001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     * 
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     * 
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */ 
017    
018    package org.apache.commons.logging.simple;
019    
020    import java.text.DateFormat;
021    import java.text.SimpleDateFormat;
022    import java.util.Date;
023    
024    import junit.framework.Test;
025    
026    import org.apache.commons.logging.PathableClassLoader;
027    import org.apache.commons.logging.PathableTestSuite;
028    
029    
030    /**
031     * Tests custom date time format configuration
032     */
033    public class DateTimeCustomConfigTestCase extends CustomConfigTestCase {
034        
035        // ----------------------------------------------------------- Constructors
036    
037        /**
038         * Return the tests included in this test suite.
039         * <p>
040         * We need to use a PathableClassLoader here because the SimpleLog class
041         * is a pile of junk and chock-full of static variables. Any other test
042         * (like simple.CustomConfigTestCase) that has used the SimpleLog class
043         * will already have caused it to do once-only initialisation that we
044         * can't reset, even by calling LogFactory.releaseAll, because of those
045         * ugly statics. The only clean solution is to load a clean copy of
046         * commons-logging including SimpleLog via a nice clean classloader.
047         * Or we could fix SimpleLog to be sane...
048         */
049        public static Test suite() throws Exception {
050            Class thisClass = DateTimeCustomConfigTestCase.class;
051    
052            PathableClassLoader loader = new PathableClassLoader(null);
053            loader.useExplicitLoader("junit.", Test.class.getClassLoader());
054            loader.addLogicalLib("testclasses");
055            loader.addLogicalLib("commons-logging");
056            
057            Class testClass = loader.loadClass(thisClass.getName());
058            return new PathableTestSuite(testClass, loader);
059        }
060    
061    
062        /**
063         * Set up system properties required by this unit test. Here, we
064         * set up the props defined in the parent class setProperties method, 
065         * and add a few to configure the SimpleLog class date/time output.
066         */
067        public void setProperties() {
068            super.setProperties();
069            
070            System.setProperty(
071                "org.apache.commons.logging.simplelog.dateTimeFormat",
072                "dd.mm.yyyy");
073            System.setProperty(
074                "org.apache.commons.logging.simplelog.showdatetime",
075                "true");
076        }
077    
078        /**
079         * Set up instance variables required by this test case.
080         */
081        public void setUp() throws Exception {
082            super.setUp();
083        }
084    
085    
086        // ----------------------------------------------------------- Methods
087    
088        /** Checks that the date time format has been successfully set */
089        protected void checkDecoratedDateTime() {
090            assertEquals("Expected date format to be set", "dd.mm.yyyy",
091                         ((DecoratedSimpleLog) log).getDateTimeFormat());
092            
093            // try the formatter
094            Date now = new Date();
095            DateFormat formatter = ((DecoratedSimpleLog) log).getDateTimeFormatter(); 
096            SimpleDateFormat sampleFormatter = new SimpleDateFormat("dd.mm.yyyy");
097            assertEquals("Date should be formatters to pattern dd.mm.yyyy", sampleFormatter.format(now), formatter.format(now));
098        }
099        
100        /** Hook for subclassses */
101        protected void checkShowDateTime() {
102            assertTrue(((DecoratedSimpleLog) log).getShowDateTime());
103        }
104        
105    }