content: /*******************************************************************************
   * 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.agent.rt.internal;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  import java.util.Properties;
  
  import org.junit.Test;
  
  /**
   * Unit tests for {@link ConfigLoader}.
   */
  public class ConfigLoaderTest {
  
  	@Test
  	public void testResource() {
  		Properties system = new Properties();
  		Properties config = ConfigLoader.load(
  				"/org/jacoco/agent/rt/internal/agent-test.properties", system);
  
  		assertEquals("tcpclient", config.get("output"));
  	}
  
  	@Test
  	public void testNoResource() {
  		Properties system = new Properties();
  		Properties config = ConfigLoader.load("does-not-exist.properties",
  				system);
  
  		assertTrue(config.isEmpty());
  	}
  
  	@Test
  	public void testSystemProperties() {
  		Properties system = new Properties();
  		system.setProperty("jacoco-agent.output", "mbean");
  		system.setProperty("output", "tcpserver"); // no prefix
  		system.setProperty("jacoco-agent.sessionid", "testid");
  		Properties config = ConfigLoader.load(
  				"/org/jacoco/agent/rt/internal/agent-test.properties", system);
  
  		assertEquals("mbean", config.get("output"));
  		assertEquals("3333", config.get("port"));
  		assertEquals("testid", config.get("sessionid"));
  	}
  
  	@Test
  	public void testSubstituteProperties() {
  		Properties system = new Properties();
  		system.setProperty("user.home", "/home/jacoco");
  		system.setProperty("java.version", "1.5.0");
  		Properties config = ConfigLoader.load(
  				"/org/jacoco/agent/rt/internal/agent-subst-test.properties",
  				system);
  
  		assertEquals("no$replace}", config.get("key0"));
  		assertEquals("/home/jacoco/coverage/jacoco-1.5.0.exec",
  				config.get("key1"));
  		assertEquals("$/home/jacoco", config.get("key2"));
  		assertEquals("/home/jacoco}}", config.get("key3"));
  		assertEquals("${does.not.exist}", config.get("key4"));
  	}
  }
  