Java tutorial
/** * 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 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.Ignore; import org.junit.Test; import org.xchain.Catalog; import org.xchain.framework.factory.CatalogFactory; import org.xchain.Command; import org.xchain.framework.lifecycle.Lifecycle; /** * @author Devon Tackett * @author Christian Trimble */ public class TestWithCommand { public static final String CATALOG_URI = "resource://context-class-loader/org/xchain/namespaces/core/with-command.xchain"; public static final String XCHAIN_NAMESPACE_URI = "http://www.xchain.org/core/1.0"; public static final QName WITH_BASIC = new QName(XCHAIN_NAMESPACE_URI, "with-basic-test"); public static final QName WITH_ROOT_SELECT = new QName(XCHAIN_NAMESPACE_URI, "with-root-select"); public static final QName WITH_SCOPE = new QName(XCHAIN_NAMESPACE_URI, "with-scope"); public static final QName CONTEXT_CLASS = new QName(XCHAIN_NAMESPACE_URI, "context-class"); public static final QName CHILD_CONTEXT_CLASS = new QName(XCHAIN_NAMESPACE_URI, "child-context-class"); public static final QName VARIABLE_CONTEXT_CLASS = new QName(XCHAIN_NAMESPACE_URI, "variable-context-class"); public static final String RESULT = "result"; public static final String RESULT_PERSON = "person-result"; public static final String FINAL_CHAIN_RESULT = "final-chain-result"; 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 { ChildObject child = new ChildObject("child"); ParentObject parent = new ParentObject(child); context = JXPathContext.newContext(parent); catalog = CatalogFactory.getInstance().getCatalog(CATALOG_URI); } @After public void tearDown() throws Exception { context = null; } @Test public void testBasicWith() throws Exception { Person person = new Person("Joe"); context.getVariables().declareVariable("testPerson", person); // Get the command. Command command = catalog.getCommand(WITH_BASIC); // execute the command. command.execute(context); // Get the result. String resultString = (String) context.getValue("$" + RESULT, String.class); assertEquals("Name not properly selected.", person.getName(), resultString); } @Test public void testWithRootSelect() throws Exception { Person joe = new Person("Joe"); context.getVariables().declareVariable("joe", joe); // Get the command. Command command = catalog.getCommand(WITH_ROOT_SELECT); // execute the command. command.execute(context); ; // Get the result. Person personResult = (Person) context.getValue("$" + RESULT_PERSON, Person.class); assertEquals("Person not as expected.", joe, personResult); } @Test public void testWithScope() throws Exception { Person joe = new Person("Joe"); context.getVariables().declareVariable("joe", joe); // Get the command. Command command = catalog.getCommand(WITH_SCOPE); // execute the command. command.execute(context); // Get the result. String result = (String) context.getValue("$" + RESULT, String.class); String chainResult = (String) context.getValue("$" + FINAL_CHAIN_RESULT, String.class); assertEquals("Name not as expected.", result, joe.getName()); assertEquals("Chain result not as expected.", chainResult, "valid"); } @Ignore("This is broken in both JXPath 1.2 and JXPath 1.3 releases.") @Test public void testContextClass() throws Exception { Command command = catalog.getCommand(CONTEXT_CLASS); command.execute(context); Class result = (Class) context.getValue("$" + RESULT, Class.class); assertEquals("The wrong class was returned for the child context.", ParentObject.class, result); } @Ignore("This is broken in both JXPath 1.2 and JXPath 1.3 releases.") @Test public void testChildContextClass() throws Exception { Command command = catalog.getCommand(CHILD_CONTEXT_CLASS); command.execute(context); Class result = (Class) context.getValue("$" + RESULT, Class.class); assertEquals("The wrong class was returned for the child context.", ChildObject.class, result); } @Ignore("This is broken in both JXPath 1.2 and JXPath 1.3 releases.") @Test public void testVariableContextClass() throws Exception { ChildObject child = new ChildObject("var-child"); ParentObject parent = new ParentObject(child); context.getVariables().declareVariable("parent", parent); Command command = catalog.getCommand(VARIABLE_CONTEXT_CLASS); command.execute(context); Class result = (Class) context.getValue("$" + RESULT, Class.class); assertEquals("The wrong class was returned for the child context.", ParentObject.class, result); } public class Person { private String name; public Person(String name) { super(); this.name = name; } public String getName() { return name; } public void setName(String name) { this.name = name; } } public static class ParentObject { private ChildObject child; public ParentObject(ChildObject child) { this.child = child; } public ChildObject getChild() { return this.child; } } public static class ChildObject { private String name; public ChildObject(String name) { this.name = name; } public String getName() { return this.name; } } }