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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 static org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.MessageRouterTestsUtils.*;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import io.vavr.collection.List;
import java.time.Duration;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
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;
@Testcontainers
class MessageRouterSubscriberIT {
private static final Duration TIMEOUT = Duration.ofSeconds(10);
private static final String CONSUMER_GROUP = "group1";
private static final String CONSUMER_ID = "consumer200";
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 = DMaapContainer.createContainerInstance();
private static String EVENTS_PATH;
private MessageRouterPublisher publisher = DmaapClientFactory
.createMessageRouterPublisher(MessageRouterPublisherConfig.createDefault());
private MessageRouterSubscriber subscriber = DmaapClientFactory
.createMessageRouterSubscriber(MessageRouterSubscriberConfig.createDefault());
@BeforeAll
static void setUp() {
EVENTS_PATH = String.format("http://%s:%d/events",
CONTAINER.getServiceHost(DMaapContainer.DMAAP_SERVICE_NAME,
DMaapContainer.DMAAP_SERVICE_EXPOSED_PORT),
CONTAINER.getServicePort(DMaapContainer.DMAAP_SERVICE_NAME,
DMaapContainer.DMAAP_SERVICE_EXPOSED_PORT));
}
@Test
void subscriber_shouldHandleNoSuchTopicException() {
//given
final String topic = "newTopic";
final MessageRouterSubscribeRequest mrSubscribeRequest = createMRSubscribeRequest(
String.format("%s/%s", EVENTS_PATH, topic), CONSUMER_GROUP, CONSUMER_ID);
final MessageRouterSubscribeResponse expectedResponse = errorSubscribeResponse(
DMAAP_404_ERROR_RESPONSE_FORMAT, topic);
//when
Mono<MessageRouterSubscribeResponse> response = subscriber
.get(mrSubscribeRequest);
//then
StepVerifier.create(response)
.expectNext(expectedResponse)
.expectComplete()
.verify(TIMEOUT);
}
@Test
void subscriberShouldHandleSingleItemResponse(){
//given
final String topic = "TOPIC";
final String topicUrl = String.format("%s/%s", EVENTS_PATH, topic);
final MessageRouterPublishRequest publishRequest = createPublishRequest(topicUrl);
final MessageRouterSubscribeRequest subscribeRequest = createMRSubscribeRequest(topicUrl, CONSUMER_GROUP, CONSUMER_ID);
final List<String> singleJsonMessage = List.of("{\"message\":\"message1\"}");
final List<JsonElement> expectedItems = getAsJsonElements(singleJsonMessage);
final Flux<JsonObject> jsonMessageBatch = jsonBatch(singleJsonMessage);
final MessageRouterSubscribeResponse expectedResponse = successSubscribeResponse(expectedItems);
//when
registerTopic(publisher, publishRequest, subscriber, subscribeRequest);
Mono<MessageRouterSubscribeResponse> response = publisher
.put(publishRequest, jsonMessageBatch)
.then(subscriber.get(subscribeRequest));
//then
StepVerifier.create(response)
.expectNext(expectedResponse)
.expectComplete()
.verify();
}
@Test
void subscriber_shouldHandleMultipleItemsResponse() {
//given
final String topic = "TOPIC2";
final String topicUrl = String.format("%s/%s", EVENTS_PATH, topic);
final MessageRouterPublishRequest publishRequest = createPublishRequest(topicUrl);
final MessageRouterSubscribeRequest subscribeRequest = createMRSubscribeRequest(topicUrl, CONSUMER_GROUP, CONSUMER_ID);
final List<String> twoJsonMessages = List.of("{\"message\":\"message1\"}",
"{\"differentMessage\":\"message2\"}");
final List<JsonElement> expectedElements = getAsJsonElements(twoJsonMessages);
final Flux<JsonObject> jsonMessageBatch = jsonBatch(twoJsonMessages);
final MessageRouterSubscribeResponse expectedResponse = successSubscribeResponse(expectedElements);
//when
registerTopic(publisher, publishRequest, subscriber, subscribeRequest);
Mono<MessageRouterSubscribeResponse> response = publisher
.put(publishRequest, jsonMessageBatch)
.then(subscriber.get(subscribeRequest));
//then
StepVerifier.create(response)
.expectNext(expectedResponse)
.expectComplete()
.verify();
}
@Test
void subscriber_shouldExtractItemsFromResponse() {
//given
final String topic = "TOPIC3";
final String topicUrl = String.format("%s/%s", EVENTS_PATH, topic);
final MessageRouterPublishRequest publishRequest = createPublishRequest(topicUrl);
final MessageRouterSubscribeRequest subscribeRequest = createMRSubscribeRequest(topicUrl,
CONSUMER_GROUP, CONSUMER_ID);
final List<String> twoJsonMessages = List.of("{\"message\":\"message1\"}",
"{\"differentMessage\":\"message2\"}");
final Flux<JsonObject> jsonMessageBatch = jsonBatch(twoJsonMessages);
//when
registerTopic(publisher, publishRequest, subscriber, subscribeRequest);
final Flux<JsonElement> result = publisher.put(publishRequest, jsonMessageBatch)
.thenMany(subscriber.getElements(subscribeRequest));
//then
StepVerifier.create(result)
.expectNext(getAsJsonObject(twoJsonMessages.get(0)))
.expectNext(getAsJsonObject(twoJsonMessages.get(1)))
.expectComplete()
.verify(TIMEOUT);
}
@Test
void subscriber_shouldSubscribeToTopic(){
//given
final String topic = "TOPIC4";
final String topicUrl = String.format("%s/%s", EVENTS_PATH, topic);
final MessageRouterPublishRequest publishRequest = createPublishRequest(topicUrl);
final MessageRouterSubscribeRequest subscribeRequest = createMRSubscribeRequest(topicUrl,
CONSUMER_GROUP, CONSUMER_ID);
final List<String> twoJsonMessages = List.of("{\"message\":\"message1\"}",
"{\"differentMessage\":\"message2\"}");
final List<JsonElement> messages = getAsJsonElements(twoJsonMessages);
final Flux<JsonObject> jsonMessageBatch = jsonBatch(twoJsonMessages);
//when
registerTopic(publisher, publishRequest, subscriber, subscribeRequest);
final Flux<JsonElement> result = publisher.put(publishRequest, jsonMessageBatch)
.thenMany(subscriber.subscribeForElements(subscribeRequest, Duration.ofSeconds(1)));
//then
StepVerifier.create(result.take(2))
.expectNext(messages.get(0))
.expectNext(messages.get(1))
.expectComplete()
.verify(TIMEOUT);
}
}
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