| /** |
| * 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.sqoop; |
| |
| import java.io.IOException; |
| import java.sql.Connection; |
| import java.sql.ResultSet; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| import org.apache.sqoop.ConnFactory; |
| import org.apache.sqoop.SqoopOptions; |
| import org.apache.sqoop.manager.ConnManager; |
| import org.apache.sqoop.manager.ImportJobContext; |
| import org.apache.sqoop.manager.ManagerFactory; |
| import org.apache.sqoop.metastore.JobData; |
| import org.apache.sqoop.testcategories.sqooptest.UnitTest; |
| import org.apache.sqoop.tool.ImportTool; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| import org.junit.Rule; |
| import org.junit.experimental.categories.Category; |
| import org.junit.rules.ExpectedException; |
| |
| /** |
| * Test the ConnFactory implementation and its ability to delegate to multiple |
| * different ManagerFactory implementations using reflection. |
| */ |
| @Category(UnitTest.class) |
| public class TestConnFactory { |
| |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| @Test |
| public void testCustomFactory() throws IOException { |
| Configuration conf = new Configuration(); |
| conf.set(ConnFactory.FACTORY_CLASS_NAMES_KEY, |
| AlwaysDummyFactory.class.getName()); |
| |
| ConnFactory factory = new ConnFactory(conf); |
| ConnManager manager = factory.getManager( |
| new JobData(new SqoopOptions(), new ImportTool())); |
| assertNotNull("No manager returned", manager); |
| assertTrue("Expected a DummyManager", manager instanceof DummyManager); |
| } |
| |
| @Test |
| |
| public void testExceptionForNoManager() throws IOException { |
| Configuration conf = new Configuration(); |
| conf.set(ConnFactory.FACTORY_CLASS_NAMES_KEY, EmptyFactory.class.getName()); |
| |
| ConnFactory factory = new ConnFactory(conf); |
| |
| thrown.expect(IOException.class); |
| thrown.reportMissingExceptionWithMessage("Expected IOException because of missing ConnManager "); |
| factory.getManager( |
| new JobData(new SqoopOptions(), new ImportTool())); |
| } |
| |
| @Test |
| public void testMultipleManagers() throws IOException { |
| Configuration conf = new Configuration(); |
| // The AlwaysDummyFactory is second in this list. Nevertheless, since |
| // we know the first factory in the list will return null, we should still |
| // get a DummyManager out. |
| String classNames = EmptyFactory.class.getName() |
| + "," + AlwaysDummyFactory.class.getName(); |
| conf.set(ConnFactory.FACTORY_CLASS_NAMES_KEY, classNames); |
| |
| ConnFactory factory = new ConnFactory(conf); |
| ConnManager manager = factory.getManager( |
| new JobData(new SqoopOptions(), new ImportTool())); |
| assertNotNull("No manager returned", manager); |
| assertTrue("Expected a DummyManager", manager instanceof DummyManager); |
| } |
| |
| ////// mock classes used for test cases above ////// |
| |
| /** |
| * Factory that always returns a DummyManager, regardless of the |
| * configuration. |
| */ |
| public static class AlwaysDummyFactory extends ManagerFactory { |
| public ConnManager accept(JobData data) { |
| // Always return a new DummyManager |
| return new DummyManager(); |
| } |
| } |
| |
| /** |
| * ManagerFactory that accepts no configurations. |
| */ |
| public static class EmptyFactory extends ManagerFactory { |
| public ConnManager accept(JobData data) { |
| // Never instantiate a proper ConnManager; |
| return null; |
| } |
| } |
| |
| /** |
| * This implementation doesn't do anything special. |
| */ |
| public static class DummyManager extends ConnManager { |
| public void close() { |
| } |
| |
| public String [] listDatabases() { |
| return null; |
| } |
| |
| public String [] listTables() { |
| return null; |
| } |
| |
| public String [] getColumnNames(String tableName) { |
| return null; |
| } |
| |
| public String[] getColumnNamesForProcedure(String procedureName) { |
| return null; |
| } |
| |
| public String getPrimaryKey(String tableName) { |
| return null; |
| } |
| |
| public Map<String,List<Integer>> getColumnInfo(String tableName) { |
| return null; |
| } |
| |
| /** |
| * Default implementation. |
| * @param sqlType sql data type |
| * @return java data type |
| */ |
| public String toJavaType(int sqlType) { |
| return null; |
| } |
| |
| /** |
| * Default implementation. |
| * @param sqlType sql data type |
| * @return hive data type |
| */ |
| public String toHiveType(int sqlType) { |
| return null; |
| } |
| |
| public Map<String, Integer> getColumnTypes(String tableName) { |
| return null; |
| } |
| |
| @Override |
| public Map<String, Integer> getColumnTypesForProcedure( |
| String procedureName) { |
| return null; |
| } |
| |
| public ResultSet readTable(String tableName, String [] columns) { |
| return null; |
| } |
| |
| public Connection getConnection() { |
| return null; |
| } |
| |
| public String getDriverClass() { |
| return null; |
| } |
| |
| public void execAndPrint(String s) { |
| } |
| |
| public void importTable(ImportJobContext context) { |
| } |
| |
| public void release() { |
| } |
| } |
| |
| } |