| // Copyright 2021 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.buildtool.util.BuildIntegrationTestCase; |
| 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.Assume; |
| 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) { |
| assertThat(event.reason()).isEqualTo(SystemSuspensionEvent.Reason.SIGCONT); |
| assertThat(event.logString()).isEqualTo("SystemSuspensionEvent: Signal SIGCONT"); |
| ++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 { |
| Assume.assumeTrue(OS.getCurrent() == OS.DARWIN); |
| // Send a SIGCONT to ourselves which should cause our signal handler to fire. |
| write( |
| "system_suspension_event/BUILD", |
| "genrule(", |
| " name = 'signal',", |
| " outs = ['signal.out'],", |
| " cmd = '/bin/kill -s CONT " + ProcessHandle.current().pid() + " > $@',", |
| ")"); |
| buildTarget("//system_suspension_event:signal"); |
| assertThat(eventListener.suspensionEventCount).isEqualTo(1); |
| } |
| } |