| // Copyright 2010 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.testing.junit.runner.internal; |
| |
| import static com.google.common.truth.Truth.assertWithMessage; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| import org.mockito.Mockito; |
| import sun.misc.Signal; |
| import sun.misc.SignalHandler; |
| |
| /** |
| * Tests for SignalHandlers. |
| */ |
| @RunWith(JUnit4.class) |
| public class SignalHandlersTest { |
| |
| private static final Signal TERM_SIGNAL = new Signal("TERM"); |
| |
| private final FakeSignalInstaller fakeSignalInstaller = new FakeSignalInstaller(); |
| private final SignalHandlers signalHandlers = new SignalHandlers(fakeSignalInstaller); |
| |
| static class FakeSignalInstaller implements SignalHandlers.HandlerInstaller { |
| private SignalHandler currentHandler = null; |
| |
| @Override |
| public SignalHandler install(Signal signal, SignalHandler handler) { |
| SignalHandler previousHandler = currentHandler; |
| assertWithMessage("This fake only supports the TERM signal") |
| .that(signal) |
| .isEqualTo(TERM_SIGNAL); |
| currentHandler = handler; |
| return previousHandler; |
| } |
| |
| public void sendSignal() { |
| currentHandler.handle(TERM_SIGNAL); |
| } |
| } |
| |
| @Test |
| public void testHandlersCanBeChained() { |
| SignalHandler handler1 = Mockito.mock(SignalHandler.class); |
| SignalHandler handler2 = Mockito.mock(SignalHandler.class); |
| |
| signalHandlers.installHandler(TERM_SIGNAL, handler1); |
| signalHandlers.installHandler(TERM_SIGNAL, handler2); |
| fakeSignalInstaller.sendSignal(); |
| |
| Mockito.verify(handler1).handle(Mockito.eq(TERM_SIGNAL)); |
| Mockito.verify(handler2).handle(Mockito.eq(TERM_SIGNAL)); |
| } |
| |
| @Test |
| public void testOneHandlerCanHandleSignal() { |
| SignalHandler handler = Mockito.mock(SignalHandler.class); |
| |
| signalHandlers.installHandler(TERM_SIGNAL, handler); |
| fakeSignalInstaller.sendSignal(); |
| |
| Mockito.verify(handler).handle(Mockito.eq(TERM_SIGNAL)); |
| } |
| } |