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// Copyright (C) 2018 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;
import static java.util.Comparator.comparing;
import static java.util.concurrent.TimeUnit.SECONDS;
import com.google.common.collect.ImmutableList;
import com.google.common.primitives.Ints;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import com.google.gerrit.extensions.registration.DynamicSet;
import com.google.gerrit.httpd.GitOverHttpServlet;
import com.google.gerrit.server.AuditEvent;
import com.google.gerrit.server.audit.AuditListener;
import com.google.gerrit.server.audit.AuditService;
import com.google.gerrit.server.audit.HttpAuditEvent;
import com.google.gerrit.server.audit.group.GroupAuditListener;
import com.google.gerrit.server.group.GroupAuditService;
import com.google.gerrit.server.plugincontext.PluginSetContext;
import com.google.inject.AbstractModule;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.atomic.AtomicLong;
@Singleton
public class FakeGroupAuditService extends AuditService {
public static class FakeGroupAuditServiceModule extends AbstractModule {
@Override
public void configure() {
DynamicSet.setOf(binder(), GroupAuditListener.class);
DynamicSet.setOf(binder(), AuditListener.class);
// Use this fake service at the Guice level rather than depending on tests binding their own
// audit listeners. If we used per-test listeners, then there would be a race between
// dispatching the audit events from HTTP requests performed during test setup in
// AbstractDaemonTest, and the later test setup binding the audit listener. Using a separate
// audit service implementation ensures all events get recorded.
bind(GroupAuditService.class).to(FakeGroupAuditService.class);
}
}
private final GitOverHttpServlet.Metrics httpMetrics;
private final BlockingQueue<HttpAuditEvent> httpEvents;
private final AtomicLong drainedSoFar;
@Inject
FakeGroupAuditService(
PluginSetContext<AuditListener> auditListeners,
PluginSetContext<GroupAuditListener> groupAuditListeners,
GitOverHttpServlet.Metrics httpMetrics) {
super(auditListeners, groupAuditListeners);
this.httpMetrics = httpMetrics;
this.httpEvents = new LinkedBlockingQueue<>();
this.drainedSoFar = new AtomicLong();
}
@Override
public void dispatch(AuditEvent action) {
super.dispatch(action);
if (action instanceof HttpAuditEvent) {
httpEvents.add((HttpAuditEvent) action);
}
}
@CanIgnoreReturnValue
public ImmutableList<HttpAuditEvent> drainHttpAuditEvents() throws Exception {
// Assumes that all HttpAuditEvents are produced by GitOverHttpServlet.
int expectedSize = Ints.checkedCast(httpMetrics.getRequestsStarted() - drainedSoFar.get());
List<HttpAuditEvent> result = new ArrayList<>();
for (int i = 0; i < expectedSize; i++) {
HttpAuditEvent e = httpEvents.poll(30, SECONDS);
if (e == null) {
throw new AssertionError(
String.format("Timeout after receiving %d/%d audit events", i, expectedSize));
}
drainedSoFar.incrementAndGet();
result.add(e);
}
return ImmutableList.sortedCopyOf(comparing(e -> e.when), result);
}
}