src/test/org/apache/commons/digester/WDRulesWrapperTestCase.java

/* $Id$
 *
 * Copyright 2001-2004 The Apache Software Foundation.
 * 
 * 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 or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */ 

package org.apache.commons.digester;

import java.util.List;

import junit.framework.TestCase;

/**
 * Test case for WithDefaultsRulesWrapper
 *
 * @author Robert Burrell Donkin
 * @version $Revision$ $Date$
 */

public class WDRulesWrapperTestCase extends TestCase {
    
    /** Base constructor */
    public WDRulesWrapperTestCase(String name) {
        super(name);
    }
    
    public void testClear() {
        // test clear wrapped
        WithDefaultsRulesWrapper rules = new WithDefaultsRulesWrapper(new RulesBase());
        rules.add("alpha", new TestRule("Tom"));
        rules.add("alpha", new TestRule("Dick"));
        rules.add("alpha", new TestRule("Harry"));
        
        assertNotNull("Rules should not be null",  rules.rules());
        assertEquals("Wrong number of rules registered (1)", 3 , rules.rules().size());
        rules.clear();
        assertEquals("Clear Failed (1)", 0 , rules.rules().size());
        
        // mixed
        rules.add("alpha", new TestRule("Tom"));
        rules.add("alpha", new TestRule("Dick"));
        rules.add("alpha", new TestRule("Harry"));
        rules.addDefault(new TestRule("Roger"));
        assertEquals("Wrong number of rules registered (2)", 4 , rules.rules().size());
        rules.clear();
        assertEquals("Clear Failed (2)", 0 , rules.rules().size());
        
        rules.addDefault(new TestRule("Roger"));
        assertEquals("Wrong number of rules registered (3)", 1 , rules.rules().size());
        rules.clear();
        assertEquals("Clear Failed (3)", 0 , rules.rules().size());
    }
    
    public void testRules() {
        // test rules
        WithDefaultsRulesWrapper rules = new WithDefaultsRulesWrapper(new RulesBase());
        rules.add("alpha", new TestRule("Tom"));
        rules.add("alpha", new TestRule("Dick"));
        rules.addDefault(new TestRule("Roger"));
        rules.add("alpha", new TestRule("Harry"));
        
        assertNotNull("Rules should not be null",  rules.rules());
        assertEquals("Wrong order (1)", "Tom" , ((TestRule) rules.rules().get(0)).getIdentifier());
        assertEquals("Wrong order (2)", "Dick" , ((TestRule) rules.rules().get(1)).getIdentifier());
        assertEquals("Wrong order (3)", "Roger" , ((TestRule) rules.rules().get(2)).getIdentifier());
        assertEquals("Wrong order (4)", "Harry" , ((TestRule) rules.rules().get(3)).getIdentifier());
    }
    
    public void testMatch() {
        // test no defaults
        WithDefaultsRulesWrapper rules = new WithDefaultsRulesWrapper(new RulesBase());
        rules.add("alpha", new TestRule("Tom"));
        rules.add("alpha", new TestRule("Dick"));
        rules.add("alpha", new TestRule("Harry"));
        rules.addDefault(new TestRule("Roger"));
        rules.addDefault(new TestRule("Rabbit"));
        
        List matches = rules.match("", "alpha");
        assertEquals("Wrong size (1)", 3 , matches.size());
        assertEquals("Wrong order (1)", "Tom" , ((TestRule) matches.get(0)).getIdentifier());
        assertEquals("Wrong order (2)", "Dick" , ((TestRule) matches.get(1)).getIdentifier());
        assertEquals("Wrong order (3)", "Harry" , ((TestRule) matches.get(2)).getIdentifier());
        
        matches = rules.match("", "not-alpha");
        assertEquals("Wrong size (2)", 2 , matches.size());
        assertEquals("Wrong order (4)", "Roger" , ((TestRule) matches.get(0)).getIdentifier());
        assertEquals("Wrong order (5)", "Rabbit" , ((TestRule) matches.get(1)).getIdentifier());
    }
}