| // 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 com.google.devtools.build.lib.testutil.MoreAsserts; |
| import com.google.devtools.build.lib.util.io.AnsiTerminalPrinter.Mode; |
| import java.io.ByteArrayOutputStream; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * A test for {@link AnsiTerminalPrinter}. |
| */ |
| @RunWith(JUnit4.class) |
| public class AnsiTerminalPrinterTest { |
| private ByteArrayOutputStream stream; |
| private AnsiTerminalPrinter printer; |
| |
| @Before |
| public final void createPrinter() throws Exception { |
| stream = new ByteArrayOutputStream(1000); |
| printer = new AnsiTerminalPrinter(stream, true); |
| } |
| |
| private void setPlainPrinter() { |
| printer = new AnsiTerminalPrinter(stream, false); |
| } |
| |
| private void assertString(String string) { |
| assertThat(stream.toString()).isEqualTo(string); |
| } |
| |
| private void assertRegex(String regex) { |
| MoreAsserts.assertStdoutContainsRegex(regex, stream.toString(), ""); |
| } |
| |
| @Test |
| public void testPlainPrinter() throws Exception { |
| setPlainPrinter(); |
| printer.print("1" + Mode.INFO + "2" + Mode.ERROR + "3" + Mode.WARNING + "4" |
| + Mode.DEFAULT + "5"); |
| assertString("12345"); |
| } |
| |
| @Test |
| public void testDefaultModeIsDefault() throws Exception { |
| printer.print("1" + Mode.DEFAULT + "2"); |
| assertString("12"); |
| } |
| |
| @Test |
| public void testDuplicateMode() throws Exception { |
| printer.print("_A_" + Mode.INFO); |
| printer.print("_B_" + Mode.INFO + "_C_"); |
| assertRegex("^_A_.+_B__C_$"); |
| } |
| |
| @Test |
| public void testModeCodes() throws Exception { |
| printer.print(Mode.INFO + "XXX" + Mode.ERROR + "XXX" + Mode.WARNING +"XXX" + Mode.DEFAULT |
| + "XXX" + Mode.INFO + "XXX" + Mode.ERROR + "XXX" + Mode.WARNING +"XXX" + Mode.DEFAULT); |
| String[] codes = stream.toString().split("XXX"); |
| assertThat(codes).hasLength(8); |
| for (int i = 0; i < 4; i++) { |
| assertThat(codes[i]).isNotEmpty(); |
| assertThat(codes[i + 4]).isEqualTo(codes[i]); |
| } |
| assertThat(codes[0].equals(codes[1])).isFalse(); |
| assertThat(codes[0].equals(codes[2])).isFalse(); |
| assertThat(codes[0].equals(codes[3])).isFalse(); |
| assertThat(codes[1].equals(codes[2])).isFalse(); |
| assertThat(codes[1].equals(codes[3])).isFalse(); |
| assertThat(codes[2].equals(codes[3])).isFalse(); |
| } |
| } |