| // Copyright 2019 The Bazel Authors. 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. |
| |
| package com.google.devtools.build.lib.platform; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.eventbus.Subscribe; |
| import com.google.devtools.build.lib.analysis.util.AnalysisMock; |
| import com.google.devtools.build.lib.buildtool.buildevent.SystemSuspensionEvent; |
| import com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase; |
| import com.google.devtools.build.lib.packages.util.MockGenruleSupport; |
| import com.google.devtools.build.lib.runtime.BlazeModule; |
| import com.google.devtools.build.lib.runtime.BlazeRuntime; |
| import com.google.devtools.build.lib.runtime.CommandEnvironment; |
| import com.google.devtools.build.lib.util.OS; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link SystemSuspensionEvent}. */ |
| @RunWith(JUnit4.class) |
| public final class SystemSuspensionEventTest extends BuildIntegrationTestCase { |
| static class SystemSuspensionEventListener extends BlazeModule { |
| public int suspensionEventCount = 0; |
| |
| @Override |
| public void beforeCommand(CommandEnvironment env) { |
| env.getEventBus().register(this); |
| } |
| |
| @Subscribe |
| public void suspensionEvent(SystemSuspensionEvent event) { |
| ++suspensionEventCount; |
| } |
| } |
| |
| private final SystemSuspensionEventListener eventListener = new SystemSuspensionEventListener(); |
| |
| @Override |
| protected BlazeRuntime.Builder getRuntimeBuilder() throws Exception { |
| return super.getRuntimeBuilder() |
| .addBlazeModule(eventListener) |
| .addBlazeModule(new SystemSuspensionModule()); |
| } |
| |
| @Test |
| public void testSuspendCounter() throws Exception { |
| if (OS.getCurrent() == OS.DARWIN) { |
| AnalysisMock.get().setupMockToolsRepository(mockToolsConfig); |
| MockGenruleSupport.setup(mockToolsConfig); |
| StringBuilder buildFile = new StringBuilder(); |
| // Send a SIGCONT to ourselves which should cause our signal handler to fire. |
| buildFile |
| .append("genrule(name='signal', ") |
| .append("outs=['signal.out'], ") |
| .append("cmd='/bin/kill -s CONT ") |
| .append(ProcessHandle.current().pid()) |
| .append(" > $@')\n"); |
| write("system_suspension_event/BUILD", buildFile.toString()); |
| buildTarget("//system_suspension_event:signal"); |
| assertThat(eventListener.suspensionEventCount).isEqualTo(1); |
| } |
| } |
| } |