[Clirr-devel] CVS: clirr/src/test/net/sf/clirr/checks AbstractCheckTestCase.java,NONE,1.1 GenderChangeCheckTest.java,NONE,1.1 TestDiffListener.java,NONE,1.1

[Lars K?h. <lk...@us...>]

Update of /cvsroot/clirr/clirr/src/test/net/sf/clirr/checks
In directory sc8-pr-cvs1:/tmp/cvs-serv23255/src/test/net/sf/clirr/checks

Added Files:
	AbstractCheckTestCase.java GenderChangeCheckTest.java 
	TestDiffListener.java 
Log Message:
a great day for Clirr - started to add unit tests

--- NEW FILE ---
package net.sf.clirr.checks;

import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;

import junit.framework.TestCase;
import net.sf.clirr.Checker;
import net.sf.clirr.CheckerFactory;
import net.sf.clirr.event.ApiDifference;
import net.sf.clirr.framework.ClassChangeCheck;
import org.apache.bcel.util.ClassSet;

/**
 * Abstract Baseclass to test individual Checks.
 * @author lkuehne
 */
public abstract class AbstractCheckTestCase extends TestCase
{
    protected final File getTestInputDir()
    {
        // property is set in project.properties
        return new File(System.getProperty("testinput"));
    }

    protected void verify(
            Checker checker,
            ClassSet baseline, ClassSet current,
            ApiDifference[] expected)
    {
    }

    protected File[] getBaseLine()
    {
        return new File[]{
            new File(getTestInputDir(), "testlib-v1.jar")
        };
    }

    protected File[] getCurrent()
    {
        return new File[]{
            new File(getTestInputDir(), "testlib-v2.jar")
        };
    }

    protected void verify(ApiDifference[] expected)
    {
        TestDiffListener tdl = new TestDiffListener();
        Checker checker = CheckerFactory.createChecker(createCheck(tdl));
        checker.reportDiffs(getBaseLine(), getCurrent(), new URLClassLoader(new URL[]{}), new URLClassLoader(new URL[]{}));
        tdl.checkExpected(expected);
    }

    /**
     * Creates a check and sets it up so ApiDifferences are reported to the test diff listener.
     *
     * @param tdl the test diff listener that records the recognized api changes.
     * @return the confiured check
     */
    protected abstract ClassChangeCheck createCheck(TestDiffListener tdl);
}

--- NEW FILE ---
package net.sf.clirr.checks;

import net.sf.clirr.event.ApiDifference;
import net.sf.clirr.event.Severity;
import net.sf.clirr.framework.ClassChangeCheck;

public class GenderChangeCheckTest extends AbstractCheckTestCase
{
    public void testGenderChangeCheckTest()
    {
        ApiDifference[] expected = new ApiDifference[] {
            new ApiDifference("Changed Gender of testlib.ClassBecomesInterface", Severity.ERROR),
            new ApiDifference("Changed Gender of testlib.InterfaceBecomesClass", Severity.ERROR),
        };
        verify(expected);
    }

    protected final ClassChangeCheck createCheck(TestDiffListener tdl) {
        return new GenderChangeCheck(tdl);
    }

}

--- NEW FILE ---
package net.sf.clirr.checks;

import java.util.Set;
import java.util.HashSet;
import java.util.Iterator;

import net.sf.clirr.framework.ApiDiffDispatcher;
import net.sf.clirr.event.ApiDifference;
import junit.framework.TestCase;

class TestDiffListener implements ApiDiffDispatcher
{
        private Set diffs = new HashSet();

        public void fireDiff(ApiDifference difference)
        {
            diffs.add(difference);
        }

        public void checkExpected(ApiDifference[] expected)
        {
            HashSet expectedDiffs = new HashSet();
            for (int i = 0; i < expected.length; i++) {
                ApiDifference apiDifference = expected[i];
                expectedDiffs.add(apiDifference);
            }

            for (Iterator it = expectedDiffs.iterator(); it.hasNext();) {
                ApiDifference apiDifference = (ApiDifference) it.next();
                TestCase.assertTrue("expected diff " + apiDifference + " was not generated",
                        diffs.contains(apiDifference));
            }

            for (Iterator it = diffs.iterator(); it.hasNext();) {
                ApiDifference apiDifference = (ApiDifference) it.next();
                TestCase.assertTrue("unexpected diff " + apiDifference,
                        expectedDiffs.contains(apiDifference));
            }
        }
}