| /* |
| * 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.pig.test; |
| |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.pig.PigServer; |
| import org.apache.pig.scripting.ScriptEngine; |
| import org.apache.pig.tools.pigstats.PigStats; |
| import org.junit.After; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| public class TestScriptLanguageJavaScript { |
| |
| static MiniGenericCluster cluster = MiniGenericCluster.buildCluster(); |
| private PigServer pigServer; |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| |
| } |
| |
| @AfterClass |
| public static void tearDownAfterClass() throws Exception { |
| cluster.shutDown(); |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| pigServer = new PigServer(cluster.getExecType(), cluster.getProperties()); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| Util.deleteFile(pigServer.getPigContext(), "simple_out"); |
| } |
| |
| @Test |
| public void firstTest() throws Exception { |
| String[] script = { |
| "importPackage(Packages.org.apache.pig.scripting.js)", |
| "pig = org.apache.pig.scripting.js.JSPig;", |
| "function main() {", |
| " pig.fs(\"-rmr simple_out\")", |
| " input = 'simple_table'", |
| " output = 'simple_out'", |
| " P = pig.compile(\"a = load '$input';store a into '$output';\")", |
| " Q = P.bind({'input':input, 'output':output})", |
| " stats = Q.runSingle()", |
| " if (stats.isSuccessful()) {", |
| " print(\"success!\")", |
| " } else {", |
| " print(\"failed\")", |
| " }", |
| "}" |
| }; |
| String[] input = { |
| "1\t3", |
| "2\t4", |
| "3\t5" |
| }; |
| |
| Util.deleteFile(pigServer.getPigContext(), "simple_table"); |
| Util.createInputFile(pigServer.getPigContext(), "simple_table", input); |
| Util.createLocalInputFile( "testScript.js", script); |
| |
| ScriptEngine scriptEngine = ScriptEngine.getInstance("javascript"); |
| Map<String, List<PigStats>> statsMap = scriptEngine.run(pigServer.getPigContext(), "testScript.js"); |
| assertEquals(1, statsMap.size()); |
| Iterator<List<PigStats>> it = statsMap.values().iterator(); |
| PigStats stats = it.next().get(0); |
| assertTrue("job should succeed", stats.isSuccessful()); |
| assertEquals(1, stats.getNumberJobs()); |
| String name = stats.getOutputNames().get(0); |
| assertEquals("simple_out", name); |
| |
| String[] output = Util.readOutput(pigServer.getPigContext(), "simple_out"); |
| assertTrue(Arrays.toString(input)+" equals "+Arrays.toString(output), Arrays.equals(input, output)); |
| |
| } |
| |
| |
| @Test |
| public void testTC() throws Exception { |
| String[] input = { |
| "(id0,[name#a])\t(id1,[name#b])\tMATCH", |
| "(id1,[name#a])\t(id2,[name#b])\tMATCH", |
| "(id2,[name#b])\t(id3,[name#c])\tMATCH", |
| "(id3,[name#c])\t(id4,[name#d])\tMATCH", |
| "(id4,[name#e])\t(id5,[name#f])\tMATCH", |
| "(id5,[name#f])\t(id6,[name#e])\tMATCH", |
| "(id6,[name#e])\t(id7,[name#g])\tMATCH", |
| "(id7,[name#g])\t(id8,[name#e])\tMATCH", |
| "(id8,[name#g])\t(id9,[name#f])\tMATCH", |
| "(id9,[name#f])\t(id10,[name#g])\tMATCH", |
| "(id10,[name#h])\t(id11,[name#i])\tMATCH", |
| "(id11,[name#a])\t(id12,[name#b])\tMATCH", |
| "(id12,[name#b])\t(id13,[name#c])\tMATCH", |
| "(id13,[name#c])\t(id14,[name#d])\tMATCH", |
| "(id14,[name#e])\t(id15,[name#f])\tMATCH", |
| "(id15,[name#f])\t(id16,[name#e])\tMATCH", |
| "(id16,[name#e])\t(id17,[name#g])\tMATCH", |
| "(id17,[name#g])\t(id18,[name#e])\tMATCH", |
| "(id18,[name#g])\t(id19,[name#f])\tMATCH", |
| "(id19,[name#f])\t(id20,[name#g])\tMATCH", |
| "(id20,[name#a])\t(id21,[name#b])\tMATCH", |
| "(id21,[name#a])\t(id22,[name#b])\tMATCH", |
| "(id22,[name#b])\t(id23,[name#c])\tMATCH", |
| "(id23,[name#c])\t(id24,[name#d])\tMATCH", |
| "(id24,[name#e])\t(id25,[name#f])\tMATCH", |
| "(id25,[name#f])\t(id26,[name#e])\tMATCH", |
| "(id26,[name#e])\t(id27,[name#g])\tMATCH", |
| "(id27,[name#g])\t(id28,[name#e])\tMATCH", |
| "(id28,[name#g])\t(id29,[name#f])\tMATCH", |
| "(id29,[name#f])\t(id30,[name#g])\tMATCH", |
| "(id30,[name#a])\t(id31,[name#b])\tMATCH", |
| "(id32,[name#a])" |
| }; |
| |
| Util.deleteFile(pigServer.getPigContext(), "simple_table"); |
| Util.createInputFile(pigServer.getPigContext(), "simple_table", input); |
| |
| ScriptEngine scriptEngine = ScriptEngine.getInstance("javascript"); |
| Map<String, List<PigStats>> statsMap = scriptEngine.run(pigServer.getPigContext(), "test/org/apache/pig/test/data/tc.js"); |
| for (List<PigStats> pigStatsList : statsMap.values()) { |
| for (PigStats pigStats : pigStatsList) { |
| assertTrue(pigStats.getScriptId()+" succesful", pigStats.isSuccessful()); |
| } |
| } |
| |
| } |
| |
| } |