Java tutorial
/* * * * * 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.tez.runtime.library.conf; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertTrue; import static org.junit.Assert.fail; import java.util.HashMap; import java.util.Map; import org.apache.hadoop.conf.Configuration; import org.apache.tez.common.TezJobConfig; import org.junit.Test; public class TestUnorderedPartitionedKVEdgeConfigurer { @Test public void testNullParams() { try { UnorderedPartitionedKVEdgeConfigurer.newBuilder(null, "VALUE", "PARTITIONER", null); fail("Expecting a null parameter list to fail"); } catch (NullPointerException npe) { assertTrue(npe.getMessage().contains("cannot be null")); } try { UnorderedPartitionedKVEdgeConfigurer.newBuilder("KEY", null, "PARTITIONER", null); fail("Expecting a null parameter list to fail"); } catch (NullPointerException npe) { assertTrue(npe.getMessage().contains("cannot be null")); } try { UnorderedPartitionedKVEdgeConfigurer.newBuilder("KEY", "VALUE", null, null); fail("Expecting a null parameter list to fail"); } catch (NullPointerException npe) { assertTrue(npe.getMessage().contains("cannot be null")); } } @Test public void testDefaultConfigsUsed() { UnorderedPartitionedKVEdgeConfigurer.Builder builder = UnorderedPartitionedKVEdgeConfigurer .newBuilder("KEY", "VALUE", "PARTITIONER", null); UnorderedPartitionedKVEdgeConfigurer configuration = builder.build(); byte[] outputBytes = configuration.getOutputPayload(); byte[] inputBytes = configuration.getInputPayload(); OnFileUnorderedPartitionedKVOutputConfiguration rebuiltOutput = new OnFileUnorderedPartitionedKVOutputConfiguration(); rebuiltOutput.fromByteArray(outputBytes); ShuffledUnorderedKVInputConfiguration rebuiltInput = new ShuffledUnorderedKVInputConfiguration(); rebuiltInput.fromByteArray(inputBytes); Configuration outputConf = rebuiltOutput.conf; assertEquals(true, outputConf.getBoolean(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD, TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD_DEFAULT)); assertEquals("TestCodec", outputConf.get(TezJobConfig.TEZ_RUNTIME_COMPRESS_CODEC, "")); Configuration inputConf = rebuiltInput.conf; assertEquals(true, inputConf.getBoolean(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD, TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD_DEFAULT)); assertEquals("TestCodec", inputConf.get(TezJobConfig.TEZ_RUNTIME_COMPRESS_CODEC, "")); } @Test public void testSpecificIOConfs() { // Ensures that Output and Input confs are not mixed. UnorderedPartitionedKVEdgeConfigurer.Builder builder = UnorderedPartitionedKVEdgeConfigurer .newBuilder("KEY", "VALUE", "PARTITIONER", null); UnorderedPartitionedKVEdgeConfigurer configuration = builder.build(); byte[] outputBytes = configuration.getOutputPayload(); byte[] inputBytes = configuration.getInputPayload(); OnFileUnorderedPartitionedKVOutputConfiguration rebuiltOutput = new OnFileUnorderedPartitionedKVOutputConfiguration(); rebuiltOutput.fromByteArray(outputBytes); ShuffledUnorderedKVInputConfiguration rebuiltInput = new ShuffledUnorderedKVInputConfiguration(); rebuiltInput.fromByteArray(inputBytes); Configuration outputConf = rebuiltOutput.conf; assertEquals("TestCodec", outputConf.get(TezJobConfig.TEZ_RUNTIME_COMPRESS_CODEC, "DEFAULT")); Configuration inputConf = rebuiltInput.conf; assertEquals("TestCodec", inputConf.get(TezJobConfig.TEZ_RUNTIME_COMPRESS_CODEC, "DEFAULT")); } @Test public void tetCommonConf() { Configuration fromConf = new Configuration(false); fromConf.set("test.conf.key.1", "confkey1"); fromConf.setBoolean(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD, false); fromConf.setFloat(TezJobConfig.TEZ_RUNTIME_SHUFFLE_INPUT_BUFFER_PERCENT, 0.11f); fromConf.setInt(TezJobConfig.TEZ_RUNTIME_UNORDERED_OUTPUT_BUFFER_SIZE_MB, 123); fromConf.set("io.shouldExist", "io"); Map<String, String> additionalConfs = new HashMap<String, String>(); additionalConfs.put("test.key.2", "key2"); additionalConfs.put(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD_BYTES, "1111"); additionalConfs.put(TezJobConfig.TEZ_RUNTIME_SHUFFLE_MEMORY_LIMIT_PERCENT, "0.22f"); additionalConfs.put(TezJobConfig.TEZ_RUNTIME_UNORDERED_OUTPUT_MAX_PER_BUFFER_SIZE_BYTES, "2222"); additionalConfs.put("file.shouldExist", "file"); UnorderedPartitionedKVEdgeConfigurer.Builder builder = UnorderedPartitionedKVEdgeConfigurer .newBuilder("KEY", "VALUE", "PARTITIONER", null).setAdditionalConfiguration("fs.shouldExist", "fs") .setAdditionalConfiguration("test.key.1", "key1") .setAdditionalConfiguration(TezJobConfig.TEZ_RUNTIME_IO_FILE_BUFFER_SIZE, "3333") .setAdditionalConfiguration(TezJobConfig.TEZ_RUNTIME_SHUFFLE_MERGE_PERCENT, "0.33f") .setAdditionalConfiguration(additionalConfs).setFromConfiguration(fromConf); UnorderedPartitionedKVEdgeConfigurer configuration = builder.build(); byte[] outputBytes = configuration.getOutputPayload(); byte[] inputBytes = configuration.getInputPayload(); OnFileUnorderedPartitionedKVOutputConfiguration rebuiltOutput = new OnFileUnorderedPartitionedKVOutputConfiguration(); rebuiltOutput.fromByteArray(outputBytes); ShuffledUnorderedKVInputConfiguration rebuiltInput = new ShuffledUnorderedKVInputConfiguration(); rebuiltInput.fromByteArray(inputBytes); Configuration outputConf = rebuiltOutput.conf; Configuration inputConf = rebuiltInput.conf; assertEquals(false, outputConf.getBoolean(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD, true)); assertEquals(1111, outputConf.getInt(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD_BYTES, 0)); assertEquals(3333, outputConf.getInt(TezJobConfig.TEZ_RUNTIME_IO_FILE_BUFFER_SIZE, 0)); assertNull(outputConf.get(TezJobConfig.TEZ_RUNTIME_SHUFFLE_INPUT_BUFFER_PERCENT)); assertNull(outputConf.get(TezJobConfig.TEZ_RUNTIME_SHUFFLE_MEMORY_LIMIT_PERCENT)); assertNull(outputConf.get(TezJobConfig.TEZ_RUNTIME_SHUFFLE_MERGE_PERCENT)); assertEquals(123, outputConf.getInt(TezJobConfig.TEZ_RUNTIME_UNORDERED_OUTPUT_BUFFER_SIZE_MB, 0)); assertEquals(2222, outputConf.getInt(TezJobConfig.TEZ_RUNTIME_UNORDERED_OUTPUT_MAX_PER_BUFFER_SIZE_BYTES, 0)); assertEquals("io", outputConf.get("io.shouldExist")); assertEquals("file", outputConf.get("file.shouldExist")); assertEquals("fs", outputConf.get("fs.shouldExist")); assertEquals(false, inputConf.getBoolean(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD, true)); assertEquals(1111, inputConf.getInt(TezJobConfig.TEZ_RUNTIME_IFILE_READAHEAD_BYTES, 0)); assertEquals(3333, inputConf.getInt(TezJobConfig.TEZ_RUNTIME_IO_FILE_BUFFER_SIZE, 0)); assertEquals(0.11f, inputConf.getFloat(TezJobConfig.TEZ_RUNTIME_SHUFFLE_INPUT_BUFFER_PERCENT, 0.0f), 0.001f); assertEquals(0.22f, inputConf.getFloat(TezJobConfig.TEZ_RUNTIME_SHUFFLE_MEMORY_LIMIT_PERCENT, 0.0f), 0.001f); assertEquals(0.33f, inputConf.getFloat(TezJobConfig.TEZ_RUNTIME_SHUFFLE_MERGE_PERCENT, 0.0f), 0.001f); assertNull(inputConf.get(TezJobConfig.TEZ_RUNTIME_UNORDERED_OUTPUT_BUFFER_SIZE_MB)); assertNull(inputConf.get(TezJobConfig.TEZ_RUNTIME_UNORDERED_OUTPUT_MAX_PER_BUFFER_SIZE_BYTES)); assertEquals("io", inputConf.get("io.shouldExist")); assertEquals("file", inputConf.get("file.shouldExist")); assertEquals("fs", inputConf.get("fs.shouldExist")); } }