| /** |
| * 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.mrunit; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.mapred.Mapper; |
| import org.apache.hadoop.mapred.lib.IdentityMapper; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Example test of the IdentityMapper to demonstrate proper MapDriver usage in a |
| * test case. |
| * |
| * This example is reproduced in the overview for the MRUnit javadoc. |
| */ |
| public class TestExample { |
| |
| private Mapper<Text, Text, Text, Text> mapper; |
| private MapDriver<Text, Text, Text, Text> driver; |
| |
| @Before |
| public void setUp() { |
| mapper = new IdentityMapper<Text, Text>(); |
| driver = MapDriver.newMapDriver(mapper); |
| } |
| |
| @Test |
| public void testIdentityMapper() throws IOException { |
| driver.withInput(new Text("foo"), new Text("bar")) |
| .withOutput(new Text("foo"), new Text("bar")).runTest(); |
| } |
| } |