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/*
* ============LICENSE_START====================================
* DCAEGEN2-SERVICES-SDK
* =========================================================
* Copyright (C) 2019 Nokia. 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.dcaegen2.services.sdk.rest.services.dmaap.client.api;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonParser;
import com.google.gson.JsonPrimitive;
import java.io.File;
import java.net.URL;
import java.time.Duration;
import java.util.Arrays;
import java.util.List;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import org.onap.dcaegen2.services.sdk.model.streams.dmaap.ImmutableMessageRouterSink;
import org.onap.dcaegen2.services.sdk.model.streams.dmaap.ImmutableMessageRouterSource;
import org.onap.dcaegen2.services.sdk.model.streams.dmaap.MessageRouterSink;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.ImmutableMessageRouterPublishRequest;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.ImmutableMessageRouterSubscribeRequest;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.ImmutableMessageRouterSubscribeResponse;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterPublishRequest;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterSubscribeRequest;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterSubscribeResponse;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterPublisherConfig;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterSubscriberConfig;
import org.testcontainers.containers.DockerComposeContainer;
import org.testcontainers.junit.jupiter.Container;
import org.testcontainers.junit.jupiter.Testcontainers;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
@Disabled("Disabled until fix messages formatting in MessageRouterPublisher::put ")
@Testcontainers
class MessageRouterSubscriberCIT {
private static final Gson gson = new Gson();
private static final Duration TIMEOUT = Duration.ofSeconds(10);
private static final int DMAAP_SERVICE_EXPOSED_PORT = 3904;
private static final List<String> messageBatchItems = Arrays.asList("I", "like", "pizza");
private static final Flux<JsonPrimitive> messageBatch = Flux.fromIterable(messageBatchItems)
.map(JsonPrimitive::new);
private static final String CONSUMER_GROUP = "group1";
private static final String CONSUMER_ID = "consumer200";
private static final String DMAAP_SERVICE_NAME = "dmaap";
private static final String MR_COMPOSE_RESOURCE_NAME = "dmaap-msg-router/message-router-compose.yml";
private static final String DOCKER_COMPOSE_FILE_PATH = getDockerComposeFilePath(
MR_COMPOSE_RESOURCE_NAME);
private static final String DMAAP_404_ERROR_RESPONSE_FORMAT = "404 Not Found\n" +
"{" +
"\"mrstatus\":3001," +
"\"helpURL\":\"http://onap.readthedocs.io\"," +
"\"message\":\"No such topic exists.-[%s]\"," +
"\"status\":404" +
"}";
@Container
private static final DockerComposeContainer CONTAINER = new DockerComposeContainer(
new File(DOCKER_COMPOSE_FILE_PATH))
.withExposedService(DMAAP_SERVICE_NAME, DMAAP_SERVICE_EXPOSED_PORT);
private static String EVENTS_PATH;
private MessageRouterPublisher publisher = DmaapClientFactory
.createMessageRouterPublisher(MessageRouterPublisherConfig.createDefault());
private MessageRouterSubscriber sut = DmaapClientFactory
.createMessageRouterSubscriber(MessageRouterSubscriberConfig.createDefault());
@BeforeAll
static void setUp() {
EVENTS_PATH = String.format("http://%s:%d/events",
CONTAINER.getServiceHost(DMAAP_SERVICE_NAME, DMAAP_SERVICE_EXPOSED_PORT),
CONTAINER.getServicePort(DMAAP_SERVICE_NAME, DMAAP_SERVICE_EXPOSED_PORT));
}
@Test
void subscriber_shouldHandleNoSuchTopicException() {
//given
final String topic = "newTopic";
final MessageRouterSubscribeRequest mrSubscribeRequest = createMRSubscribeRequest(topic);
final String expectedFailReason = String.format(DMAAP_404_ERROR_RESPONSE_FORMAT, topic);
final MessageRouterSubscribeResponse expectedResponse = ImmutableMessageRouterSubscribeResponse
.builder()
.failReason(expectedFailReason)
.build();
//when
Mono<MessageRouterSubscribeResponse> response = sut
.get(mrSubscribeRequest);
//then
StepVerifier.create(response)
.expectNext(expectedResponse)
.expectComplete()
.verify(TIMEOUT);
}
@Test
void subscriber_shouldGetCorrectResponse() {
//given
final String topic = "TOPIC";
final MessageRouterPublishRequest publishRequest = createMRPublishRequest(topic, "text/plain");
final MessageRouterSubscribeRequest subscribeRequest = createMRSubscribeRequest(topic);
final JsonArray expectedItems = getAsJsonArray(messageBatchItems);
final ImmutableMessageRouterSubscribeResponse expectedResponse = ImmutableMessageRouterSubscribeResponse
.builder()
.items(expectedItems)
.build();
//when
registerTopic(publishRequest, subscribeRequest);
Mono<MessageRouterSubscribeResponse> response = publisher
.put(publishRequest, messageBatch)
.then(sut.get(subscribeRequest));
//then
StepVerifier.create(response)
.expectNext(expectedResponse)
.expectComplete()
.verify();
}
private static String getDockerComposeFilePath(String resourceName){
URL resource = MessageRouterSubscriberCIT.class.getClassLoader()
.getResource(resourceName);
if(resource != null) return resource.getFile();
else throw new DockerComposeNotFoundException(String
.format("File %s does not exist", resourceName));
}
private static MessageRouterPublishRequest createMRPublishRequest(String topic,
String contentType) {
MessageRouterSink sinkDefinition = ImmutableMessageRouterSink.builder()
.name("the topic")
.topicUrl(String.format("%s/%s", EVENTS_PATH, topic))
.build();
return ImmutableMessageRouterPublishRequest.builder()
.sinkDefinition(sinkDefinition)
.contentType(contentType)
.build();
}
private MessageRouterSubscribeRequest createMRSubscribeRequest(String topic) {
ImmutableMessageRouterSource sourceDefinition = ImmutableMessageRouterSource.builder()
.name("the topic")
.topicUrl(String.format("%s/%s", EVENTS_PATH, topic))
.build();
return ImmutableMessageRouterSubscribeRequest
.builder()
.sourceDefinition(sourceDefinition)
.consumerGroup(CONSUMER_GROUP)
.consumerId(CONSUMER_ID)
.build();
}
private void registerTopic(MessageRouterPublishRequest publishRequest,
MessageRouterSubscribeRequest subscribeRequest) {
Flux<JsonPrimitive> sampleMessage = Flux.just("sample message").map(JsonPrimitive::new);
publisher.put(publishRequest, sampleMessage).blockLast();
sut.get(subscribeRequest).block();
}
private JsonArray getAsJsonArray(List<String> list) {
String listsJsonString = gson.toJson(list);
return new JsonParser().parse(listsJsonString).getAsJsonArray();
}
}
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