Address Sonar Qube issues

- Add some basic test for missed coverage
- Refactored NetworkCmProxyDataServiceImpl to addres duplcaied code and code coverage
- Increased Coverage treshold where possible

Issue-ID: CPS-475
Signed-off-by: ToineSiebelink <toine.siebelink@est.tech>
Change-Id: Id05f41ac242aeaf57606748009c0e370199e054f

6 files changed, 118 insertions, 70 deletions

diff --git a/cps-ncmp-service/pom.xml b/cps-ncmp-service/pom.xml
index 0ee81c784c..ac2593998c 100644
--- a/cps-ncmp-service/pom.xml
+++ b/cps-ncmp-service/pom.xml
@@ -33,7 +33,7 @@
     <artifactId>cps-ncmp-service</artifactId>
 
     <properties>
-        <minimum-coverage>0.87</minimum-coverage>
+        <minimum-coverage>0.90</minimum-coverage>
     </properties>
 
     <dependencies>
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java
index a28b73c427..719508b6c5 100755
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/NetworkCmProxyDataServiceImpl.java
@@ -149,14 +149,18 @@ public class NetworkCmProxyDataServiceImpl implements NetworkCmProxyDataService
 
     @Override
     public void updateDmiRegistrationAndSyncModule(final DmiPluginRegistration dmiPluginRegistration) {
-        if (dmiPluginRegistration.getCreatedCmHandles() != null) {
-            parseAndCreateCmHandlesInDmiRegistrationAndSyncModule(dmiPluginRegistration);
-        }
-        if (dmiPluginRegistration.getUpdatedCmHandles() != null) {
-            parseAndUpdateCmHandlesInDmiRegistration(dmiPluginRegistration);
-        }
-        if (dmiPluginRegistration.getRemovedCmHandles() != null) {
-            parseAndRemoveCmHandlesInDmiRegistration(dmiPluginRegistration);
+        try {
+            if (dmiPluginRegistration.getCreatedCmHandles() != null) {
+                parseAndCreateCmHandlesInDmiRegistrationAndSyncModule(dmiPluginRegistration);
+            }
+            if (dmiPluginRegistration.getUpdatedCmHandles() != null) {
+                parseAndUpdateCmHandlesInDmiRegistration(dmiPluginRegistration);
+            }
+            if (dmiPluginRegistration.getRemovedCmHandles() != null) {
+                parseAndRemoveCmHandlesInDmiRegistration(dmiPluginRegistration);
+            }
+        } catch (final JsonProcessingException e) {
+            handleJsonProcessingException(dmiPluginRegistration, e);
         }
     }
 
@@ -286,38 +290,32 @@ public class NetworkCmProxyDataServiceImpl implements NetworkCmProxyDataService
         return prepareOperationBody(requestBodyObject);
     }
 
-    private void parseAndUpdateCmHandlesInDmiRegistration(final DmiPluginRegistration dmiPluginRegistration) {
-        try {
-            final PersistenceCmHandlesList persistenceCmHandlesList = new PersistenceCmHandlesList();
-
-            for (final CmHandle cmHandle : dmiPluginRegistration.getUpdatedCmHandles()) {
-                final PersistenceCmHandle persistenceCmHandle =
-                    toPersistenceCmHandle(dmiPluginRegistration.getDmiPlugin(), cmHandle);
-                persistenceCmHandlesList.add(persistenceCmHandle);
-            }
-            final String cmHandlesJsonData = objectMapper.writeValueAsString(persistenceCmHandlesList);
-            cpsDataService.updateNodeLeavesAndExistingDescendantLeaves(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
-                "/dmi-registry", cmHandlesJsonData, NO_TIMESTAMP);
-        } catch (final JsonProcessingException e) {
-            handleJsonProcessingException(dmiPluginRegistration, e);
-        }
+    private void parseAndUpdateCmHandlesInDmiRegistration(final DmiPluginRegistration dmiPluginRegistration)
+        throws JsonProcessingException {
+        final PersistenceCmHandlesList updatedPersistenceCmHandlesList = toPersistenceCmHandlesList(
+            dmiPluginRegistration.getDmiPlugin(),
+            dmiPluginRegistration.getUpdatedCmHandles());
+        final String cmHandlesAsJson = objectMapper.writeValueAsString(updatedPersistenceCmHandlesList);
+        cpsDataService.updateNodeLeavesAndExistingDescendantLeaves(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR,
+                "/dmi-registry", cmHandlesAsJson, NO_TIMESTAMP);
     }
 
     private void parseAndCreateCmHandlesInDmiRegistrationAndSyncModule(
-        final DmiPluginRegistration dmiPluginRegistration) {
-        try {
-            final var persistenceCmHandlesList = new PersistenceCmHandlesList();
-            for (final CmHandle cmHandle : dmiPluginRegistration.getCreatedCmHandles()) {
-                final PersistenceCmHandle persistenceCmHandle =
-                    toPersistenceCmHandle(dmiPluginRegistration.getDmiPlugin(), cmHandle);
-                persistenceCmHandlesList.add(persistenceCmHandle);
-            }
-            final String cmHandleJsonData = objectMapper.writeValueAsString(persistenceCmHandlesList);
+        final DmiPluginRegistration dmiPluginRegistration) throws JsonProcessingException {
+        final PersistenceCmHandlesList createdPersistenceCmHandlesList = toPersistenceCmHandlesList(
+            dmiPluginRegistration.getDmiPlugin(),
+            dmiPluginRegistration.getCreatedCmHandles());
+        registerAndSyncNewCmHandles(createdPersistenceCmHandlesList);
+    }
 
-            registerAndSyncNode(persistenceCmHandlesList, cmHandleJsonData);
-        } catch (final JsonProcessingException e) {
-            handleJsonProcessingException(dmiPluginRegistration, e);
+    private static PersistenceCmHandlesList toPersistenceCmHandlesList(final String dmiPlugin,
+                                                                       final Collection<CmHandle> cmHandles) {
+        final PersistenceCmHandlesList persistenceCmHandlesList = new PersistenceCmHandlesList();
+        for (final CmHandle cmHandle : cmHandles) {
+            final PersistenceCmHandle persistenceCmHandle = toPersistenceCmHandle(dmiPlugin, cmHandle);
+            persistenceCmHandlesList.add(persistenceCmHandle);
         }
+        return persistenceCmHandlesList;
     }
 
     private static void handleJsonProcessingException(final DmiPluginRegistration dmiPluginRegistration,
@@ -328,8 +326,9 @@ public class NetworkCmProxyDataServiceImpl implements NetworkCmProxyDataService
         throw new DataValidationException(message, e.getMessage(), e);
     }
 
-    private void registerAndSyncNode(final PersistenceCmHandlesList persistenceCmHandlesList,
-                                     final String cmHandleJsonData) {
+    private void registerAndSyncNewCmHandles(final PersistenceCmHandlesList persistenceCmHandlesList)
+        throws JsonProcessingException  {
+        final String cmHandleJsonData = objectMapper.writeValueAsString(persistenceCmHandlesList);
         cpsDataService.saveListNodeData(NCMP_DATASPACE_NAME, NCMP_DMI_REGISTRY_ANCHOR, "/dmi-registry",
             cmHandleJsonData, NO_TIMESTAMP);
 
@@ -435,7 +434,7 @@ public class NetworkCmProxyDataServiceImpl implements NetworkCmProxyDataService
     private static YangResource toYangResource(final JsonObject yangResourceAsJson) {
         final YangResource yangResource = new YangResource();
         yangResource.setModuleName(yangResourceAsJson.get("moduleName").getAsString());
-        yangResource.setRevision(yangResourceAsJson.get("revision").getAsString());
+        yangResource.setRevision(yangResourceAsJson.get(REVISION).getAsString());
         final String yangSourceJson = yangResourceAsJson.get("yangSource").getAsString();
 
         String yangSource = JsonUtils.removeWrappingTokens(yangSourceJson);
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 8739355c8b..55dd26bda5 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
@@ -67,14 +67,24 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
     def noTimestamp = null
     def cmHandleXPath = "/dmi-registry/cm-handles[@id='testCmHandle']"
     def cmHandleForModelSync = new PersistenceCmHandle(id:'some cm handle', dmiServiceName: 'some service name')
-
     def expectedDataspaceName = 'NFP-Operational'
+
+
+    def 'Get data node.'() {
+        when: 'queryDataNodes is invoked'
+            objectUnderTest.getDataNode(cmHandle, 'some xpath', fetchDescendantsOption)
+        then: 'the persistence data service is called once with the correct parameters'
+            1 * mockCpsDataService.getDataNode(expectedDataspaceName, cmHandle, 'some xpath', fetchDescendantsOption)
+        where: 'all fetch descendants options are supported'
+            fetchDescendantsOption << FetchDescendantsOption.values()
+    }
+
     def 'Query data nodes by cps path with #fetchDescendantsOption.'() {
         given: 'a cm Handle and a cps path'
             def cpsPath = '/cps-path'
         when: 'queryDataNodes is invoked'
             objectUnderTest.queryDataNodes(cmHandle, cpsPath, fetchDescendantsOption)
-        then: 'the persistence service is called once with the correct parameters'
+        then: 'the persistence query service is called once with the correct parameters'
             1 * mockCpsQueryService.queryDataNodes(expectedDataspaceName, cmHandle, cpsPath, fetchDescendantsOption)
         where: 'all fetch descendants options are supported'
             fetchDescendantsOption << FetchDescendantsOption.values()
@@ -214,7 +224,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
 
     def 'Get resource data for pass-through operational from dmi.'() {
         given: 'data node representing cmHandle and its properties'
-            def cmHandleDataNode = getCmHandleDataNodeForTest()
+            def cmHandleDataNode = getCmHandleDataNodeForTest(true)
         and: 'data node is got from data service'
             mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
                 cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> cmHandleDataNode
@@ -238,7 +248,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
 
     def 'Get resource data for pass-through operational from dmi threw parsing exception.'() {
         given: 'data node representing cmHandle and its properties'
-            def cmHandleDataNode = getCmHandleDataNodeForTest()
+            def cmHandleDataNode = getCmHandleDataNodeForTest(true)
         and: 'cps data service returns valid cmHandle data node'
             mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
                     cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> cmHandleDataNode
@@ -259,7 +269,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
 
     def 'Get resource data for pass-through operational from dmi return NOK response.'() {
         given: 'data node representing cmHandle and its properties'
-            def cmHandleDataNode = getCmHandleDataNodeForTest()
+            def cmHandleDataNode = getCmHandleDataNodeForTest(true)
         and: 'cps data service returns valid cmHandle data node'
             mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
                     cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> cmHandleDataNode
@@ -286,7 +296,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
 
     def 'Get resource data for pass-through running from dmi.'() {
         given: 'data node representing cmHandle and its properties'
-            def cmHandleDataNode = getCmHandleDataNodeForTest()
+            def cmHandleDataNode = getCmHandleDataNodeForTest(true)
         and: 'cpsDataService returns valid dataNode'
             mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
                     cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> cmHandleDataNode
@@ -310,7 +320,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
 
     def 'Get resource data for pass-through running from dmi threw parsing exception.'() {
         given: 'data node representing cmHandle and its properties'
-            def cmHandleDataNode = getCmHandleDataNodeForTest()
+            def cmHandleDataNode = getCmHandleDataNodeForTest(true)
         and: 'cpsDataService returns valid dataNode'
             mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
                     cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> cmHandleDataNode
@@ -331,7 +341,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
 
     def 'Get resource data for pass-through running from dmi return NOK response.'() {
         given: 'data node representing cmHandle and its properties'
-            def cmHandleDataNode = getCmHandleDataNodeForTest()
+            def cmHandleDataNode = getCmHandleDataNodeForTest(true)
         and: 'cpsDataService returns valid dataNode'
             mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
                     cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> cmHandleDataNode
@@ -356,9 +366,9 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
             exceptionThrown.details.contains('NOK-json')
     }
 
-    def 'Write resource data for pass-through running from dmi using POST.'() {
-        given: 'data node representing cmHandle and its properties'
-            def cmHandleDataNode = getCmHandleDataNodeForTest()
+    def 'Write resource data for pass-through running from dmi using POST #scenario cm handle properties.'() {
+        given: 'data node representing cmHandle #scenario cm handle properties'
+            def cmHandleDataNode = getCmHandleDataNodeForTest(includeCmHandleProperties)
         and: 'cpsDataService returns valid cm-handle datanode'
             mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
                     cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> cmHandleDataNode
@@ -370,13 +380,18 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
             1 * mockDmiOperations.createResourceDataPassThroughRunningFromDmi('testDmiService',
                 'testCmHandle',
                 'testResourceId',
-                '{"operation":"create","dataType":"application/json","data":"{some-json}","cmHandleProperties":{"testName":"testValue"}}')
+                '{"operation":"create","dataType":"application/json","data":"{some-json}","cmHandleProperties":'
+                + expectedJsonForCmhandleProperties+ '}')
                 >> { new ResponseEntity<>(HttpStatus.OK) }
+        where:
+            scenario  | includeCmHandleProperties || expectedJsonForCmhandleProperties
+            'with'    | true                       || '{"testName":"testValue"}'
+            'without' | false                      || '{}'
     }
 
     def 'Write resource data for pass-through running from dmi using POST "not found" response (from DMI).'() {
         given: 'data node representing cmHandle and its properties'
-            def cmHandleDataNode = getCmHandleDataNodeForTest()
+            def cmHandleDataNode = getCmHandleDataNodeForTest(true)
         and: 'cpsDataService returns valid dataNode'
             mockCpsDataService.getDataNode('NCMP-Admin', 'ncmp-dmi-registry',
                     cmHandleXPath, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS) >> cmHandleDataNode
@@ -394,7 +409,7 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
     }
 
     def 'Sync model for a (new) cm handle with #scenario'() {
-        given: 'DMI PLug-in returns a list of module references'
+        given: 'DMI Plug-in returns a list of module references'
             getModulesForCmHandle()
             def knownModule1 = new ModuleReference('module1', '1')
             def knownOtherModule = new ModuleReference('some other module', 'some revision')
@@ -409,12 +424,13 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
             1 * mockCpsModuleService.createSchemaSetFromModules(expectedDataspaceName, cmHandleForModelSync.getId(), expectedYangResourceToContentMap, [knownModule1])
         and: 'admin service create anchor method has been called with correct parameters'
             1 * mockCpsAdminService.createAnchor(expectedDataspaceName, cmHandleForModelSync.getId(), cmHandleForModelSync.getId())
-        where: 'the following responses are recieved from SDNC'
+        where: 'the following responses are received from SDNC'
             scenario             | sdncReponseBody                                                                        || expectedYangResourceToContentMap
             'one unknown module' | '[{"moduleName" : "someModule", "revision" : "1","yangSource": "[some yang source]"}]' || [someModule: 'some yang source']
             'no unknown module'  | '[]'                                                                                   || [:]
     }
 
+
     def 'Getting Yang Resources.'() {
         when: 'yang resources is called'
             objectUnderTest.getYangResourcesModuleReferences('some cm handle')
@@ -426,7 +442,6 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
         def jsonData = TestUtils.getResourceFileContent('cmHandleModules.json')
         mockDmiProperties.getAuthUsername() >> 'someUser'
         mockDmiProperties.getAuthPassword() >> 'somePassword'
-        mockDmiProperties.getDmiPluginBasePath() >> 'someUrl'
         def moduleReferencesFromCmHandleAsJson = new ResponseEntity<String>(jsonData, HttpStatus.OK)
         mockDmiOperations.getResourceFromDmi(_, cmHandleForModelSync.getId(), 'modules') >> moduleReferencesFromCmHandleAsJson
     }
@@ -438,12 +453,14 @@ class NetworkCmProxyDataServiceImplSpec extends Specification {
         return objectUnderTest
     }
 
-    def getCmHandleDataNodeForTest() {
+    def getCmHandleDataNodeForTest(boolean includeCmHandleProperties) {
         def cmHandleDataNode = new DataNode()
         cmHandleDataNode.leaves = ['dmi-service-name': 'testDmiService']
-        def cmHandlePropertyDataNode = new DataNode()
-        cmHandlePropertyDataNode.leaves = ['name': 'testName', 'value': 'testValue']
-        cmHandleDataNode.childDataNodes = [cmHandlePropertyDataNode]
+        if (includeCmHandleProperties) {
+            def cmHandlePropertyDataNode = new DataNode()
+            cmHandlePropertyDataNode.leaves = ['name': 'testName', 'value': 'testValue']
+            cmHandleDataNode.childDataNodes = [cmHandlePropertyDataNode]
+        }
         return cmHandleDataNode
     }
 
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/client/DmiRestClientSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/client/DmiRestClientSpec.groovy
index bf6179ba1b..a1779a7576 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/client/DmiRestClientSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/client/DmiRestClientSpec.groovy
@@ -41,27 +41,34 @@ class DmiRestClientSpec extends Specification {
 
     @Autowired
     DmiRestClient objectUnderTest
+    def resourceUrl = 'some url'
 
     def 'DMI PUT operation.'() {
-        given: 'a PUT url'
-            def getResourceDataUrl = 'http://some-uri/getResourceDataUrl'
-        and: 'the rest template returns a valid response entity'
+        given: 'the rest template returns a valid response entity'
             def mockResponseEntity = Mock(ResponseEntity)
-            mockRestTemplate.exchange(getResourceDataUrl, HttpMethod.PUT, _ as HttpEntity, Object.class) >> mockResponseEntity
+            mockRestTemplate.exchange(resourceUrl, HttpMethod.PUT, _ as HttpEntity, Object.class) >> mockResponseEntity
         when: 'PUT operation is invoked'
-            def result = objectUnderTest.putOperationWithJsonData(getResourceDataUrl, 'json-data', new HttpHeaders())
+            def result = objectUnderTest.putOperationWithJsonData(resourceUrl, 'json-data', new HttpHeaders())
         then: 'the output of the method is equal to the output from the test template'
             result == mockResponseEntity
     }
 
-    def 'DMI POST operation.'() {
-        given: 'a POST url'
-            def getResourceDataUrl = 'http://some-uri/createResourceDataUrl'
-        and: 'the rest template returns a valid response entity'
+    def 'DMI POST operation'() {
+        given: 'the rest template returns a valid response entity'
             def mockResponseEntity = Mock(ResponseEntity)
-            mockRestTemplate.postForEntity(getResourceDataUrl, _ as HttpEntity, String.class) >> mockResponseEntity
+            mockRestTemplate.exchange(resourceUrl, HttpMethod.POST, _ as HttpEntity, String.class) >> mockResponseEntity
         when: 'POST operation is invoked'
-            def result = objectUnderTest.postOperationWithJsonData(getResourceDataUrl, 'json-data', new HttpHeaders())
+            def result = objectUnderTest.postOperation(resourceUrl, new HttpHeaders())
+        then: 'the output of the method is equal to the output from the rest template'
+            result == mockResponseEntity
+    }
+
+    def 'DMI POST operation with JSON.'() {
+        given: 'the rest template returns a valid response entity'
+            def mockResponseEntity = Mock(ResponseEntity)
+            mockRestTemplate.postForEntity(resourceUrl, _ as HttpEntity, String.class) >> mockResponseEntity
+        when: 'POST operation is invoked'
+            def result = objectUnderTest.postOperationWithJsonData(resourceUrl, 'json-data', new HttpHeaders())
         then: 'the output of the method is equal to the output from the test template'
             result == mockResponseEntity
     }
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/config/NcmpConfigurationSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/config/NcmpConfigurationSpec.groovy
index dd4c1375b0..2c4ba68f29 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/config/NcmpConfigurationSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/config/NcmpConfigurationSpec.groovy
@@ -33,6 +33,11 @@ class NcmpConfigurationSpec extends Specification{
     @Autowired
     NcmpConfiguration.DmiProperties dmiProperties
 
+    def 'NcmpConfiguration Construction.'() {
+        expect: 'the system can create an instance'
+             new NcmpConfiguration() != null
+    }
+
     def 'DMI Properties.'() {
         expect: 'properties are set to values in test configuration yaml file'
             dmiProperties.authUsername == 'some-user'
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/models/YangResourceTest.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/models/YangResourceTest.groovy
new file mode 100644
index 0000000000..0a0c84e256
--- /dev/null
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/models/YangResourceTest.groovy
@@ -0,0 +1,20 @@
+package org.onap.cps.ncmp.api.models
+
+import spock.lang.Specification
+
+class YangResourceSpec extends Specification {
+
+    YangResource objectUnderTest = new YangResource(moduleName: 'module name',
+                                                    revision:'revision',
+                                                    yangSource:'source')
+
+    def 'Yang resource attributes'() {
+        expect: 'correct module name'
+            objectUnderTest.moduleName == 'module name'
+        and: 'correct revision (this property is not used in production code, hence the need for this test)'
+            objectUnderTest.revision == 'revision'
+        and: 'correct yang source'
+            objectUnderTest.yangSource == 'source'
+    }
+
+}