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/*-
* ========================LICENSE_START=================================
* ONAP : ccsdk oran
* ======================================================================
* Copyright (C) 2019-2020 Nordix Foundation. All rights reserved.
* ======================================================================
* 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.
* ========================LICENSE_END===================================
*/
package org.onap.ccsdk.oran.a1policymanagementservice.dmaap;
import static ch.qos.logback.classic.Level.WARN;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.read.ListAppender;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonObject;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.Optional;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.ArgumentCaptor;
import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClient;
import org.onap.ccsdk.oran.a1policymanagementservice.dmaap.DmaapRequestMessage.Operation;
import org.onap.ccsdk.oran.a1policymanagementservice.utils.LoggingUtils;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.reactive.function.client.WebClientResponseException;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
class DmaapMessageHandlerTest {
private static final String URL = "url";
private final AsyncRestClient dmaapClient = mock(AsyncRestClient.class);
private final AsyncRestClient pmsClient = mock(AsyncRestClient.class);
private DmaapMessageHandler testedObject;
private Gson gson = new GsonBuilder().create(); //
@BeforeEach
private void setUp() throws Exception {
testedObject = spy(new DmaapMessageHandler(dmaapClient, pmsClient));
}
JsonObject payloadAsJson() {
return gson.fromJson(payloadAsString(), JsonObject.class);
}
String payloadAsString() {
return "{\"param\":\"value\"}";
}
DmaapRequestMessage dmaapRequestMessage(Operation operation) {
Optional<JsonObject> payload =
((operation == Operation.PUT || operation == Operation.POST) ? Optional.of(payloadAsJson())
: Optional.empty());
return ImmutableDmaapRequestMessage.builder() //
.apiVersion("apiVersion") //
.correlationId("correlationId") //
.operation(operation) //
.originatorId("originatorId") //
.payload(payload) //
.requestId("requestId") //
.target("target") //
.timestamp("timestamp") //
.url(URL) //
.build();
}
private Mono<ResponseEntity<String>> okResponse() {
ResponseEntity<String> entity = new ResponseEntity<>("OK", HttpStatus.OK);
return Mono.just(entity);
}
private Mono<ResponseEntity<String>> notOkResponse() {
ResponseEntity<String> entity = new ResponseEntity<>("NOK", HttpStatus.BAD_GATEWAY);
return Mono.just(entity);
}
@Test
void successfulDelete() throws IOException {
doReturn(okResponse()).when(pmsClient).deleteForEntity(anyString());
doReturn(Mono.just("OK")).when(dmaapClient).post(anyString(), anyString());
DmaapRequestMessage message = dmaapRequestMessage(Operation.DELETE);
StepVerifier //
.create(testedObject.handleDmaapMsg(message)) //
.expectSubscription() //
.expectNext("OK") //
.verifyComplete(); //
verify(pmsClient).deleteForEntity(URL);
verifyNoMoreInteractions(pmsClient);
verify(dmaapClient).post(anyString(), anyString());
verifyNoMoreInteractions(dmaapClient);
}
@Test
void successfulGet() throws IOException {
doReturn(okResponse()).when(pmsClient).getForEntity(anyString());
doReturn(Mono.just("OK")).when(dmaapClient).post(anyString(), anyString());
DmaapRequestMessage message = dmaapRequestMessage(Operation.GET);
StepVerifier //
.create(testedObject.handleDmaapMsg(message)) //
.expectSubscription() //
.expectNext("OK") //
.verifyComplete(); //
verify(pmsClient).getForEntity(URL);
verifyNoMoreInteractions(pmsClient);
verify(dmaapClient).post(anyString(), anyString());
verifyNoMoreInteractions(dmaapClient);
}
@Test
void exceptionFromPmsWhenGet_thenPostError() throws IOException {
String errorBody = "Unavailable";
WebClientResponseException webClientResponseException = new WebClientResponseException(
HttpStatus.SERVICE_UNAVAILABLE.value(), "", (HttpHeaders) null, errorBody.getBytes(), (Charset) null);
doReturn(Mono.error(webClientResponseException)).when(pmsClient).getForEntity(anyString());
doReturn(Mono.just("OK")).when(dmaapClient).post(anyString(), anyString());
DmaapRequestMessage message = dmaapRequestMessage(Operation.GET);
StepVerifier //
.create(testedObject.handleDmaapMsg(message)) //
.expectSubscription() //
.verifyComplete(); //
ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class);
verify(dmaapClient).post(anyString(), captor.capture());
String actualMessage = captor.getValue();
assertThat(actualMessage).contains(HttpStatus.SERVICE_UNAVAILABLE.toString()) //
.contains(errorBody);
}
@Test
void successfulPut() throws IOException {
doReturn(okResponse()).when(pmsClient).putForEntity(anyString(), anyString());
doReturn(Mono.just("OK")).when(dmaapClient).post(anyString(), anyString());
DmaapRequestMessage message = dmaapRequestMessage(Operation.PUT);
StepVerifier //
.create(testedObject.handleDmaapMsg(message)) //
.expectSubscription() //
.expectNext("OK") //
.verifyComplete(); //
verify(pmsClient).putForEntity(URL, payloadAsString());
verifyNoMoreInteractions(pmsClient);
verify(dmaapClient).post(anyString(), anyString());
verifyNoMoreInteractions(dmaapClient);
}
@Test
void successfulPost() throws IOException {
doReturn(okResponse()).when(pmsClient).postForEntity(anyString(), anyString());
doReturn(Mono.just("OK")).when(dmaapClient).post(anyString(), anyString());
DmaapRequestMessage message = dmaapRequestMessage(Operation.POST);
StepVerifier //
.create(testedObject.handleDmaapMsg(message)) //
.expectSubscription() //
.expectNext("OK") //
.verifyComplete(); //
verify(pmsClient).postForEntity(URL, payloadAsString());
verifyNoMoreInteractions(pmsClient);
verify(dmaapClient).post(anyString(), anyString());
verifyNoMoreInteractions(dmaapClient);
}
@Test
void exceptionWhenCallingPms_thenErrorResponse() throws IOException {
doReturn(notOkResponse()).when(pmsClient).putForEntity(anyString(), anyString());
doReturn(Mono.just("OK")).when(dmaapClient).post(anyString(), anyString());
DmaapRequestMessage message = dmaapRequestMessage(Operation.PUT);
testedObject.handleDmaapMsg(message).block();
verify(pmsClient).putForEntity(anyString(), anyString());
verifyNoMoreInteractions(pmsClient);
ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class);
verify(dmaapClient).post(anyString(), captor.capture());
String actualMessage = captor.getValue();
assertThat(actualMessage).as("Message \"%s\" sent to DMaaP contains %s", actualMessage, HttpStatus.BAD_GATEWAY)
.contains(HttpStatus.BAD_GATEWAY.toString());
verifyNoMoreInteractions(dmaapClient);
}
@Test
void putWithoutPayload_thenNotFoundResponseWithWarning() throws Exception {
DmaapRequestMessage message = ImmutableDmaapRequestMessage.builder() //
.apiVersion("apiVersion") //
.correlationId("correlationId") //
.operation(DmaapRequestMessage.Operation.PUT) //
.originatorId("originatorId") //
.payload(Optional.empty()) //
.requestId("requestId") //
.target("target") //
.timestamp("timestamp") //
.url(URL) //
.build();
final ListAppender<ILoggingEvent> logAppender =
LoggingUtils.getLogListAppender(DmaapMessageHandler.class, WARN);
doReturn(notOkResponse()).when(pmsClient).putForEntity(anyString(), anyString());
testedObject.handleDmaapMsg(message).block();
assertThat(logAppender.list.get(0).getFormattedMessage())
.startsWith("Expected payload in message from DMAAP: ");
}
}
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