| /* |
| * 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.builtin; |
| |
| import static org.apache.pig.builtin.mock.Storage.resetData; |
| import static org.apache.pig.builtin.mock.Storage.tuple; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.List; |
| import java.util.Random; |
| import java.util.Set; |
| |
| import org.apache.pig.PigServer; |
| import org.apache.pig.builtin.mock.Storage.Data; |
| import org.apache.pig.data.Tuple; |
| import org.apache.pig.impl.util.Utils; |
| import org.apache.pig.test.Util; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Sets; |
| |
| public class TestInvokerGenerator { |
| private static PigServer pigServer; |
| private static Random r; |
| |
| @Before |
| public void setUp() throws Exception { |
| pigServer = new PigServer(Util.getLocalTestMode()); |
| r = new Random(42L); |
| } |
| |
| @Test |
| public void testConcat() throws Exception { |
| Data data = resetData(pigServer); |
| |
| Set<Tuple> inputs = ImmutableSet.of(tuple("a"), tuple("b"), tuple("c")); |
| Set<Tuple> expected = Sets.newHashSet(); |
| |
| for (Tuple t : inputs) { |
| String str = (String)t.get(0); |
| expected.add(tuple(str.concat(str))); |
| } |
| |
| data.set("foo", Utils.getSchemaFromString("x:chararray"), inputs); |
| |
| pigServer.registerQuery("define concat InvokerGenerator('java.lang.String','concat','String');"); |
| pigServer.registerQuery("a = load 'foo' using mock.Storage();"); |
| pigServer.registerQuery("b = foreach @ generate concat($0, $0);"); |
| pigServer.registerQuery("store b into 'bar' using mock.Storage();"); |
| |
| List<Tuple> results = data.get("bar"); |
| assertEquals(expected.size(), results.size()); |
| for (Tuple t : results) { |
| assertTrue(expected.remove(t)); |
| } |
| assertEquals(0, expected.size()); |
| } |
| |
| @Test |
| public void testValueOf() throws Exception { |
| Data data = resetData(pigServer); |
| |
| Set<Tuple> inputs = Sets.newHashSet(); |
| while (inputs.size() < 1000) { |
| inputs.add(tuple(Integer.toString(r.nextInt()))); |
| } |
| Set<Tuple> expected = Sets.newHashSet(); |
| |
| for (Tuple t : inputs) { |
| String str = (String)t.get(0); |
| expected.add(tuple(Integer.valueOf(str))); |
| } |
| |
| data.set("foo", Utils.getSchemaFromString("x:chararray"), inputs); |
| |
| pigServer.registerQuery("define valueOf InvokerGenerator('java.lang.Integer','valueOf','String');"); |
| pigServer.registerQuery("a = load 'foo' using mock.Storage();"); |
| pigServer.registerQuery("b = foreach @ generate valueOf($0);"); |
| pigServer.registerQuery("store b into 'bar' using mock.Storage();"); |
| |
| List<Tuple> results = data.get("bar"); |
| assertEquals(expected.size(), results.size()); |
| for (Tuple t : results) { |
| assertTrue(expected.remove(t)); |
| } |
| assertEquals(0, expected.size()); |
| } |
| } |