| /* |
| * 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.mock; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.fail; |
| import static org.apache.pig.builtin.mock.Storage.resetData; |
| import static org.apache.pig.builtin.mock.Storage.schema; |
| import static org.apache.pig.builtin.mock.Storage.tuple; |
| import static org.apache.pig.builtin.mock.Storage.bag; |
| import static org.apache.pig.builtin.mock.Storage.map; |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.pig.PigServer; |
| import org.apache.pig.backend.executionengine.ExecJob; |
| import org.apache.pig.backend.executionengine.ExecJob.JOB_STATUS; |
| import org.apache.pig.builtin.mock.Storage.Data; |
| import org.apache.pig.data.Tuple; |
| import org.apache.pig.test.Util; |
| import org.junit.Test; |
| |
| public class TestMockStorage { |
| |
| @Test |
| public void testMockStoreAndLoad() throws Exception { |
| PigServer pigServer = new PigServer(Util.getLocalTestMode()); |
| Data data = resetData(pigServer); |
| |
| data.set("foo", |
| tuple("a"), |
| tuple("b"), |
| tuple("c"), |
| tuple(map("d","e", "f","g")), |
| tuple(bag(tuple("h"),tuple("i"))) |
| ); |
| |
| pigServer.registerQuery("A = LOAD 'foo' USING mock.Storage();"); |
| pigServer.registerQuery("STORE A INTO 'bar' USING mock.Storage();"); |
| |
| List<Tuple> out = data.get("bar"); |
| assertEquals(tuple("a"), out.get(0)); |
| assertEquals(tuple("b"), out.get(1)); |
| assertEquals(tuple("c"), out.get(2)); |
| assertEquals(tuple(map("f", "g", "d", "e" )), out.get(3)); |
| assertEquals(tuple(bag(tuple("h"),tuple("i"))), out.get(4)); |
| } |
| |
| @Test |
| public void testMockSchema() throws Exception { |
| PigServer pigServer = new PigServer(Util.getLocalTestMode()); |
| Data data = resetData(pigServer); |
| |
| data.set("foo", "blah:chararray", |
| tuple("a"), |
| tuple("b"), |
| tuple("c") |
| ); |
| |
| pigServer.registerQuery("A = LOAD 'foo' USING mock.Storage();"); |
| pigServer.registerQuery("B = FOREACH A GENERATE blah as a, blah as b;"); |
| pigServer.registerQuery("STORE B INTO 'bar' USING mock.Storage();"); |
| |
| assertEquals(schema("a:chararray,b:chararray"), data.getSchema("bar")); |
| |
| List<Tuple> out = data.get("bar"); |
| assertEquals(tuple("a", "a"), out.get(0)); |
| assertEquals(tuple("b", "b"), out.get(1)); |
| assertEquals(tuple("c", "c"), out.get(2)); |
| } |
| |
| @Test |
| public void testMockStoreUnion() throws Exception { |
| PigServer pigServer = new PigServer(Util.getLocalTestMode()); |
| Data data = resetData(pigServer); |
| |
| data.set("input1", |
| tuple("a"), |
| tuple("b"), |
| tuple("c") |
| ); |
| |
| data.set("input2", |
| tuple("d"), |
| tuple("e"), |
| tuple("f") |
| ); |
| |
| pigServer.registerQuery("A = LOAD 'input1' USING mock.Storage();"); |
| pigServer.registerQuery("B = LOAD 'input2' USING mock.Storage();"); |
| pigServer.registerQuery("C = UNION A, B;"); |
| pigServer.registerQuery("STORE C INTO 'output' USING mock.Storage();"); |
| |
| List<Tuple> out = data.get("output"); |
| assertEquals(out + " size", 6, out.size()); |
| Set<String> set = new HashSet<String>(); |
| for (Tuple tuple : out) { |
| if (!set.add((String)tuple.get(0))) { |
| fail(tuple.get(0) + " is present twice in " + out); |
| } |
| } |
| |
| assertTrue(set + " contains a", set.contains("a")); |
| assertTrue(set + " contains b", set.contains("b")); |
| assertTrue(set + " contains c", set.contains("c")); |
| assertTrue(set + " contains d", set.contains("d")); |
| assertTrue(set + " contains e", set.contains("e")); |
| assertTrue(set + " contains f", set.contains("f")); |
| } |
| |
| @Test |
| public void testBadUsage1() throws Exception { |
| PigServer pigServer = new PigServer(Util.getLocalTestMode()); |
| Data data = resetData(pigServer); |
| |
| data.set("input1", |
| tuple("a"), |
| tuple("b"), |
| tuple("c") |
| ); |
| |
| try { |
| data.set("input1", |
| tuple("d"), |
| tuple("e"), |
| tuple("f") |
| ); |
| fail("should have thrown an exception for setting twice the same input"); |
| } catch (RuntimeException e) { |
| assertEquals("Can not set location input1 twice", e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void testBadUsage2() throws Exception { |
| PigServer pigServer = new PigServer(Util.getLocalTestMode()); |
| Data data = resetData(pigServer); |
| |
| data.set("input", |
| tuple("a"), |
| tuple("b"), |
| tuple("c") |
| ); |
| |
| pigServer.setBatchOn(); |
| pigServer.registerQuery( |
| "A = LOAD 'input' USING mock.Storage();" |
| +"B = LOAD 'input' USING mock.Storage();" |
| +"STORE A INTO 'output' USING mock.Storage();" |
| +"STORE B INTO 'output' USING mock.Storage();"); |
| List<ExecJob> results = pigServer.executeBatch(); |
| boolean failed = false; |
| for (ExecJob execJob : results) { |
| if (execJob.getStatus() == JOB_STATUS.FAILED) { |
| failed = true; |
| break; |
| } |
| } |
| if (Util.getLocalTestMode().toString().equals("TEZ_LOCAL")) { |
| assertFalse("job should have success in tez_local mode since we have two vertex, each for a single store", failed); |
| return; |
| } |
| assertTrue("job should have failed for storing twice in the same location", failed); |
| |
| } |
| } |