/hcatalog/core/src/test/java/org/apache/hive/hcatalog/mapreduce/TestHCatHiveCompatibility.java
Java | 129 lines | 82 code | 24 blank | 23 comment | 3 complexity | f907244966168b861e3d5c31b4377d0d MD5 | raw file
Possible License(s): Apache-2.0
- /**
- * 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.hive.hcatalog.mapreduce;
- import java.io.File;
- import java.io.FileWriter;
- import java.util.Arrays;
- import java.util.Iterator;
- import junit.framework.Assert;
- import org.apache.hadoop.hive.metastore.api.Partition;
- import org.apache.hadoop.hive.metastore.api.Table;
- import org.apache.hive.hcatalog.common.HCatConstants;
- import org.apache.pig.ExecType;
- import org.apache.pig.PigServer;
- import org.apache.pig.data.Tuple;
- import org.junit.BeforeClass;
- import org.junit.Test;
- public class TestHCatHiveCompatibility extends HCatBaseTest {
- private static final String INPUT_FILE_NAME = TEST_DATA_DIR + "/input.data";
- @BeforeClass
- public static void createInputData() throws Exception {
- int LOOP_SIZE = 11;
- File file = new File(INPUT_FILE_NAME);
- file.deleteOnExit();
- FileWriter writer = new FileWriter(file);
- for (int i = 0; i < LOOP_SIZE; i++) {
- writer.write(i + "\t1\n");
- }
- writer.close();
- }
- @Test
- public void testUnpartedReadWrite() throws Exception {
- driver.run("drop table if exists junit_unparted_noisd");
- String createTable = "create table junit_unparted_noisd(a int) stored as RCFILE";
- Assert.assertEquals(0, driver.run(createTable).getResponseCode());
- // assert that the table created has no hcat instrumentation, and that we're still able to read it.
- Table table = client.getTable("default", "junit_unparted_noisd");
- Assert.assertTrue(table.getSd().getInputFormat().equals(HCatConstants.HIVE_RCFILE_IF_CLASS));
- PigServer server = new PigServer(ExecType.LOCAL);
- logAndRegister(server, "A = load '" + INPUT_FILE_NAME + "' as (a:int);");
- logAndRegister(server, "store A into 'default.junit_unparted_noisd' using org.apache.hive.hcatalog.pig.HCatStorer();");
- logAndRegister(server, "B = load 'default.junit_unparted_noisd' using org.apache.hive.hcatalog.pig.HCatLoader();");
- Iterator<Tuple> itr = server.openIterator("B");
- int i = 0;
- while (itr.hasNext()) {
- Tuple t = itr.next();
- Assert.assertEquals(1, t.size());
- Assert.assertEquals(t.get(0), i);
- i++;
- }
- Assert.assertFalse(itr.hasNext());
- Assert.assertEquals(11, i);
- // assert that the table created still has no hcat instrumentation
- Table table2 = client.getTable("default", "junit_unparted_noisd");
- Assert.assertTrue(table2.getSd().getInputFormat().equals(HCatConstants.HIVE_RCFILE_IF_CLASS));
- driver.run("drop table junit_unparted_noisd");
- }
- @Test
- public void testPartedRead() throws Exception {
- driver.run("drop table if exists junit_parted_noisd");
- String createTable = "create table junit_parted_noisd(a int) partitioned by (b string) stored as RCFILE";
- Assert.assertEquals(0, driver.run(createTable).getResponseCode());
- // assert that the table created has no hcat instrumentation, and that we're still able to read it.
- Table table = client.getTable("default", "junit_parted_noisd");
- Assert.assertTrue(table.getSd().getInputFormat().equals(HCatConstants.HIVE_RCFILE_IF_CLASS));
- PigServer server = new PigServer(ExecType.LOCAL);
- logAndRegister(server, "A = load '" + INPUT_FILE_NAME + "' as (a:int);");
- logAndRegister(server, "store A into 'default.junit_parted_noisd' using org.apache.hive.hcatalog.pig.HCatStorer('b=42');");
- logAndRegister(server, "B = load 'default.junit_parted_noisd' using org.apache.hive.hcatalog.pig.HCatLoader();");
- Iterator<Tuple> itr = server.openIterator("B");
- int i = 0;
- while (itr.hasNext()) {
- Tuple t = itr.next();
- Assert.assertEquals(2, t.size()); // Contains explicit field "a" and partition "b".
- Assert.assertEquals(t.get(0), i);
- Assert.assertEquals(t.get(1), "42");
- i++;
- }
- Assert.assertFalse(itr.hasNext());
- Assert.assertEquals(11, i);
- // assert that the table created still has no hcat instrumentation
- Table table2 = client.getTable("default", "junit_parted_noisd");
- Assert.assertTrue(table2.getSd().getInputFormat().equals(HCatConstants.HIVE_RCFILE_IF_CLASS));
- // assert that there is one partition present, and it had hcat instrumentation inserted when it was created.
- Partition ptn = client.getPartition("default", "junit_parted_noisd", Arrays.asList("42"));
- Assert.assertNotNull(ptn);
- Assert.assertTrue(ptn.getSd().getInputFormat().equals(HCatConstants.HIVE_RCFILE_IF_CLASS));
- driver.run("drop table junit_unparted_noisd");
- }
- }