policy-agent/src/test/java/org/oransc/policyagent/dmaap/DmaapMessageHandlerTest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2019 Nordix Foundation.
   4  * ================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.oransc.policyagent.dmaap;
  22
  23 import static org.assertj.core.api.Assertions.assertThat;
  24 import static org.junit.Assert.assertFalse;
  25 import static org.junit.jupiter.api.Assertions.assertTrue;
  26 import static org.mockito.ArgumentMatchers.any;
  27 import static org.mockito.ArgumentMatchers.anyString;
  28 import static org.mockito.Mockito.doReturn;
  29 import static org.mockito.Mockito.mock;
  30 import static org.mockito.Mockito.spy;
  31 import static org.mockito.Mockito.verify;
  32 import static org.mockito.Mockito.verifyNoMoreInteractions;
  33
  34 import ch.qos.logback.classic.Level;
  35 import ch.qos.logback.classic.spi.ILoggingEvent;
  36 import ch.qos.logback.core.read.ListAppender;
  37
  38 import com.google.gson.Gson;
  39 import com.google.gson.GsonBuilder;
  40 import com.google.gson.JsonObject;
  41
  42 import java.io.IOException;
  43 import java.util.Optional;
  44
  45 import org.junit.jupiter.api.BeforeEach;
  46 import org.junit.jupiter.api.Test;
  47 import org.mockito.ArgumentCaptor;
  48 import org.onap.dmaap.mr.client.MRBatchingPublisher;
  49 import org.onap.dmaap.mr.client.response.MRPublisherResponse;
  50 import org.oransc.policyagent.clients.AsyncRestClient;
  51 import org.oransc.policyagent.dmaap.DmaapRequestMessage.Operation;
  52 import org.oransc.policyagent.repository.ImmutablePolicyType;
  53 import org.oransc.policyagent.repository.PolicyType;
  54 import org.oransc.policyagent.utils.LoggingUtils;
  55 import org.slf4j.Logger;
  56 import org.slf4j.LoggerFactory;
  57 import org.springframework.http.HttpStatus;
  58 import org.springframework.http.ResponseEntity;
  59 import org.springframework.web.reactive.function.client.WebClientResponseException;
  60
  61 import reactor.core.publisher.Mono;
  62 import reactor.test.StepVerifier;
  63
  64 public class DmaapMessageHandlerTest {
  65     private static final Logger logger = LoggerFactory.getLogger(DmaapMessageHandlerTest.class);
  66     private static final String URL = "url";
  67
  68     private final MRBatchingPublisher dmaapClient = mock(MRBatchingPublisher.class);
  69     private final AsyncRestClient agentClient = mock(AsyncRestClient.class);
  70     private DmaapMessageHandler testedObject;
  71     private static Gson gson = new GsonBuilder() //
  72         .create(); //
  73
  74     @BeforeEach
  75     private void setUp() throws Exception {
  76         testedObject = spy(new DmaapMessageHandler(dmaapClient, agentClient));
  77     }
  78
  79     static JsonObject payloadAsJson() {
  80         return gson.fromJson(payloadAsString(), JsonObject.class);
  81     }
  82
  83     static String payloadAsString() {
  84         PolicyType pt = ImmutablePolicyType.builder().name("name").schema("schema").build();
  85         return gson.toJson(pt);
  86     }
  87
  88     DmaapRequestMessage dmaapRequestMessage(Operation operation) {
  89         Optional<JsonObject> payload =
  90             ((operation == Operation.PUT || operation == Operation.POST) ? Optional.of(payloadAsJson())
  91                 : Optional.empty());
  92         return ImmutableDmaapRequestMessage.builder() //
  93             .apiVersion("apiVersion") //
  94             .correlationId("correlationId") //
  95             .operation(operation) //
  96             .originatorId("originatorId") //
  97             .payload(payload) //
  98             .requestId("requestId") //
  99             .target("target") //
 100             .timestamp("timestamp") //
 101             .url(URL) //
 102             .build();
 103     }
 104
 105     private String dmaapInputMessage(Operation operation) {
 106         return gson.toJson(dmaapRequestMessage(operation));
 107     }
 108
 109     private Mono<ResponseEntity<String>> okResponse() {
 110         ResponseEntity<String> entity = new ResponseEntity<>("OK", HttpStatus.OK);
 111         return Mono.just(entity);
 112     }
 113
 114     @Test
 115     public void testMessageParsing() {
 116         String message = dmaapInputMessage(Operation.DELETE);
 117         logger.info(message);
 118         DmaapRequestMessage parsedMessage = gson.fromJson(message, ImmutableDmaapRequestMessage.class);
 119         assertTrue(parsedMessage != null);
 120         assertFalse(parsedMessage.payload().isPresent());
 121
 122         message = dmaapInputMessage(Operation.PUT);
 123         logger.info(message);
 124         parsedMessage = gson.fromJson(message, ImmutableDmaapRequestMessage.class);
 125         assertTrue(parsedMessage != null);
 126         assertTrue(parsedMessage.payload().isPresent());
 127     }
 128
 129     @Test
 130     public void unparseableMessage_thenWarning() {
 131         final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(DmaapMessageHandler.class);
 132
 133         testedObject.handleDmaapMsg("bad message");
 134
 135         assertThat(logAppender.list.get(0).getLevel()).isEqualTo(Level.WARN);
 136         assertThat(logAppender.list.toString().contains("handleDmaapMsg failure ")).isTrue();
 137     }
 138
 139     @Test
 140     public void successfulDelete() throws IOException {
 141         doReturn(okResponse()).when(agentClient).deleteForEntity(anyString());
 142         doReturn(1).when(dmaapClient).send(anyString());
 143         doReturn(new MRPublisherResponse()).when(dmaapClient).sendBatchWithResponse();
 144
 145         String message = dmaapInputMessage(Operation.DELETE);
 146
 147         StepVerifier //
 148             .create(testedObject.createTask(message)) //
 149             .expectSubscription() //
 150             .expectNext("OK") //
 151             .verifyComplete(); //
 152
 153         verify(agentClient).deleteForEntity(URL);
 154         verifyNoMoreInteractions(agentClient);
 155
 156         verify(dmaapClient).send(anyString());
 157         verify(dmaapClient).sendBatchWithResponse();
 158         verifyNoMoreInteractions(dmaapClient);
 159     }
 160
 161     @Test
 162     public void successfulGet() throws IOException {
 163         doReturn(okResponse()).when(agentClient).getForEntity(anyString());
 164         doReturn(1).when(dmaapClient).send(anyString());
 165         doReturn(new MRPublisherResponse()).when(dmaapClient).sendBatchWithResponse();
 166
 167         StepVerifier //
 168             .create(testedObject.createTask(dmaapInputMessage(Operation.GET))) //
 169             .expectSubscription() //
 170             .expectNext("OK") //
 171             .verifyComplete(); //
 172
 173         verify(agentClient).getForEntity(URL);
 174         verifyNoMoreInteractions(agentClient);
 175
 176         verify(dmaapClient).send(anyString());
 177         verify(dmaapClient).sendBatchWithResponse();
 178         verifyNoMoreInteractions(dmaapClient);
 179     }
 180
 181     @Test
 182     public void successfulPut() throws IOException {
 183         doReturn(okResponse()).when(agentClient).putForEntity(anyString(), anyString());
 184         doReturn(1).when(dmaapClient).send(anyString());
 185         doReturn(new MRPublisherResponse()).when(dmaapClient).sendBatchWithResponse();
 186
 187         StepVerifier //
 188             .create(testedObject.createTask(dmaapInputMessage(Operation.PUT))) //
 189             .expectSubscription() //
 190             .expectNext("OK") //
 191             .verifyComplete(); //
 192
 193         verify(agentClient).putForEntity(URL, payloadAsString());
 194         verifyNoMoreInteractions(agentClient);
 195
 196         verify(dmaapClient).send(anyString());
 197         verify(dmaapClient).sendBatchWithResponse();
 198         verifyNoMoreInteractions(dmaapClient);
 199     }
 200
 201     @Test
 202     public void successfulPost() throws IOException {
 203         doReturn(okResponse()).when(agentClient).postForEntity(anyString(), anyString());
 204         doReturn(1).when(dmaapClient).send(anyString());
 205         doReturn(new MRPublisherResponse()).when(dmaapClient).sendBatchWithResponse();
 206
 207         StepVerifier //
 208             .create(testedObject.createTask(dmaapInputMessage(Operation.POST))) //
 209             .expectSubscription() //
 210             .expectNext("OK") //
 211             .verifyComplete(); //
 212
 213         verify(agentClient).postForEntity(URL, payloadAsString());
 214         verifyNoMoreInteractions(agentClient);
 215
 216         verify(dmaapClient).send(anyString());
 217         verify(dmaapClient).sendBatchWithResponse();
 218         verifyNoMoreInteractions(dmaapClient);
 219     }
 220
 221     @Test
 222     public void exceptionWhenCallingPolicyAgent_thenNotFoundResponse() throws IOException {
 223         WebClientResponseException except = new WebClientResponseException(400, "Refused", null, null, null, null);
 224         doReturn(Mono.error(except)).when(agentClient).putForEntity(anyString(), any());
 225         doReturn(1).when(dmaapClient).send(anyString());
 226         doReturn(new MRPublisherResponse()).when(dmaapClient).sendBatchWithResponse();
 227
 228         StepVerifier //
 229             .create(testedObject.createTask(dmaapInputMessage(Operation.PUT))) //
 230             .expectSubscription() //
 231             .verifyComplete(); //
 232
 233         verify(agentClient).putForEntity(anyString(), anyString());
 234         verifyNoMoreInteractions(agentClient);
 235
 236         ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class);
 237         verify(dmaapClient).send(captor.capture());
 238         String actualMessage = captor.getValue();
 239         assertThat(actualMessage.contains(HttpStatus.BAD_REQUEST.toString())).isTrue();
 240
 241         verify(dmaapClient).sendBatchWithResponse();
 242         verifyNoMoreInteractions(dmaapClient);
 243     }
 244
 245     @Test
 246     public void unsupportedOperationInMessage_thenNotFoundResponseWithNotImplementedOperation() throws Exception {
 247         String message = dmaapInputMessage(Operation.PUT).toString();
 248         String badOperation = "BAD";
 249         message = message.replace(Operation.PUT.toString(), badOperation);
 250
 251         testedObject.handleDmaapMsg(message);
 252
 253         ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class);
 254         verify(dmaapClient).send(captor.capture());
 255         String actualMessage = captor.getValue();
 256         assertThat(actualMessage
 257             .contains(HttpStatus.BAD_REQUEST + "\",\"message\":\"Not implemented operation: " + badOperation)).isTrue();
 258
 259         verify(dmaapClient).sendBatchWithResponse();
 260         verifyNoMoreInteractions(dmaapClient);
 261     }
 262
 263     @Test
 264     public void putWithoutPayload_thenNotFoundResponseWithWarning() throws Exception {
 265         String message = dmaapInputMessage(Operation.PUT).toString();
 266         message = message.replace(",\"payload\":{\"name\":\"name\",\"schema\":\"schema\"}", "");
 267
 268         final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(DmaapMessageHandler.class);
 269
 270         testedObject.handleDmaapMsg(message);
 271
 272         assertThat(logAppender.list.get(0).getLevel()).isEqualTo(Level.WARN);
 273         assertThat(logAppender.list.toString().contains("Expected payload in message from DMAAP: ")).isTrue();
 274     }
 275 }