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// Copyright 2015 Google Inc. 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 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;
/**
* Tests for {@link WriteBuildInfoPropertiesAction} utilities methods
*/
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);
}
}
assertEquals(expected, new String(out.toByteArray(), UTF_8));
}
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");
}
}
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