Async: NCMP Rest impl. including Request ID generation

- Based on topic api can be sync or async
- RequestId is generated using UUID
- Used UriComponentBuilder to populate dmi service url.
- New test cases are introduced to validate service url generation.

Issue-ID: CPS-828
Signed-off-by: sourabh_sourabh <sourabh.sourabh@est.tech>
Change-Id: I2696d5cb012d9274b0c1265f16aa9b2369657f05

5 files changed, 242 insertions, 59 deletions

diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplSpec.groovy
index b2a3d77cac..e6d18d9156 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImplSpec.groovy
@@ -24,6 +24,7 @@ package org.onap.cps.ncmp.api.impl
 
 import org.onap.cps.ncmp.api.impl.operations.YangModelCmHandleRetriever
 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle
+import spock.lang.Shared
 
 import static org.onap.cps.ncmp.api.impl.operations.DmiOperations.DataStoreEnum.PASSTHROUGH_OPERATIONAL
 import static org.onap.cps.ncmp.api.impl.operations.DmiOperations.DataStoreEnum.PASSTHROUGH_RUNNING
@@ -56,6 +57,10 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
     def mockDmiDataOperations = Mock(DmiDataOperations)
     def nullNetworkCmProxyDataServicePropertyHandler = null
     def mockYangModelCmHandleRetriever = Mock(YangModelCmHandleRetriever)
+    def NO_TOPIC = null
+    def NO_REQUEST_ID = null
+    @Shared
+    def OPTIONS_PARAM = '(a=1,b=2)'
 
     def objectUnderTest = new NetworkCmProxyDataServiceImpl(mockCpsDataService, spiedJsonObjectMapper, mockDmiDataOperations, mockDmiModelOperations,
         mockCpsModuleService, mockCpsAdminService, nullNetworkCmProxyDataServicePropertyHandler, mockYangModelCmHandleRetriever)
@@ -64,7 +69,6 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
 
     def dataNode = new DataNode(leaves: ['dmi-service-name': 'testDmiService'])
 
-
     def 'Write resource data for pass-through running from DMI using POST #scenario cm handle properties.'() {
         given: 'cpsDataService returns valid datanode'
             mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
@@ -104,18 +108,21 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
                 cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> dataNode
         and: 'get resource data from DMI is called'
             mockDmiDataOperations.getResourceDataFromDmi(
-                'testCmHandle',
-                'testResourceId',
-                '(a=1,b=2)',
-                'testAcceptParam' ,
-                PASSTHROUGH_OPERATIONAL) >> new ResponseEntity<>('result-json', HttpStatus.OK)
+                    'testCmHandle',
+                    'testResourceId',
+                    OPTIONS_PARAM,
+                    'testAcceptParam',
+                    PASSTHROUGH_OPERATIONAL,
+                    NO_REQUEST_ID,
+                    NO_TOPIC) >> new ResponseEntity<>('dmi-response', HttpStatus.OK)
         when: 'get resource data operational for cm-handle is called'
             def response = objectUnderTest.getResourceDataOperationalForCmHandle('testCmHandle',
-                'testResourceId',
-                'testAcceptParam',
-                '(a=1,b=2)')
+                    'testResourceId',
+                    'testAcceptParam',
+                    OPTIONS_PARAM,
+                    NO_TOPIC)
         then: 'DMI returns a json response'
-            response == 'result-json'
+            response == 'dmi-response'
     }
 
     def 'Get resource data for pass-through operational from DMI with Json Processing Exception.'() {
@@ -129,9 +136,10 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
                 >> new ResponseEntity<>('NOK-json', HttpStatus.NOT_FOUND)
         when: 'get resource data is called'
             objectUnderTest.getResourceDataOperationalForCmHandle('testCmHandle',
-                'testResourceId',
-                'testAcceptParam',
-                '(a=1,b=2)')
+                    'testResourceId',
+                    'testAcceptParam',
+                    OPTIONS_PARAM,
+                    NO_TOPIC)
         then: 'exception is thrown with the expected details'
             def exceptionThrown = thrown(ServerNcmpException.class)
             exceptionThrown.details == 'DMI status code: 404, DMI response body: NOK-json'
@@ -143,16 +151,19 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
                 cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> dataNode
         and: 'DMI returns NOK response'
             mockDmiDataOperations.getResourceDataFromDmi('testCmHandle',
-                'testResourceId',
-                '(a=1,b=2)',
-                'testAcceptParam',
-                PASSTHROUGH_OPERATIONAL)
-                >> new ResponseEntity<>('NOK-json', HttpStatus.NOT_FOUND)
+                    'testResourceId',
+                    OPTIONS_PARAM,
+                    'testAcceptParam',
+                    PASSTHROUGH_OPERATIONAL,
+                    NO_REQUEST_ID,
+                    NO_TOPIC)
+                    >> new ResponseEntity<>('NOK-json', HttpStatus.NOT_FOUND)
         when: 'get resource data is called'
             objectUnderTest.getResourceDataOperationalForCmHandle('testCmHandle',
-                'testResourceId',
-                'testAcceptParam',
-                '(a=1,b=2)')
+                    'testResourceId',
+                    'testAcceptParam',
+                    OPTIONS_PARAM,
+                    NO_TOPIC)
         then: 'exception is thrown'
             def exceptionThrown = thrown(ServerNcmpException.class)
         and: 'details contains the original response'
@@ -165,17 +176,20 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
                 cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> dataNode
         and: 'DMI returns valid response and data'
             mockDmiDataOperations.getResourceDataFromDmi('testCmHandle',
-                'testResourceId',
-                '(a=1,b=2)',
-                'testAcceptParam',
-                PASSTHROUGH_RUNNING) >> new ResponseEntity<>('{result-json}', HttpStatus.OK)
+                    'testResourceId',
+                    OPTIONS_PARAM,
+                    'testAcceptParam',
+                    PASSTHROUGH_RUNNING,
+                    NO_REQUEST_ID,
+                    NO_TOPIC) >> new ResponseEntity<>('{dmi-response}', HttpStatus.OK)
         when: 'get resource data is called'
             def response = objectUnderTest.getResourceDataPassThroughRunningForCmHandle('testCmHandle',
-                'testResourceId',
-                'testAcceptParam',
-                '(a=1,b=2)')
+                    'testResourceId',
+                    'testAcceptParam',
+                    OPTIONS_PARAM,
+                    NO_TOPIC)
         then: 'get resource data returns expected response'
-            response == '{result-json}'
+            response == '{dmi-response}'
     }
 
     def 'Get resource data for pass-through running from DMI return NOK response.'() {
@@ -184,22 +198,91 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
                 cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> dataNode
         and: 'DMI returns NOK response'
             mockDmiDataOperations.getResourceDataFromDmi('testCmHandle',
-                'testResourceId',
-                '(a=1,b=2)',
-                'testAcceptParam',
-                PASSTHROUGH_RUNNING)
-                >> new ResponseEntity<>('NOK-json', HttpStatus.NOT_FOUND)
+                    'testResourceId',
+                    OPTIONS_PARAM,
+                    'testAcceptParam',
+                    PASSTHROUGH_RUNNING,
+                    NO_REQUEST_ID,
+                    NO_TOPIC)
+                    >> new ResponseEntity<>('NOK-json', HttpStatus.NOT_FOUND)
         when: 'get resource data is called'
             objectUnderTest.getResourceDataPassThroughRunningForCmHandle('testCmHandle',
-                'testResourceId',
-                'testAcceptParam',
-                '(a=1,b=2)')
+                    'testResourceId',
+                    'testAcceptParam',
+                    OPTIONS_PARAM,
+                    NO_TOPIC)
         then: 'exception is thrown'
             def exceptionThrown = thrown(ServerNcmpException.class)
         and: 'details contains the original response'
             exceptionThrown.details.contains('NOK-json')
     }
 
+    def 'Get resource data for operational from DMI with empty topic sync request.'() {
+        given: 'cps data service returns valid data node'
+            mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
+                    cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> dataNode
+        and: 'dmi data operation returns valid response and data'
+            mockDmiDataOperations.getResourceDataFromDmi(_, _, _, _, _, NO_REQUEST_ID, NO_TOPIC)
+                    >> new ResponseEntity<>('{dmi-response}', HttpStatus.OK)
+        when: 'get resource data is called data operational with blank topic'
+            def responseData = objectUnderTest.getResourceDataOperationalForCmHandle('', '',
+                    '', '', emptyTopic)
+        then: '(synchronous) the dmi response is expected'
+            assert responseData == '{dmi-response}'
+        where: 'the following parameters are used'
+            scenario             | emptyTopic
+            'No topic in url'    | ''
+            'Null topic in url'  | null
+            'Empty topic in url' | '\"\"'
+            'Blank topic in url' | ' '
+    }
+
+    def 'Get resource data for data operational from DMI with valid topic i.e. async request.'() {
+        given: 'cps data service returns valid data node'
+            mockCpsDataService.getDataNode(*_) >> dataNode
+        and: 'dmi data operation returns valid response and data'
+            mockDmiDataOperations.getResourceDataFromDmi(_, _, _, _, _, _, 'my-topic-name')
+                    >> new ResponseEntity<>('{dmi-response}', HttpStatus.OK)
+        when: 'get resource data is called for data operational with valid topic'
+            def responseData = objectUnderTest.getResourceDataOperationalForCmHandle('', '', '', '', 'my-topic-name')
+        then: 'non empty request id is generated'
+            assert responseData.body.requestId.length() > 0
+    }
+
+    def 'Get resource data for pass through running from DMI with valid topic async request.'() {
+        given: 'cps data service returns valid data node'
+            mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
+                    cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> dataNode
+        and: 'dmi data operation returns valid response and data'
+            mockDmiDataOperations.getResourceDataFromDmi(_, _, _, _, _, _, 'my-topic-name')
+                    >> new ResponseEntity<>('{dmi-response}', HttpStatus.OK)
+        when: 'get resource data is called for data operational with valid topic'
+            def responseData = objectUnderTest.getResourceDataPassThroughRunningForCmHandle('',
+                    '', '', OPTIONS_PARAM, 'my-topic-name')
+        then: 'non empty request id is generated'
+            assert responseData.body.requestId.length() > 0
+    }
+
+    def 'Get resource data for pass through running from DMI sync request where #scenario.'() {
+        given: 'cps data service returns valid data node'
+            mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
+                    cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> dataNode
+        and: 'dmi data operation returns valid response and data'
+            mockDmiDataOperations.getResourceDataFromDmi(_, _, _, _, _, NO_REQUEST_ID, NO_TOPIC)
+                    >> new ResponseEntity<>('{dmi-response}', HttpStatus.OK)
+        when: 'get resource data is called for data operational with valid topic'
+            def responseData = objectUnderTest.getResourceDataPassThroughRunningForCmHandle('',
+                    '', '', '', emptyTopic)
+        then: '(synchronous) the dmi response is expected'
+            assert responseData == '{dmi-response}'
+        where: 'the following parameters are used'
+            scenario             | emptyTopic
+            'No topic in url'    | ''
+            'Null topic in url'  | null
+            'Empty topic in url' | '\"\"'
+            'Blank topic in url' | ' '
+    }
+
     def 'Getting Yang Resources.'() {
         when: 'yang resources is called'
             objectUnderTest.getYangResourcesModuleReferences('some cm handle')
@@ -255,7 +338,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
                 givenOperation,
                 '{some-json}',
                 'application/json')
-        then: 'an exception is thrown with the expected error message detailsd with correct operation'
+        then: 'an exception is thrown with the expected error message details with correct operation'
             def exceptionThrown = thrown(ServerNcmpException.class)
             exceptionThrown.getMessage().contains(expectedResponseMessage)
         where:
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiDataOperationsSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiDataOperationsSpec.groovy
index e585825ca3..3df862ac5c 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiDataOperationsSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiDataOperationsSpec.groovy
@@ -22,12 +22,15 @@ package org.onap.cps.ncmp.api.impl.operations
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import org.onap.cps.ncmp.api.impl.config.NcmpConfiguration
+import org.onap.cps.ncmp.api.impl.utils.DmiServiceUrlBuilder
 import org.onap.cps.utils.JsonObjectMapper
 import org.spockframework.spring.SpringBean
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.context.SpringBootTest
 import org.springframework.http.ResponseEntity
 import org.springframework.test.context.ContextConfiguration
+import org.springframework.util.MultiValueMap
+import spock.lang.Shared
 
 import static org.onap.cps.ncmp.api.impl.operations.DmiOperations.DataStoreEnum.PASSTHROUGH_OPERATIONAL
 import static org.onap.cps.ncmp.api.impl.operations.DmiOperations.DataStoreEnum.PASSTHROUGH_RUNNING
@@ -40,43 +43,54 @@ import org.springframework.http.HttpStatus
 class DmiDataOperationsSpec extends DmiOperationsBaseSpec {
 
     @SpringBean
-    JsonObjectMapper jsonObjectMapper = new JsonObjectMapper(new ObjectMapper())
+    DmiServiceUrlBuilder dmiServiceUrlBuilder = Mock()
+    def dmiServiceBaseUrl = "${dmiServiceName}/dmi/v1/ch/${cmHandleId}/data/ds/ncmp-datastore:"
+    def NO_TOPIC = null
+    def NO_REQUEST_ID = null
+    @Shared
+    def OPTIONS_PARAM = '(a=1,b=2)'
+
+    @SpringBean
+    JsonObjectMapper spiedJsonObjectMapper = Spy(new JsonObjectMapper(new ObjectMapper()))
 
     @Autowired
     DmiDataOperations objectUnderTest
 
-    def 'call get resource data for #expectedDatastoreInUrl from DMI #scenario.'() {
+    def 'call get resource data for #expectedDatastoreInUrl from DMI without topic #scenario.'() {
         given: 'a cm handle for #cmHandleId'
             mockYangModelCmHandleRetrieval(dmiProperties)
         and: 'a positive response from DMI service when it is called with the expected parameters'
             def responseFromDmi = new ResponseEntity<Object>(HttpStatus.OK)
-            mockDmiRestClient.postOperationWithJsonData(
-                "${dmiServiceName}/dmi/v1/ch/${cmHandleId}/data/ds/ncmp-datastore:${expectedDatastoreInUrl}?resourceIdentifier=${resourceIdentifier}${expectedOptionsInUrl}",
-                expectedJson, [Accept:['sample accept header']]) >> responseFromDmi
+            def expectedUrl = dmiServiceBaseUrl + "${expectedDatastoreInUrl}?resourceIdentifier=${resourceIdentifier}${expectedOptionsInUrl}"
+            mockDmiRestClient.postOperationWithJsonData(expectedUrl,
+                    expectedJson, [Accept: ['sample accept header']]) >> responseFromDmi
+            dmiServiceUrlBuilder.getDmiDatastoreUrl(_, _) >> expectedUrl
         when: 'get resource data is invoked'
-            def result = objectUnderTest.getResourceDataFromDmi(cmHandleId,resourceIdentifier, options,'sample accept header', dataStore)
+            def result = objectUnderTest.getResourceDataFromDmi(cmHandleId, resourceIdentifier,
+                    options, 'sample accept header', dataStore, NO_REQUEST_ID, NO_TOPIC)
         then: 'the result is the response from the DMI service'
             assert result == responseFromDmi
         where: 'the following parameters are used'
-            scenario             | dmiProperties        | dataStore               | options     || expectedJson                                                 | expectedDatastoreInUrl    | expectedOptionsInUrl
-            'without properties' | []                   | PASSTHROUGH_OPERATIONAL | '(a=1,b=2)' || '{"operation":"read","cmHandleProperties":{}}'               | 'passthrough-operational' | '&options=(a=1,b=2)'
-            'with properties'    | [yangModelCmHandleProperty] | PASSTHROUGH_OPERATIONAL | '(a=1,b=2)' || '{"operation":"read","cmHandleProperties":{"prop1":"val1"}}' | 'passthrough-operational' | '&options=(a=1,b=2)'
-            'null options'       | [yangModelCmHandleProperty] | PASSTHROUGH_OPERATIONAL | null        || '{"operation":"read","cmHandleProperties":{"prop1":"val1"}}' | 'passthrough-operational' | ''
-            'empty options'      | [yangModelCmHandleProperty] | PASSTHROUGH_OPERATIONAL | ''          || '{"operation":"read","cmHandleProperties":{"prop1":"val1"}}' | 'passthrough-operational' | ''
-            'datastore running'  | []                   | PASSTHROUGH_RUNNING     | '(a=1,b=2)' || '{"operation":"read","cmHandleProperties":{}}'               | 'passthrough-running'     | '&options=(a=1,b=2)'
+            scenario                               | dmiProperties               | dataStore               | options       || expectedJson                                                 | expectedDatastoreInUrl    | expectedOptionsInUrl
+            'without properties'                   | []                          | PASSTHROUGH_OPERATIONAL | OPTIONS_PARAM || '{"operation":"read","cmHandleProperties":{}}'               | 'passthrough-operational' | '&options=(a=1,b=2)'
+            'with properties'                      | [yangModelCmHandleProperty] | PASSTHROUGH_OPERATIONAL | OPTIONS_PARAM || '{"operation":"read","cmHandleProperties":{"prop1":"val1"}}' | 'passthrough-operational' | '&options=(a=1,b=2)'
+            'null options'                         | [yangModelCmHandleProperty] | PASSTHROUGH_OPERATIONAL | null          || '{"operation":"read","cmHandleProperties":{"prop1":"val1"}}' | 'passthrough-operational' | ''
+            'empty options'                        | [yangModelCmHandleProperty] | PASSTHROUGH_OPERATIONAL | ''            || '{"operation":"read","cmHandleProperties":{"prop1":"val1"}}' | 'passthrough-operational' | ''
+            'datastore running without properties' | []                          | PASSTHROUGH_RUNNING     | OPTIONS_PARAM || '{"operation":"read","cmHandleProperties":{}}'               | 'passthrough-running'     | '&options=(a=1,b=2)'
+            'datastore running with properties'    | [yangModelCmHandleProperty] | PASSTHROUGH_RUNNING     | OPTIONS_PARAM || '{"operation":"read","cmHandleProperties":{"prop1":"val1"}}' | 'passthrough-running'     | '&options=(a=1,b=2)'
     }
 
     def 'Write data for pass-through:running datastore in DMI.'() {
         given: 'a cm handle for #cmHandleId'
             mockYangModelCmHandleRetrieval([yangModelCmHandleProperty])
         and: 'a positive response from DMI service when it is called with the expected parameters'
-            def expectedUrl = "${dmiServiceName}/dmi/v1/ch/${cmHandleId}/data/ds" +
-                "/ncmp-datastore:passthrough-running?resourceIdentifier=${resourceIdentifier}"
+            def expectedUrl = dmiServiceBaseUrl + "passthrough-running?resourceIdentifier=${resourceIdentifier}"
             def expectedJson = '{"operation":"' + expectedOperationInUrl + '","dataType":"some data type","data":"requestData","cmHandleProperties":{"prop1":"val1"}}'
             def responseFromDmi = new ResponseEntity<Object>(HttpStatus.OK)
+            dmiServiceUrlBuilder.getDmiDatastoreUrl(_, _) >> expectedUrl
             mockDmiRestClient.postOperationWithJsonData(expectedUrl, expectedJson, [:]) >> responseFromDmi
         when: 'write resource method is invoked'
-            def result = objectUnderTest.writeResourceDataPassThroughRunningFromDmi(cmHandleId,'parent/child', operation, 'requestData', 'some data type')
+            def result = objectUnderTest.writeResourceDataPassThroughRunningFromDmi(cmHandleId, 'parent/child', operation, 'requestData', 'some data type')
         then: 'the result is the response from the DMI service'
             assert result == responseFromDmi
         where: 'the following operation is performed'
@@ -84,5 +98,4 @@ class DmiDataOperationsSpec extends DmiOperationsBaseSpec {
             CREATE    || 'create'
             UPDATE    || 'update'
     }
-
 }
\ No newline at end of file
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiModelOperationsSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiModelOperationsSpec.groovy
index cd2cb7112c..d3fc17cc07 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiModelOperationsSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiModelOperationsSpec.groovy
@@ -23,6 +23,7 @@ package org.onap.cps.ncmp.api.impl.operations
 import com.fasterxml.jackson.core.JsonProcessingException
 import com.fasterxml.jackson.databind.ObjectMapper
 import org.onap.cps.ncmp.api.impl.config.NcmpConfiguration
+import org.onap.cps.ncmp.api.impl.utils.DmiServiceUrlBuilder
 import org.onap.cps.spi.model.ModuleReference
 import org.onap.cps.utils.JsonObjectMapper
 import org.spockframework.spring.SpringBean
@@ -31,6 +32,7 @@ import org.springframework.boot.test.context.SpringBootTest
 import org.springframework.http.HttpStatus
 import org.springframework.http.ResponseEntity
 import org.springframework.test.context.ContextConfiguration
+import org.springframework.web.util.UriComponentsBuilder
 import spock.lang.Shared
 
 @SpringBootTest
@@ -50,14 +52,15 @@ class DmiModelOperationsSpec extends DmiOperationsBaseSpec {
         given: 'a cm handle'
             mockYangModelCmHandleRetrieval([])
         and: 'a positive response from DMI service when it is called with the expected parameters'
-            def moduleReferencesAsLisOfMaps = [[moduleName:'mod1',revision:'A'],[moduleName:'mod2',revision:'X']]
-            def responseFromDmi = new ResponseEntity([schemas:moduleReferencesAsLisOfMaps], HttpStatus.OK)
-            mockDmiRestClient.postOperationWithJsonData("${dmiServiceName}/dmi/v1/ch/${cmHandleId}/modules",
-                '{"cmHandleProperties":{}}', [:]) >> responseFromDmi
+            def moduleReferencesAsLisOfMaps = [[moduleName: 'mod1', revision: 'A'], [moduleName: 'mod2', revision: 'X']]
+            def expectedUrl = "${dmiServiceName}/dmi/v1/ch/${cmHandleId}/modules"
+            def responseFromDmi = new ResponseEntity([schemas: moduleReferencesAsLisOfMaps], HttpStatus.OK)
+            mockDmiRestClient.postOperationWithJsonData(expectedUrl, '{"cmHandleProperties":{}}', [:])
+                    >> responseFromDmi
         when: 'get module references is called'
             def result = objectUnderTest.getModuleReferences(yangModelCmHandle)
         then: 'the result consists of expected module references'
-            assert result == [new ModuleReference(moduleName:'mod1',revision:'A'), new ModuleReference(moduleName:'mod2',revision:'X')]
+            assert result == [new ModuleReference(moduleName: 'mod1', revision: 'A'), new ModuleReference(moduleName: 'mod2', revision: 'X')]
     }
 
     def 'Retrieving module references edge case: #scenario.'() {
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiOperationsBaseSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiOperationsBaseSpec.groovy
index dd0d64dd61..e6f63ce1a2 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiOperationsBaseSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/operations/DmiOperationsBaseSpec.groovy
@@ -22,7 +22,9 @@ package org.onap.cps.ncmp.api.impl.operations
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import org.onap.cps.ncmp.api.impl.client.DmiRestClient
+import org.onap.cps.ncmp.api.impl.config.NcmpConfiguration
 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle
+import org.onap.cps.ncmp.api.impl.utils.DmiServiceUrlBuilder
 import org.spockframework.spring.SpringBean
 import spock.lang.Shared
 import spock.lang.Specification
@@ -41,6 +43,9 @@ abstract class DmiOperationsBaseSpec extends Specification {
     @SpringBean
     ObjectMapper spyObjectMapper = Spy()
 
+    @SpringBean
+    DmiServiceUrlBuilder dmiServiceUrlBuilder = new DmiServiceUrlBuilder(new NcmpConfiguration.DmiProperties())
+
     def yangModelCmHandle = new YangModelCmHandle()
     def static dmiServiceName = 'some service name'
     def static cmHandleId = 'some cm handle'
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/utils/DmiServiceUrlBuilderSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/utils/DmiServiceUrlBuilderSpec.groovy
new file mode 100644
index 0000000000..1615d055db
--- /dev/null
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/utils/DmiServiceUrlBuilderSpec.groovy
@@ -0,0 +1,79 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.utils
+
+import static org.onap.cps.ncmp.api.impl.operations.DmiOperations.DataStoreEnum.PASSTHROUGH_RUNNING
+
+import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle
+import org.onap.cps.ncmp.api.impl.config.NcmpConfiguration
+import org.onap.cps.ncmp.api.impl.utils.DmiServiceUrlBuilder
+import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle
+import spock.lang.Shared
+import spock.lang.Specification
+
+class DmiServiceUrlBuilderSpec extends Specification {
+
+    @Shared
+    YangModelCmHandle yangModelCmHandle = YangModelCmHandle.toYangModelCmHandle("dmiServiceName",
+            "dmiDataServiceName", "dmiModuleServiceName", new NcmpServiceCmHandle())
+
+    NcmpConfiguration.DmiProperties dmiProperties = new NcmpConfiguration.DmiProperties();
+
+    def objectUnderTest = new DmiServiceUrlBuilder(dmiProperties)
+
+    def 'Create the dmi service url with #scenario.'() {
+        given: 'uri variables'
+            dmiProperties.dmiBasePath = 'dmi';
+            def uriVars = objectUnderTest.populateUriVariables(yangModelCmHandle,
+                    "cmHandle", PASSTHROUGH_RUNNING);
+        and: 'query params'
+            def uriQueries = objectUnderTest.populateQueryParams(resourceId,
+                    'optionsParamInQuery', topicParamInQuery);
+        when: 'a dmi datastore service url is generated'
+            def dmiServiceUrl = objectUnderTest.getDmiDatastoreUrl(uriQueries, uriVars)
+        then: 'service url is generated as expected'
+            assert dmiServiceUrl == expectedDmiServiceUrl
+        where: 'the following parameters are used'
+            scenario                       | topicParamInQuery   | resourceId   || expectedDmiServiceUrl
+            'With valid resourceId'        | 'topicParamInQuery' | 'resourceId' || 'dmiServiceName/dmi/v1/ch/cmHandle/data/ds/ncmp-datastore:passthrough-running?resourceIdentifier=resourceId&options=optionsParamInQuery&topic=topicParamInQuery'
+            'With Empty resourceId'        | 'topicParamInQuery' | ''           || 'dmiServiceName/dmi/v1/ch/cmHandle/data/ds/ncmp-datastore:passthrough-running?options=optionsParamInQuery&topic=topicParamInQuery'
+            'With Empty dmi base path'     | 'topicParamInQuery' | 'resourceId' || 'dmiServiceName/dmi/v1/ch/cmHandle/data/ds/ncmp-datastore:passthrough-running?resourceIdentifier=resourceId&options=optionsParamInQuery&topic=topicParamInQuery'
+            'With Empty topicParamInQuery' | ''                  | 'resourceId' || 'dmiServiceName/dmi/v1/ch/cmHandle/data/ds/ncmp-datastore:passthrough-running?resourceIdentifier=resourceId&options=optionsParamInQuery'
+    }
+
+    def 'Populate dmi data store url #scenario.'() {
+        given: 'uri variables are created'
+            dmiProperties.dmiBasePath = dmiBasePath;
+            def uriVars = objectUnderTest.populateUriVariables(yangModelCmHandle,
+                    "cmHandle", PASSTHROUGH_RUNNING);
+        and: 'null query params'
+            def uriQueries = objectUnderTest.populateQueryParams(null,
+                    null, null);
+        when: 'a dmi datastore service url is generated'
+            def dmiServiceUrl = objectUnderTest.getDmiDatastoreUrl(uriQueries, uriVars)
+        then: 'the created dmi service url matches the expected'
+            assert dmiServiceUrl == expectedDmiServiceUrl
+        where: 'the following parameters are used'
+            scenario               | decription                                | dmiBasePath || expectedDmiServiceUrl
+            'with base path  / '   | 'Invalid base path as it starts with /'   | '/dmi'      || 'dmiServiceName//dmi/v1/ch/cmHandle/data/ds/ncmp-datastore:passthrough-running'
+            'without base path / ' | 'Valid path as it does not starts with /' | 'dmi'       || 'dmiServiceName/dmi/v1/ch/cmHandle/data/ds/ncmp-datastore:passthrough-running'
+    }
+}