| /* |
| * * |
| * * 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.crunch; |
| |
| import org.apache.crunch.impl.mr.MRPipeline; |
| import org.apache.crunch.io.From; |
| import org.apache.crunch.test.TemporaryPath; |
| import org.apache.crunch.test.TemporaryPaths; |
| import org.apache.crunch.types.writable.Writables; |
| import org.apache.hadoop.conf.Configuration; |
| import org.junit.Assert; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| public class ConfigurationIT { |
| |
| @Rule |
| public TemporaryPath tmpDir = TemporaryPaths.create(); |
| |
| private static final String KEY = "key"; |
| |
| private static DoFn<String, String> CONFIG_FN = new DoFn<String, String>() { |
| private String value; |
| |
| @Override |
| public void configure(Configuration conf) { |
| this.value = conf.get(KEY, "none"); |
| } |
| |
| @Override |
| public void process(String input, Emitter<String> emitter) { |
| emitter.emit(value); |
| } |
| }; |
| |
| @Test |
| public void testRun() throws Exception { |
| run(new MRPipeline(ConfigurationIT.class, tmpDir.getDefaultConfiguration()), |
| tmpDir.copyResourceFileName("set1.txt"), "testapalooza"); |
| } |
| |
| private static void run(Pipeline p, String input, String expected) throws Exception { |
| Iterable<String> mat = p.read(From.textFile(input)) |
| .parallelDo("conf", CONFIG_FN, Writables.strings(), ParallelDoOptions.builder().conf(KEY, expected).build()) |
| .materialize(); |
| for (String v : mat) { |
| if (!expected.equals(v)) { |
| Assert.fail("Unexpected value: " + v); |
| } |
| } |
| p.done(); |
| } |
| } |