| /* |
| * 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.apache.pig.builtin.mock.Storage.resetData; |
| import static org.apache.pig.builtin.mock.Storage.tuple; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import java.util.List; |
| |
| import org.junit.Assert; |
| |
| import org.apache.pig.PigServer; |
| import org.apache.pig.builtin.mock.Storage.Data; |
| import org.apache.pig.data.Tuple; |
| import org.apache.pig.impl.logicalLayer.FrontendException; |
| import org.junit.Test; |
| |
| public class TestAssert { |
| |
| /** |
| * Verify that ASSERT operator works |
| * @throws Exception |
| */ |
| @Test |
| public void testPositive() throws Exception { |
| PigServer pigServer = new PigServer(Util.getLocalTestMode()); |
| Data data = resetData(pigServer); |
| |
| data.set("foo", |
| tuple(1), |
| tuple(2), |
| tuple(3) |
| ); |
| |
| pigServer.setBatchOn(); |
| pigServer.registerQuery("A = LOAD 'foo' USING mock.Storage() AS (i:int);"); |
| pigServer.registerQuery("ASSERT A BY i > 0;"); |
| pigServer.registerQuery("STORE A INTO 'bar' USING mock.Storage();"); |
| |
| pigServer.executeBatch(); |
| |
| List<Tuple> out = data.get("bar"); |
| assertEquals(3, out.size()); |
| assertEquals(tuple(1), out.get(0)); |
| assertEquals(tuple(2), out.get(1)); |
| assertEquals(tuple(3), out.get(2)); |
| } |
| |
| /** |
| * Verify that ASSERT operator works in a Pig script |
| * See PIG-3670 |
| * @throws Exception |
| */ |
| @Test |
| public void testInScript() throws Exception { |
| PigServer pigServer = new PigServer(Util.getLocalTestMode()); |
| Data data = resetData(pigServer); |
| |
| data.set("foo", |
| tuple(1), |
| tuple(2), |
| tuple(3) |
| ); |
| |
| StringBuffer query = new StringBuffer(); |
| query.append("A = LOAD 'foo' USING mock.Storage() AS (i:int);\n"); |
| query.append("ASSERT A BY i > 0;\n"); |
| query.append("STORE A INTO 'bar' USING mock.Storage();"); |
| |
| InputStream is = new ByteArrayInputStream(query.toString().getBytes()); |
| pigServer.registerScript(is); |
| |
| List<Tuple> out = data.get("bar"); |
| assertEquals(3, out.size()); |
| assertEquals(tuple(1), out.get(0)); |
| assertEquals(tuple(2), out.get(1)); |
| assertEquals(tuple(3), out.get(2)); |
| } |
| |
| /** |
| * Verify that ASSERT operator works |
| * @throws Exception |
| */ |
| @Test |
| public void testNegative() throws Exception { |
| PigServer pigServer = new PigServer(Util.getLocalTestMode()); |
| Data data = resetData(pigServer); |
| |
| data.set("foo", |
| tuple(1), |
| tuple(2), |
| tuple(3) |
| ); |
| |
| pigServer.registerQuery("A = LOAD 'foo' USING mock.Storage() AS (i:int);"); |
| pigServer.registerQuery("ASSERT A BY i > 1 , 'i should be greater than 1';"); |
| |
| try { |
| pigServer.openIterator("A"); |
| } catch (FrontendException fe) { |
| if (pigServer.getPigContext().getExecType().toString().startsWith("TEZ") |
| || pigServer.getPigContext().getExecType().toString().startsWith("SPARK")) { |
| Assert.assertTrue(fe.getCause().getMessage().contains( |
| "Assertion violated: i should be greater than 1")); |
| } else { |
| Assert.assertTrue(fe.getCause().getMessage().contains( |
| "Job terminated with anomalous status FAILED")); |
| } |
| } |
| } |
| |
| /** |
| * Verify that ASSERT operator works. Disable fetch for this testcase. |
| * @throws Exception |
| */ |
| @Test |
| public void testNegativeWithoutFetch() throws Exception { |
| PigServer pigServer = new PigServer(Util.getLocalTestMode()); |
| Data data = resetData(pigServer); |
| |
| data.set("foo", |
| tuple(1), |
| tuple(2), |
| tuple(3) |
| ); |
| |
| pigServer.registerQuery("A = LOAD 'foo' USING mock.Storage() AS (i:int);"); |
| pigServer.registerQuery("ASSERT A BY i > 1 , 'i should be greater than 1';"); |
| |
| try { |
| pigServer.openIterator("A"); |
| } catch (FrontendException fe) { |
| if (pigServer.getPigContext().getExecType().toString().startsWith("TEZ") |
| || pigServer.getPigContext().getExecType().toString().startsWith("SPARK")) { |
| Assert.assertTrue(fe.getCause().getMessage().contains( |
| "Assertion violated: i should be greater than 1")); |
| } else { |
| Assert.assertTrue(fe.getCause().getMessage().contains( |
| "Job terminated with anomalous status FAILED")); |
| } |
| } |
| } |
| |
| /** |
| * Verify that alias is not assignable to the ASSERT operator |
| * @throws Exception |
| */ |
| @Test(expected=FrontendException.class) |
| public void testNegativeWithAlias() throws Exception { |
| PigServer pigServer = new PigServer(Util.getLocalTestMode()); |
| Data data = resetData(pigServer); |
| |
| data.set("foo", |
| tuple(1), |
| tuple(2), |
| tuple(3) |
| ); |
| try { |
| pigServer.registerQuery("A = LOAD 'foo' USING mock.Storage() AS (i:int);"); |
| pigServer.registerQuery("B = ASSERT A BY i > 1 , 'i should be greater than 1';"); |
| } |
| catch (FrontendException fe) { |
| Util.checkMessageInException(fe, "Syntax error, unexpected symbol at or near 'B'"); |
| throw fe; |
| } |
| } |
| |
| } |