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// Copyright (C) 2020 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.google.gerrit.acceptance.config;
import static com.google.common.truth.Truth.assertThat;
import com.google.gerrit.acceptance.LightweightPluginDaemonTest;
import com.google.gerrit.acceptance.TestPlugin;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.extensions.registration.DynamicItem;
import com.google.gerrit.extensions.registration.DynamicSet;
import com.google.gerrit.server.config.GerritInstanceId;
import com.google.gerrit.server.events.Event;
import com.google.gerrit.server.events.EventDispatcher;
import com.google.gerrit.server.events.EventListener;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.inject.AbstractModule;
import com.google.inject.Inject;
import com.google.inject.Key;
import com.google.inject.Scopes;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
@TestPlugin(
name = "instance-id-from-plugin",
sysModule = "com.google.gerrit.acceptance.config.InstanceIdFromPluginIT$TestModule")
public class InstanceIdFromPluginIT extends LightweightPluginDaemonTest {
public static class TestModule extends AbstractModule {
@Override
protected void configure() {
bind(InstanceIdLoader.class).in(Scopes.SINGLETON);
bind(TestEventListener.class).in(Scopes.SINGLETON);
DynamicSet.bind(binder(), EventListener.class).to(TestEventListener.class);
}
}
public static class InstanceIdLoader {
public final String gerritInstanceId;
@Inject
InstanceIdLoader(@Nullable @GerritInstanceId String gerritInstanceId) {
this.gerritInstanceId = gerritInstanceId;
}
}
public static class TestEventListener implements EventListener {
private final List<Event> events = new ArrayList<>();
@Override
public void onEvent(Event event) {
events.add(event);
}
public List<Event> getEvents() {
return events;
}
}
public static class TestEvent extends Event {
protected TestEvent(String instanceId) {
super("test");
this.instanceId = instanceId;
}
}
@Test
@GerritConfig(name = "gerrit.instanceId", value = "testInstanceId")
public void shouldReturnInstanceIdWhenDefined() {
assertThat(getInstanceIdLoader().gerritInstanceId).isEqualTo("testInstanceId");
}
@Test
public void shouldReturnNullWhenNotDefined() {
assertThat(getInstanceIdLoader().gerritInstanceId).isNull();
}
@Test
@GerritConfig(name = "gerrit.instanceId", value = "testInstanceId")
public void shouldPreserveEventInstanceIdWhenDefined() throws PermissionBackendException {
EventDispatcher dispatcher =
plugin.getSysInjector().getInstance(new Key<DynamicItem<EventDispatcher>>() {}).get();
String eventInstanceId = "eventInstanceId";
TestEventListener eventListener = plugin.getSysInjector().getInstance(TestEventListener.class);
TestEvent testEvent = new TestEvent(eventInstanceId);
dispatcher.postEvent(testEvent);
List<Event> receivedEvents = eventListener.getEvents();
assertThat(receivedEvents).hasSize(1);
assertThat(receivedEvents.get(0).instanceId).isEqualTo(eventInstanceId);
}
private InstanceIdLoader getInstanceIdLoader() {
return plugin.getSysInjector().getInstance(InstanceIdLoader.class);
}
}