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

6 files changed, 83 insertions, 24 deletions

diff --git a/cps-ncmp-rest/docs/openapi/components.yaml b/cps-ncmp-rest/docs/openapi/components.yaml
index d82813b874..4dd7e47115 100644
--- a/cps-ncmp-rest/docs/openapi/components.yaml
+++ b/cps-ncmp-rest/docs/openapi/components.yaml
@@ -329,6 +329,18 @@ components:
         sample 3:
           value:
             options: (depth=2,fields=book/authors)
+    topicParamInQuery:
+      name: topic
+      in: query
+      description: topic parameter in query.
+      required: false
+      schema:
+        type: string
+      allowReserved: true
+      examples:
+        sample 1:
+          value:
+            topic: my-topic-name
     contentParamInHeader:
       name: Content-Type
       in: header
diff --git a/cps-ncmp-rest/docs/openapi/ncmp.yml b/cps-ncmp-rest/docs/openapi/ncmp.yml
index a267fb4919..1afd7c9111 100755
--- a/cps-ncmp-rest/docs/openapi/ncmp.yml
+++ b/cps-ncmp-rest/docs/openapi/ncmp.yml
@@ -29,6 +29,7 @@ getResourceDataForPassthroughOperational:
       - $ref: 'components.yaml#/components/parameters/resourceIdentifierInQuery'
       - $ref: 'components.yaml#/components/parameters/acceptParamInHeader'
       - $ref: 'components.yaml#/components/parameters/optionsParamInQuery'
+      - $ref: 'components.yaml#/components/parameters/topicParamInQuery'
     responses:
       200:
         description: OK
@@ -60,6 +61,7 @@ resourceDataForPassthroughRunning:
       - $ref: 'components.yaml#/components/parameters/resourceIdentifierInQuery'
       - $ref: 'components.yaml#/components/parameters/acceptParamInHeader'
       - $ref: 'components.yaml#/components/parameters/optionsParamInQuery'
+      - $ref: 'components.yaml#/components/parameters/topicParamInQuery'
     responses:
       200:
         description: OK
diff --git a/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/NetworkCmProxyController.java b/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/NetworkCmProxyController.java
index 86f4460eaa..385180d8b7 100755
--- a/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/NetworkCmProxyController.java
+++ b/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/NetworkCmProxyController.java
@@ -76,17 +76,20 @@ public class NetworkCmProxyController implements NetworkCmProxyApi {
      * @param resourceIdentifier resource identifier
      * @param acceptParamInHeader accept header parameter
      * @param optionsParamInQuery options query parameter
+     * @param topicParamInQuery topic query parameter
      * @return {@code ResponseEntity} response from dmi plugin
      */
     @Override
     public ResponseEntity<Object> getResourceDataOperationalForCmHandle(final String cmHandle,
                                                                         final @NotNull @Valid String resourceIdentifier,
                                                                         final String acceptParamInHeader,
-                                                                        final @Valid String optionsParamInQuery) {
+                                                                        final @Valid String optionsParamInQuery,
+                                                                        final @Valid String topicParamInQuery) {
         final Object responseObject = networkCmProxyDataService.getResourceDataOperationalForCmHandle(cmHandle,
                 resourceIdentifier,
                 acceptParamInHeader,
-                optionsParamInQuery);
+                optionsParamInQuery,
+                topicParamInQuery);
         return ResponseEntity.ok(responseObject);
     }
 
@@ -97,17 +100,20 @@ public class NetworkCmProxyController implements NetworkCmProxyApi {
      * @param resourceIdentifier resource identifier
      * @param acceptParamInHeader accept header parameter
      * @param optionsParamInQuery options query parameter
+     * @param topicParamInQuery topic query parameter
      * @return {@code ResponseEntity} response from dmi plugin
      */
     @Override
     public ResponseEntity<Object> getResourceDataRunningForCmHandle(final String cmHandle,
                                                                     final @NotNull @Valid String resourceIdentifier,
                                                                     final String acceptParamInHeader,
-                                                                    final @Valid String optionsParamInQuery) {
+                                                                    final @Valid String optionsParamInQuery,
+                                                                    final @Valid String topicParamInQuery) {
         final Object responseObject = networkCmProxyDataService.getResourceDataPassThroughRunningForCmHandle(cmHandle,
                 resourceIdentifier,
                 acceptParamInHeader,
-                optionsParamInQuery);
+                optionsParamInQuery,
+                topicParamInQuery);
         return ResponseEntity.ok(responseObject);
     }
 
diff --git a/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandler.java b/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandler.java
index 5aaf1c31f0..2495f36426 100755
--- a/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandler.java
+++ b/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandler.java
@@ -30,6 +30,7 @@ import org.onap.cps.ncmp.rest.controller.NetworkCmProxyController;
 import org.onap.cps.ncmp.rest.controller.NetworkCmProxyInventoryController;
 import org.onap.cps.ncmp.rest.model.ErrorMessage;
 import org.onap.cps.spi.exceptions.CpsException;
+import org.onap.cps.spi.exceptions.DataNodeNotFoundException;
 import org.onap.cps.spi.exceptions.DataValidationException;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -69,6 +70,11 @@ public class NetworkCmProxyRestExceptionHandler {
         return buildErrorResponse(HttpStatus.BAD_REQUEST, exception);
     }
 
+    @ExceptionHandler({DataNodeNotFoundException.class})
+    public static ResponseEntity<Object> handleNotFoundExceptions(final CpsException exception) {
+        return buildErrorResponse(HttpStatus.NOT_FOUND, exception);
+    }
+
     private static ResponseEntity<Object> buildErrorResponse(final HttpStatus status, final Exception exception) {
         if (exception.getCause() != null || !(exception instanceof CpsException)) {
             log.error("Exception occurred", exception);
diff --git a/cps-ncmp-rest/src/test/groovy/org/onap/cps/ncmp/rest/controller/NetworkCmProxyControllerSpec.groovy b/cps-ncmp-rest/src/test/groovy/org/onap/cps/ncmp/rest/controller/NetworkCmProxyControllerSpec.groovy
index c99771443a..9cbf626ba9 100644
--- a/cps-ncmp-rest/src/test/groovy/org/onap/cps/ncmp/rest/controller/NetworkCmProxyControllerSpec.groovy
+++ b/cps-ncmp-rest/src/test/groovy/org/onap/cps/ncmp/rest/controller/NetworkCmProxyControllerSpec.groovy
@@ -24,6 +24,7 @@ package org.onap.cps.ncmp.rest.controller
 
 
 import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle
+import spock.lang.Shared
 
 import static org.onap.cps.ncmp.api.impl.operations.DmiRequestBody.OperationEnum.PATCH
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete
@@ -70,7 +71,10 @@ class NetworkCmProxyControllerSpec extends Specification {
 
     def requestBody = '{"some-key":"some-value"}'
 
-    def 'Get Resource Data from pass-through operational.' () {
+    @Shared
+    def NO_TOPIC = null
+
+    def 'Get Resource Data from pass-through operational.'() {
         given: 'resource data url'
             def getUrl = "$ncmpBasePathV1/ch/testCmHandle/data/ds/ncmp-datastore:passthrough-operational" +
                     "?resourceIdentifier=parent/child&options=(a=1,b=2)"
@@ -84,12 +88,40 @@ class NetworkCmProxyControllerSpec extends Specification {
             1 * mockNetworkCmProxyDataService.getResourceDataOperationalForCmHandle('testCmHandle',
                     'parent/child',
                     'application/json',
-                    '(a=1,b=2)')
+                    '(a=1,b=2)',
+                    NO_TOPIC)
+        and: 'response status is Ok'
+            response.status == HttpStatus.OK.value()
+    }
+
+    def 'Get Resource Data from pass-through operational with #scenario.'() {
+        given: 'resource data url'
+            def getUrl = "$ncmpBasePathV1/ch/testCmHandle/data/ds/ncmp-datastore:passthrough-operational" +
+                    "?resourceIdentifier=parent/child&options=(a=1,b=2)${topicQueryParam}"
+        when: 'get data resource request is performed'
+            def response = mvc.perform(
+                    get(getUrl)
+                    .contentType(MediaType.APPLICATION_JSON)
+                    .accept(MediaType.APPLICATION_JSON_VALUE)
+            ).andReturn().response
+        then: 'the NCMP data service is called with operational data for cm handle'
+            1 * mockNetworkCmProxyDataService.getResourceDataOperationalForCmHandle('testCmHandle',
+                    'parent/child',
+                    'application/json',
+                    '(a=1,b=2)',
+                    expectedTopicName)
         and: 'response status is Ok'
             response.status == HttpStatus.OK.value()
+        where: 'the following parameters are used'
+            scenario               | topicQueryParam        || expectedTopicName
+            'Url with valid topic' | "&topic=my-topic-name" || "my-topic-name"
+            'No topic in url'      | ''                     || NO_TOPIC
+            'Null topic in url'    | "&topic=null"          || "null"
+            'Empty topic in url'   | "&topic=\"\""          || "\"\""
+            'Missing topic in url' | "&topic="              || ""
     }
 
-    def 'Get Resource Data from pass-through running with #scenario value in resource identifier param.' () {
+    def 'Get Resource Data from pass-through running with #scenario value in resource identifier param.'() {
         given: 'resource data url'
             def getUrl = "$ncmpBasePathV1/ch/testCmHandle/data/ds/ncmp-datastore:passthrough-running" +
                     "?resourceIdentifier=" + resourceIdentifier + "&options=(a=1,b=2)"
@@ -97,7 +129,8 @@ class NetworkCmProxyControllerSpec extends Specification {
             mockNetworkCmProxyDataService.getResourceDataPassThroughRunningForCmHandle('testCmHandle',
                     resourceIdentifier,
                     'application/json',
-                    '(a=1,b=2)') >> '{valid-json}'
+                    '(a=1,b=2)',
+                    NO_TOPIC) >> '{valid-json}'
         when: 'get data resource request is performed'
             def response = mvc.perform(
                     get(getUrl)
diff --git a/cps-ncmp-rest/src/test/groovy/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandlerSpec.groovy b/cps-ncmp-rest/src/test/groovy/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandlerSpec.groovy
index 8004328bc2..260ffd2132 100644
--- a/cps-ncmp-rest/src/test/groovy/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandlerSpec.groovy
+++ b/cps-ncmp-rest/src/test/groovy/org/onap/cps/ncmp/rest/exceptions/NetworkCmProxyRestExceptionHandlerSpec.groovy
@@ -45,6 +45,7 @@ import static org.onap.cps.ncmp.rest.exceptions.NetworkCmProxyRestExceptionHandl
 import static org.onap.cps.ncmp.rest.exceptions.NetworkCmProxyRestExceptionHandlerSpec.ApiType.NCMPINVENTORY
 import static org.springframework.http.HttpStatus.BAD_REQUEST
 import static org.springframework.http.HttpStatus.INTERNAL_SERVER_ERROR
+import static org.springframework.http.HttpStatus.NOT_FOUND
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post
 
@@ -76,40 +77,39 @@ class NetworkCmProxyRestExceptionHandlerSpec extends Specification {
     def dataNodeBaseEndpointNcmpInventory
 
     @Shared
-    def errorMessage = 'some error message'
+    def sampleErrorMessage = 'some error message'
     @Shared
-    def errorDetails = 'some error details'
-    @Shared
-    def dataNodeNotFoundErrorMessage = 'DataNode not found'
+    def sampleErrorDetails = 'some error details'
 
     def setup() {
         dataNodeBaseEndpointNcmp = "$basePathNcmp/v1"
         dataNodeBaseEndpointNcmpInventory = "$basePathNcmpInventory/v1"
     }
 
-    def 'Get request with generic #scenario exception returns correct HTTP Status.'() {
+    def 'Get request with generic #scenario exception returns correct HTTP Status with #scenario'() {
         when: 'an exception is thrown by the service'
             setupTestException(exception, NCMP)
             def response = performTestRequest(NCMP)
         then: 'an HTTP response is returned with correct message and details'
             assertTestResponse(response, expectedErrorCode, expectedErrorMessage, expectedErrorDetails)
         where:
-            scenario              | exception                                                                 || expectedErrorDetails | expectedErrorMessage          | expectedErrorCode
-            'CPS'                 | new CpsException(errorMessage, errorDetails)                              || errorDetails         |  errorMessage                 | INTERNAL_SERVER_ERROR
-            'NCMP-server'         | new ServerNcmpException(errorMessage, errorDetails)                       || null                 |  errorMessage                 | INTERNAL_SERVER_ERROR
-            'NCMP-client'         | new DmiRequestException(errorMessage, errorDetails)                       || null                 |  errorMessage                 | BAD_REQUEST
-            'DataNode Validation' | new DataNodeNotFoundException(dataNodeNotFoundErrorMessage, errorDetails) || null                 |  dataNodeNotFoundErrorMessage | BAD_REQUEST
-            'other'               | new IllegalStateException(errorMessage)                                   || null                 |  errorMessage                 | INTERNAL_SERVER_ERROR
+            scenario              | exception                                                        || expectedErrorDetails | expectedErrorMessage | expectedErrorCode
+            'CPS'                 | new CpsException(sampleErrorMessage, sampleErrorDetails)         || sampleErrorDetails   | sampleErrorMessage   | INTERNAL_SERVER_ERROR
+            'NCMP-server'         | new ServerNcmpException(sampleErrorMessage, sampleErrorDetails)  || null                 | sampleErrorMessage   | INTERNAL_SERVER_ERROR
+            'NCMP-client'         | new DmiRequestException(sampleErrorMessage, sampleErrorDetails)  || null                 | sampleErrorMessage   | BAD_REQUEST
+            'DataNode Validation' | new DataNodeNotFoundException('myDataspaceName', 'myAnchorName') || null                 | 'DataNode not found' | NOT_FOUND
+            'other'               | new IllegalStateException(sampleErrorMessage)                    || null                 | sampleErrorMessage   | INTERNAL_SERVER_ERROR
+            'Data Node Not Found' | new DataNodeNotFoundException('myDataspaceName', 'myAnchorName') || 'DataNode not found' | 'DataNode not found' | NOT_FOUND
     }
 
     def 'Post request with exception returns correct HTTP Status.'() {
         given: 'the service throws data validation exception'
-            def exception = new DataValidationException(errorMessage, errorDetails)
+            def exception = new DataValidationException(sampleErrorMessage, sampleErrorDetails)
             setupTestException(exception, NCMPINVENTORY)
         when: 'the HTTP request is made'
             def response = performTestRequest(NCMPINVENTORY)
         then: 'an HTTP response is returned with correct message and details'
-            assertTestResponse(response, BAD_REQUEST, errorMessage, errorDetails)
+            assertTestResponse(response, BAD_REQUEST, sampleErrorMessage, sampleErrorDetails)
     }
 
     def setupTestException(exception, apiType) {
@@ -130,9 +130,9 @@ class NetworkCmProxyRestExceptionHandlerSpec extends Specification {
     static void assertTestResponse(response, expectedStatus , expectedErrorMessage , expectedErrorDetails) {
         assert response.status == expectedStatus.value()
         def content = new JsonSlurper().parseText(response.contentAsString)
-        assert content['status'] == expectedStatus.toString()
-        assert content['message'] == expectedErrorMessage
-        assert expectedErrorDetails == null || content['details'] == expectedErrorDetails
+        assert content['status'].toString().contains(expectedStatus.toString())
+        assert content['message'].toString().contains(expectedErrorMessage)
+        assert expectedErrorDetails == null || content['details'].toString().contains(expectedErrorDetails)
     }
 
     enum ApiType {