| /******************************************************************************* |
| * 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: |
| * 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()); |
| } |
| |
| } |