Cobertura example source code file (ClassDataTest.java)

This example Cobertura source code file (ClassDataTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Cobertura tags/keywords

classdata, classdata, collection, defaultpackageclass, defaultpackageclass, helloworld, i, i, identitywrapp, illegalargumentexception, integer, integer, packagedata, testcase, util

The Cobertura ClassDataTest.java source code

/*
 * Cobertura - http://cobertura.sourceforge.net/
 *
 * Copyright (C) 2003 jcoverage ltd.
 * Copyright (C) 2005 Mark Doliner
 * Copyright (C) 2006 Jiri Mares
 *
 * Cobertura is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * Cobertura 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Cobertura; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

package net.sourceforge.cobertura.coveragedata;

import java.util.Collection;

import junit.framework.TestCase;

public class ClassDataTest extends TestCase
{

	private final ClassData a = new ClassData("com.example.HelloWorld");
	private final ClassData b = new ClassData("com.example.HelloWorld");
	private final ClassData c = new ClassData("com.example.HelloWorld");
	private final ClassData defPckg = new ClassData("DefaultPackageClass");

	public void setUp()
	{
		a.setSourceFileName("com/example/HelloWorld.java");
		b.setSourceFileName("com/example/HelloWorld.java");
		c.setSourceFileName("com/example/HelloWorld.java");
		defPckg.setSourceFileName("DefaultPackageClass.java");

		for (int i = 1; i <= 5; i++)
			b.addLine(i, "test", "(I)B");
		for (int i = 1; i <= 5; i++)
			c.addLine(i, "test", "(I)B");
		for (int i = 1; i <= 5; i++)
			defPckg.addLine(i, "test", "(I)B");

		b.touch(1,1);
		b.touch(2,1);
	}

	public void testBranch()
	{
		// Setting an invalid line as a branch should not make the line valid
		assertFalse(a.hasBranch(2));
		a.addLineJump(2, 0);
		assertFalse(a.hasBranch(2));

		assertFalse(b.hasBranch(2));
		b.addLineJump(2, 0);
		assertTrue(b.hasBranch(2));

		assertTrue(b.hasBranch(2));
		b.addLineJump(2, 1);
		assertTrue(b.hasBranch(2));

		assertFalse(b.hasBranch(4));
		b.addLineSwitch(4, 0, 1, 9);
		assertTrue(b.hasBranch(4));

		Collection branches = b.getBranches();
		assertEquals(2, branches.size());
		assertEquals(14, b.getNumberOfValidBranches());
		assertTrue(branches.contains(new Integer(2)));
		assertTrue(branches.contains(new Integer(4)));
		//assertTrue(branches.contains(new LineData(2, "test", "(I)B")));
		//assertTrue(branches.contains(new LineData(4, "test", "(I)B")));
	}

	public void testBranchCoverage()
	{
		assertEquals(0, a.getNumberOfValidBranches());
		assertEquals(0, b.getNumberOfValidBranches());
		assertEquals(1.00d, a.getBranchCoverageRate(), 0d);
		assertEquals(1.00d, b.getBranchCoverageRate(), 0d);

		assertEquals(1.00d, a.getBranchCoverageRate("test(I)B"), 0d);
		assertEquals(1.00d, b.getBranchCoverageRate("test(I)B"), 0d);

		c.addLineJump(1, 0);
		c.addLineJump(2, 0);
		c.addLineSwitch(3, 0, 1, 3);
		c.addLineSwitch(4, 0, 1, 3);

		assertEquals(12, c.getNumberOfValidBranches());
		assertEquals(0, c.getNumberOfCoveredBranches());
		assertEquals(0.00d, c.getBranchCoverageRate(), 0d);
		assertEquals(0.00d, c.getBranchCoverageRate("test(I)B"), 0d);

		c.touchJump(1, 0, true,1);
		c.touchJump(1, 0, false,1);
		c.touchJump(2, 0, true,1);
		c.touchJump(2, 0, false,1);

		assertEquals(12, c.getNumberOfValidBranches());
		assertEquals(4, c.getNumberOfCoveredBranches());
		assertEquals(0.33d, c.getBranchCoverageRate(), 0.01d);
		assertEquals(0.33d, c.getBranchCoverageRate("test(I)B"), 0.01d);

		c.touchSwitch(3, 0, 0,1);
		c.touchSwitch(3, 0, 1,1);
		c.touchSwitch(4, 0, 2,1);
		c.touchSwitch(4, 0, -1,1);
		
		assertEquals(12, c.getNumberOfValidBranches());
		assertEquals(8, c.getNumberOfCoveredBranches());
		assertEquals(0.66d, c.getBranchCoverageRate(), 0.01d);
		assertEquals(0.66d, c.getBranchCoverageRate("test(I)B"), 0.01d);
	}

	public void testConstructor()
	{
		try
		{
			new ClassData(null);
			fail("Expected an IllegalArgumentException but did not receive one!");
		}
		catch (IllegalArgumentException e)
		{
			// Good!
		}

		assertEquals("HelloWorld", a.getBaseName());
		assertEquals("com.example", a.getPackageName());
		assertEquals("com.example.HelloWorld", a.getName());
		
		assertEquals("DefaultPackageClass", defPckg.getBaseName());
		assertEquals("", defPckg.getPackageName());
		assertEquals("DefaultPackageClass", defPckg.getName());
	}

	public void testEquals()
	{
		assertFalse(a.equals(null));
		assertFalse(a.equals(new Integer(4)));
		assertFalse(a.equals(new PackageData("com.example")));

		assertTrue(a.equals(a));
		assertFalse(a.equals(b));
		assertFalse(a.equals(c));
		assertFalse(a.equals(defPckg));
		assertFalse(b.equals(a));
		assertTrue(b.equals(b));
		assertFalse(b.equals(c));
		assertFalse(b.equals(defPckg));
		assertFalse(c.equals(a));
		assertFalse(c.equals(b));
		assertTrue(c.equals(c));
		assertFalse(c.equals(defPckg));
		assertFalse(defPckg.equals(a));
		assertFalse(defPckg.equals(b));
		assertFalse(defPckg.equals(c));
		assertTrue(defPckg.equals(defPckg));
		

		c.touch(1,1);
		c.touch(2,1);
		assertTrue(b.equals(c));
	}

	public void testLineCoverage()
	{
		assertEquals(0, a.getNumberOfCoveredLines());
		assertEquals(0, a.getNumberOfValidLines());
		assertEquals(2, b.getNumberOfCoveredLines());
		assertEquals(5, b.getNumberOfValidLines());
		assertEquals(0, c.getNumberOfCoveredLines());
		assertEquals(5, c.getNumberOfValidLines());
		assertEquals(1d, a.getLineCoverageRate(), 0d);
		assertEquals(0.4d, b.getLineCoverageRate(), 0d);
		assertEquals(0d, c.getLineCoverageRate(), 0d);

		assertEquals(1d, a.getLineCoverageRate("test(I)B"), 0d);
		assertEquals(0.4d, b.getLineCoverageRate("test(I)B"), 0d);
		assertEquals(0d, c.getLineCoverageRate("test(I)B"), 0d);

		assertEquals(1d, a.getLineCoverageRate("notReal(I)B"), 0d);
		assertEquals(1d, b.getLineCoverageRate("notReal(I)B"), 0d);
		assertEquals(1d, c.getLineCoverageRate("notReal(I)B"), 0d);
	}

	public void testRemoveLine()
	{
		assertEquals(0, a.getNumberOfValidBranches());
		assertEquals(0, a.getNumberOfCoveredBranches());
		assertEquals(0, a.getNumberOfValidLines());
		a.removeLine(3);
		assertEquals(0, a.getNumberOfValidBranches());
		assertEquals(0, a.getNumberOfCoveredBranches());
		assertEquals(0, a.getNumberOfValidLines());

		assertEquals(0, b.getNumberOfValidBranches());
		assertEquals(0, a.getNumberOfCoveredBranches());
		assertEquals(5, b.getNumberOfValidLines());
		b.removeLine(3);
		assertEquals(0, b.getNumberOfValidBranches());
		assertEquals(0, a.getNumberOfCoveredBranches());
		assertEquals(4, b.getNumberOfValidLines());

		c.addLineJump(2, 0);
		c.addLineSwitch(3, 0, 1, 2);
		c.addLineJump(3, 0);
		c.addLineJump(4, 0);
		assertEquals(9, c.getNumberOfValidBranches());
		assertEquals(0, a.getNumberOfCoveredBranches());
		assertEquals(5, c.getNumberOfValidLines());
		c.removeLine(3);
		assertEquals(4, c.getNumberOfValidBranches());
		assertEquals(0, a.getNumberOfCoveredBranches());
		assertEquals(4, c.getNumberOfValidLines());
	}

	public void testSourceFileName()
	{
		a.setSourceFileName(null);
		assertEquals("com/example/HelloWorld.java", a.getSourceFileName());
		a.setSourceFileName("HelloWorld.java");
		assertEquals("com/example/HelloWorld.java", a.getSourceFileName());

		ClassData d = new ClassData("org.jaxen.expr.IdentitySet$IdentityWrapp");
		assertEquals("org/jaxen/expr/IdentitySet.java", d.getSourceFileName());

		ClassData e = new ClassData("org.jaxen.expr.NodeComparator$1");
		assertEquals("org/jaxen/expr/NodeComparator.java", e.getSourceFileName());
		
		assertEquals( "DefaultPackageClass.java", defPckg.getSourceFileName());
		
		ClassData f = new ClassData("$strangeClass");
		assertEquals( "$strangeClass.java", f.getSourceFileName());
	}

	public void testTouch()
	{
		int line = 3;

		assertFalse(a.isValidSourceLineNumber(line));
		a.touch(line,1);
		assertTrue(a.isValidSourceLineNumber(line));

		assertTrue(b.isValidSourceLineNumber(line));
		assertEquals(0, b.getLineCoverage(line).getHits());
		b.touch(line,1);
		assertTrue(b.isValidSourceLineNumber(line));
		assertEquals(1, b.getLineCoverage(line).getHits());
		b.touch(line,1);
		assertEquals(2, b.getLineCoverage(line).getHits());
		assertTrue(b.isValidSourceLineNumber(line));
	}

}