| /** |
| * 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.scrunch |
| |
| import org.apache.crunch.test.CrunchTestSupport |
| |
| import org.scalatest.junit.JUnitSuite |
| import _root_.org.junit.Test |
| |
| object WordCount extends PipelineApp { |
| |
| def wordSplit(line: String) = line.split("\\W+").filter(!_.isEmpty()) |
| |
| def countWords(filename: String) = { |
| val lines = read(from.textFile(filename)) |
| val words = lines.flatMap(wordSplit) |
| words.count |
| } |
| |
| val w1 = countWords(args(0)) |
| val w2 = countWords(args(1)) |
| cogroup(w1, w2).write(to.textFile(args(2))) |
| } |
| |
| class PipelineAppTest extends CrunchTestSupport with JUnitSuite { |
| @Test def run { |
| val args = new Array[String](3) |
| args(0) = tempDir.copyResourceFileName("shakes.txt") |
| args(1) = tempDir.copyResourceFileName("maugham.txt") |
| args(2) = tempDir.getFileName("output") |
| tempDir.overridePathProperties(WordCount.configuration) |
| WordCount.main(args) |
| } |
| } |