| // 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.devtools.build.lib.rules.java; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| |
| import com.google.common.base.Joiner; |
| import com.google.devtools.build.lib.testutil.FoundationTestCase; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.util.Properties; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link WriteBuildInfoPropertiesAction} utilities methods */ |
| @RunWith(JUnit4.class) |
| public class WriteBuildInfoPropertiesActionTest extends FoundationTestCase { |
| |
| private static final Joiner LINE_JOINER = Joiner.on("\r\n"); |
| private static final Joiner LINEFEED_JOINER = Joiner.on("\n"); |
| |
| private void assertStripFirstLine(String expected, String... testCases) throws IOException { |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| try (WriteBuildInfoPropertiesAction.StripFirstLineWriter writer = |
| new WriteBuildInfoPropertiesAction.StripFirstLineWriter(out)) { |
| for (String testCase : testCases) { |
| writer.write(testCase); |
| } |
| } |
| assertThat(new String(out.toByteArray(), UTF_8)).isEqualTo(expected); |
| } |
| |
| @Test |
| public void testStripFirstLine() throws IOException { |
| assertStripFirstLine("", ""); |
| assertStripFirstLine("", "no linefeed"); |
| assertStripFirstLine("", "no", "linefeed"); |
| assertStripFirstLine( |
| LINEFEED_JOINER.join("toto", "titi"), |
| LINEFEED_JOINER.join("# timestamp comment", "toto", "titi")); |
| assertStripFirstLine( |
| LINE_JOINER.join("toto", "titi"), LINE_JOINER.join("# timestamp comment", "toto", "titi")); |
| assertStripFirstLine( |
| LINEFEED_JOINER.join("toto", "titi"), "# timestamp comment\n", "toto\n", "titi"); |
| assertStripFirstLine( |
| LINE_JOINER.join("toto", "titi"), "# timestamp comment\r\n", "toto\r\n", "titi"); |
| } |
| |
| @Test |
| public void deterministicProperties() throws IOException { |
| ByteArrayOutputStream bytes = new ByteArrayOutputStream(); |
| Properties underTest = new WriteBuildInfoPropertiesAction.DeterministicProperties(); |
| underTest.put("second", "keyb"); |
| underTest.put("first", "keya"); |
| try (WriteBuildInfoPropertiesAction.StripFirstLineWriter writer = |
| new WriteBuildInfoPropertiesAction.StripFirstLineWriter(bytes)) { |
| underTest.store(writer, null); |
| } |
| assertThat(new String(bytes.toByteArray(), UTF_8)).isEqualTo("first=keya\nsecond=keyb\n"); |
| } |
| } |