| // Copyright 2016 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.IOException; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Tests {@link LineWrappingAnsiTerminalWriter}. |
| */ |
| @RunWith(JUnit4.class) |
| public class LineWrappingAnsiTerminalWriterTest { |
| static final String NL = LoggingTerminalWriter.NEWLINE; |
| static final String OK = LoggingTerminalWriter.OK; |
| static final String FAIL = LoggingTerminalWriter.FAIL; |
| static final String NORMAL = LoggingTerminalWriter.NORMAL; |
| |
| @Test |
| public void testSimpleLineWrapping() throws IOException { |
| LoggingTerminalWriter terminal = new LoggingTerminalWriter(); |
| new LineWrappingAnsiTerminalWriter(terminal, 5, '+').append("abcdefghij"); |
| assertThat(terminal.getTranscript()).isEqualTo("abcd+" + NL + "efgh+" + NL + "ij"); |
| } |
| |
| @Test |
| public void testAlwaysWrap() throws IOException { |
| LoggingTerminalWriter terminal = new LoggingTerminalWriter(); |
| new LineWrappingAnsiTerminalWriter(terminal, 5, '+').append("12345").newline(); |
| assertThat(terminal.getTranscript()).isEqualTo("1234+" + NL + "5" + NL); |
| } |
| |
| @Test |
| public void testWrapLate() throws IOException { |
| LoggingTerminalWriter terminal = new LoggingTerminalWriter(); |
| new LineWrappingAnsiTerminalWriter(terminal, 5, '+').append("1234"); |
| // Lines are only wrapped, once a character is written that cannot fit in the current line, and |
| // not already once the last usable character of a line is used. Hence, in this example, we do |
| // not want to see the continuation character. |
| assertThat(terminal.getTranscript()).isEqualTo("1234"); |
| } |
| |
| @Test |
| public void testNewlineTranslated() throws IOException { |
| LoggingTerminalWriter terminal = new LoggingTerminalWriter(); |
| new LineWrappingAnsiTerminalWriter(terminal, 80, '+').append("foo\nbar\n"); |
| assertThat(terminal.getTranscript()).isEqualTo("foo" + NL + "bar" + NL); |
| } |
| |
| @Test |
| public void testNewlineResetsCount() throws IOException { |
| LoggingTerminalWriter terminal = new LoggingTerminalWriter(); |
| new LineWrappingAnsiTerminalWriter(terminal, 5, '+') |
| .append("123") |
| .newline() |
| .append("abc") |
| .newline() |
| .append("ABC\nABC") |
| .newline(); |
| assertThat(terminal.getTranscript()) |
| .isEqualTo("123" + NL + "abc" + NL + "ABC" + NL + "ABC" + NL); |
| } |
| |
| @Test |
| public void testEventsPassedThrough() throws IOException { |
| LoggingTerminalWriter terminal = new LoggingTerminalWriter(); |
| new LineWrappingAnsiTerminalWriter(terminal, 80, '+') |
| .okStatus() |
| .append("ok") |
| .failStatus() |
| .append("fail") |
| .normal() |
| .append("normal"); |
| assertThat(terminal.getTranscript()).isEqualTo(OK + "ok" + FAIL + "fail" + NORMAL + "normal"); |
| } |
| } |