src/test/java/org/apache/commons/jxpath/issues/JXPath172Test.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.jxpath.issues;

import junit.framework.TestSuite;

import org.apache.commons.jxpath.JXPathContext;
import org.apache.commons.jxpath.JXPathNotFoundException;
import org.apache.commons.jxpath.JXPathTestCase;
import org.apache.commons.jxpath.Pointer;
import org.apache.commons.jxpath.ri.model.beans.BeanPropertyPointer;
import org.apache.commons.jxpath.ri.model.beans.NullPropertyPointer;

public class JXPath172Test extends JXPathTestCase
{

    /**
     * Return the tests included in this test suite.
     */
    public static TestSuite suite()
    {
        return (new TestSuite(JXPath172Test.class));
    }

    public void testIssue172_propertyExistAndIsNotNull()
    {
        final JXPathContext context = getContext("ciao", false);
        final Object bRet = context.selectSingleNode("value");
        assertNotNull("null!!", bRet);
        assertEquals("Is " + bRet.getClass(), "ciao", bRet);

        final Pointer pointer = context.getPointer("value");
        assertNotNull(pointer);
        assertEquals(BeanPropertyPointer.class, pointer.getClass());
        assertEquals("ciao", pointer.getValue());
    }

    public void testIssue172_propertyExistAndIsNull()
    {
        final JXPathContext context = getContext(null, false);
        final Object bRet = context.selectSingleNode("value");
        assertNull("not null!!", bRet);

        final Pointer pointer = context.getPointer("value");
        assertNotNull(pointer);
        assertEquals(BeanPropertyPointer.class, pointer.getClass());
        assertNull(pointer.getValue());
    }

    public void testIssue172_PropertyUnexisting()
    {
        final JXPathContext context = getContext(null, true);
        final Object bRet = context.selectSingleNode("unexisting");
        assertNull("not null!!", bRet);

        final Pointer pointer = context.getPointer("unexisting");
        assertNotNull(pointer);
        assertEquals(NullPropertyPointer.class, pointer.getClass());
        assertNull(pointer.getValue());
    }

    public void testIssue172_NestedPropertyUnexisting()
    {
        final JXPathContext context = getContext(null, true);
        final Object bRet = context.selectSingleNode("value.child");
        assertNull("not null!!", bRet);

        final Pointer pointer = context.getPointer("value.child");
        assertNotNull(pointer);
        assertEquals(NullPropertyPointer.class, pointer.getClass());
        assertNull(pointer.getValue());
    }

    public void testIssue172_propertyDoesNotExist_NotLenient()
    {
        final JXPathContext context = getContext(null, false);
        try
        {
            final Object bRet = context.selectSingleNode("unexisting");
            fail(" " + bRet);
        }
        catch (JXPathNotFoundException e)
        {

        }

        try
        {
            final Pointer pointer = context.getPointer("unexisting");
            fail(" " + pointer);
        }
        catch (JXPathNotFoundException e)
        {

        }

        try
        {
            final Pointer pointer = context.getPointer("value.unexisting");
            fail(" " + pointer);
        }
        catch (JXPathNotFoundException e)
        {

        }

    }

    /**
     * Helper, returns a {@link JXPathContext} filled with {@link TestBean172}
     * whose {@link TestBean172#getValue()} method returns the passed
     * <code>val</code> value.
     * 
     * @param val
     * @return A {@link JXPathContext}, never <code>null</code>.
     */
    private JXPathContext getContext(final String val, boolean lenient)
    {
        final TestBean172 b = new TestBean172();
        b.setValue(val);
        final Object target = b;
        final JXPathContext context = JXPathContext.newContext(null, target);
        context.setLenient(lenient);
        return context;
    }

    public static class TestBean172
    {
        String value;

        public String getValue()
        {
            return value;
        }

        public void setValue(String value)
        {
            this.value = value;
        }
    }

}