| /** |
| * 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.hadoop.fs.shell; |
| |
| import static org.junit.Assert.*; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestCommandFactory { |
| static CommandFactory factory; |
| static Configuration conf = new Configuration(); |
| |
| static void registerCommands(CommandFactory factory) { |
| } |
| |
| @Before |
| public void testSetup() { |
| factory = new CommandFactory(conf); |
| assertNotNull(factory); |
| } |
| |
| @Test |
| public void testRegistration() { |
| assertArrayEquals(new String []{}, factory.getNames()); |
| |
| factory.registerCommands(TestRegistrar.class); |
| String [] names = factory.getNames(); |
| assertArrayEquals(new String []{"tc1", "tc2", "tc2.1"}, names); |
| |
| factory.addClass(TestCommand3.class, "tc3"); |
| names = factory.getNames(); |
| assertArrayEquals(new String []{"tc1", "tc2", "tc2.1", "tc3"}, names); |
| } |
| |
| @Test |
| public void testGetInstances() { |
| factory.registerCommands(TestRegistrar.class); |
| |
| Command instance; |
| instance = factory.getInstance("blarg"); |
| assertNull(instance); |
| |
| instance = factory.getInstance("tc1"); |
| assertNotNull(instance); |
| assertEquals(TestCommand1.class, instance.getClass()); |
| assertEquals("tc1", instance.getCommandName()); |
| |
| instance = factory.getInstance("tc2"); |
| assertNotNull(instance); |
| assertEquals(TestCommand2.class, instance.getClass()); |
| assertEquals("tc2", instance.getCommandName()); |
| |
| instance = factory.getInstance("tc2.1"); |
| assertNotNull(instance); |
| assertEquals(TestCommand2.class, instance.getClass()); |
| assertEquals("tc2.1", instance.getCommandName()); |
| } |
| |
| static class TestRegistrar { |
| public static void registerCommands(CommandFactory factory) { |
| factory.addClass(TestCommand1.class, "tc1"); |
| factory.addClass(TestCommand2.class, "tc2", "tc2.1"); |
| } |
| } |
| |
| static class TestCommand1 extends FsCommand {} |
| static class TestCommand2 extends FsCommand {} |
| static class TestCommand3 extends FsCommand {} |
| } |