org.xchain.namespaces.core.TestCoreFunctions.java Source code

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Here is the source code for org.xchain.namespaces.core.TestCoreFunctions.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.core;

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

import javax.xml.namespace.QName;

import org.apache.commons.jxpath.JXPathContext;
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.lifecycle.Lifecycle;

/**
 * @author Christian Trimble
 */
public class TestCoreFunctions {
    public static final String CATALOG_URI = "resource://context-class-loader/org/xchain/namespaces/core/core-functions.xchain";
    public static final String XCHAIN_NAMESPACE_URI = "http://www.xchain.org/core/1.0";
    public static final QName SYSTEM_ID_FUNCTION = new QName(XCHAIN_NAMESPACE_URI, "system-id-function");
    public static final QName VALUE_OF_FUNCTION_WITHOUT_TYPE = new QName(XCHAIN_NAMESPACE_URI,
            "value-of-function-without-type");
    public static final QName VALUE_OF_FUNCTION_WITH_TYPE = new QName(XCHAIN_NAMESPACE_URI,
            "value-of-function-with-type");
    public static final String RESULT = "result";

    protected JXPathContext context = null;
    protected ContextBean contextBean = 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 {
        contextBean = new ContextBean();
        context = JXPathContext.newContext(contextBean);
        catalog = CatalogFactory.getInstance().getCatalog(CATALOG_URI);
    }

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

    @Test
    public void testSystemIdFunction() throws Exception {
        // Get the command.
        Command command = catalog.getCommand(SYSTEM_ID_FUNCTION);

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

        // Get the result.
        String resultString = (String) context.getValue("$" + RESULT, String.class);

        assertEquals("The xchain:system-id() function failed.", CATALOG_URI, resultString);
    }

    @Test
    public void testValueOfFunctionWithoutType() throws Exception {
        contextBean.setPath("1");
        Command command = catalog.getCommand(VALUE_OF_FUNCTION_WITHOUT_TYPE);
        command.execute(context);
        Object result = context.getValue("$" + RESULT);
        assertTrue("The result of xchain:value-of(xpath) is returning the wrong type of object.",
                result instanceof String);
        assertEquals("The result of xchain:value-of(xpath) returned the wrong value.", "1", result);
    }

    @Test
    public void testValueOfFunctionWithType() throws Exception {
        contextBean.setPath("1");
        Command command = catalog.getCommand(VALUE_OF_FUNCTION_WITH_TYPE);
        command.execute(context);
        Object result = context.getValue("$" + RESULT);
        assertTrue("The result of xchain:value-of(xpath) is returning the wrong type of object.",
                result instanceof Integer);
        assertEquals("The result of xchain:value-of(xpath) returned the wrong value.", new Integer(1), result);
    }

    public static class ContextBean {
        private Object path = null;

        public void setPath(Object path) {
            this.path = path;
        }

        public Object getPath() {
            return this.path;
        }
    }
}