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

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Here is the source code for org.xchain.namespaces.test.TestThrowingException.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.assertNotNull;
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 TestThrowingException {
    public static String CATALOG_URI = "resource://context-class-loader/org/xchain/namespaces/test/exception-test.xchain";
    public static String NAMESPACE_URI = "http://www.xchain.org/test/1.0";
    public static QName UNDECLARED_RUNTIME_EXCEPTION = new QName(NAMESPACE_URI, "undeclared-runtime-exception");
    public static QName DECLARED_RUNTIME_EXCEPTION = new QName(NAMESPACE_URI, "declared-runtime-exception");
    public static QName UNDECLARED_EXCEPTION = new QName(NAMESPACE_URI, "undeclared-exception");
    public static QName DECLARED_EXCEPTION = new QName(NAMESPACE_URI, "declared-exception");

    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.registerNamespace("test", NAMESPACE_URI);
        catalog = CatalogFactory.getInstance().getCatalog(CATALOG_URI);
    }

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

    protected <T extends Throwable> void testThrowingException(QName commandName, Class<T> expectedType)
            throws Exception {
        Command command = catalog.getCommand(commandName);
        command.execute(context);
        Throwable result = (Throwable) context.getValue("$test:result", Throwable.class);
        assertNotNull("No throwable was thrown by command " + commandName + ".");
        assertTrue("Expected type castable to " + expectedType + ", but found type " + result.getClass() + ".",
                expectedType.isAssignableFrom(result.getClass()));
    }

    /**
     */
    @Test
    public void testUndeclaredRuntimeException() throws Exception {
        testThrowingException(UNDECLARED_RUNTIME_EXCEPTION, java.lang.SecurityException.class);
    }

    /**
     */
    @Test
    public void testDeclaredRuntimeException() throws Exception {
        testThrowingException(DECLARED_RUNTIME_EXCEPTION, java.lang.SecurityException.class);
    }

    /**
     */
    @Test
    public void testUndeclaredException() throws Exception {
        testThrowingException(UNDECLARED_EXCEPTION, org.apache.commons.jxpath.JXPathException.class);
    }

    /**
     */
    @Test
    public void testDeclaredException() throws Exception {
        testThrowingException(DECLARED_EXCEPTION, java.lang.ClassNotFoundException.class);
    }
}