/* $Id: TestLocalRules.java 179714 2005-06-03 03:53:39Z skitching $
 *
 * 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.plugins;

import java.util.List;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.apache.commons.digester.Digester;

/**
 * Test cases for defining custom rules on the plugin class itself.
 */

public class TestLocalRules extends TestCase {
    /** Standard constructor */
    public TestLocalRules(String name) { 
        super(name);
    }

    /** Set up instance variables required by this test case. */
    public void setUp() {}

    /** Return the tests included in this test suite. */
    public static Test suite() {

        return (new TestSuite(TestLocalRules.class));

    }

    /** Tear down instance variables required by this test case.*/
    public void tearDown() {}
        
    // --------------------------------------------------------------- Test cases
    
    public void testLocalRules() throws Exception {
        // * tests that the plugin class can define an addRules method,
        //   which gets detected and executed.
        Digester digester = new Digester();
        PluginRules rc = new PluginRules();
        digester.setRules(rc);
        
        PluginDeclarationRule pdr = new PluginDeclarationRule();
        digester.addRule("root/plugin", pdr);
        
        PluginCreateRule pcr2 = new PluginCreateRule(Widget.class);
        digester.addRule("root/widget", pcr2);
        digester.addSetNext("root/widget", "addChild");

        Container root = new Container();
        digester.push(root);
        
        try {
            digester.parse(
                TestAll.getInputStream(this, "test4a.xml"));
        }
        catch(Exception e) {
            throw e;
        }
        
        Object child;
        List children = root.getChildren();
        assertTrue(children != null);
        assertEquals(3, children.size());
        
        // min/max rules should be in effect
        // setproperties should be in effect
        child = children.get(0);
        assertTrue(child != null);
        assertEquals(Slider.class, child.getClass());
        Slider slider1 = (Slider) child;
        assertEquals("slider1", slider1.getLabel());
        assertEquals(1, slider1.getMin());
        assertEquals(2, slider1.getMax());
        
        // range rules should not be in effect
        // setproperties should be in effect
        child = children.get(1);
        assertTrue(child != null);
        assertEquals(Slider.class, child.getClass());
        Slider slider2 = (Slider) child;
        assertEquals("slider2", slider2.getLabel());
        assertEquals(0, slider2.getMin());
        assertEquals(0, slider2.getMax());
        
        // setproperties should be working on text label
        child = children.get(2);
        assertTrue(child != null);
        assertEquals(TextLabel.class, child.getClass());
        assertEquals("text1", ((TextLabel)child).getLabel());
    }
    
    public void testNonStandardLocalRules() throws Exception {
        // * tests that using PluginDeclarationRule to declare an alternate
        //   rule method name invokes that alternate method instead (the
        //   input xml specifies that a method other than addRules is to
        //   be used)
        // * tests that if a rule method is defined, then a SetProperties
        //   rule is not automatically added.
        // * tests that a SetProperties rule applying to one class doesn't
        //   apply to different plugin classes mounted at the same rule.
        Digester digester = new Digester();
        PluginRules rc = new PluginRules();
        digester.setRules(rc);
        
        PluginDeclarationRule pdr = new PluginDeclarationRule();
        digester.addRule("root/plugin", pdr);
        
        PluginCreateRule pcr2 = new PluginCreateRule(Widget.class);
        digester.addRule("root/widget", pcr2);
        digester.addSetNext("root/widget", "addChild");

        Container root = new Container();
        digester.push(root);
        
        try {
            digester.parse(
                TestAll.getInputStream(this, "test4b.xml"));
        }
        catch(Exception e) {
            throw e;
        }
        
        Object child;
        List children = root.getChildren();
        assertTrue(children != null);
        assertEquals(3, children.size());
        
        // min/max rules should not  be in effect
        // setproperties should not be in effect
        child = children.get(0);
        assertTrue(child != null);
        assertEquals(Slider.class, child.getClass());
        Slider slider1 = (Slider) child;
        assertEquals("nolabel", slider1.getLabel());
        assertEquals(0, slider1.getMin());
        assertEquals(0, slider1.getMax());
        
        // range rules should be in effect
        // setproperties should not be in effect
        child = children.get(1);
        assertTrue(child != null);
        assertEquals(Slider.class, child.getClass());
        Slider slider2 = (Slider) child;
        assertEquals("nolabel", slider2.getLabel());
        assertEquals(10, slider2.getMin());
        assertEquals(20, slider2.getMax());
        
        // setproperties should be working on text label
        child = children.get(2);
        assertTrue(child != null);
        assertEquals(TextLabel.class, child.getClass());
        assertEquals("text1", ((TextLabel)child).getLabel());
    }
}