Fix SonarQube Coverage for test cases

NfProxy Test Coverage
Issue-ID: CPS-89

Signed-off-by: Hanif Kukkalli <lte-ng@outlook.com>
Change-Id: I7314e3fb1557d2f47f03db9c4ac12b0bf86c63b2

2 files changed, 129 insertions, 0 deletions

diff --git a/cps-nf-proxy-rest/src/test/groovy/org/onap/cps/nfproxy/config/NfProxyConfigSpec.groovy b/cps-nf-proxy-rest/src/test/groovy/org/onap/cps/nfproxy/config/NfProxyConfigSpec.groovy
new file mode 100644
index 0000000000..da021218d2
--- /dev/null
+++ b/cps-nf-proxy-rest/src/test/groovy/org/onap/cps/nfproxy/config/NfProxyConfigSpec.groovy
@@ -0,0 +1,32 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 highstreet technologies GmbH
+ *  ================================================================================
+ *  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.nfproxy.config
+
+import spock.lang.Specification
+import springfox.documentation.spring.web.plugins.Docket
+
+class NfProxyConfigSpec extends Specification {
+    def objectUnderTest = new NfProxyConfig()
+
+    def 'NfProxy configuration has a Docket API.'() {
+        expect: 'the NfProxy configuration has a Docket API'
+            objectUnderTest.api() instanceof Docket
+    }
+}
diff --git a/cps-nf-proxy-rest/src/test/groovy/org/onap/cps/nfproxy/rest/exceptions/NfProxyRestExceptionHandlerSpec.groovy b/cps-nf-proxy-rest/src/test/groovy/org/onap/cps/nfproxy/rest/exceptions/NfProxyRestExceptionHandlerSpec.groovy
new file mode 100644
index 0000000000..73b57c5f9b
--- /dev/null
+++ b/cps-nf-proxy-rest/src/test/groovy/org/onap/cps/nfproxy/rest/exceptions/NfProxyRestExceptionHandlerSpec.groovy
@@ -0,0 +1,97 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 highstreet technologies GmbH
+ *  ================================================================================
+ *  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.nfproxy.rest.exceptions
+
+import groovy.json.JsonSlurper
+import org.onap.cps.nfproxy.api.NfProxyDataService
+import org.onap.cps.spi.FetchDescendantsOption
+import org.onap.cps.spi.exceptions.CpsException
+import org.spockframework.spring.SpringBean
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest
+import org.springframework.test.web.servlet.MockMvc
+import spock.lang.Shared
+import spock.lang.Specification
+
+import static org.springframework.http.HttpStatus.INTERNAL_SERVER_ERROR
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get
+
+@WebMvcTest
+class NfProxyRestExceptionHandlerSpec extends Specification {
+
+    @Autowired
+    MockMvc mvc
+
+    @SpringBean
+    NfProxyDataService mockNfProxyDataService = Mock()
+
+    @Value('${rest.api.xnf-base-path}')
+    def basePath
+
+    def dataNodeBaseEndpoint
+
+    @Shared
+    def errorMessage = 'some error message'
+    @Shared
+    def errorDetails = 'some error details'
+
+    def cmHandle = 'some handle'
+    def xpath = 'some xpath'
+
+    def setup() {
+        dataNodeBaseEndpoint = "$basePath/v1"
+    }
+
+    def 'Get request with runtime exception returns HTTP Status Internal Server Error.'() {
+        when: 'runtime exception is thrown by the service'
+            setupTestException(new IllegalStateException(errorMessage))
+            def response = performTestRequest()
+        then: 'an HTTP Internal Server Error response is returned with correct message and details'
+            assertTestResponse(response, INTERNAL_SERVER_ERROR, errorMessage, null)
+    }
+
+    def 'Get request with generic CPS exception returns HTTP Status Internal Server Error.'() {
+        when: 'generic CPS exception is thrown by the service'
+            setupTestException(new CpsException(errorMessage, errorDetails))
+            def response = performTestRequest()
+        then: 'an HTTP Internal Server Error response is returned with correct message and details'
+            assertTestResponse(response, INTERNAL_SERVER_ERROR, errorMessage, errorDetails)
+    }
+
+    def setupTestException(exception) {
+        mockNfProxyDataService.getDataNode(cmHandle, xpath, FetchDescendantsOption.OMIT_DESCENDANTS) >>
+                { throw exception}
+    }
+
+    def performTestRequest() {
+        return mvc.perform(get("$dataNodeBaseEndpoint/cm-handles/$cmHandle/node").param('xpath', xpath))
+                .andReturn().response
+    }
+
+    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
+    }
+}