PackageDependenciesTest.java example

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/*
 * Contributions to FindBugs
 * Copyright (C) 2009, Tom\u00e1s Pollak
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package edu.umd.cs.findbugs.architecture;

import jdepend.framework.JDepend;
import jdepend.framework.JavaPackage;
import junit.framework.TestCase;

/**
 * Verifies the package dependencies.
 *
 * @author Tom\u00e1s Pollak
 * @author Andrei Loskutov
 */
public class PackageDependenciesTest extends TestCase {
	private JDepend engine;

	public void testGui2Dependencies() {
		String expectedNotEfferent = "edu.umd.cs.findbugs.gui2";

		assertPackageConstraint("edu.umd.cs.findbugs", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.asm", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.ba", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.bcel", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.classfile", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.cloud", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.cloud.db", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.detect", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.graph", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.io", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.log", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.model", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.plan", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.util", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.visitclass", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.xml", expectedNotEfferent);

	}

	public void testCloudDependencies() {
		String expectedNotEfferent = "edu.umd.cs.findbugs.cloud.db";
		assertPackageConstraint("edu.umd.cs.findbugs", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.asm", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.ba", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.bcel", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.classfile", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.cloud", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.detect", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.graph", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.io", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.log", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.model", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.plan", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.util", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.visitclass", expectedNotEfferent);
		assertPackageConstraint("edu.umd.cs.findbugs.xml", expectedNotEfferent);
	}

	@Override
	protected void setUp() throws Exception {
		super.setUp();

		// Get the classes root directory
		String rootDirectory = getClass().getResource("/").getFile();

		// Setup the JDepend analysis
		engine = new JDepend();
		engine.addDirectory(rootDirectory);
		engine.analyze();
	}

	@Override
	protected void tearDown() throws Exception {
		engine = null;

		super.tearDown();
	}

	private void assertPackageConstraint(String afferent, String expectedNotEfferent) {
		JavaPackage afferentPackage = engine.getPackage(afferent);
		JavaPackage efferentPackage = engine.getPackage(expectedNotEfferent);
		assertFalse(afferentPackage.getName() + " shouldn't depend on " + efferentPackage.getName(), afferentPackage
				.getEfferents().contains(efferentPackage));
	}
}