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/*******************************************************************************
* Copyright (c) 2009, 2018 Mountainminds GmbH & Co. KG and Contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.report;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
/**
* Unit tests for {@link DirectorySourceFileLocator}.
*/
public class DirectorySourceFileLocatorTest {
@Rule
public final TemporaryFolder sourceFolder = new TemporaryFolder();
private ISourceFileLocator locator;
@Before
public void setup() {
locator = new DirectorySourceFileLocator(sourceFolder.getRoot(),
"UTF-8", 4);
}
@Test
public void testGetSourceFileNegative() throws IOException {
assertNull(locator.getSourceFile("org/jacoco/example",
"DoesNotExist.java"));
}
@Test
public void testGetSourceFile() throws IOException {
createFile("org/jacoco/example/Test.java");
final Reader source = locator.getSourceFile("org/jacoco/example",
"Test.java");
assertContent(source);
}
private void createFile(String path) throws IOException {
final File file = new File(sourceFolder.getRoot(), path);
file.getParentFile().mkdirs();
final Writer writer = new OutputStreamWriter(
new FileOutputStream(file), "UTF-8");
writer.write("Source");
writer.close();
}
private void assertContent(Reader source) throws IOException {
assertNotNull(source);
final BufferedReader buffer = new BufferedReader(source);
assertEquals("Source", buffer.readLine());
assertNull(buffer.readLine());
buffer.close();
}
}
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