| /* |
| * 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.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.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.BufferedReader; |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| import org.apache.pig.ExecType; |
| import org.apache.pig.PigServer; |
| import org.apache.pig.backend.executionengine.ExecException; |
| import org.apache.pig.builtin.mock.Storage.Data; |
| import org.apache.pig.data.Tuple; |
| import org.apache.pig.impl.PigContext; |
| import org.apache.pig.impl.logicalLayer.schema.Schema; |
| import org.apache.pig.impl.util.Utils; |
| import org.apache.pig.tools.grunt.Grunt; |
| import org.apache.pig.tools.pigscript.parser.ParseException; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import com.google.common.collect.Sets; |
| |
| public class TestShortcuts { |
| private String basedir = "test/org/apache/pig/test/data"; |
| private Data data; |
| private PigServer pigServer; |
| private PigContext context; |
| |
| @Before |
| public void setup() throws ExecException, IOException { |
| pigServer = new PigServer(ExecType.LOCAL); |
| context = pigServer.getPigContext(); |
| data = resetData(pigServer); |
| data.set("input", tuple("dog", "miami", 12), tuple("cat", "miami", 18), tuple("turtle", "tampa", 4), |
| tuple("dog", "tampa", 14), tuple("cat", "naples", 9), tuple("dog", "naples", 5), |
| tuple("turtle", "naples", 1)); |
| } |
| |
| @Test |
| public void testExplainShortcut() throws Throwable { |
| String cmd = "a = load 'input' USING mock.Storage() as (x:chararray,y:chararray,z:long);" |
| + "b = foreach a generate $0 as foo;" + "\\e b;"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| /** |
| * When no alias is passed, entire script should be explained |
| * |
| * @throws Throwable |
| */ |
| @Test |
| public void testExplainShortcutNoAlias() throws Throwable { |
| String cmd = "a = load 'input' USING mock.Storage() as (x:chararray,y:chararray,z:long);" |
| + "b = foreach a generate $0 as foo;" + "\\e;"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| /** |
| * When no alias is defined earlier, empty output is expected. Note that |
| * ParseException is thrown in interactive mode. |
| * |
| * @throws Throwable |
| */ |
| @Test |
| public void testExplainShortcutNoAliasDefined() throws Throwable { |
| String cmd = "\\e"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); // Interactive is set to false. |
| } |
| |
| @Test |
| public void testExplainShortcutScript() throws Throwable { |
| String cmd = "\\e -script " + basedir + "/explainScript.pig;"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| @Test |
| public void testDescribeShortcut() throws Throwable { |
| String cmd = "a = load 'input' USING mock.Storage() as (x:chararray,y:chararray,z:long);" |
| + "b = foreach a generate $0 as foo;" + "\\de b;"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| /** |
| * When no alias is passed, last alias should be described |
| * |
| * @throws Throwable |
| */ |
| @Test |
| public void testDescribeShortcutNoAlias() throws Throwable { |
| String cmd = "a = load 'input' USING mock.Storage() as (x:chararray,y:chararray,z:long);" |
| + "b = foreach a generate $0 as foo;" + "\\de;"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| /** |
| * When no alias is define, then exception is expected |
| * |
| * @throws Throwable |
| */ |
| @Test(expected = IOException.class) |
| public void testDescribeShortcutNoAliasDefined() throws Throwable { |
| String cmd = "\\de"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| @Test |
| public void testDumpShortcut() throws Throwable { |
| String cmd = "a = load 'input' USING mock.Storage() as (x:chararray,y:chararray,z:long);" |
| + "b = foreach a generate $0 as foo;" + "\\d b;"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| /** |
| * When no alias is passed, last alias should be dumped |
| * |
| * @throws Throwable |
| */ |
| @Test |
| public void testDumpShortcutNoAlias() throws Throwable { |
| String cmd = "a = load 'input' USING mock.Storage() as (x:chararray,y:chararray,z:long);" |
| + "b = foreach a generate $0 as foo;" + "\\d;"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| /** |
| * When no alias is defined, exception is expected |
| * |
| * @throws Throwable |
| */ |
| @Test(expected = IOException.class) |
| public void testDumpShortcutNoAliasDefined() throws Throwable { |
| String cmd = "\\d"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| @Test |
| public void testIllustrateShortcut() throws Throwable { |
| String cmd = "a = load 'input' USING mock.Storage() as (x:chararray,y:chararray,z:long);" |
| + "b = group a by $0;" + "\\i b;"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| /** |
| * When no alias is passed, last alias should be illustrated |
| * |
| * @throws Throwable |
| */ |
| @Test |
| public void testIllustrateShortcutNoAlias() throws Throwable { |
| String cmd = "a = load 'input' USING mock.Storage() as (x:chararray,y:chararray,z:long);" |
| + "b = group a by $0;" + "\\i"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| /** |
| * When no alias is defined, exception is expected |
| * |
| * @throws Throwable |
| */ |
| @Test(expected = ParseException.class) |
| public void testIllustrateShortcutNoAliasDefined() throws Throwable { |
| String cmd = "\\i"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| @Test |
| public void testIllustrateShortcutScript() throws Throwable { |
| String cmd = "\\i -script " + basedir + "/illustrate.pig;"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| @Test |
| public void testQuit() throws Throwable { |
| String cmd = "a = load 'input' USING mock.Storage() as (x:chararray,y:chararray,z:long);" |
| + "b = group a by $0;" + "\\q"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| @Test |
| public void testDumpWithPreviousRelation() throws Exception { |
| Data data = resetData(pigServer); |
| Set<Tuple> expected = Sets.newHashSet(tuple("a"), tuple("b"), tuple("c")); |
| |
| data.set("foo", Utils.getSchemaFromString("x:chararray"), expected); |
| pigServer.registerQuery("=> load 'foo' using mock.Storage();"); |
| Iterator<Tuple> op = pigServer.openIterator("@"); |
| while (op.hasNext()) { |
| assertTrue(expected.remove(op.next())); |
| } |
| assertFalse(op.hasNext()); |
| assertTrue(expected.isEmpty()); |
| } |
| |
| @Test |
| public void testDescribeWithPreviousRelation() throws Exception { |
| Data data = resetData(pigServer); |
| Set<Tuple> expected = Sets.newHashSet(tuple("a"), tuple("b"), tuple("c")); |
| |
| Schema s = Utils.getSchemaFromString("x:chararray"); |
| data.set("foo", s, expected); |
| pigServer.registerQuery("=> load 'foo' using mock.Storage();"); |
| Schema s2 = pigServer.dumpSchema("@"); |
| assertEquals(s,s2); |
| } |
| |
| @Test |
| public void testExplainWithPreviousRelation() throws Throwable { |
| String cmd = "=> load 'input' USING mock.Storage() as (x:chararray,y:chararray,z:long);" |
| + "explain @;"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| |
| @Test |
| public void testIllustrateWithPreviousRelation() throws Throwable { |
| String cmd = "=> load 'input' USING mock.Storage() as (x:chararray,y:chararray,z:long);" |
| + "illustrate @;"; |
| |
| ByteArrayInputStream cmdstream = new ByteArrayInputStream(cmd.getBytes()); |
| InputStreamReader reader = new InputStreamReader(cmdstream); |
| |
| Grunt grunt = new Grunt(new BufferedReader(reader), context); |
| grunt.exec(); |
| } |
| } |