/*******************************************************************************
* Copyright (c) 2009, 2014 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.tools;
import static org.junit.Assert.assertEquals;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import org.jacoco.core.data.ExecutionData;
import org.jacoco.core.data.ExecutionDataReader;
import org.jacoco.core.data.ExecutionDataStore;
import org.jacoco.core.data.ExecutionDataWriter;
import org.jacoco.core.data.SessionInfo;
import org.jacoco.core.data.SessionInfoStore;
import org.jacoco.core.tools.ExecFileLoader;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
/**
* Unit tests for {@link ExecFileLoader}.
*/
public class ExecFileLoaderTest {
@Rule
public final TemporaryFolder sourceFolder = new TemporaryFolder();
private ExecFileLoader loader;
@Before
public void setup() {
loader = new ExecFileLoader();
}
@Test
public void testLoadFile() throws IOException {
loader.load(createFile("a"));
loader.load(createFile("bb"));
assertLoaderContents("a", "bb");
}
@Test
public void testLoadInputStream() throws IOException {
final FileInputStream in1 = new FileInputStream(createFile("a"));
loader.load(in1);
in1.close();
final FileInputStream in2 = new FileInputStream(createFile("bb"));
loader.load(in2);
in2.close();
assertLoaderContents("a", "bb");
}
@Test(expected = IOException.class)
public void testLoadBrokenContent() throws IOException {
final File file = new File(sourceFolder.getRoot(), "broken.exec");
final FileWriter writer = new FileWriter(file);
writer.write("Invalid Content");
writer.close();
loader.load(file);
}
@Test
public void testSaveFile() throws IOException {
final File file = new File(sourceFolder.getRoot(), "target.exec");
// Write invalid data to ensure the file is actually overwritten:
final OutputStream out = new FileOutputStream(file);
out.write("invalid".getBytes());
out.close();
loader.load(createFile("a"));
loader.save(file, false);
assertFileContents(file, "a");
}
@Test
public void testSaveFileAppend() throws IOException {
final File file = createFile("a");
loader.load(createFile("bb"));
loader.save(file, true);
assertFileContents(file, "a", "bb");
}
@Test
public void testCreateSubfolders() throws IOException {
final File file = new File(sourceFolder.getRoot(), "a/b/c/target.exec");
loader.load(createFile("a"));
loader.save(file, true);
assertFileContents(file, "a");
}
private File createFile(String id) throws IOException {
final File file = new File(sourceFolder.getRoot(), id + ".exec");
final FileOutputStream out = new FileOutputStream(file);
final ExecutionDataWriter writer = new ExecutionDataWriter(out);
final int value = id.length();
writer.visitClassExecution(new ExecutionData(value, id, new boolean[0]));
writer.visitSessionInfo(new SessionInfo(id, value, value));
out.close();
return file;
}
private void assertLoaderContents(String... expected) {
assertContents(loader.getExecutionDataStore(),
loader.getSessionInfoStore(), expected);
}
private void assertFileContents(File file, String... expected)
throws IOException {
final InputStream in = new FileInputStream(file);
final ExecutionDataStore execStore = new ExecutionDataStore();
final SessionInfoStore sessionStore = new SessionInfoStore();
final ExecutionDataReader reader = new ExecutionDataReader(in);
reader.setExecutionDataVisitor(execStore);
reader.setSessionInfoVisitor(sessionStore);
reader.read();
assertContents(execStore, sessionStore, expected);
}
private void assertContents(ExecutionDataStore execStore,
SessionInfoStore sessionStore, String... expected) {
final List<SessionInfo> infos = sessionStore.getInfos();
assertEquals(expected.length, execStore.getContents().size());
assertEquals(expected.length, infos.size());
int idx = 0;
for (String id : expected) {
assertEquals(id, execStore.get(id.length()).getName());
assertEquals(id, infos.get(idx++).getId());
}
}
}