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/*******************************************************************************
* Copyright (c) 2009, 2011 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.core.analysis;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import org.jacoco.core.data.ExecutionDataStore;
import org.jacoco.core.test.TargetLoader;
import org.junit.Before;
import org.junit.Test;
/**
* Unit tests for {@link Analyzer}.
*/
public class AnalyzerTest {
private Analyzer analyzer;
private final Set<String> classes = new HashSet<String>();
private class EmptyStructureVisitor implements ICoverageVisitor {
public void visitCoverage(IClassCoverage coverage) {
final String name = coverage.getName();
assertTrue("Class already processed: " + name, classes.add(name));
}
}
@Before
public void setup() {
analyzer = new Analyzer(new ExecutionDataStore(),
new EmptyStructureVisitor());
}
@Test
public void testAnalyzeClass1() throws IOException {
analyzer.analyzeClass(TargetLoader.getClassData(AnalyzerTest.class));
assertEquals(
Collections.singleton("org/jacoco/core/analysis/AnalyzerTest"),
classes);
}
@Test
public void testAnalyzeClass2() throws IOException {
analyzer.analyzeClass(TargetLoader
.getClassDataAsBytes(AnalyzerTest.class));
assertEquals(
Collections.singleton("org/jacoco/core/analysis/AnalyzerTest"),
classes);
}
@Test
public void testAnalyzeArchive() throws IOException {
final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
final ZipOutputStream zip = new ZipOutputStream(buffer);
zip.putNextEntry(new ZipEntry(
"org/jacoco/core/analysis/AnalyzerTest.class"));
zip.write(TargetLoader.getClassDataAsBytes(AnalyzerTest.class));
zip.finish();
final int count = analyzer.analyzeArchive(new ByteArrayInputStream(
buffer.toByteArray()));
assertEquals(1, count);
assertEquals(
Collections.singleton("org/jacoco/core/analysis/AnalyzerTest"),
classes);
}
@Test
public void testAnalyzeAll1() throws IOException {
final int count = analyzer.analyzeAll(TargetLoader
.getClassData(AnalyzerTest.class));
assertEquals(1, count);
assertEquals(
Collections.singleton("org/jacoco/core/analysis/AnalyzerTest"),
classes);
}
@Test
public void testAnalyzeAll2() throws IOException {
final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
final ZipOutputStream zip = new ZipOutputStream(buffer);
zip.putNextEntry(new ZipEntry(
"org/jacoco/core/analysis/AnalyzerTest.class"));
zip.write(TargetLoader.getClassDataAsBytes(AnalyzerTest.class));
zip.finish();
final int count = analyzer.analyzeAll(new ByteArrayInputStream(buffer
.toByteArray()));
assertEquals(1, count);
assertEquals(
Collections.singleton("org/jacoco/core/analysis/AnalyzerTest"),
classes);
}
@Test
public void testAnalyzeAll3() throws IOException {
final int count = analyzer.analyzeAll(new ByteArrayInputStream(
new byte[0]));
assertEquals(0, count);
assertEquals(Collections.emptySet(), classes);
}
}
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