| // Copyright (C) 2021 The Android Open Source Project |
| // |
| // 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. |
| |
| package com.googlesource.gerrit.plugins.pubsub; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.mockito.Mockito.any; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.only; |
| import static org.mockito.Mockito.verify; |
| |
| import com.gerritforge.gerrit.eventbroker.EventDeserializer; |
| import com.google.cloud.pubsub.v1.AckReplyConsumer; |
| import com.google.cloud.pubsub.v1.MessageReceiver; |
| import com.google.gerrit.server.events.Event; |
| import com.google.gerrit.server.events.EventGsonProvider; |
| import com.google.gerrit.server.events.ProjectCreatedEvent; |
| import com.google.gerrit.server.util.OneOffRequestContext; |
| import com.google.gson.Gson; |
| import com.google.protobuf.ByteString; |
| import com.google.pubsub.v1.PubsubMessage; |
| import java.util.function.Consumer; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Captor; |
| import org.mockito.Mock; |
| import org.mockito.junit.MockitoJUnitRunner; |
| |
| @RunWith(MockitoJUnitRunner.class) |
| public class PubSubEventSubscriberTest { |
| |
| @Mock PubSubConfiguration confMock; |
| @Mock SubscriberProvider subscriberProviderMock; |
| @Mock PubSubSubscriberMetrics pubSubSubscriberMetricsMock; |
| @Mock OneOffRequestContext oneOffRequestContext; |
| @Mock AckReplyConsumer ackReplyConsumerMock; |
| @Mock Consumer<Event> succeedingConsumer; |
| @Captor ArgumentCaptor<Event> eventMessageCaptor; |
| |
| private static final String TOPIC = "foo"; |
| |
| private Gson gson = new EventGsonProvider().get(); |
| private EventDeserializer deserializer = new EventDeserializer(gson); |
| |
| @Test |
| public void shouldIncrementFailedToConsumeMessageWhenReceivingFails() { |
| Consumer<Event> failingConsumer = |
| (message) -> { |
| throw new RuntimeException("Error receiving message"); |
| }; |
| |
| messageReceiver(failingConsumer) |
| .receiveMessage(PubsubMessage.getDefaultInstance(), ackReplyConsumerMock); |
| |
| verify(pubSubSubscriberMetricsMock, only()).incrementFailedToConsumeMessage(); |
| } |
| |
| @Test |
| public void shouldIncrementSucceedToConsumeMessageWhenReceivingSucceeds() { |
| String instanceId = "instance-id"; |
| Event eventMessage = new ProjectCreatedEvent(); |
| eventMessage.instanceId = instanceId; |
| PubsubMessage pubsubMessage = sampleMessage(eventMessage); |
| |
| messageReceiver(succeedingConsumer).receiveMessage(pubsubMessage, ackReplyConsumerMock); |
| |
| verify(pubSubSubscriberMetricsMock, only()).incrementSucceedToConsumeMessage(); |
| } |
| |
| @Test |
| public void shouldSkipEventWithoutSourceInstanceId() { |
| Event eventWithoutSourceInstanceId = new ProjectCreatedEvent(); |
| PubsubMessage pubsubMessage = sampleMessage(eventWithoutSourceInstanceId); |
| |
| messageReceiver(succeedingConsumer).receiveMessage(pubsubMessage, ackReplyConsumerMock); |
| |
| verify(succeedingConsumer, never()).accept(eventWithoutSourceInstanceId); |
| } |
| |
| @Test |
| public void shouldParseEventObject() { |
| String instanceId = "instance-id"; |
| Event event = new ProjectCreatedEvent(); |
| event.instanceId = instanceId; |
| PubsubMessage pubsubMessage = sampleMessage(event); |
| messageReceiver(succeedingConsumer).receiveMessage(pubsubMessage, ackReplyConsumerMock); |
| |
| verify(succeedingConsumer, only()).accept(eventMessageCaptor.capture()); |
| Event result = eventMessageCaptor.getValue(); |
| assertThat(result.instanceId).isEqualTo(instanceId); |
| } |
| |
| @Test |
| public void shouldParseEventObjectWithHeaderAndBodyProjectName() { |
| ProjectCreatedEvent event = new ProjectCreatedEvent(); |
| event.instanceId = "instance-id"; |
| event.projectName = "header_body_parser_project"; |
| PubsubMessage pubsubMessage = sampleMessage(event); |
| messageReceiver(succeedingConsumer).receiveMessage(pubsubMessage, ackReplyConsumerMock); |
| |
| verify(succeedingConsumer, only()).accept(any(Event.class)); |
| } |
| |
| private PubsubMessage sampleMessage(Event event) { |
| String eventPayload = gson.toJson(event); |
| ByteString data = ByteString.copyFromUtf8(eventPayload); |
| return PubsubMessage.newBuilder().setData(data).build(); |
| } |
| |
| private MessageReceiver messageReceiver(Consumer<Event> consumer) { |
| return new PubSubEventSubscriber( |
| deserializer, |
| subscriberProviderMock, |
| confMock, |
| pubSubSubscriberMetricsMock, |
| oneOffRequestContext, |
| TOPIC, |
| consumer) |
| .getMessageReceiver(); |
| } |
| } |