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PatternTesting Runtime (patterntesting-rt) is the runtime component for the PatternTesting framework. It provides the annotations and base classes for the PatternTesting testing framework (e.g. patterntesting-check, patterntesting-concurrent or patterntesting-exception) but can be also used standalone for classpath monitoring or profiling. It uses AOP and AspectJ to perform this feat.

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/*
 * $Id: SmokeTest.java,v 1.4 2011/07/09 21:43:23 oboehm Exp $
 *
 * Copyright (c) 2010 by Oliver Boehm
 *
 * Licensed 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 orimplied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * (c)reated 29.07.2010 by oliver ([email protected])
 */

package patterntesting.runtime;

import static org.junit.Assert.*;

import java.io.FileFilter;

import org.apache.commons.io.filefilter.FileFilterUtils;
import org.junit.Test;
import org.slf4j.*;


/**
 * This tests checks some preconditions for PatternTesting Runtime.
 * If one of these tests fails PatternTesting may work not correct.
 * This class is part of src/main/java so that everybody can call this
 * tests to check if one of the preconditions are broken.
 * 

 * This class is not final so that you can extend it for your own needs.
 *
 * @author oliver
 * @since 1.0.2 (29.07.2010)
 */
public class SmokeTest {

    private static final Logger log = LoggerFactory.getLogger(SmokeTest.class);

    /**
     * For the ClasspathMonitor and ClassWalker we need the commons-io lib.
     * And at least version 1.3.1 of commons-io is needed because the
     * FileFilter and DirectoryWalker of this lib is used.
     * 

     * If you use commons-io-1.2 you may get a NoSuchMethodError and
     *      * java.lang.NoSuchMethodError: org.apache.commons.io.filefilter.FileFilterUtils.fileFileFilter()Lorg/apache/commons/io/filefilter/IOFileFilter;
     *    patterntesting.runtime.monitor.ClassWalker.getFileFilter(ClassWalker.java:65)
     *    patterntesting.runtime.monitor.ClassWalker.(ClassWalker.java:48)
     *    patterntesting.runtime.monitor.ClasspathMonitor.addClassesFromDir_aroundBody38(ClasspathMonitor.java:884)
     *    patterntesting.runtime.monitor.ClasspathMonitor.addClassesFromDir_aroundBody39$advice(ClasspathMonitor.java:49)
     *    patterntesting.runtime.monitor.ClasspathMonitor.addClassesFromDir(ClasspathMonitor.java:1)
     *    patterntesting.runtime.monitor.ClasspathMonitor.addClasses(ClasspathMonitor.java:864)
     *    patterntesting.runtime.monitor.ClasspathMonitor.getClasspathClassSet_aroundBody36(ClasspathMonitor.java:847)
     *    patterntesting.runtime.monitor.ClasspathMonitor.getClasspathClassSet_aroundBody37$advice(ClasspathMonitor.java:49)
     *    patterntesting.runtime.monitor.ClasspathMonitor.getClasspathClassSet(ClasspathMonitor.java:1)
     *    patterntesting.runtime.monitor.ClasspathMonitor.(ClasspathMonitor.java:119)
     *    patterntesting.runtime.monitor.ClasspathMonitor.(ClasspathMonitor.java:109)
     *    ...
     * 
     * as stacktrace.
     */
    @Test
    public final void testCommonsIO() {
        try {
            FileFilter filter = FileFilterUtils.fileFileFilter();
            assertNotNull(filter);
        } catch (NoSuchMethodError e) {
            log.error("your commons-io lib is probably to old", e);
            fail("use commons-io-1.3.1.jar or newer (" + e + ")");
        }
    }

}