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.cli.internal;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  import java.io.PrintWriter;
  import java.io.StringWriter;
  import java.io.UnsupportedEncodingException;
  import java.net.URLDecoder;
  
  import org.junit.Before;
  
  /**
   * Base class for command tests.
   */
  public abstract class CommandTestBase {
  
  	protected StringWriter out;
  	protected StringWriter err;
  	protected int result;
  
  	@Before
  	public void before() {
  		out = new StringWriter();
  		err = new StringWriter();
  	}
  
  	protected int execute(String... args) throws Exception {
  		result = new Main(args).execute(new PrintWriter(out),
  				new PrintWriter(err));
  		return result;
  	}
  
  	protected void assertOk() {
  		assertEquals(err.toString(), 0, result);
  	}
  
  	protected void assertFailure() {
  		assertEquals(-1, result);
  	}
  
  	protected void assertNoOutput(StringWriter buffer) {
  		assertEquals("", buffer.toString());
  	}
  
  	protected void assertContains(String expected, StringWriter buffer) {
  		final String content = buffer.toString();
  		assertTrue(content, content.contains(expected));
  	}
  
  	protected void assertContainsNot(String expected, StringWriter buffer) {
  		final String content = buffer.toString();
  		assertFalse(content, content.contains(expected));
  	}
  
  	protected String getClassPath() {
  		final String name = getClass().getName();
  		final String res = "/" + name.replace('.', '/') + ".class";
  		String loc = getClass().getResource(res).getFile();
  		try {
  			loc = URLDecoder.decode(loc, "UTF-8");
  		} catch (UnsupportedEncodingException e) {
  		}
  		return loc.substring(0, loc.length() - res.length());
  	}
  
  }
  