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-rw-r--r--cps-rest/src/test/groovy/org/onap/cps/rest/exceptions/CpsRestExceptionHandlerSpec.groovy115
1 files changed, 115 insertions, 0 deletions
diff --git a/cps-rest/src/test/groovy/org/onap/cps/rest/exceptions/CpsRestExceptionHandlerSpec.groovy b/cps-rest/src/test/groovy/org/onap/cps/rest/exceptions/CpsRestExceptionHandlerSpec.groovy
new file mode 100644
index 0000000000..dd1b956d8d
--- /dev/null
+++ b/cps-rest/src/test/groovy/org/onap/cps/rest/exceptions/CpsRestExceptionHandlerSpec.groovy
@@ -0,0 +1,115 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2020 Pantheon.tech
+ * ================================================================================
+ * 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.rest.exceptions
+
+import groovy.json.JsonSlurper
+import org.onap.cps.api.CpService
+import org.onap.cps.exceptions.CpsException
+import org.onap.cps.exceptions.CpsNotFoundException
+import org.onap.cps.exceptions.CpsValidationException
+import org.onap.cps.rest.controller.CpsRestController
+import spock.lang.Specification
+
+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.setup.MockMvcBuilders.standaloneSetup
+
+class CpsRestExceptionHandlerSpec extends Specification {
+
+ def cpsRestController = new CpsRestController();
+ def mockCpService = Mock(CpService.class)
+ def objectUnderTest = new CpsRestExceptionHandler();
+ def mockMvc = standaloneSetup(cpsRestController).setControllerAdvice(objectUnderTest).build()
+
+ def setup() {
+ cpsRestController.cpService = mockCpService
+ }
+
+ def 'Get request with runtime exception returns HTTP Status Internal Server Error'() {
+
+ when: 'runtime exception is thrown by the service'
+ def errorMessage = 'runtime error message'
+ setupTestException(new IllegalStateException(errorMessage))
+ def response = performTestRequest()
+
+ then: 'an HTTP Internal Server Error response is returned with the correct message'
+ 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'
+ def errorMessage = 'cps generic error message'
+ def errorDetails = 'cps generic error details'
+ setupTestException(new CpsException(errorMessage, errorDetails))
+ def response = performTestRequest()
+
+ then: 'an HTTP Internal Server Error response is returned with the correct message'
+ assertTestResponse(response, INTERNAL_SERVER_ERROR, errorMessage, errorDetails)
+ }
+
+ def 'Get request with no data found CPS exception returns HTTP Status Not Found'() {
+
+ when: 'no data found CPS exception is thrown by the service'
+ def errorMessage = 'cps no data error message'
+ def errorDetails = 'cps no data error details'
+ setupTestException(new CpsNotFoundException(errorMessage, errorDetails))
+ def response = performTestRequest()
+
+ then: 'an HTTP Not Found response is returned with the correct message'
+ assertTestResponse(response, NOT_FOUND, errorMessage, errorDetails)
+ }
+
+ def 'Get request with CPS validation exception returns HTTP Status Bad Request'() {
+
+ when: 'CPS validation exception is thrown by the service'
+ def errorMessage = 'cps validation error message'
+ def errorDetails = 'cps validation error details'
+ setupTestException(new CpsValidationException(errorMessage, errorDetails))
+ def response = performTestRequest()
+
+ then: 'an HTTP Bad Request response is returned with the correct message'
+ assertTestResponse(response, BAD_REQUEST, errorMessage, errorDetails)
+ }
+
+ /*
+ * NB. The test uses 'get JSON by id' endpoint and associated service method invocation
+ * to test the exception handling. The endpoint chosen is not a subject of test.
+ */
+
+ def setupTestException(exception) {
+ mockCpService.getJsonById(_) >> { throw exception }
+ }
+
+ def performTestRequest() {
+ return mockMvc.perform(get('/json-object/1')).andReturn().response
+ }
+
+ 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
+ }
+
+}