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/*******************************************************************************
* 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:
* Brock Janiczak - initial API and implementation
*
*******************************************************************************/
package org.jacoco.agent.rt.internal.output;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import org.jacoco.agent.rt.internal.output.FileOutput;
import org.jacoco.core.runtime.AgentOptions;
import org.jacoco.core.runtime.RuntimeData;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
/**
* Unit tests for {@link FileOutput}.
*/
public class FileOutputTest {
@Rule
public TemporaryFolder folder = new TemporaryFolder();
@Test
public void testCreateDestFileOnStartup() throws Exception {
File destFile = folder.newFile("jacoco.exec");
AgentOptions options = new AgentOptions();
options.setDestfile(destFile.getAbsolutePath());
FileOutput controller = new FileOutput();
controller.startup(options, new RuntimeData());
assertTrue("Execution data file should be created", destFile.exists());
assertEquals("Execution data file should be empty", 0,
destFile.length());
}
@Test
public void testWriteData() throws Exception {
File destFile = folder.newFile("jacoco.exec");
AgentOptions options = new AgentOptions();
options.setDestfile(destFile.getAbsolutePath());
FileOutput controller = new FileOutput();
controller.startup(options, new RuntimeData());
controller.writeExecutionData(false);
controller.shutdown();
assertTrue("Execution data file should be created", destFile.exists());
assertTrue("Execution data file should have contents",
destFile.length() > 0);
}
@Test(expected = IOException.class)
public void testInvalidDestFile() throws Exception {
AgentOptions options = new AgentOptions();
options.setDestfile(folder.newFolder("folder").getAbsolutePath());
FileOutput controller = new FileOutput();
// Startup should fail as the file can not be created:
controller.startup(options, new RuntimeData());
}
}
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