| /* |
| * 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.chain2.base; |
| |
| import static org.apache.commons.chain2.testutils.HasLog.hasLog; |
| import static org.junit.Assert.*; |
| |
| import org.apache.commons.chain2.Catalog; |
| import org.apache.commons.chain2.CatalogFactory; |
| import org.apache.commons.chain2.Context; |
| import org.apache.commons.chain2.impl.CatalogBase; |
| import org.apache.commons.chain2.impl.CatalogFactoryBase; |
| import org.apache.commons.chain2.impl.ContextBase; |
| import org.apache.commons.chain2.testutils.NonDelegatingCommand; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * <p>Test case for the <code>DispatchLookupCommand</code> class.</p> |
| * |
| * @version $Revision$ |
| */ |
| |
| public class DispatchLookupCommandTestCase { |
| |
| |
| // ---------------------------------------------------- Instance Variables |
| |
| /** |
| * The instance of {@link Catalog} to use when looking up commands |
| */ |
| protected Catalog<String, Object, Context<String, Object>> catalog; |
| |
| /** |
| * The {@link DispatchLookupCommand} instance under test. |
| */ |
| protected DispatchLookupCommand<String, Object, Context<String, Object>> command; |
| |
| /** |
| * The {@link Context} instance on which to execute the chain. |
| */ |
| protected Context<String, Object> context = null; |
| |
| |
| // -------------------------------------------------- Overall Test Methods |
| |
| |
| /** |
| * Set up instance variables required by this test case. |
| */ |
| @Before |
| public void setUp() { |
| catalog = new CatalogBase<String, Object, Context<String, Object>>(); |
| CatalogFactory<String, Object, Context<String, Object>> catalogFactory = CatalogFactoryBase.getInstance(); |
| catalogFactory.setCatalog(catalog); |
| command = new DispatchLookupCommand<String, Object, Context<String, Object>>(); |
| context = new ContextBase(); |
| } |
| |
| /** |
| * Tear down instance variables required by this test case. |
| */ |
| @After |
| public void tearDown() { |
| catalog = null; |
| CatalogFactoryBase.clear(); |
| command = null; |
| context = null; |
| } |
| |
| |
| // ------------------------------------------------ Individual Test Methods |
| |
| |
| // Test ability to lookup and execute a dispatch method on a single |
| // non-delegating command |
| @Test |
| public void testExecuteDispatchLookup_1a() { |
| |
| // use default catalog |
| catalog.addCommand("fooCommand", new TestCommand<Context<String, Object>>("1")); |
| |
| // command should lookup the fooCommand and execute the fooMethod |
| command.setName("fooCommand"); |
| command.setMethod("fooMethod"); |
| |
| try { |
| assertTrue("Command should return true", |
| command.execute(context)); |
| } catch (Exception e) { |
| |
| fail("Threw exception: " + e); |
| } |
| |
| // command should lookup the fooCommand and execute the barMethod |
| command.setMethod("barMethod"); |
| |
| try { |
| assertTrue("Command should return true", |
| command.execute(context)); |
| } catch (Exception e) { |
| fail("Threw exception: " + e); |
| } |
| |
| assertThat(context, hasLog("1/1")); |
| |
| } |
| |
| // Test IllegalArgumentException when incorrect command name specified |
| @Test |
| public void testExecuteDispatchLookup_2() { |
| |
| // use default catalog |
| catalog.addCommand("barCommand", new TestCommand<Context<String, Object>>("2")); |
| |
| // command should lookup the fooCommand and execute the fooMethod |
| command.setName("fooCommand"); |
| command.setMethod("fooMethod"); |
| |
| try { |
| command.execute(context); |
| } catch (IllegalArgumentException e) { |
| // test passed |
| return; |
| } catch (Exception e) { |
| // this is a failure |
| } |
| |
| fail("Expected IllegalArgumentException"); |
| } |
| |
| // Test ability to lookup and execute a dispatch method on a single |
| // non-delegating command (using context to specify method name) |
| @Test |
| public void testExecuteDispatchLookup_3() { |
| |
| // use default catalog |
| catalog.addCommand("fooCommand", new TestCommand<Context<String, Object>>("3")); |
| |
| // command should lookup the fooCommand and execute the fooMethod |
| command.setName("fooCommand"); |
| command.setMethodKey("methodKey"); |
| context.put("methodKey", "fooMethod"); |
| |
| try { |
| assertTrue("Command should return true", |
| command.execute(context)); |
| } catch (Exception e) { |
| fail("Threw exception: " + e); |
| } |
| |
| // command should lookup the fooCommand and execute the barMethod |
| command.setMethodKey("methodKey"); |
| context.put("methodKey", "barMethod"); |
| |
| |
| try { |
| assertTrue("Command should return true", |
| command.execute(context)); |
| } catch (Exception e) { |
| fail("Threw exception: " + e); |
| } |
| |
| assertThat(context, hasLog("3/3")); |
| |
| } |
| |
| |
| // ---------------------------------------------------------- Inner Classes |
| |
| |
| class TestCommand<C extends Context<String, Object>> extends NonDelegatingCommand { |
| |
| public TestCommand(String id) |
| { |
| super(id); |
| } |
| |
| public boolean fooMethod(C context) { |
| log(context, id); |
| return true; |
| } |
| |
| public boolean barMethod(C context) { |
| log(context, id); |
| return true; |
| } |
| |
| } |
| |
| } |