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// Copyright 2015 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.junit4;
import com.google.testing.junit.runner.internal.SignalHandlers;
import com.google.testing.junit.runner.util.TestNameProvider;
import com.google.testing.junit.runner.util.Ticker;
import dagger.Module;
import dagger.Provides;
import dagger.multibindings.IntoSet;
import org.junit.runner.notification.RunListener;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.nio.file.Path;
import javax.annotation.Nullable;
import javax.inject.Singleton;
/**
* Dagger module for real test runs.
*/
@Module(includes = {JUnit4RunnerBaseModule.class, JUnit4InstanceModules.Config.class})
public final class JUnit4RunnerModule {
@Provides
static Ticker ticker() {
return Ticker.systemTicker();
}
@Provides
static SignalHandlers.HandlerInstaller signalHandlerInstaller() {
return SignalHandlers.createRealHandlerInstaller();
}
@Provides
@IntoSet
static RunListener nameListener(JUnit4TestNameListener impl) {
return impl;
}
@Provides
@IntoSet
static RunListener xmlListener(JUnit4TestXmlListener impl) {
return impl;
}
@Provides
@IntoSet
static RunListener stackTraceListener(JUnit4TestStackTraceListener impl) {
return impl;
}
@Provides
@Singleton
@Xml
static OutputStream provideXmlStream(JUnit4Config config) {
@Nullable Path path = config.getXmlOutputPath();
if (path != null) {
try {
// TODO(bazel-team): Change the provider method to return ByteSink or CharSink
return new FileOutputStream(path.toFile());
} catch (FileNotFoundException e) {
/*
* We try to avoid throwing exceptions in the runner code. There is no
* way to induce a test failure here, so the only thing we can do is
* print a message and move on.
*/
e.printStackTrace();
}
}
// Returns an OutputStream that discards everything written into it.
return new OutputStream() {
@Override
public void write(int b) {}
@Override
public void write(byte[] b) {
if (b == null) {
throw new NullPointerException();
}
}
@Override
public void write(byte[] b, int off, int len) {
if (b == null) {
throw new NullPointerException();
}
}
@Override
public String toString() {
return "null OutputStream";
}
};
}
@Provides @Singleton
SettableCurrentRunningTest provideCurrentRunningTest() {
return new SettableCurrentRunningTest() {
@Override
void setGlobalTestNameProvider(TestNameProvider provider) {
testNameProvider = provider;
}
};
}
}
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