| // 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.util.io; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import java.io.ByteArrayOutputStream; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests {@link OutErr}. */ |
| @RunWith(JUnit4.class) |
| public class OutErrTest { |
| |
| private ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| private ByteArrayOutputStream err = new ByteArrayOutputStream(); |
| private OutErr outErr = OutErr.create(out, err); |
| |
| @Test |
| public void testRetainsOutErr() { |
| assertThat(outErr.getOutputStream()).isSameAs(out); |
| assertThat(outErr.getErrorStream()).isSameAs(err); |
| } |
| |
| @Test |
| public void testPrintsToOut() { |
| outErr.printOut("Hello, world."); |
| assertThat(new String(out.toByteArray())).isEqualTo("Hello, world."); |
| } |
| |
| @Test |
| public void testPrintsToErr() { |
| outErr.printErr("Hello, moon."); |
| assertThat(new String(err.toByteArray())).isEqualTo("Hello, moon."); |
| } |
| |
| @Test |
| public void testPrintsToOutWithANewline() { |
| outErr.printOutLn("With a newline."); |
| assertThat(new String(out.toByteArray())).isEqualTo("With a newline.\n"); |
| } |
| |
| @Test |
| public void testPrintsToErrWithANewline() { |
| outErr.printErrLn("With a newline."); |
| assertThat(new String(err.toByteArray())).isEqualTo("With a newline.\n"); |
| } |
| |
| @Test |
| public void testPrintsTwoLinesToOut() { |
| outErr.printOutLn("line 1"); |
| outErr.printOutLn("line 2"); |
| assertThat(new String(out.toByteArray())).isEqualTo("line 1\nline 2\n"); |
| } |
| |
| @Test |
| public void testPrintsTwoLinesToErr() { |
| outErr.printErrLn("line 1"); |
| outErr.printErrLn("line 2"); |
| assertThat(new String(err.toByteArray())).isEqualTo("line 1\nline 2\n"); |
| } |
| |
| } |