Add tests for schema which references to another schema file

Issue-ID: DCAEGEN2-2466
Signed-off-by: Edyta Krukowska <edyta.krukowska@nokia.com>
Change-Id: I6e78af2e218dc23516a94f70276c92cc90ab0cbd

12 files changed, 3633 insertions, 0 deletions

diff --git a/tests/dcaegen2/testcases/03__stndDefined_tests.robot b/tests/dcaegen2/testcases/03__stndDefined_tests.robot
index ddd11fa8..08970ef2 100644
--- a/tests/dcaegen2/testcases/03__stndDefined_tests.robot
+++ b/tests/dcaegen2/testcases/03__stndDefined_tests.robot
@@ -85,3 +85,29 @@ Publish Single VES Event With Incorrect StndDefined Data
     [Documentation]   Post single event with incorrect stndDefined data
     Send Request And Validate Response  Publish Event To VES Collector  ${https_basic_auth_session}  ${VES_EVENTLISTENER_V7}  ${VES_STND_DEFINED_INVALID_TYPE_DATA}  202
 
+############################################################################################
+## Section for tests with stndDefined validation ON and schemas with refernce to other files
+############################################################################################
+Add refeerence to other schemas
+    [Tags]    DCAE-VESC-R1  DCAE-VESC-HC  DCAE-VESC-STNDDEFINED
+    [Documentation]  Add refeerence to other schemas and Run Health Check
+    Override Collector Properties  ${VES_ADD_REFERENCE_TO_OTHER_SCHEMAS}
+    Run Healthcheck  ${https_basic_auth_session}
+
+
+Publish Single VES VNF Measurement Event with Standard Defined Fields with certBasicAuth over HTTPS and valid reference to other file
+    [Tags]    DCAE-VESC-R1  DCAE-VESC-HC  DCAE-VESC-STNDDEFINED
+    [Documentation]   Post single event with valid data with Standard Defined Fields and valid username/password to /eventListener/v7 endpoint over HTTPS and valid reference to ther file and expect 202 Response Status Code
+    Send Request And Validate Response  Publish Event To VES Collector  ${https_basic_auth_session}  ${VES_EVENTLISTENER_V7}  ${VES_VALID_JSON_WITH_RFERENCE_TO_VALID_SCHEMA}  202  stndDefined-gNB-Nokia-PowerLost
+
+
+Publish Single VES VNF Measurement Event with Standard Defined Fields with certBasicAuth over HTTPS and invalid reference to other schema file
+    [Tags]    DCAE-VESC-R1  DCAE-VESC-HC  DCAE-VESC-STNDDEFINED
+    [Documentation]   Post single event with valid data with Standard Defined Fields and valid username/password to /eventListener/v7 endpoint over HTTPS and invalid reference to other schema file and expect 400 Response Status Code
+    Send Request And Validate Response  Publish Event To VES Collector  ${https_basic_auth_session}  ${VES_EVENTLISTENER_V7}  ${VES_VALID_JSON_V7_STND_DEF_FIELDS_WRONG_SCHEMA_FILE_REF}  400
+
+
+Publish Single VES VNF Measurement Event with Standard Defined Fields with certBasicAuth over HTTPS and invalid internal schema reference
+    [Tags]    DCAE-VESC-R1  DCAE-VESC-HC  DCAE-VESC-STNDDEFINED
+    [Documentation]   Post single event with valid data with Standard Defined Fields and valid username/password to /eventListener/v7 endpoint over HTTPS and invalid internal schema reference and expect 400 Response Status Code
+    Send Request And Validate Response  Publish Event To VES Collector  ${https_basic_auth_session}  ${VES_EVENTLISTENER_V7}  ${VES_VALID_JSON_V7_STND_DEF_FIELDS_WRONG_SCHEMA_INTERNAL_REF}  400
diff --git a/tests/dcaegen2/testcases/assets/json_events/ves7_valid_eventWithStndDefinedFields_to_schema_with_wrong_file_ref.json b/tests/dcaegen2/testcases/assets/json_events/ves7_valid_eventWithStndDefinedFields_to_schema_with_wrong_file_ref.json
new file mode 100644
index 00000000..0b976024
--- /dev/null
+++ b/tests/dcaegen2/testcases/assets/json_events/ves7_valid_eventWithStndDefinedFields_to_schema_with_wrong_file_ref.json
@@ -0,0 +1,54 @@
+{
+  "event": {
+    "commonEventHeader": {
+      "version": "4.1",
+      "vesEventListenerVersion": "7.2",
+      "domain": "stndDefined",
+      "eventId": "stndDefined-gNB_Nokia000001",
+      "eventName": "stndDefined-gNB-Nokia-PowerLost",
+      "stndDefinedNamespace": "3GPP-FaultSupervision",
+      "startEpochMicrosec": 1413378172000000,
+      "lastEpochMicrosec": 1413378172000000,
+      "reportingEntityName": "ibcx0001vm002oam001",
+      "sourceName": "scfx0001vm002cap001",
+      "sequence": 1,
+      "priority": "High"
+    },
+    "stndDefinedFields": {
+      "schemaReference": "https://forge.3gpp.org/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS_wrong_file_reference.yaml#components/schemas/NotifyNewAlarm",
+      "data": {
+        "href": 1,
+        "uri": "1",
+        "notificationId": 1,
+        "notificationType": "notifyNewAlarm",
+        "eventTime": "xyz",
+        "systemDN": "xyz",
+        "probableCause": 1,
+        "perceivedSeverity": "INDETERMINATE",
+        "rootCauseIndicator": false,
+        "specificProblem": "xyz",
+        "correlatedNotifications": [],
+        "backedUpStatus": true,
+        "backUpObject": "xyz",
+        "trendIndication": "MORE_SEVERE",
+        "thresholdInfo": {
+          "observedMeasurement": "new",
+          "observedValue": 123
+        },
+        "stateChangeDefinition": {
+        },
+        "monitoredAttributes": {
+          "newAtt": "new"
+        },
+        "proposedRepairActions": "xyz",
+        "additionalText": "xyz",
+        "additionalInformation": {
+          "addInfo": "new"
+        },
+        "alarmId": "1",
+        "alarmType": "COMMUNICATIONS_ALARM"
+      },
+      "stndDefinedFieldsVersion": "1.0"
+    }
+  }
+}
\ No newline at end of file
diff --git a/tests/dcaegen2/testcases/assets/json_events/ves7_valid_eventWithStndDefinedFields_to_schema_with_wrong_internal_ref.json b/tests/dcaegen2/testcases/assets/json_events/ves7_valid_eventWithStndDefinedFields_to_schema_with_wrong_internal_ref.json
new file mode 100644
index 00000000..7a4875a0
--- /dev/null
+++ b/tests/dcaegen2/testcases/assets/json_events/ves7_valid_eventWithStndDefinedFields_to_schema_with_wrong_internal_ref.json
@@ -0,0 +1,54 @@
+{
+  "event": {
+    "commonEventHeader": {
+      "version": "4.1",
+      "vesEventListenerVersion": "7.2",
+      "domain": "stndDefined",
+      "eventId": "stndDefined-gNB_Nokia000001",
+      "eventName": "stndDefined-gNB-Nokia-PowerLost",
+      "stndDefinedNamespace": "3GPP-FaultSupervision",
+      "startEpochMicrosec": 1413378172000000,
+      "lastEpochMicrosec": 1413378172000000,
+      "reportingEntityName": "ibcx0001vm002oam001",
+      "sourceName": "scfx0001vm002cap001",
+      "sequence": 1,
+      "priority": "High"
+    },
+    "stndDefinedFields": {
+      "schemaReference": "https://forge.3gpp.org/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS_wrong_internal_reference.yaml#components/schemas/NotifyNewAlarm",
+      "data": {
+        "href": 1,
+        "uri": "1",
+        "notificationId": 1,
+        "notificationType": "notifyNewAlarm",
+        "eventTime": "xyz",
+        "systemDN": "xyz",
+        "probableCause": 1,
+        "perceivedSeverity": "INDETERMINATE",
+        "rootCauseIndicator": false,
+        "specificProblem": "xyz",
+        "correlatedNotifications": [],
+        "backedUpStatus": true,
+        "backUpObject": "xyz",
+        "trendIndication": "MORE_SEVERE",
+        "thresholdInfo": {
+          "observedMeasurement": "new",
+          "observedValue": 123
+        },
+        "stateChangeDefinition": {
+        },
+        "monitoredAttributes": {
+          "newAtt": "new"
+        },
+        "proposedRepairActions": "xyz",
+        "additionalText": "xyz",
+        "additionalInformation": {
+          "addInfo": "new"
+        },
+        "alarmId": "1",
+        "alarmType": "COMMUNICATIONS_ALARM"
+      },
+      "stndDefinedFieldsVersion": "1.0"
+    }
+  }
+}
\ No newline at end of file
diff --git a/tests/dcaegen2/testcases/assets/json_events/ves7_valid_eventWithStndDefinedFields_with_valid_schema_ref.json b/tests/dcaegen2/testcases/assets/json_events/ves7_valid_eventWithStndDefinedFields_with_valid_schema_ref.json
new file mode 100644
index 00000000..f31b9c7e
--- /dev/null
+++ b/tests/dcaegen2/testcases/assets/json_events/ves7_valid_eventWithStndDefinedFields_with_valid_schema_ref.json
@@ -0,0 +1,54 @@
+{
+  "event": {
+    "commonEventHeader": {
+      "version": "4.1",
+      "vesEventListenerVersion": "7.2",
+      "domain": "stndDefined",
+      "eventId": "stndDefined-gNB_Nokia000001",
+      "eventName": "stndDefined-gNB-Nokia-PowerLost",
+      "stndDefinedNamespace": "3GPP-FaultSupervision",
+      "startEpochMicrosec": 1413378172000000,
+      "lastEpochMicrosec": 1413378172000000,
+      "reportingEntityName": "ibcx0001vm002oam001",
+      "sourceName": "scfx0001vm002cap001",
+      "sequence": 1,
+      "priority": "High"
+    },
+    "stndDefinedFields": {
+      "schemaReference": "https://forge.3gpp.org/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS.yaml#components/schemas/NotifyNewAlarm",
+      "data": {
+        "href": 1,
+        "uri": "1",
+        "notificationId": 1,
+        "notificationType": "notifyNewAlarm",
+        "eventTime": "xyz",
+        "systemDN": "xyz",
+        "probableCause": 1,
+        "perceivedSeverity": "INDETERMINATE",
+        "rootCauseIndicator": false,
+        "specificProblem": "xyz",
+        "correlatedNotifications": [],
+        "backedUpStatus": true,
+        "backUpObject": "xyz",
+        "trendIndication": "MORE_SEVERE",
+        "thresholdInfo": {
+          "observedMeasurement": "new",
+          "observedValue": 123
+        },
+        "stateChangeDefinition": {
+        },
+        "monitoredAttributes": {
+          "newAtt": "new"
+        },
+        "proposedRepairActions": "xyz",
+        "additionalText": "xyz",
+        "additionalInformation": {
+          "addInfo": "new"
+        },
+        "alarmId": "1",
+        "alarmType": "COMMUNICATIONS_ALARM"
+      },
+      "stndDefinedFieldsVersion": "1.0"
+    }
+  }
+}
\ No newline at end of file
diff --git a/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/comDefs.yaml b/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/comDefs.yaml
new file mode 100644
index 00000000..5289940b
--- /dev/null
+++ b/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/comDefs.yaml
@@ -0,0 +1,129 @@
+openapi: 3.0.1
+info:
+  title: Common Type Definitions
+  version: 16.5.0
+  description: >-
+    OAS 3.0.1 specification of common type definitions in the Generic NRM
+    © 2020, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).
+    All rights reserved.
+externalDocs:
+  description: 3GPP TS 28.623 V16.5.0; Generic NRM, Common Type Definitions
+  url: http://www.3gpp.org/ftp/Specs/archive/28_series/28.623/
+paths: {}
+components:
+  schemas:
+    Long:
+      type: number
+      format: long
+    Float:
+      type: number
+      format: float
+    DateTime:
+      type: string
+      format: date-Time
+    Dn:
+      type: string
+    DnList:
+      type: array
+      items:
+        $ref: '#/components/schemas/Dn'
+    Mcc:
+      type: string
+      pattern: '^[0-9]{3}$'
+    Mnc:
+      type: string
+      pattern: '^[0-9]{2,3}$'
+    Fqdn:
+      type: string
+    Uri:
+      type: string
+    Ipv4Addr:
+      type: string
+      pattern: '^(([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])$'
+      example: '198.51.100.1'
+    Ipv6Addr:
+      type: string
+      allOf:
+        - pattern: '^((:|(0?|([1-9a-f][0-9a-f]{0,3}))):)((0?|([1-9a-f][0-9a-f]{0,3})):){0,6}(:|(0?|([1-9a-f][0-9a-f]{0,3})))$'
+        - pattern: '^((([^:]+:){7}([^:]+))|((([^:]+:)*[^:]+)?::(([^:]+:)*[^:]+)?))$'
+      example: '2001:db8:85a3::8a2e:370:7334'
+    Ipv6Prefix:
+      type: string
+      allOf:
+        - pattern: '^((:|(0?|([1-9a-f][0-9a-f]{0,3}))):)((0?|([1-9a-f][0-9a-f]{0,3})):){0,6}(:|(0?|([1-9a-f][0-9a-f]{0,3})))(\/(([0-9])|([0-9]{2})|(1[0-1][0-9])|(12[0-8])))$'
+        - pattern: '^((([^:]+:){7}([^:]+))|((([^:]+:)*[^:]+)?::(([^:]+:)*[^:]+)?))(\/.+)$'
+      example: '2001:db8:abcd:12::0/64'
+    AdministrativeState:
+      type: string
+      enum:
+        - LOCKED
+        - UNLOCKED
+    OperationalState:
+      type: string
+      enum:
+        - ENABLED
+        - DISABLED
+    UsageState:
+      type: string
+      enum:
+        - IDEL
+        - ACTIVE
+        - BUSY
+    AttributeNameValuePairSet:
+      type: object
+      minProperties: 1
+    AttributeValueChangeSet:
+      description: >-
+        The key in this map is the attribute name. The value of each key is an array.
+        When only one item is present in the array, it carries the new attribute
+        value. If two items are present, then the first item carries the old value
+        and the second item the new value. The items can be of any type including null.
+      type: object
+      additionalProperties:
+        type: array
+        minItems: 1
+        maxItems: 2
+        items:
+          nullable: true
+    Filter:
+      type: string
+    SystemDN:
+      type: string
+    NotificationId:
+      type: integer
+    NotificationType:
+      oneOf:
+        - $ref: 'faultMnS1.yaml#/components/schemas/AlarmNotificationType'
+        # more to be added
+    NotificationHeader:
+      description: >-
+        Header used for all notifications types
+      type: object
+      required:
+        - uri
+        - notificationId
+        - notificationType
+        - eventTime
+        - systemDN
+      properties:
+        uri:
+          $ref: '#/components/schemas/Uri'
+        notificationId:
+          $ref: '#/components/schemas/NotificationId'
+        notificationType:
+          $ref: '#/components/schemas/NotificationType'
+        eventTime:
+          $ref: '#/components/schemas/DateTime'
+        systemDN:
+          $ref: '#/components/schemas/SystemDN'
+    ErrorResponse:
+      description: >-
+        Default schema for the response message body in case the request
+        is not successful.
+      type: object
+      properties:
+        error:
+          type: object
+          properties:
+            errorInfo:
+              type: string
diff --git a/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS1.yaml b/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS1.yaml
new file mode 100644
index 00000000..8b324921
--- /dev/null
+++ b/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS1.yaml
@@ -0,0 +1,1063 @@
+openapi: 3.0.1
+info:
+  title: Fault Supervision MnS
+  version: 16.5.0
+  description: >-
+    OAS 3.0.1 definition of the Fault Supervision MnS
+    © 2020, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).
+    All rights reserved.
+externalDocs:
+  description: 3GPP TS 28.532 V16.5.0; Generic management services
+  url: http://www.3gpp.org/ftp/Specs/archive/28_series/28.532/
+servers:
+  - url: '{MnSRoot}/FaultSupervisionMnS/{version}'
+    variables:
+      MnSRoot:
+        description: See subclause 4.4.3 of TS 32.158
+        default: http://example.com/3GPPManagement
+      version:
+        description: Version number of the OpenAPI definition
+        default: XXX
+paths:
+  /alarms:
+    get:
+      summary: Retrieve multiple alarms
+      description: >-
+        Retrieves the alarms identified by alarmAckState, baseObjectInstance
+        and filter.
+      parameters:
+        - name: alarmAckState
+          in: query
+          required: false
+          schema:
+            $ref: '#/components/schemas/AlarmAckState'
+        - name: baseObjectInstance
+          in: query
+          required: false
+          schema:
+            $ref: 'comDefs.yaml#/components/schemas/Dn'
+        - name: filter
+          in: query
+          required: false
+          schema:
+            $ref: 'comDefs.yaml#/components/schemas/Filter'
+      responses:
+        '200':
+          description: >-
+            Success case ("200 OK").
+            Returns the alarms identified in the request. The alarmId is the key
+            of the map.
+          content:
+            application/json:
+              schema:
+                type: object
+                additionalProperties:
+                  type: object
+                  allOf:
+                    - type: object
+                      properties:
+                        lastNotificationHeader:
+                          $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+                    - $ref: '#/components/schemas/AlarmRecord'
+                    - type: object
+                      properties:
+                        comments:
+                          $ref: '#/components/schemas/Comments'
+        default:
+          description: Response in case of error.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+    patch:
+      summary: 'Clear, acknowledge or unacknowledge multiple alarms'
+      description: >-
+        Clears, acknowledges or unacknowledges multiple alarms using patch. Depending
+        on which action is to be performed, different merge patch documents need
+        to be used.
+      requestBody:
+        description: >-
+          Patch documents for acknowledging and unacknowledging, or clearing multiple
+          alarms. The keys in the map are the alarmIds to be patched.
+        content:
+          application/merge-patch+json:
+            schema:
+              oneOf:
+                - type: object
+                  additionalProperties:
+                    $ref: '#/components/schemas/MergePatchAcknowledgeAlarm'
+                - type: object
+                  additionalProperties:
+                    $ref: '#/components/schemas/MergePatchClearAlarm'
+      responses:
+        '204':
+          description: >-
+            Success case ("204 No content").
+            The response message body is empty.
+        default:
+          description: Response in case of error.
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/FailedAlarm'
+  /alarms/alarmCount:
+    get:
+      summary: Get the alarm count per perceived severity
+      parameters:
+        - name: alarmAckState
+          in: query
+          required: false
+          schema:
+            $ref: '#/components/schemas/AlarmAckState'
+        - name: filter
+          in: query
+          required: false
+          schema:
+            type: string
+      responses:
+        '200':
+          description: >-
+            Success case ("200 OK").
+            The alarm count per perceived severity is returned.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/AlarmCount'
+        default:
+          description: Response in case of error. The error case needs rework.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+  /alarms/{alarmId}:
+    patch:
+      summary: 'Clear, acknowledge or unacknowledge a single alarm'
+      description: >-
+        Clears, acknowledges or uncknowldeges a single alarm by patching the alarm
+        information. A conditional acknowledge request based on the perceived
+        severity is not supported.
+      parameters:
+        - name: alarmId
+          in: path
+          description: Identifies the alarm to be patched.
+          required: true
+          schema:
+            type: string
+      requestBody:
+        required: true
+        content:
+          application/merge-patch+json:
+            schema:
+              oneOf:
+                - $ref: '#/components/schemas/MergePatchAcknowledgeAlarm'
+                - $ref: '#/components/schemas/MergePatchClearAlarm'
+      responses:
+        '204':
+          description: >-
+            Success case (204 No content).
+            The response message body is absent.
+        default:
+          description: Response in case of error.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+  /alarms/{alarmId}/comments:
+    post:
+      summary: Add a comment to a single alarm
+      description: >-
+        Adds a comment to an alarm identified by alarmId. The id of the new comment
+        is allocated by the producer.
+      parameters:
+        - name: alarmId
+          in: path
+          description: Identifies the alarm to which the comment shall be added.
+          required: true
+          schema:
+            type: string
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/Comment'
+      responses:
+        '201':
+          description: >-
+            Success case (201 Created).
+            The representation of the newly created comment resource shall be returned.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Comment'
+          headers:
+            Location:
+              description: URI of the newly created comment resource.
+              required: true
+              schema:
+                type: string
+        default:
+          description: Error case.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+
+  /subscriptions:
+    post:
+      summary: Create a subscription
+      description: >-
+        To create a subscription the representation of the subscription is
+        POSTed on the /subscriptions collection resource.
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/Subscription'
+      responses:
+        '201':
+          description: >-
+            Success case ("201 Created").
+            The representation of the newly created subscription resource shall
+            be returned.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Subscription'
+          headers:
+            Location:
+              description: URI of the newly created subscription resource
+              required: true
+              schema:
+                type: string
+        default:
+          description: Error case.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+      callbacks:
+        notifyNewAlarm:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      oneOf:
+                        - $ref: '#/components/schemas/NotifyNewAlarm'
+                        - $ref: '#/components/schemas/NotifyNewSecAlarm'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyClearedAlarm:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyClearedAlarm'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyChangedAlarm:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyChangedAlarm'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyChangedAlarmGeneral:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      oneOf:
+                        - $ref: '#/components/schemas/NotifyChangedAlarmGeneral'
+                        - $ref: '#/components/schemas/NotifyChangedSecAlarmGeneral'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyCorrelatedNotificationChanged:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyCorrelatedNotificationChanged'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyAckStateChanged:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyAckStateChanged'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyComments:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyComments'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyPotentialFaultyAlarmList:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyPotentialFaultyAlarmList'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyAlarmListRebuilt:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyAlarmListRebuilt'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+  /subscriptions/{subscriptionId}:
+    delete:
+      summary: Delete a subscription
+      description: >-
+        The subscription is deleted by deleting the corresponding subscription
+        resource. The resource to be deleted is identified with the path
+        component of the URI.
+      parameters:
+        - name: subscriptionId
+          in: path
+          description: Identifies the subscription to be deleted.
+          required: true
+          schema:
+            type: string
+      responses:
+        '204':
+          description: >-
+            Success case ("204 No Content").
+            The subscription resource has been deleted. The response message body
+            is absent.
+        default:
+          description: Error case.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+
+components:
+  schemas:
+
+    #---- Definition of AlarmRecord ----------------------------------------------------#
+
+    AlarmId:
+      type: string
+    AlarmType:
+      type: string
+      enum:
+        - COMMUNICATIONS_ALARM
+        - QUALITY_OF_SERVICE_ALARM
+        - PROCESSING_ERROR_ALARM
+        - EQUIPMENT_ALARM
+        - ENVIRONMENTAL_ALARM
+        - INTEGRITY_VIOLATION
+        - OPERATIONAL_VIOLATION
+        - PHYSICAL_VIOLATION
+        - SECURITY_SERVICE_OR_MECHANISM_VIOLATION
+        - TIME_DOMAIN_VIOLATION
+    ProbableCause:
+      description: >-
+        The value of the probable cause may be a specific standardized string, or any
+        vendor provided string. Probable cause strings are not standardized in the
+        present document. They may be added in a future version. Up to then the
+        mapping of the generic probable cause strings "PROBABLE_CAUSE_001" to
+        "PROBABLE_CAUSE_005" is vendor specific.
+        The value of the probable cause may also be an integer. The mapping of integer
+        values to probable causes is vendor specific.
+      oneOf:
+        - anyOf:
+            - type: string
+              enum:
+                - PROBABLE_CAUSE_001
+                - PROBABLE_CAUSE_002
+                - PROBABLE_CAUSE_003
+                - PROBABLE_CAUSE_004
+                - PROBABLE_CAUSE_005
+            - type: string
+        - type: integer
+    SpecificProblem:
+      oneOf:
+        - type: string
+        - type: integer
+    PerceivedSeverity:
+      type: string
+      enum:
+        - INDETERMINATE
+        - CRITICAL
+        - MAJOR
+        - MINOR
+        - WARNING
+        - CLEARED
+    TrendIndication:
+      type: string
+      enum:
+        - MORE_SEVERE
+        - NO_CHANGE
+        - LESS_SEVERE
+    ThresholdHysteresis:
+      type: object
+      required:
+        - high
+      properties:
+        high:
+          oneOf:
+            - type: integer
+            - $ref: 'comDefs.yaml#/components/schemas/Float'
+        low:
+          $ref: 'comDefs.yaml#/components/schemas/Float'
+    ThresholdLevelInd:
+      type: object
+      required:
+        - up
+      properties:
+        up:
+          $ref: '#/components/schemas/ThresholdHysteresis'
+        low:
+          $ref: '#/components/schemas/ThresholdHysteresis'
+    ThresholdInfo:
+      type: object
+      required:
+        - observedMeasurement
+        - observedValue
+      properties:
+        observedMeasurement:
+          type: string
+        observedValue:
+          type: integer
+          oneOf:
+            - $ref: 'comDefs.yaml#/components/schemas/Float'
+        thresholdLevelInd:
+          $ref: '#/components/schemas/ThresholdLevelInd'
+        armTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+    CorrelatedNotification:
+      type: object
+      required:
+        - source
+        - notificationId
+      properties:
+        sourceObjectInstance:
+          $ref: 'comDefs.yaml#/components/schemas/Dn'
+        notificationIds:
+          type: array
+          items:
+            $ref: 'comDefs.yaml#/components/schemas/NotificationId'
+    CorrelatedNotifications:
+      type: array
+      items:
+        $ref: '#/components/schemas/CorrelatedNotification'
+    AckState:
+      type: string
+      enum:
+        - ACKNOWLEDGED
+        - UNACKNOWLEDGED
+
+    AlarmRecord:
+      description: >-
+        The alarmId is not a property of an alarm record. It is used as key
+        in the map of alarm records instead.
+      type: object
+      properties:
+        # alarmId:
+        #  $ref: '#/components/schemas/AlarmId'
+        objectInstance:
+          $ref: 'comDefs.yaml#/components/schemas/Dn'
+        notificationId:
+          $ref: 'comDefs.yaml#/components/schemas/NotificationId'
+        alarmRaisedTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        alarmChangedTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        alarmClearedTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        alarmType:
+          $ref: '#/components/schemas/AlarmType'
+        probableCause:
+          $ref: '#/components/schemas/ProbableCause'
+        specificProblem:
+          $ref: '#/components/schemas/SpecificProblem'
+        perceivedSeverity:
+          $ref: '#/components/schemas/PerceivedSeverity'
+        backedUpStatus:
+          type: boolean
+        backUpObject:
+          $ref: 'comDefs.yaml#/components/schemas/Dn'
+        trendIndication:
+          $ref: '#/components/schemas/TrendIndication'
+        thresholdinfo:
+          $ref: '#/components/schemas/ThresholdInfo'
+        correlatedNotifications:
+          $ref: '#/components/schemas/CorrelatedNotifications'
+        stateChangeDefinition:
+          $ref: 'comDefs.yaml#/components/schemas/AttributeValueChangeSet'
+        monitoredAttributes:
+          $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+        proposedRepairActions:
+          type: string
+        additionalText:
+          type: string
+        additionalInformation:
+          $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+
+        rootCauseIndicator:
+          type: boolean
+
+        ackTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        ackUserId:
+          type: string
+        ackSystemId:
+          type: string
+        ackState:
+          $ref: '#/components/schemas/AckState'
+
+        clearUserId:
+          type: string
+        clearSystemId:
+          type: string
+        serviceUser:
+          type: string
+        serviceProvider:
+          type: string
+        securityAlarmDetector:
+          type: string
+
+    #---- Definition of alarm notifications --------------------------------------------#
+
+    AlarmNotificationType:
+      type: string
+      enum:
+        - notifyNewAlarm
+        - notifyChangedAlarm
+        - notifyChangedAlarmGeneral
+        - notifyAckStateChanged
+        - notifyCorrelatedNotificationChanged
+        - notifyComments
+        - notifyClearedAlarm
+        - notifyAlarmListRebuiltAlarm
+        - notifyPotentialFaultyAlarmList
+    AlarmListAlignmentRequirement:
+      type: string
+      enum:
+        - ALIGNMENT_REQUIRED
+        - ALIGNMENT_NOT_REQUIRED
+
+    NotifyNewAlarm:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            specificProblem:
+              $ref: '#/components/schemas/SpecificProblem'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            backedUpStatus:
+              type: boolean
+            backUpObject:
+              $ref: 'comDefs.yaml#/components/schemas/Dn'
+            trendIndication:
+              $ref: '#/components/schemas/TrendIndication'
+            thresholdInfo:
+              $ref: '#/components/schemas/ThresholdInfo'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            stateChangeDefinition:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeValueChangeSet'
+            monitoredAttributes:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            proposedRepairActions:
+              type: string
+            additionalText:
+              type: string
+            additionalInformation:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            rootCauseIndicator:
+              type: boolean
+    NotifyNewSecAlarm:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - serviceUser
+            - serviceProvider
+            - securityAlarmDetector
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            additionalText:
+              type: string
+            additionalInformation:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            rootCauseIndicator:
+              type: boolean
+            serviceUser:
+              type: string
+            serviceProvider:
+              type: string
+            securityAlarmDetector:
+              type: string
+    NotifyClearedAlarm:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            clearUserId:
+              type: string
+            clearSystemId:
+              type: string
+    NotifyChangedAlarm:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+    NotifyChangedAlarmGeneral:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - changedAlarmAttributes
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            specificProblem:
+              $ref: '#/components/schemas/SpecificProblem'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            backedUpStatus:
+              type: boolean
+            backUpObject:
+              $ref: 'comDefs.yaml#/components/schemas/Dn'
+            trendIndication:
+              $ref: '#/components/schemas/TrendIndication'
+            thresholdInfo:
+              $ref: '#/components/schemas/ThresholdInfo'
+            stateChangeDefinition:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeValueChangeSet'
+            monitoredAttributes:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            proposedRepairActions:
+              type: string
+            additionalText:
+              type: string
+            additionalInformation:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            rootCauseIndicator:
+              type: boolean
+            changedAlarmAttributes:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+    NotifyChangedSecAlarmGeneral:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - serviceUser
+            - serviceProvider
+            - securityAlarmDetector
+            - changedAlarmAttributes
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            additionalText:
+              type: string
+            additionalInformation:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            rootCauseIndicator:
+              type: boolean
+            serviceUser:
+              type: string
+            serviceProvider:
+              type: string
+            securityAlarmDetector:
+              type: string
+            changedAlarmAttributes:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+    NotifyCorrelatedNotificationChanged:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - correlatedNotifications
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            rootCauseIndicator:
+              type: boolean
+    NotifyAckStateChanged:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - ackState
+            - ackUserId
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            ackState:
+              $ref: '#/components/schemas/AckState'
+            ackUserId:
+              type: string
+            ackSystemId:
+              type: string
+    NotifyComments:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - comments
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            comments:
+              $ref: '#/components/schemas/Comments'
+    NotifyPotentialFaultyAlarmList:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - reason
+          properties:
+            reason:
+              type: string
+    NotifyAlarmListRebuilt:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - reason
+          properties:
+            reason:
+              type: string
+            alarmListAlignmentRequirement:
+              $ref: '#/components/schemas/AlarmListAlignmentRequirement'
+
+    #---- Definition of query parameters -----------------------------------------------#
+
+    AlarmAckState:
+      type: string
+      enum:
+        - ALL_ALARMS
+        - ALL_ACTIVE_ALARMS
+        - ALL_ACTIVE_AND_ACKNOWLEDGED_ALARMS
+        - ALL_ACTIVE_AND_UNACKNOWLEDGED_ALARMS
+        - ALL_CLEARED_AND_UNACKNOWLEDGED_ALARMS
+        - ALL_UNACKNOWLEDGED_ALARMS
+
+    #---- Definition of patch documents ------------------------------------------------#
+
+    MergePatchAcknowledgeAlarm:
+      description: >-
+        Patch document acknowledging or unacknowledging a single alarm. For
+        acknowleding an alarm the value of ackState is ACKNOWLEDGED, for unacknowleding
+        an alarm the value of ackState is UNACKNOWLEDGED.
+      type: object
+      required:
+        - ackUserId
+        - ackState
+      properties:
+        ackUserId:
+          type: string
+        ackSystemId:
+          type: string
+        ackState:
+          $ref: '#/components/schemas/AckState'
+    MergePatchClearAlarm:
+      description: Patch document for clearing a single alarm
+      type: object
+      required:
+        - clearUserId
+        - perceivedSeverity
+      properties:
+        clearUserId:
+          type: string
+        clearSystemId:
+          type: string
+        perceivedSeverity:
+          type: string
+          enum:
+            - CLEARED
+
+    #---- Definition of method responses -----------------------------------------------#
+
+    FailedAlarm:
+      type: object
+      required:
+        - alarmId
+        - failureReason
+      properties:
+        alarmId:
+          $ref: '#/components/schemas/AlarmId'
+        failureReason:
+          type: string
+
+    #---- Definition of resources ------------------------------------------------------#
+
+    AlarmCount:
+      type: object
+      required:
+        - criticalCount
+        - majorCount
+        - minorCount
+        - warningCount
+        - indeterminateCount
+        - clearedCount
+      properties:
+        criticalCount:
+          type: integer
+        majorCount:
+          type: integer
+        minorCount:
+          type: integer
+        warningCount:
+          type: integer
+        indeterminateCount:
+          type: integer
+        clearedCount:
+          type: integer
+    Comment:
+      type: object
+      properties:
+        commentTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        commentUserId:
+          type: string
+        commentSystemId:
+          type: string
+        commentText:
+          type: string
+    Comments:
+      description: >-
+        Collection of comments. The comment identifiers are allocated by the
+        MnS producer and used as key in the map.
+      type: object
+      additionalProperties:
+        $ref: '#/components/schemas/Comment'
+    Subscription:
+      type: object
+      properties:
+        consumerReference:
+          $ref: 'comDefs.yaml#/components/schemas/Uri'
+        timeTick:
+          $ref: 'comDefs.yaml#/components/schemas/Long'
+        filter:
+          $ref: 'comDefs.yaml#/components/schemas/Filter'
\ No newline at end of file
diff --git a/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS_wrong_file_reference.yaml b/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS_wrong_file_reference.yaml
new file mode 100644
index 00000000..f17b0995
--- /dev/null
+++ b/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS_wrong_file_reference.yaml
@@ -0,0 +1,1063 @@
+openapi: 3.0.1
+info:
+  title: Fault Supervision MnS
+  version: 16.5.0
+  description: >-
+    OAS 3.0.1 definition of the Fault Supervision MnS
+    © 2020, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).
+    All rights reserved.
+externalDocs:
+  description: 3GPP TS 28.532 V16.5.0; Generic management services
+  url: http://www.3gpp.org/ftp/Specs/archive/28_series/28.532/
+servers:
+  - url: '{MnSRoot}/FaultSupervisionMnS/{version}'
+    variables:
+      MnSRoot:
+        description: See subclause 4.4.3 of TS 32.158
+        default: http://example.com/3GPPManagement
+      version:
+        description: Version number of the OpenAPI definition
+        default: XXX
+paths:
+  /alarms:
+    get:
+      summary: Retrieve multiple alarms
+      description: >-
+        Retrieves the alarms identified by alarmAckState, baseObjectInstance
+        and filter.
+      parameters:
+        - name: alarmAckState
+          in: query
+          required: false
+          schema:
+            $ref: '#/components/schemas/AlarmAckState'
+        - name: baseObjectInstance
+          in: query
+          required: false
+          schema:
+            $ref: 'comDefs.yaml#/components/schemas/Dn'
+        - name: filter
+          in: query
+          required: false
+          schema:
+            $ref: 'comDefs.yaml#/components/schemas/Filter'
+      responses:
+        '200':
+          description: >-
+            Success case ("200 OK").
+            Returns the alarms identified in the request. The alarmId is the key
+            of the map.
+          content:
+            application/json:
+              schema:
+                type: object
+                additionalProperties:
+                  type: object
+                  allOf:
+                    - type: object
+                      properties:
+                        lastNotificationHeader:
+                          $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+                    - $ref: '#/components/schemas/AlarmRecord'
+                    - type: object
+                      properties:
+                        comments:
+                          $ref: '#/components/schemas/Comments'
+        default:
+          description: Response in case of error.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+    patch:
+      summary: 'Clear, acknowledge or unacknowledge multiple alarms'
+      description: >-
+        Clears, acknowledges or unacknowledges multiple alarms using patch. Depending
+        on which action is to be performed, different merge patch documents need
+        to be used.
+      requestBody:
+        description: >-
+          Patch documents for acknowledging and unacknowledging, or clearing multiple
+          alarms. The keys in the map are the alarmIds to be patched.
+        content:
+          application/merge-patch+json:
+            schema:
+              oneOf:
+                - type: object
+                  additionalProperties:
+                    $ref: '#/components/schemas/MergePatchAcknowledgeAlarm'
+                - type: object
+                  additionalProperties:
+                    $ref: '#/components/schemas/MergePatchClearAlarm'
+      responses:
+        '204':
+          description: >-
+            Success case ("204 No content").
+            The response message body is empty.
+        default:
+          description: Response in case of error.
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/FailedAlarm'
+  /alarms/alarmCount:
+    get:
+      summary: Get the alarm count per perceived severity
+      parameters:
+        - name: alarmAckState
+          in: query
+          required: false
+          schema:
+            $ref: '#/components/schemas/AlarmAckState'
+        - name: filter
+          in: query
+          required: false
+          schema:
+            type: string
+      responses:
+        '200':
+          description: >-
+            Success case ("200 OK").
+            The alarm count per perceived severity is returned.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/AlarmCount'
+        default:
+          description: Response in case of error. The error case needs rework.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+  /alarms/{alarmId}:
+    patch:
+      summary: 'Clear, acknowledge or unacknowledge a single alarm'
+      description: >-
+        Clears, acknowledges or uncknowldeges a single alarm by patching the alarm
+        information. A conditional acknowledge request based on the perceived
+        severity is not supported.
+      parameters:
+        - name: alarmId
+          in: path
+          description: Identifies the alarm to be patched.
+          required: true
+          schema:
+            type: string
+      requestBody:
+        required: true
+        content:
+          application/merge-patch+json:
+            schema:
+              oneOf:
+                - $ref: '#/components/schemas/MergePatchAcknowledgeAlarm'
+                - $ref: '#/components/schemas/MergePatchClearAlarm'
+      responses:
+        '204':
+          description: >-
+            Success case (204 No content).
+            The response message body is absent.
+        default:
+          description: Response in case of error.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+  /alarms/{alarmId}/comments:
+    post:
+      summary: Add a comment to a single alarm
+      description: >-
+        Adds a comment to an alarm identified by alarmId. The id of the new comment
+        is allocated by the producer.
+      parameters:
+        - name: alarmId
+          in: path
+          description: Identifies the alarm to which the comment shall be added.
+          required: true
+          schema:
+            type: string
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/Comment'
+      responses:
+        '201':
+          description: >-
+            Success case (201 Created).
+            The representation of the newly created comment resource shall be returned.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Comment'
+          headers:
+            Location:
+              description: URI of the newly created comment resource.
+              required: true
+              schema:
+                type: string
+        default:
+          description: Error case.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+
+  /subscriptions:
+    post:
+      summary: Create a subscription
+      description: >-
+        To create a subscription the representation of the subscription is
+        POSTed on the /subscriptions collection resource.
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/Subscription'
+      responses:
+        '201':
+          description: >-
+            Success case ("201 Created").
+            The representation of the newly created subscription resource shall
+            be returned.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Subscription'
+          headers:
+            Location:
+              description: URI of the newly created subscription resource
+              required: true
+              schema:
+                type: string
+        default:
+          description: Error case.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+      callbacks:
+        notifyNewAlarm:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      oneOf:
+                        - $ref: '#/components/schemas/NotifyNewAlarm'
+                        - $ref: '#/components/schemas/NotifyNewSecAlarm'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyClearedAlarm:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyClearedAlarm'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyChangedAlarm:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyChangedAlarm'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyChangedAlarmGeneral:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      oneOf:
+                        - $ref: '#/components/schemas/NotifyChangedAlarmGeneral'
+                        - $ref: '#/components/schemas/NotifyChangedSecAlarmGeneral'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyCorrelatedNotificationChanged:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyCorrelatedNotificationChanged'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyAckStateChanged:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyAckStateChanged'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyComments:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyComments'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyPotentialFaultyAlarmList:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyPotentialFaultyAlarmList'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyAlarmListRebuilt:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyAlarmListRebuilt'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+  /subscriptions/{subscriptionId}:
+    delete:
+      summary: Delete a subscription
+      description: >-
+        The subscription is deleted by deleting the corresponding subscription
+        resource. The resource to be deleted is identified with the path
+        component of the URI.
+      parameters:
+        - name: subscriptionId
+          in: path
+          description: Identifies the subscription to be deleted.
+          required: true
+          schema:
+            type: string
+      responses:
+        '204':
+          description: >-
+            Success case ("204 No Content").
+            The subscription resource has been deleted. The response message body
+            is absent.
+        default:
+          description: Error case.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+
+components:
+  schemas:
+
+    #---- Definition of AlarmRecord ----------------------------------------------------#
+
+    AlarmId:
+      type: string
+    AlarmType:
+      type: string
+      enum:
+        - COMMUNICATIONS_ALARM
+        - QUALITY_OF_SERVICE_ALARM
+        - PROCESSING_ERROR_ALARM
+        - EQUIPMENT_ALARM
+        - ENVIRONMENTAL_ALARM
+        - INTEGRITY_VIOLATION
+        - OPERATIONAL_VIOLATION
+        - PHYSICAL_VIOLATION
+        - SECURITY_SERVICE_OR_MECHANISM_VIOLATION
+        - TIME_DOMAIN_VIOLATION
+    ProbableCause:
+      description: >-
+        The value of the probable cause may be a specific standardized string, or any
+        vendor provided string. Probable cause strings are not standardized in the
+        present document. They may be added in a future version. Up to then the
+        mapping of the generic probable cause strings "PROBABLE_CAUSE_001" to
+        "PROBABLE_CAUSE_005" is vendor specific.
+        The value of the probable cause may also be an integer. The mapping of integer
+        values to probable causes is vendor specific.
+      oneOf:
+        - anyOf:
+            - type: string
+              enum:
+                - PROBABLE_CAUSE_001
+                - PROBABLE_CAUSE_002
+                - PROBABLE_CAUSE_003
+                - PROBABLE_CAUSE_004
+                - PROBABLE_CAUSE_005
+            - type: string
+        - type: integer
+    SpecificProblem:
+      oneOf:
+        - type: string
+        - type: integer
+    PerceivedSeverity:
+      type: string
+      enum:
+        - INDETERMINATE
+        - CRITICAL
+        - MAJOR
+        - MINOR
+        - WARNING
+        - CLEARED
+    TrendIndication:
+      type: string
+      enum:
+        - MORE_SEVERE
+        - NO_CHANGE
+        - LESS_SEVERE
+    ThresholdHysteresis:
+      type: object
+      required:
+        - high
+      properties:
+        high:
+          oneOf:
+            - type: integer
+            - $ref: 'comDefs.yaml#/components/schemas/Float'
+        low:
+          $ref: 'comDefs.yaml#/components/schemas/Float'
+    ThresholdLevelInd:
+      type: object
+      required:
+        - up
+      properties:
+        up:
+          $ref: '#/components/schemas/ThresholdHysteresis'
+        low:
+          $ref: '#/components/schemas/ThresholdHysteresis'
+    ThresholdInfo:
+      type: object
+      required:
+        - observedMeasurement
+        - observedValue
+      properties:
+        observedMeasurement:
+          type: string
+        observedValue:
+          type: integer
+          oneOf:
+            - $ref: 'comDefs.yaml#/components/schemas/Float'
+        thresholdLevelInd:
+          $ref: '#/components/schemas/ThresholdLevelInd'
+        armTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+    CorrelatedNotification:
+      type: object
+      required:
+        - source
+        - notificationId
+      properties:
+        sourceObjectInstance:
+          $ref: 'comDefs.yaml#/components/schemas/Dn'
+        notificationIds:
+          type: array
+          items:
+            $ref: 'comDefs.yaml#/components/schemas/NotificationId'
+    CorrelatedNotifications:
+      type: array
+      items:
+        $ref: '#/components/schemas/CorrelatedNotification'
+    AckState:
+      type: string
+      enum:
+        - ACKNOWLEDGED
+        - UNACKNOWLEDGED
+
+    AlarmRecord:
+      description: >-
+        The alarmId is not a property of an alarm record. It is used as key
+        in the map of alarm records instead.
+      type: object
+      properties:
+        # alarmId:
+        #  $ref: '#/components/schemas/AlarmId'
+        objectInstance:
+          $ref: 'comDefs.yaml#/components/schemas/Dn'
+        notificationId:
+          $ref: 'comDefs.yaml#/components/schemas/NotificationId'
+        alarmRaisedTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        alarmChangedTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        alarmClearedTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        alarmType:
+          $ref: '#/components/schemas/AlarmType'
+        probableCause:
+          $ref: '#/components/schemas/ProbableCause'
+        specificProblem:
+          $ref: '#/components/schemas/SpecificProblem'
+        perceivedSeverity:
+          $ref: '#/components/schemas/PerceivedSeverity'
+        backedUpStatus:
+          type: boolean
+        backUpObject:
+          $ref: 'comDefs.yaml#/components/schemas/Dn'
+        trendIndication:
+          $ref: '#/components/schemas/TrendIndication'
+        thresholdinfo:
+          $ref: '#/components/schemas/ThresholdInfo'
+        correlatedNotifications:
+          $ref: '#/components/schemas/CorrelatedNotifications'
+        stateChangeDefinition:
+          $ref: 'comDefs.yaml#/components/schemas/AttributeValueChangeSet'
+        monitoredAttributes:
+          $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+        proposedRepairActions:
+          type: string
+        additionalText:
+          type: string
+        additionalInformation:
+          $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+
+        rootCauseIndicator:
+          type: boolean
+
+        ackTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        ackUserId:
+          type: string
+        ackSystemId:
+          type: string
+        ackState:
+          $ref: '#/components/schemas/AckState'
+
+        clearUserId:
+          type: string
+        clearSystemId:
+          type: string
+        serviceUser:
+          type: string
+        serviceProvider:
+          type: string
+        securityAlarmDetector:
+          type: string
+
+    #---- Definition of alarm notifications --------------------------------------------#
+
+    AlarmNotificationType:
+      type: string
+      enum:
+        - notifyNewAlarm
+        - notifyChangedAlarm
+        - notifyChangedAlarmGeneral
+        - notifyAckStateChanged
+        - notifyCorrelatedNotificationChanged
+        - notifyComments
+        - notifyClearedAlarm
+        - notifyAlarmListRebuiltAlarm
+        - notifyPotentialFaultyAlarmList
+    AlarmListAlignmentRequirement:
+      type: string
+      enum:
+        - ALIGNMENT_REQUIRED
+        - ALIGNMENT_NOT_REQUIRED
+
+    NotifyNewAlarm:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            specificProblem:
+              $ref: '#/components/schemas/SpecificProblem'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            backedUpStatus:
+              type: boolean
+            backUpObject:
+              $ref: 'comDefs.yaml#/components/schemas/Dn'
+            trendIndication:
+              $ref: '#/components/schemas/TrendIndication'
+            thresholdInfo:
+              $ref: '#/components/schemas/ThresholdInfo'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            stateChangeDefinition:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeValueChangeSet'
+            monitoredAttributes:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            proposedRepairActions:
+              type: string
+            additionalText:
+              type: string
+            additionalInformation:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            rootCauseIndicator:
+              type: boolean
+    NotifyNewSecAlarm:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - serviceUser
+            - serviceProvider
+            - securityAlarmDetector
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            additionalText:
+              type: string
+            additionalInformation:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            rootCauseIndicator:
+              type: boolean
+            serviceUser:
+              type: string
+            serviceProvider:
+              type: string
+            securityAlarmDetector:
+              type: string
+    NotifyClearedAlarm:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            clearUserId:
+              type: string
+            clearSystemId:
+              type: string
+    NotifyChangedAlarm:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+    NotifyChangedAlarmGeneral:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - changedAlarmAttributes
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            specificProblem:
+              $ref: '#/components/schemas/SpecificProblem'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            backedUpStatus:
+              type: boolean
+            backUpObject:
+              $ref: 'comDefs.yaml#/components/schemas/Dn'
+            trendIndication:
+              $ref: '#/components/schemas/TrendIndication'
+            thresholdInfo:
+              $ref: '#/components/schemas/ThresholdInfo'
+            stateChangeDefinition:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeValueChangeSet'
+            monitoredAttributes:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            proposedRepairActions:
+              type: string
+            additionalText:
+              type: string
+            additionalInformation:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            rootCauseIndicator:
+              type: boolean
+            changedAlarmAttributes:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+    NotifyChangedSecAlarmGeneral:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - serviceUser
+            - serviceProvider
+            - securityAlarmDetector
+            - changedAlarmAttributes
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            additionalText:
+              type: string
+            additionalInformation:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            rootCauseIndicator:
+              type: boolean
+            serviceUser:
+              type: string
+            serviceProvider:
+              type: string
+            securityAlarmDetector:
+              type: string
+            changedAlarmAttributes:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+    NotifyCorrelatedNotificationChanged:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - correlatedNotifications
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            rootCauseIndicator:
+              type: boolean
+    NotifyAckStateChanged:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - ackState
+            - ackUserId
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            ackState:
+              $ref: '#/components/schemas/AckState'
+            ackUserId:
+              type: string
+            ackSystemId:
+              type: string
+    NotifyComments:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - comments
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            comments:
+              $ref: '#/components/schemas/Comments'
+    NotifyPotentialFaultyAlarmList:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - reason
+          properties:
+            reason:
+              type: string
+    NotifyAlarmListRebuilt:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - reason
+          properties:
+            reason:
+              type: string
+            alarmListAlignmentRequirement:
+              $ref: '#/components/schemas/AlarmListAlignmentRequirement'
+
+    #---- Definition of query parameters -----------------------------------------------#
+
+    AlarmAckState:
+      type: string
+      enum:
+        - ALL_ALARMS
+        - ALL_ACTIVE_ALARMS
+        - ALL_ACTIVE_AND_ACKNOWLEDGED_ALARMS
+        - ALL_ACTIVE_AND_UNACKNOWLEDGED_ALARMS
+        - ALL_CLEARED_AND_UNACKNOWLEDGED_ALARMS
+        - ALL_UNACKNOWLEDGED_ALARMS
+
+    #---- Definition of patch documents ------------------------------------------------#
+
+    MergePatchAcknowledgeAlarm:
+      description: >-
+        Patch document acknowledging or unacknowledging a single alarm. For
+        acknowleding an alarm the value of ackState is ACKNOWLEDGED, for unacknowleding
+        an alarm the value of ackState is UNACKNOWLEDGED.
+      type: object
+      required:
+        - ackUserId
+        - ackState
+      properties:
+        ackUserId:
+          type: string
+        ackSystemId:
+          type: string
+        ackState:
+          $ref: '#/components/schemas/AckState'
+    MergePatchClearAlarm:
+      description: Patch document for clearing a single alarm
+      type: object
+      required:
+        - clearUserId
+        - perceivedSeverity
+      properties:
+        clearUserId:
+          type: string
+        clearSystemId:
+          type: string
+        perceivedSeverity:
+          type: string
+          enum:
+            - CLEARED
+
+    #---- Definition of method responses -----------------------------------------------#
+
+    FailedAlarm:
+      type: object
+      required:
+        - alarmId
+        - failureReason
+      properties:
+        alarmId:
+          $ref: '#/components/schemas/AlarmId'
+        failureReason:
+          type: string
+
+    #---- Definition of resources ------------------------------------------------------#
+
+    AlarmCount:
+      type: object
+      required:
+        - criticalCount
+        - majorCount
+        - minorCount
+        - warningCount
+        - indeterminateCount
+        - clearedCount
+      properties:
+        criticalCount:
+          type: integer
+        majorCount:
+          type: integer
+        minorCount:
+          type: integer
+        warningCount:
+          type: integer
+        indeterminateCount:
+          type: integer
+        clearedCount:
+          type: integer
+    Comment:
+      type: object
+      properties:
+        commentTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        commentUserId:
+          type: string
+        commentSystemId:
+          type: string
+        commentText:
+          type: string
+    Comments:
+      description: >-
+        Collection of comments. The comment identifiers are allocated by the
+        MnS producer and used as key in the map.
+      type: object
+      additionalProperties:
+        $ref: '#/components/schemas/Comment'
+    Subscription:
+      type: object
+      properties:
+        consumerReference:
+          $ref: 'comDefs1.yaml#/components/schemas/Uri'
+        timeTick:
+          $ref: 'comDefs1.yaml#/components/schemas/Long'
+        filter:
+          $ref: 'comDefs1.yaml#/components/schemas/Filter'
\ No newline at end of file
diff --git a/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS_wrong_internal_reference.yaml b/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS_wrong_internal_reference.yaml
new file mode 100644
index 00000000..576ddeb6
--- /dev/null
+++ b/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS_wrong_internal_reference.yaml
@@ -0,0 +1,1063 @@
+openapi: 3.0.1
+info:
+  title: Fault Supervision MnS
+  version: 16.5.0
+  description: >-
+    OAS 3.0.1 definition of the Fault Supervision MnS
+    © 2020, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).
+    All rights reserved.
+externalDocs:
+  description: 3GPP TS 28.532 V16.5.0; Generic management services
+  url: http://www.3gpp.org/ftp/Specs/archive/28_series/28.532/
+servers:
+  - url: '{MnSRoot}/FaultSupervisionMnS/{version}'
+    variables:
+      MnSRoot:
+        description: See subclause 4.4.3 of TS 32.158
+        default: http://example.com/3GPPManagement
+      version:
+        description: Version number of the OpenAPI definition
+        default: XXX
+paths:
+  /alarms:
+    get:
+      summary: Retrieve multiple alarms
+      description: >-
+        Retrieves the alarms identified by alarmAckState, baseObjectInstance
+        and filter.
+      parameters:
+        - name: alarmAckState
+          in: query
+          required: false
+          schema:
+            $ref: '#/components/schemas/AlarmAckState'
+        - name: baseObjectInstance
+          in: query
+          required: false
+          schema:
+            $ref: 'comDefs.yaml#/components/schemas/Dn'
+        - name: filter
+          in: query
+          required: false
+          schema:
+            $ref: 'comDefs.yaml#/components/schemas/Filter'
+      responses:
+        '200':
+          description: >-
+            Success case ("200 OK").
+            Returns the alarms identified in the request. The alarmId is the key
+            of the map.
+          content:
+            application/json:
+              schema:
+                type: object
+                additionalProperties:
+                  type: object
+                  allOf:
+                    - type: object
+                      properties:
+                        lastNotificationHeader:
+                          $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+                    - $ref: '#/components/schemas/AlarmRecord'
+                    - type: object
+                      properties:
+                        comments:
+                          $ref: '#/components/schemas/Comments'
+        default:
+          description: Response in case of error.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+    patch:
+      summary: 'Clear, acknowledge or unacknowledge multiple alarms'
+      description: >-
+        Clears, acknowledges or unacknowledges multiple alarms using patch. Depending
+        on which action is to be performed, different merge patch documents need
+        to be used.
+      requestBody:
+        description: >-
+          Patch documents for acknowledging and unacknowledging, or clearing multiple
+          alarms. The keys in the map are the alarmIds to be patched.
+        content:
+          application/merge-patch+json:
+            schema:
+              oneOf:
+                - type: object
+                  additionalProperties:
+                    $ref: '#/components/schemas/MergePatchAcknowledgeAlarm'
+                - type: object
+                  additionalProperties:
+                    $ref: '#/components/schemas/MergePatchClearAlarm'
+      responses:
+        '204':
+          description: >-
+            Success case ("204 No content").
+            The response message body is empty.
+        default:
+          description: Response in case of error.
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/FailedAlarm'
+  /alarms/alarmCount:
+    get:
+      summary: Get the alarm count per perceived severity
+      parameters:
+        - name: alarmAckState
+          in: query
+          required: false
+          schema:
+            $ref: '#/components/schemas/AlarmAckState'
+        - name: filter
+          in: query
+          required: false
+          schema:
+            type: string
+      responses:
+        '200':
+          description: >-
+            Success case ("200 OK").
+            The alarm count per perceived severity is returned.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/AlarmCount'
+        default:
+          description: Response in case of error. The error case needs rework.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+  /alarms/{alarmId}:
+    patch:
+      summary: 'Clear, acknowledge or unacknowledge a single alarm'
+      description: >-
+        Clears, acknowledges or uncknowldeges a single alarm by patching the alarm
+        information. A conditional acknowledge request based on the perceived
+        severity is not supported.
+      parameters:
+        - name: alarmId
+          in: path
+          description: Identifies the alarm to be patched.
+          required: true
+          schema:
+            type: string
+      requestBody:
+        required: true
+        content:
+          application/merge-patch+json:
+            schema:
+              oneOf:
+                - $ref: '#/components/schemas/MergePatchAcknowledgeAlarm'
+                - $ref: '#/components/schemas/MergePatchClearAlarm'
+      responses:
+        '204':
+          description: >-
+            Success case (204 No content).
+            The response message body is absent.
+        default:
+          description: Response in case of error.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+  /alarms/{alarmId}/comments:
+    post:
+      summary: Add a comment to a single alarm
+      description: >-
+        Adds a comment to an alarm identified by alarmId. The id of the new comment
+        is allocated by the producer.
+      parameters:
+        - name: alarmId
+          in: path
+          description: Identifies the alarm to which the comment shall be added.
+          required: true
+          schema:
+            type: string
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/Comment'
+      responses:
+        '201':
+          description: >-
+            Success case (201 Created).
+            The representation of the newly created comment resource shall be returned.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Comment'
+          headers:
+            Location:
+              description: URI of the newly created comment resource.
+              required: true
+              schema:
+                type: string
+        default:
+          description: Error case.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+
+  /subscriptions:
+    post:
+      summary: Create a subscription
+      description: >-
+        To create a subscription the representation of the subscription is
+        POSTed on the /subscriptions collection resource.
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/Subscription'
+      responses:
+        '201':
+          description: >-
+            Success case ("201 Created").
+            The representation of the newly created subscription resource shall
+            be returned.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Subscription'
+          headers:
+            Location:
+              description: URI of the newly created subscription resource
+              required: true
+              schema:
+                type: string
+        default:
+          description: Error case.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+      callbacks:
+        notifyNewAlarm:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      oneOf:
+                        - $ref: '#/components/schemas/NotifyNewAlarm'
+                        - $ref: '#/components/schemas/NotifyNewSecAlarm'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyClearedAlarm:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyClearedAlarm'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyChangedAlarm:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyChangedAlarm'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyChangedAlarmGeneral:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      oneOf:
+                        - $ref: '#/components/schemas/NotifyChangedAlarmGeneral'
+                        - $ref: '#/components/schemas/NotifyChangedSecAlarmGeneral'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyCorrelatedNotificationChanged:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyCorrelatedNotificationChanged'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyAckStateChanged:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyAckStateChanged'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyComments:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyComments'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyPotentialFaultyAlarmList:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyPotentialFaultyAlarmList'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+        notifyAlarmListRebuilt:
+          '{request.body#/consumerReference}':
+            post:
+              requestBody:
+                required: true
+                content:
+                  application/json:
+                    schema:
+                      $ref: '#/components/schemas/NotifyAlarmListRebuilt'
+              responses:
+                '204':
+                  description: >-
+                    Success case ("204 No Content").
+                    The notification is successfully delivered. The response message
+                    body is absent.
+                default:
+                  description: Error case.
+                  content:
+                    application/json:
+                      schema:
+                        $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+  /subscriptions/{subscriptionId}:
+    delete:
+      summary: Delete a subscription
+      description: >-
+        The subscription is deleted by deleting the corresponding subscription
+        resource. The resource to be deleted is identified with the path
+        component of the URI.
+      parameters:
+        - name: subscriptionId
+          in: path
+          description: Identifies the subscription to be deleted.
+          required: true
+          schema:
+            type: string
+      responses:
+        '204':
+          description: >-
+            Success case ("204 No Content").
+            The subscription resource has been deleted. The response message body
+            is absent.
+        default:
+          description: Error case.
+          content:
+            application/json:
+              schema:
+                $ref: 'comDefs.yaml#/components/schemas/ErrorResponse'
+
+components:
+  schemas:
+
+    #---- Definition of AlarmRecord ----------------------------------------------------#
+
+    AlarmId:
+      type: string
+    AlarmType:
+      type: string
+      enum:
+        - COMMUNICATIONS_ALARM
+        - QUALITY_OF_SERVICE_ALARM
+        - PROCESSING_ERROR_ALARM
+        - EQUIPMENT_ALARM
+        - ENVIRONMENTAL_ALARM
+        - INTEGRITY_VIOLATION
+        - OPERATIONAL_VIOLATION
+        - PHYSICAL_VIOLATION
+        - SECURITY_SERVICE_OR_MECHANISM_VIOLATION
+        - TIME_DOMAIN_VIOLATION
+    ProbableCause:
+      description: >-
+        The value of the probable cause may be a specific standardized string, or any
+        vendor provided string. Probable cause strings are not standardized in the
+        present document. They may be added in a future version. Up to then the
+        mapping of the generic probable cause strings "PROBABLE_CAUSE_001" to
+        "PROBABLE_CAUSE_005" is vendor specific.
+        The value of the probable cause may also be an integer. The mapping of integer
+        values to probable causes is vendor specific.
+      oneOf:
+        - anyOf:
+            - type: string
+              enum:
+                - PROBABLE_CAUSE_001
+                - PROBABLE_CAUSE_002
+                - PROBABLE_CAUSE_003
+                - PROBABLE_CAUSE_004
+                - PROBABLE_CAUSE_005
+            - type: string
+        - type: integer
+    SpecificProblem:
+      oneOf:
+        - type: string
+        - type: integer
+    PerceivedSeverity:
+      type: string
+      enum:
+        - INDETERMINATE
+        - CRITICAL
+        - MAJOR
+        - MINOR
+        - WARNING
+        - CLEARED
+    TrendIndication:
+      type: string
+      enum:
+        - MORE_SEVERE
+        - NO_CHANGE
+        - LESS_SEVERE
+    ThresholdHysteresis:
+      type: object
+      required:
+        - high
+      properties:
+        high:
+          oneOf:
+            - type: integer
+            - $ref: 'comDefs.yaml#/components/schemas/Float'
+        low:
+          $ref: 'comDefs.yaml#/components/schemas/Float'
+    ThresholdLevelInd:
+      type: object
+      required:
+        - up
+      properties:
+        up:
+          $ref: '#/components/schemas/ThresholdHysteresis'
+        low:
+          $ref: '#/components/schemas/ThresholdHysteresis'
+    ThresholdInfo:
+      type: object
+      required:
+        - observedMeasurement
+        - observedValue
+      properties:
+        observedMeasurement:
+          type: string
+        observedValue:
+          type: integer
+          oneOf:
+            - $ref: 'comDefs.yaml#/components/schemas/Float'
+        thresholdLevelInd:
+          $ref: '#/components/schemas/ThresholdLevelInd'
+        armTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+    CorrelatedNotification:
+      type: object
+      required:
+        - source
+        - notificationId
+      properties:
+        sourceObjectInstance:
+          $ref: 'comDefs.yaml#/components/schemas/Dn'
+        notificationIds:
+          type: array
+          items:
+            $ref: 'comDefs.yaml#/components/schemas/NotificationId'
+    CorrelatedNotifications:
+      type: array
+      items:
+        $ref: '#/components/schemas/CorrelatedNotification'
+    AckState:
+      type: string
+      enum:
+        - ACKNOWLEDGED
+        - UNACKNOWLEDGED
+
+    AlarmRecord:
+      description: >-
+        The alarmId is not a property of an alarm record. It is used as key
+        in the map of alarm records instead.
+      type: object
+      properties:
+        # alarmId:
+        #  $ref: '#/components/schemas/AlarmId'
+        objectInstance:
+          $ref: 'comDefs.yaml#/components/schemas/Dn'
+        notificationId:
+          $ref: 'comDefs.yaml#/components/schemas/NotificationId'
+        alarmRaisedTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        alarmChangedTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        alarmClearedTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        alarmType:
+          $ref: '#/components/schemas/AlarmType'
+        probableCause:
+          $ref: '#/components/schemas/ProbableCause'
+        specificProblem:
+          $ref: '#/components/schemas/SpecificProblem'
+        perceivedSeverity:
+          $ref: '#/components/schemas/PerceivedSeverity'
+        backedUpStatus:
+          type: boolean
+        backUpObject:
+          $ref: 'comDefs.yaml#/components/schemas/Dn'
+        trendIndication:
+          $ref: '#/components/schemas/TrendIndication'
+        thresholdinfo:
+          $ref: '#/components/schemas/ThresholdInfo'
+        correlatedNotifications:
+          $ref: '#/components/schemas/CorrelatedNotifications'
+        stateChangeDefinition:
+          $ref: 'comDefs.yaml#/components/schemas/AttributeValueChangeSet'
+        monitoredAttributes:
+          $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+        proposedRepairActions:
+          type: string
+        additionalText:
+          type: string
+        additionalInformation:
+          $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+
+        rootCauseIndicator:
+          type: boolean
+
+        ackTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        ackUserId:
+          type: string
+        ackSystemId:
+          type: string
+        ackState:
+          $ref: '#/components/schemas/AckState'
+
+        clearUserId:
+          type: string
+        clearSystemId:
+          type: string
+        serviceUser:
+          type: string
+        serviceProvider:
+          type: string
+        securityAlarmDetector:
+          type: string
+
+    #---- Definition of alarm notifications --------------------------------------------#
+
+    AlarmNotificationType:
+      type: string
+      enum:
+        - notifyNewAlarm
+        - notifyChangedAlarm
+        - notifyChangedAlarmGeneral
+        - notifyAckStateChanged
+        - notifyCorrelatedNotificationChanged
+        - notifyComments
+        - notifyClearedAlarm
+        - notifyAlarmListRebuiltAlarm
+        - notifyPotentialFaultyAlarmList
+    AlarmListAlignmentRequirement:
+      type: string
+      enum:
+        - ALIGNMENT_REQUIRED
+        - ALIGNMENT_NOT_REQUIRED
+
+    NotifyNewAlarm:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            specificProblem:
+              $ref: '#/components/schemas/SpecificProblem'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            backedUpStatus:
+              type: boolean
+            backUpObject:
+              $ref: 'comDefs.yaml#/components/schemas/Dn'
+            trendIndication:
+              $ref: '#/components/schemas/TrendIndication'
+            thresholdInfo:
+              $ref: '#/components/schemas/ThresholdInfo'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            stateChangeDefinition:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeValueChangeSet'
+            monitoredAttributes:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            proposedRepairActions:
+              type: string
+            additionalText:
+              type: string
+            additionalInformation:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            rootCauseIndicator:
+              type: boolean
+    NotifyNewSecAlarm:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - serviceUser
+            - serviceProvider
+            - securityAlarmDetector
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            additionalText:
+              type: string
+            additionalInformation:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            rootCauseIndicator:
+              type: boolean
+            serviceUser:
+              type: string
+            serviceProvider:
+              type: string
+            securityAlarmDetector:
+              type: string
+    NotifyClearedAlarm:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            clearUserId:
+              type: string
+            clearSystemId:
+              type: string
+    NotifyChangedAlarm:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+    NotifyChangedAlarmGeneral:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - changedAlarmAttributes
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            specificProblem:
+              $ref: '#/components/schemas/SpecificProblem'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            backedUpStatus:
+              type: boolean
+            backUpObject:
+              $ref: 'comDefs.yaml#/components/schemas/Dn'
+            trendIndication:
+              $ref: '#/components/schemas/TrendIndication'
+            thresholdInfo:
+              $ref: '#/components/schemas/ThresholdInfo'
+            stateChangeDefinition:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeValueChangeSet'
+            monitoredAttributes:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            proposedRepairActions:
+              type: string
+            additionalText:
+              type: string
+            additionalInformation:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            rootCauseIndicator:
+              type: boolean
+            changedAlarmAttributes:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+    NotifyChangedSecAlarmGeneral:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - serviceUser
+            - serviceProvider
+            - securityAlarmDetector
+            - changedAlarmAttributes
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            additionalText:
+              type: string
+            additionalInformation:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+            rootCauseIndicator:
+              type: boolean
+            serviceUser:
+              type: string
+            serviceProvider:
+              type: string
+            securityAlarmDetector:
+              type: string
+            changedAlarmAttributes:
+              $ref: 'comDefs.yaml#/components/schemas/AttributeNameValuePairSet'
+    NotifyCorrelatedNotificationChanged:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - correlatedNotifications
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            correlatedNotifications:
+              $ref: '#/components/schemas/CorrelatedNotifications'
+            rootCauseIndicator:
+              type: boolean
+    NotifyAckStateChanged:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - ackState
+            - ackUserId
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmI'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            ackState:
+              $ref: '#/components/schemas/AckState'
+            ackUserId:
+              type: string
+            ackSystemId:
+              type: string
+    NotifyComments:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - alarmId
+            - alarmType
+            - probableCause
+            - perceivedSeverity
+            - comments
+          properties:
+            alarmId:
+              $ref: '#/components/schemas/AlarmId'
+            alarmType:
+              $ref: '#/components/schemas/AlarmType'
+            probableCause:
+              $ref: '#/components/schemas/ProbableCause'
+            perceivedSeverity:
+              $ref: '#/components/schemas/PerceivedSeverity'
+            comments:
+              $ref: '#/components/schemas/Comments'
+    NotifyPotentialFaultyAlarmList:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - reason
+          properties:
+            reason:
+              type: string
+    NotifyAlarmListRebuilt:
+      allOf:
+        - $ref: 'comDefs.yaml#/components/schemas/NotificationHeader'
+        - type: object
+          required:
+            - reason
+          properties:
+            reason:
+              type: string
+            alarmListAlignmentRequirement:
+              $ref: '#/components/schemas/AlarmListAlignmentRequirement'
+
+    #---- Definition of query parameters -----------------------------------------------#
+
+    AlarmAckState:
+      type: string
+      enum:
+        - ALL_ALARMS
+        - ALL_ACTIVE_ALARMS
+        - ALL_ACTIVE_AND_ACKNOWLEDGED_ALARMS
+        - ALL_ACTIVE_AND_UNACKNOWLEDGED_ALARMS
+        - ALL_CLEARED_AND_UNACKNOWLEDGED_ALARMS
+        - ALL_UNACKNOWLEDGED_ALARMS
+
+    #---- Definition of patch documents ------------------------------------------------#
+
+    MergePatchAcknowledgeAlarm:
+      description: >-
+        Patch document acknowledging or unacknowledging a single alarm. For
+        acknowleding an alarm the value of ackState is ACKNOWLEDGED, for unacknowleding
+        an alarm the value of ackState is UNACKNOWLEDGED.
+      type: object
+      required:
+        - ackUserId
+        - ackState
+      properties:
+        ackUserId:
+          type: string
+        ackSystemId:
+          type: string
+        ackState:
+          $ref: '#/components/schemas/AckState'
+    MergePatchClearAlarm:
+      description: Patch document for clearing a single alarm
+      type: object
+      required:
+        - clearUserId
+        - perceivedSeverity
+      properties:
+        clearUserId:
+          type: string
+        clearSystemId:
+          type: string
+        perceivedSeverity:
+          type: string
+          enum:
+            - CLEARED
+
+    #---- Definition of method responses -----------------------------------------------#
+
+    FailedAlarm:
+      type: object
+      required:
+        - alarmId
+        - failureReason
+      properties:
+        alarmId:
+          $ref: '#/components/schemas/AlarmId'
+        failureReason:
+          type: string
+
+    #---- Definition of resources ------------------------------------------------------#
+
+    AlarmCount:
+      type: object
+      required:
+        - criticalCount
+        - majorCount
+        - minorCount
+        - warningCount
+        - indeterminateCount
+        - clearedCount
+      properties:
+        criticalCount:
+          type: integer
+        majorCount:
+          type: integer
+        minorCount:
+          type: integer
+        warningCount:
+          type: integer
+        indeterminateCount:
+          type: integer
+        clearedCount:
+          type: integer
+    Comment:
+      type: object
+      properties:
+        commentTime:
+          $ref: 'comDefs.yaml#/components/schemas/DateTime'
+        commentUserId:
+          type: string
+        commentSystemId:
+          type: string
+        commentText:
+          type: string
+    Comments:
+      description: >-
+        Collection of comments. The comment identifiers are allocated by the
+        MnS producer and used as key in the map.
+      type: object
+      additionalProperties:
+        $ref: '#/components/schemas/Comment'
+    Subscription:
+      type: object
+      properties:
+        consumerReference:
+          $ref: 'comDefs.yaml#/components/schemas/Uri'
+        timeTick:
+          $ref: 'comDefs.yaml#/components/schemas/Long'
+        filter:
+          $ref: 'comDefs.yaml#/components/schemas/Filter'
\ No newline at end of file
diff --git a/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/schema-map.json b/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/schema-map.json
new file mode 100644
index 00000000..389e5a69
--- /dev/null
+++ b/tests/dcaegen2/testcases/assets/test_schemas/externalRepo/schema-map.json
@@ -0,0 +1,14 @@
+[
+  {
+    "publicURL": "https://forge.3gpp.org/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/ves7_valid_eventWithStndDefinedFields_with_valid_schema_ref.json",
+    "localURL": "3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/ves7_valid_eventWithStndDefinedFields_with_valid_schema_ref.json"
+  },
+  {
+    "publicURL": "https://forge.3gpp.org/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS_wrong_file_reference.yaml",
+    "localURL": "3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS_wrong_file_reference.yaml"
+  },
+  {
+    "publicURL": "https://forge.3gpp.org/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS_wrong_internal_reference.yaml",
+    "localURL": "3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/faultMnS_wrong_internal_reference.yaml"
+  }
+]
\ No newline at end of file
diff --git a/tests/dcaegen2/testcases/resources/collector_stnd_defined_new_schema_map.properties b/tests/dcaegen2/testcases/resources/collector_stnd_defined_new_schema_map.properties
new file mode 100644
index 00000000..cd417635
--- /dev/null
+++ b/tests/dcaegen2/testcases/resources/collector_stnd_defined_new_schema_map.properties
@@ -0,0 +1,73 @@
+###############################################################################
+##
+## Collector Server config
+##
+##	- Default values are shown as commented settings.
+##
+###############################################################################
+##
+## HTTP(S) service
+##
+##	Normally:
+##
+##		- 8080 is http service
+##		- https is disabled by default
+##
+##		- At this time, the server always binds to 0.0.0.0
+##
+##
+collector.service.port=8080
+
+## Authentication is only supported via secure port
+## When enabled - require valid keystore defined
+collector.service.secure.port=8443
+
+# auth.method flags:
+#
+# noAuth - default option - no security (http)
+# certBasicAuth - auth by certificate and basic auth username / password (https)
+auth.method=certBasicAuth
+
+## Combination of userid,hashPassword encoded pwd list to be supported
+## userid and pwd comma separated; pipe delimitation between each pair
+## Password is generated by crypt-password library using BCrypt algorithm stored in dcaegen2/sdk package
+## or https://nexus.onap.org/#nexus-search;quick~crypt-password
+header.authlist=sample1,$2a$10$0buh.2WeYwN868YMwnNNEuNEAMNYVU9.FSMJGyIKV3dGET/7oGOi6
+
+## The keystore must be setup per installation when secure port is configured
+collector.keystore.file.location=etc/keystore
+collector.keystore.passwordfile=etc/passwordfile
+
+collector.cert.subject.matcher=etc/certSubjectMatcher.properties
+
+## The truststore must be setup per installation when mutual tls support is configured
+collector.truststore.file.location=etc/truststore
+collector.truststore.passwordfile=etc/trustpasswordfile
+
+## Schema Validation checkflag
+## default no validation checkflag (-1)
+## If enabled (1) - schemafile location must be specified
+collector.schema.checkflag=1
+collector.schema.file={\"v1\":\"./etc/CommonEventFormat_27.2.json\",\"v2\":\"./etc/CommonEventFormat_27.2.json\",\"v3\":\"./etc/CommonEventFormat_27.2.json\",\"v4\":\"./etc/CommonEventFormat_27.2.json\",\"v5\":\"./etc/CommonEventFormat_28.4.1.json\",\"v7\":\"./etc/CommonEventFormat_30.2_ONAP.json\"}
+
+## Schema StndDefinedFields Validation checkflag
+## default no validation checkflag (-1)
+## If enabled (1) - schema files locations must be specified, mapping file path must be specified, schema reference path
+## in event json must be specified, path to stndDefined data field in event json must be specified
+collector.externalSchema.checkflag=1
+collector.externalSchema.schemasLocation=./etc/externalRepo/
+collector.externalSchema.mappingFileLocation=./etc/externalRepo/schema-map.json
+event.externalSchema.schemaRefPath=/event/stndDefinedFields/schemaReference
+event.externalSchema.stndDefinedDataPath=/event/stndDefinedFields/data
+
+## List all streamid per domain to be supported. The streamid should match to channel name on dmaapfile
+collector.dmaap.streamid=fault=ves-fault|syslog=ves-syslog|heartbeat=ves-heartbeat|measurementsForVfScaling=ves-measurement|mobileFlow=ves-mobileflow|other=ves-other|stateChange=ves-statechange|thresholdCrossingAlert=ves-thresholdCrossingAlert|voiceQuality=ves-voicequality|sipSignaling=ves-sipsignaling|notification=ves-notification|pnfRegistration=ves-pnfRegistration|3GPP-FaultSupervision=ves-3gpp-fault-supervision|3GPP-Heartbeat=ves-3gpp-heartbeat|3GPP-Provisioning=ves-3gpp-provisioning|3GPP-PerformanceAssurance=ves-3gpp-performance-assurance
+collector.dmaapfile=./etc/DmaapConfig.json
+
+## Event transformation Flag - when set expects configurable transformation
+## defined under ./etc/eventTransform.json
+## Enabled by default; to disable set to 0
+event.transform.flag=1
+
+# Describes at what frequency (measured in minutes) should application try to fetch config from CBS
+collector.dynamic.config.update.frequency=5
diff --git a/tests/dcaegen2/testcases/resources/dcae_properties.robot b/tests/dcaegen2/testcases/resources/dcae_properties.robot
index 65eba841..2ae46f92 100644
--- a/tests/dcaegen2/testcases/resources/dcae_properties.robot
+++ b/tests/dcaegen2/testcases/resources/dcae_properties.robot
@@ -60,6 +60,10 @@ ${VES_STND_DEFINED_NO_VALUE}             %{WORKSPACE}/tests/dcaegen2/testcases/a
 ${VES_STND_DEFINED_INVALID_TYPE_DATA}    %{WORKSPACE}/tests/dcaegen2/testcases/assets/json_events/ves_stdnDefined_invalid_type_data_field.json
 ${VES_CERT_BASIC_AUTH_COLLECTOR_PROPERTIES}  %{WORKSPACE}/tests/dcaegen2/testcases/resources/collector_basic_auth.properties
 ${VES_DISABLED_STNDDEFINED_COLLECTOR_PROPERTIES}  %{WORKSPACE}/tests/dcaegen2/testcases/resources/collector_stnd_defined.properties
+${VES_ADD_REFERENCE_TO_OTHER_SCHEMAS}   %{WORKSPACE}/tests/dcaegen2/testcases/resources/collector_stnd_defined_new_schema_map.properties
+${VES_VALID_JSON_WITH_RFERENCE_TO_VALID_SCHEMA}  %{WORKSPACE}/tests/dcaegen2/testcases/assets/json_events/ves7_valid_eventWithStndDefinedFields_with_valid_schema_ref.json
+${VES_VALID_JSON_V7_STND_DEF_FIELDS_WRONG_SCHEMA_FILE_REF}   %{WORKSPACE}/tests/dcaegen2/testcases/assets/json_events/ves7_valid_eventWithStndDefinedFields_to_schema_with_wrong_file_ref.json
+${VES_VALID_JSON_V7_STND_DEF_FIELDS_WRONG_SCHEMA_INTERNAL_REF}  %{WORKSPACE}/tests/dcaegen2/testcases/assets/json_events/ves7_valid_eventWithStndDefinedFields_to_schema_with_wrong_internal_ref.json
 
 #DCAE Health Check
 ${CONFIG_BINDING_URL}                    http://localhost:8443
diff --git a/tests/dcaegen2/testcases/resources/override_collector_properties_with_new_files.sh b/tests/dcaegen2/testcases/resources/override_collector_properties_with_new_files.sh
new file mode 100755
index 00000000..f185ac39
--- /dev/null
+++ b/tests/dcaegen2/testcases/resources/override_collector_properties_with_new_files.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+#
+# Copyright (C) 2020 Nokia. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+if [ $# -ne 1 ]; then
+    echo "Incorrect number of parameters"
+    exit 1
+fi
+
+LOCAL_COLLECTOR_PROPERTIES_PATH=$1
+FILENAME=$(basename $LOCAL_COLLECTOR_PROPERTIES_PATH)
+TEST_FILES_PATH=$2
+ETC_PATH=/opt/app/VESCollector/etc
+APP_CONTROLLER_PATH=/opt/app/VESCollector/bin/appController.sh
+
+docker exec vesc $APP_CONTROLLER_PATH stop
+sleep 2
+docker cp $LOCAL_COLLECTOR_PROPERTIES_PATH vesc:$ETC_PATH
+sleep 10
+docker cp $TEST_FILES_PATH vesc:$ETC_PATH
+sleep 10
+docker exec vesc mv $ETC_PATH/$FILENAME $ETC_PATH/collector.properties
+docker exec vesc $APP_CONTROLLER_PATH start
+sleep 5
+echo "VES Collector Restarted with overridden collector.properties"