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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.singlejar;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import com.google.devtools.build.singlejar.OptionFileExpander.OptionFileProvider;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.io.ByteArrayInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
/**
* Unit tests for {@link OptionFileExpander}.
*/
@RunWith(JUnit4.class)
public class OptionFileExpanderTest {
private static class StoredOptionFileProvider implements OptionFileProvider {
private Map<String, byte[]> availableFiles = new HashMap<>();
void addFile(String filename, String content) {
availableFiles.put(filename, content.getBytes(UTF_8));
}
@Override
public InputStream getInputStream(String filename) throws IOException {
byte[] result = availableFiles.get(filename);
if (result == null) {
throw new FileNotFoundException();
}
return new ByteArrayInputStream(result);
}
}
@Test
public void testNoExpansion() throws IOException {
OptionFileExpander expander = new OptionFileExpander(new StoredOptionFileProvider());
assertEquals(Arrays.asList("--some", "option", "list"),
expander.expandArguments(Arrays.asList("--some", "option", "list")));
}
@Test
public void testExpandSimpleOptionsFile() throws IOException {
StoredOptionFileProvider provider = new StoredOptionFileProvider();
provider.addFile("options", "--some option list");
OptionFileExpander expander = new OptionFileExpander(provider);
assertEquals(Arrays.asList("--some", "option", "list"),
expander.expandArguments(Arrays.asList("@options")));
}
@Test
public void testIllegalOptionsFile() {
StoredOptionFileProvider provider = new StoredOptionFileProvider();
provider.addFile("options", "'missing apostrophe");
OptionFileExpander expander = new OptionFileExpander(provider);
try {
expander.expandArguments(Arrays.asList("@options"));
fail();
} catch (IOException e) {
// Expected exception.
}
}
}
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