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

/*
 * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//digester/src/test/org/apache/commons/digester/EBRTestCase.java,v 1.6 2003/02/02 15:52:14 rdonkin Exp $
 * $Revision: 1.6 $
 * $Date: 2003/02/02 15:52:14 $
 *
 * ====================================================================
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 * The Apache Software License, Version 1.1
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 * modification, are permitted provided that the following conditions
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 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
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package org.apache.commons.digester;


import java.util.Iterator;
import java.util.List;

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


/**
 * <p> Runs standard tests for RulesBase as well as tests of extensions.
 *
 * @author Robert Burrell Donkin <robertdonkin@mac.com>
 * @version $Revision: 1.6 $ $Date: 2003/02/02 15:52:14 $
 */


public class EBRTestCase extends RulesBaseTestCase {


    // ----------------------------------------------------------- Constructors

    /**
     * Construct a new instance of this test case.
     *
     * @param name Name of the test case
     */
    public EBRTestCase(String name) {

        super(name);
    }


    // -------------------------------------------------- Overall Test Methods

    /**
     * <p> This should be overriden by subclasses.
     *
     * @return the matching rules to be tested.
     */
    protected Rules createMatchingRulesForTest() {

        return new ExtendedBaseRules();
    }


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

        return (new TestSuite(EBRTestCase.class));

    }


    /**
     * Basic test of parent matching rules.
     * A parent match matches any child of a particular kind of parent.
     * A wild parent has a wildcard prefix.
     * This method tests non-universal wildcards.
     */
    public void testBasicParentMatch() {

        // clear any existing rules
        digester.getRules().clear();

        assertEquals("Initial rules list is empty",
                0, digester.getRules().rules().size());

        // Set up rules
        // since these are all NON-UNIVERSAL matches
        // only expect one match at each stage
        digester.addRule("alpha/beta/gamma/delta", new TestRule("exact"));
        digester.addRule("*/beta/gamma/epsilon", new TestRule("wild_child"));
        digester.addRule("alpha/beta/gamma/?", new TestRule("exact_parent"));
        digester.addRule("*/beta/gamma/?", new TestRule("wild_parent"));


        List list = null;
        Iterator it = null;

        // this should match just the exact since this has presidence
        list = digester.getRules().match(null, "alpha/beta/gamma/delta");

        // all three rules should match
        assertEquals("Testing basic parent mismatch (A)", 1, list.size());

        it = list.iterator();
        assertEquals("Testing basic parent mismatch (B)", "exact", ((TestRule) it.next()).getIdentifier());


        // we don't have an exact match for this child so we should get the exact parent
        list = digester.getRules().match(null, "alpha/beta/gamma/epsilon");

        // all three rules should match
        assertEquals("Testing basic parent mismatch (C)", 1, list.size());

        it = list.iterator();
        assertEquals("Testing basic parent mismatch (D)", "exact_parent", ((TestRule) it.next()).getIdentifier());


        // wild child overrides wild parent
        list = digester.getRules().match(null, "alpha/omega/beta/gamma/epsilon");

        // all three rules should match
        assertEquals("Testing basic parent mismatch (E)", 1, list.size());

        it = list.iterator();
        assertEquals("Testing basic parent mismatch (F)", "wild_child", ((TestRule) it.next()).getIdentifier());


        // nothing else matches so return wild parent
        list = digester.getRules().match(null, "alpha/omega/beta/gamma/zeta");

        // all three rules should match
        assertEquals("Testing basic parent mismatch (G)", 1, list.size());

        it = list.iterator();
        assertEquals("Testing basic parent mismatch (H)", "wild_parent", ((TestRule) it.next()).getIdentifier());


        // clean up
        digester.getRules().clear();

    }


    /**
     * Basic test of universal matching rules.
     * Universal rules act independent.
     */
    public void testBasicUniversal() {

        // clear any existing rules
        digester.getRules().clear();

        assertEquals("Initial rules list is empty",
                0, digester.getRules().rules().size());

        // Set up rules
        // set up universal matches against non-universal ones
        digester.addRule("alpha/beta/gamma", new TestRule("exact"));
        digester.addRule("*/beta/gamma", new TestRule("non_wild_head"));
        digester.addRule("!*/beta/gamma", new TestRule("universal_wild_head"));
        digester.addRule("!alpha/beta/gamma/?", new TestRule("universal_wild_child"));
        digester.addRule("alpha/beta/gamma/?", new TestRule("non_wild_child"));
        digester.addRule("alpha/beta/gamma/epsilon", new TestRule("exact2"));
        digester.addRule("alpha/epsilon/beta/gamma/zeta", new TestRule("exact3"));
        digester.addRule("*/gamma/?", new TestRule("non_wildhead_child"));
        digester.addRule("!*/epsilon/beta/gamma/?", new TestRule("universal_wildhead_child"));


        List list = null;
        Iterator it = null;

        // test universal wild head
        list = digester.getRules().match(null, "alpha/beta/gamma");

        assertEquals("Testing universal wildcard mismatch (A)", 2, list.size());

        it = list.iterator();
        assertEquals("Testing universal wildcard mismatch (B)", "exact", ((TestRule) it.next()).getIdentifier());
        assertEquals("Testing universal wildcard mismatch (C)", "universal_wild_head", ((TestRule) it.next()).getIdentifier());


        // test universal parent
        list = digester.getRules().match(null, "alpha/beta/gamma/epsilon");

        assertEquals("Testing universal wildcard mismatch (D)", 2, list.size());

        it = list.iterator();
        assertEquals("Testing universal wildcard mismatch (E)", "universal_wild_child", ((TestRule) it.next()).getIdentifier());
        assertEquals("Testing universal wildcard mismatch (F)", "exact2", ((TestRule) it.next()).getIdentifier());

        // test universal parent
        list = digester.getRules().match(null, "alpha/beta/gamma/zeta");

        assertEquals("Testing universal wildcard mismatch (G)", 2, list.size());

        it = list.iterator();
        assertEquals("Testing universal wildcard mismatch (H)", "universal_wild_child", ((TestRule) it.next()).getIdentifier());
        assertEquals("Testing universal wildcard mismatch (I)", "non_wild_child", ((TestRule) it.next()).getIdentifier());


        // test wildcard universal parent
        list = digester.getRules().match(null, "alpha/epsilon/beta/gamma/alpha");

        assertEquals("Testing universal wildcard mismatch (J)", 2, list.size());

        it = list.iterator();
        assertEquals("Testing universal wildcard mismatch (K)", "non_wildhead_child", ((TestRule) it.next()).getIdentifier());
        assertEquals("Testing universal wildcard mismatch (L)", "universal_wildhead_child", ((TestRule) it.next()).getIdentifier());

        // test wildcard universal parent
        list = digester.getRules().match(null, "alpha/epsilon/beta/gamma/zeta");

        assertEquals("Testing universal wildcard mismatch (M)", 2, list.size());

        it = list.iterator();
        assertEquals("Testing universal wildcard mismatch (M)", "exact3", ((TestRule) it.next()).getIdentifier());
        assertEquals("Testing universal wildcard mismatch (O)", "universal_wildhead_child", ((TestRule) it.next()).getIdentifier());


        // clean up
        digester.getRules().clear();

    }


    /**
     * Basic test of wild matches.
     * A universal will match matches anything!
     * A non-universal will match matches anything not matched by something else.
     * This method tests non-universal and universal wild matches.
     */
    public void testWildMatch() {

        // clear any existing rules
        digester.getRules().clear();

        assertEquals("Initial rules list is empty",
                0, digester.getRules().rules().size());

        // Set up rules
        // The combinations a little large to test everything but we'll pick a couple and try them.
        digester.addRule("*", new TestRule("basic_wild"));
        digester.addRule("!*", new TestRule("universal_wild"));
        digester.addRule("alpha/beta/gamma/delta", new TestRule("exact"));
        digester.addRule("*/beta/gamma/?", new TestRule("wild_parent"));


        List list = null;
        Iterator it = null;

        // The universal wild will always match whatever else does
        list = digester.getRules().match(null, "alpha/beta/gamma/delta");

        // all three rules should match
        assertEquals("Testing wild mismatch (A)", 2, list.size());

        it = list.iterator();
        assertEquals("Testing wild mismatch (B)", "universal_wild", ((TestRule) it.next()).getIdentifier());
        assertEquals("Testing wild mismatch (C)", "exact", ((TestRule) it.next()).getIdentifier());


        // The universal wild will always match whatever else does
        list = digester.getRules().match(null, "alpha/beta/gamma/epsilon");

        assertEquals("Testing wild mismatch (D)", 2, list.size());

        it = list.iterator();
        assertEquals("Testing wild mismatch (E)", "universal_wild", ((TestRule) it.next()).getIdentifier());
        assertEquals("Testing wild mismatch (F)", "wild_parent", ((TestRule) it.next()).getIdentifier());


        // The universal wild will always match whatever else does
        // we have no other non-universal matching so this will match the non-universal wild as well
        list = digester.getRules().match(null, "alpha/gamma");

        assertEquals("Testing wild mismatch (G)", 2, list.size());

        it = list.iterator();
        assertEquals("Testing wild mismatch (H)", "basic_wild", ((TestRule) it.next()).getIdentifier());
        assertEquals("Testing wild mismatch (I)", "universal_wild", ((TestRule) it.next()).getIdentifier());


        // clean up
        digester.getRules().clear();

    }
    
    

    /**
     * Basic test of wild matches.
     * A universal will match matches anything!
     * A non-universal will match matches anything not matched by something else.
     * This method tests non-universal and universal wild matches.
     */
    public void testRootTailMatch() {

        // clear any existing rules
        digester.getRules().clear();

        assertEquals("Initial rules list is empty",
                0, digester.getRules().rules().size());

        // Set up rules
        // The combinations a little large to test everything but we'll pick a couple and try them.
        digester.addRule("*/a", new TestRule("a_tail"));


        List list = null;
        Iterator it = null;

        list = digester.getRules().match(null, "a");

        assertEquals("Testing tail wrong size (A)", 1, list.size());
        assertEquals("Testing tail mismatch (B)", "a_tail", ((TestRule) list.get(0)).getIdentifier());


        list = digester.getRules().match(null, "beta/a");

        assertEquals("Testing tail wrong size (C)", 1, list.size());
        assertEquals("Testing tail mismatch (D)", "a_tail", ((TestRule) list.get(0)).getIdentifier());

        list = digester.getRules().match(null, "be/aaa");

        assertEquals("Testing tail no matches (E)", 0, list.size());
        
        list = digester.getRules().match(null, "aaa");

        assertEquals("Testing tail no matches (F)", 0, list.size());
        
        list = digester.getRules().match(null, "a/beta");

        assertEquals("Testing tail no matches (G)", 0, list.size());

        // clean up
        digester.getRules().clear();

    }
}