| // Copyright 2014 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.events; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.eventbus.EventBus; |
| import com.google.devtools.build.lib.testutil.MoreAsserts; |
| import java.io.PrintWriter; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| @RunWith(JUnit4.class) |
| public class ReporterStreamTest { |
| |
| private Reporter reporter; |
| private StringBuilder out; |
| private EventHandler outAppender; |
| |
| @Before |
| public final void createOutputAppender() throws Exception { |
| reporter = new Reporter(new EventBus()); |
| out = new StringBuilder(); |
| outAppender = new EventHandler() { |
| @Override |
| public void handle(Event event) { |
| out.append("[" + event.getKind() + ": " + event.getMessage() + "]\n"); |
| } |
| }; |
| } |
| |
| @Test |
| public void reporterStream() throws Exception { |
| assertThat(out.toString()).isEmpty(); |
| reporter.addHandler(outAppender); |
| try ( |
| PrintWriter warnWriter = |
| new PrintWriter(new ReporterStream(reporter, EventKind.WARNING), true); |
| PrintWriter infoWriter = |
| new PrintWriter(new ReporterStream(reporter, EventKind.INFO), true) |
| ) { |
| infoWriter.println("some info"); |
| warnWriter.println("a warning"); |
| } |
| reporter.getOutErr().printOutLn("some output"); |
| reporter.getOutErr().printErrLn("an error"); |
| MoreAsserts.assertEqualsUnifyingLineEnds( |
| "[INFO: some info\n]\n" |
| + "[WARNING: a warning\n]\n" |
| + "[STDOUT: some output\n]\n" |
| + "[STDERR: an error\n]\n", |
| out.toString()); |
| } |
| } |