org.xchain.namespaces.test.TestPathNotFound.java Source code

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Here is the source code for org.xchain.namespaces.test.TestPathNotFound.java

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/**
 *    Copyright 2011 meltmedia
 *
 *    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.xchain.namespaces.test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.util.Map;
import java.util.HashMap;
import javax.xml.namespace.QName;

import org.apache.commons.jxpath.JXPathContext;
import org.apache.commons.jxpath.JXPathException;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.xchain.Catalog;
import org.xchain.Command;
import org.xchain.framework.factory.CatalogFactory;
import org.xchain.framework.jxpath.QNameVariables;
import org.xchain.framework.lifecycle.Lifecycle;

/**
 * @author Christian Trimble
 */
public class TestPathNotFound {
    public static String CATALOG_URI = "resource://context-class-loader/org/xchain/namespaces/test/path-not-found.xchain";
    public static String NAMESPACE_URI = "http://www.xchain.org/test/1.0";
    public static QName UNDEFINED_VARIABLE = new QName(NAMESPACE_URI, "undefined-variable");
    public static QName UNDEFINED_VARIABLE_PATH = new QName(NAMESPACE_URI, "undefined-variable-path");
    public static QName UNDEFINED_PATH = new QName(NAMESPACE_URI, "undefined-path");

    public static enum HandlingType {
        NULL, EXCEPTION
    }

    public static Map<QName, HandlingType> handlingTypeMap = new HashMap<QName, HandlingType>();
    static {
        handlingTypeMap.put(UNDEFINED_VARIABLE, HandlingType.EXCEPTION);
        handlingTypeMap.put(UNDEFINED_VARIABLE_PATH, HandlingType.NULL);
        handlingTypeMap.put(UNDEFINED_PATH, HandlingType.NULL);
    }

    protected JXPathContext context = null;
    protected Catalog catalog = null;
    protected Command command = null;

    @BeforeClass
    public static void setUpLifecycle() throws Exception {
        Lifecycle.startLifecycle();
    }

    @AfterClass
    public static void tearDownLifecycle() throws Exception {
        Lifecycle.stopLifecycle();
    }

    @Before
    public void setUp() throws Exception {
        context = JXPathContext.newContext(new Object());
        context.getVariables().declareVariable("variable", new Object());
        catalog = CatalogFactory.getInstance().getCatalog(CATALOG_URI);
    }

    @After
    public void tearDown() throws Exception {
        context = null;
    }

    @Test
    public void testNullVsException() throws Exception {
        for (Map.Entry<QName, HandlingType> entry : handlingTypeMap.entrySet()) {
            testUndefinedPath(entry.getKey(), entry.getValue());
        }
    }

    @Test
    public void testBoolenTestDefinedVariable() {
        try {
            Boolean value = (Boolean) context.getValue("boolean($variable and $variable/path)", Boolean.class);
            assertNotNull("The value was null.", value);
            assertFalse("The value was not true.", value);
        } catch (Exception e) {
            e.printStackTrace();
            fail("Testing an existing variable caused an exception.");
        }
    }

    /**
     * 
     */
    private void testUndefinedPath(QName commandName, HandlingType handlingType) throws Exception {
        // get the command.
        Command command = catalog.getCommand(commandName);

        try {
            // execute the command.
            command.execute(context);

            // if we got here, then we should fail.
            if (HandlingType.EXCEPTION == handlingType) {
                fail("The command '" + commandName + "' should have thrown an exception.");
            }
        } catch (Exception e) {
            if (HandlingType.NULL == handlingType) {
                fail("The command '" + commandName + "' should not have thrown an exception.");
            }
        }
    }
}