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/*******************************************************************************
* Copyright (c) 2009, 2019 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.IOException;
import java.io.Reader;
import java.util.HashMap;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
/**
* Unit tests for {@link MultiSourceFileLocator}.
*/
public class MultiSourceFileLocatorTest {
private MultiSourceFileLocator locator;
@Before
public void setup() {
locator = new MultiSourceFileLocator(7);
}
@Test
public void testGetTabWidth() throws IOException {
assertEquals(7, locator.getTabWidth());
}
@Test
public void testEmpty() throws IOException {
assertNull(locator.getSourceFile("org/jacoco/example", "Test.java"));
}
@Test
public void testNohit() throws IOException {
final StubLocator loc1 = new StubLocator();
locator.add(loc1);
final StubLocator loc2 = new StubLocator();
locator.add(loc2);
final StubLocator loc3 = new StubLocator();
locator.add(loc3);
assertNull(locator.getSourceFile("org/jacoco/example", "Test.java"));
}
@Test
public void testHit() throws IOException {
final StubLocator loc1 = new StubLocator();
loc1.put("org/jacoco/example/Test1.java", '1');
locator.add(loc1);
final StubLocator loc2 = new StubLocator();
loc2.put("org/jacoco/example/Test2.java", '2');
locator.add(loc2);
final StubLocator loc3 = new StubLocator();
loc3.put("org/jacoco/example/Test3.java", '3');
locator.add(loc3);
final Reader source = locator.getSourceFile("org/jacoco/example",
"Test2.java");
assertNotNull(source);
assertEquals('2', source.read());
}
@Test
public void testPrecedence() throws IOException {
final StubLocator loc1 = new StubLocator();
loc1.put("org/jacoco/example/TestX.java", '1');
locator.add(loc1);
final StubLocator loc2 = new StubLocator();
loc2.put("org/jacoco/example/Test.java", '2');
locator.add(loc2);
final StubLocator loc3 = new StubLocator();
loc3.put("org/jacoco/example/Test.java", '3');
locator.add(loc3);
final Reader source = locator.getSourceFile("org/jacoco/example",
"Test.java");
assertNotNull(source);
assertEquals('2', source.read());
}
private static class StubLocator implements ISourceFileLocator {
private final Map<String, Reader> sources = new HashMap<String, Reader>();
void put(String path, char content) {
sources.put(path, new StubReader(content));
}
public Reader getSourceFile(String packageName, String fileName)
throws IOException {
return sources.get(packageName + "/" + fileName);
}
public int getTabWidth() {
return 0;
}
}
private static class StubReader extends Reader {
private final char content;
StubReader(char content) {
this.content = content;
}
@Override
public int read(char[] cbuf, int off, int len) throws IOException {
for (int idx = 0; idx < len; idx++) {
cbuf[off + idx] = content;
}
return len;
}
@Override
public void close() throws IOException {
}
}
}
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