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Ant example source code file (JUnitTaskMirrorImpl.java)

This example Ant source code file (JUnitTaskMirrorImpl.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 - Ant tags/keywords

antclassloader, assertionfailederror, io, junitresultformatter, junitresultformatter, junittaskmirrorimpl, junittest, junittest, junittestrunner, string, string, summaryjunitresultformatter, testcase, vmexiterrortest, vmexiterrortest

The JUnitTaskMirrorImpl.java source code

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package org.apache.tools.ant.taskdefs.optional.junit;

import java.io.OutputStream;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import junit.framework.TestResult;
import org.apache.tools.ant.AntClassLoader;

/**
 * Implementation of the part of the junit task which can directly refer to junit.* classes.
 * Public only to permit use of reflection; do not use directly.
 * @see JUnitTaskMirror
 * @see "bug #38799"
 * @since 1.7
 */
public final class JUnitTaskMirrorImpl implements JUnitTaskMirror {

    private final JUnitTask task;

    /**
     * Constructor.
     * @param task the junittask that uses this mirror.
     */
    public JUnitTaskMirrorImpl(JUnitTask task) {
        this.task = task;
    }

    /** {@inheritDoc}. */
    public void addVmExit(JUnitTest test, JUnitTaskMirror.JUnitResultFormatterMirror aFormatter,
            OutputStream out, String message, String testCase) {
        JUnitResultFormatter formatter = (JUnitResultFormatter) aFormatter;
        formatter.setOutput(out);
        formatter.startTestSuite(test);
        //the trick to integrating test output to the formatter, is to
        //create a special test class that asserts an error
        //and tell the formatter that it raised.
        TestCase t = new VmExitErrorTest(message, test, testCase);
        formatter.startTest(t);
        formatter.addError(t, new AssertionFailedError(message));
        formatter.endTestSuite(test);
    }

    /** {@inheritDoc}. */
    public JUnitTaskMirror.JUnitTestRunnerMirror newJUnitTestRunner(JUnitTest test,
            boolean haltOnError, boolean filterTrace, boolean haltOnFailure,
            boolean showOutput, boolean logTestListenerEvents, AntClassLoader classLoader) {
        return new JUnitTestRunner(test, haltOnError, filterTrace, haltOnFailure,
                showOutput, logTestListenerEvents, classLoader);
    }

    /** {@inheritDoc}. */
    public JUnitTaskMirror.SummaryJUnitResultFormatterMirror newSummaryJUnitResultFormatter() {
        return new SummaryJUnitResultFormatter();
    }

    static class VmExitErrorTest extends TestCase {

        private String message;
        private JUnitTest test;
        private String testCase;

        VmExitErrorTest(String aMessage, JUnitTest anOriginalTest, String aTestCase) {
            message = aMessage;
            test = anOriginalTest;
            testCase = aTestCase;
        }

        public int countTestCases() {
            return 1;
        }

        public void run(TestResult r) {
            throw new AssertionFailedError(message);
        }

        public String getName() {
            return testCase;
        }

        String getClassName() {
            return test.getName();
        }

        public String toString() {
            return test.getName() + ":" + testCase;
        }
    }
}

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