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.assertNotNull; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertTrue; import static org.junit.Assert.fail; import static org.mockito.Mockito.mock; import java.util.HashMap; import java.util.Map; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.CommonConfigurationKeys; import org.apache.tez.dag.api.EdgeManagerPluginDescriptor; import org.apache.tez.dag.api.EdgeProperty; import org.apache.tez.runtime.library.api.TezRuntimeConfiguration; import org.junit.Test; public class TestUnorderedKVEdgeConfig { @Test(timeout = 2000) public void testNullParams() { try { UnorderedKVEdgeConfig.newBuilder(null, "VALUE"); fail("Expecting a null parameter list to fail"); } catch (NullPointerException npe) { assertTrue(npe.getMessage().contains("cannot be null")); } try { UnorderedKVEdgeConfig.newBuilder("KEY", null); fail("Expecting a null parameter list to fail"); } catch (NullPointerException npe) { assertTrue(npe.getMessage().contains("cannot be null")); } } @Test(timeout = 2000) public void testDefaultConfigsUsed() { UnorderedKVEdgeConfig.Builder builder = UnorderedKVEdgeConfig.newBuilder("KEY", "VALUE"); builder.setKeySerializationClass("SerClass1", null).setValueSerializationClass("SerClass2", null); UnorderedKVEdgeConfig configuration = builder.build(); UnorderedKVOutputConfig rebuiltOutput = new UnorderedKVOutputConfig(); rebuiltOutput.fromUserPayload(configuration.getOutputPayload()); UnorderedKVInputConfig rebuiltInput = new UnorderedKVInputConfig(); rebuiltInput.fromUserPayload(configuration.getInputPayload()); Configuration outputConf = rebuiltOutput.conf; assertEquals(true, outputConf.getBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD, TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD_DEFAULT)); assertEquals("TestCodec", outputConf.get(TezRuntimeConfiguration.TEZ_RUNTIME_COMPRESS_CODEC, "")); assertTrue(outputConf.get(CommonConfigurationKeys.IO_SERIALIZATIONS_KEY).startsWith("SerClass2,SerClass1")); Configuration inputConf = rebuiltInput.conf; assertEquals(true, inputConf.getBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD, TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD_DEFAULT)); assertEquals("TestCodec", inputConf.get(TezRuntimeConfiguration.TEZ_RUNTIME_COMPRESS_CODEC, "")); assertTrue(inputConf.get(CommonConfigurationKeys.IO_SERIALIZATIONS_KEY).startsWith("SerClass2,SerClass1")); } @Test(timeout = 2000) public void testSpecificIOConfs() { // Ensures that Output and Input confs are not mixed. UnorderedKVEdgeConfig.Builder builder = UnorderedKVEdgeConfig.newBuilder("KEY", "VALUE"); UnorderedKVEdgeConfig configuration = builder.build(); UnorderedKVOutputConfig rebuiltOutput = new UnorderedKVOutputConfig(); rebuiltOutput.fromUserPayload(configuration.getOutputPayload()); UnorderedKVInputConfig rebuiltInput = new UnorderedKVInputConfig(); rebuiltInput.fromUserPayload(configuration.getInputPayload()); Configuration outputConf = rebuiltOutput.conf; assertEquals("TestCodec", outputConf.get(TezRuntimeConfiguration.TEZ_RUNTIME_COMPRESS_CODEC, "DEFAULT")); Configuration inputConf = rebuiltInput.conf; assertEquals("TestCodec", inputConf.get(TezRuntimeConfiguration.TEZ_RUNTIME_COMPRESS_CODEC, "DEFAULT")); } @Test(timeout = 2000) public void tetCommonConf() { Configuration fromConf = new Configuration(false); fromConf.set("test.conf.key.1", "confkey1"); fromConf.setBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD, false); fromConf.setFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_FETCH_BUFFER_PERCENT, 0.11f); fromConf.set("io.shouldExist", "io"); Map<String, String> additionalConfs = new HashMap<String, String>(); additionalConfs.put("test.key.2", "key2"); additionalConfs.put(TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD_BYTES, "1111"); additionalConfs.put(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MEMORY_LIMIT_PERCENT, "0.22f"); additionalConfs.put("file.shouldExist", "file"); UnorderedKVEdgeConfig.Builder builder = UnorderedKVEdgeConfig.newBuilder("KEY", "VALUE") .setAdditionalConfiguration("fs.shouldExist", "fs").setAdditionalConfiguration("test.key.1", "key1") .setAdditionalConfiguration(TezRuntimeConfiguration.TEZ_RUNTIME_IO_FILE_BUFFER_SIZE, "3333") .setAdditionalConfiguration(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MERGE_PERCENT, "0.33f") .setAdditionalConfiguration(additionalConfs).setFromConfiguration(fromConf); UnorderedKVEdgeConfig configuration = builder.build(); UnorderedKVOutputConfig rebuiltOutput = new UnorderedKVOutputConfig(); rebuiltOutput.fromUserPayload(configuration.getOutputPayload()); UnorderedKVInputConfig rebuiltInput = new UnorderedKVInputConfig(); rebuiltInput.fromUserPayload(configuration.getInputPayload()); Configuration outputConf = rebuiltOutput.conf; Configuration inputConf = rebuiltInput.conf; assertEquals(false, outputConf.getBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD, true)); assertEquals(1111, outputConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD_BYTES, 0)); assertEquals(3333, outputConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_IO_FILE_BUFFER_SIZE, 0)); assertNull(outputConf.get(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_FETCH_BUFFER_PERCENT)); assertNull(outputConf.get(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MEMORY_LIMIT_PERCENT)); assertNull(outputConf.get(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MERGE_PERCENT)); assertEquals("io", outputConf.get("io.shouldExist")); assertEquals("file", outputConf.get("file.shouldExist")); assertEquals("fs", outputConf.get("fs.shouldExist")); assertEquals(false, inputConf.getBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD, true)); assertEquals(1111, inputConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD_BYTES, 0)); assertEquals(3333, inputConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_IO_FILE_BUFFER_SIZE, 0)); assertEquals(0.11f, inputConf.getFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_FETCH_BUFFER_PERCENT, 0.0f), 0.001f); assertEquals(0.22f, inputConf.getFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MEMORY_LIMIT_PERCENT, 0.0f), 0.001f); assertEquals(0.33f, inputConf.getFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MERGE_PERCENT, 0.0f), 0.001f); assertEquals("io", inputConf.get("io.shouldExist")); assertEquals("file", inputConf.get("file.shouldExist")); assertEquals("fs", inputConf.get("fs.shouldExist")); } private void checkHistoryText(String historyText) { assertNotNull(historyText); assertTrue(historyText.contains(TezRuntimeConfiguration.TEZ_RUNTIME_CONVERT_USER_PAYLOAD_TO_HISTORY_TEXT)); } @Test(timeout = 2000) public void testHistoryText() { UnorderedKVEdgeConfig.Builder builder = UnorderedKVEdgeConfig.newBuilder("KEY", "VALUE"); Configuration fromConf = new Configuration(false); fromConf.setBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_CONVERT_USER_PAYLOAD_TO_HISTORY_TEXT, true); builder.setFromConfiguration(fromConf); UnorderedKVEdgeConfig kvEdgeConfig = builder.build(); checkHistoryText(kvEdgeConfig.getInputHistoryText()); checkHistoryText(kvEdgeConfig.getOutputHistoryText()); EdgeProperty defaultEdgeProperty = builder.build().createDefaultBroadcastEdgeProperty(); checkHistoryText(defaultEdgeProperty.getEdgeDestination().getHistoryText()); checkHistoryText(defaultEdgeProperty.getEdgeSource().getHistoryText()); defaultEdgeProperty = builder.build().createDefaultOneToOneEdgeProperty(); checkHistoryText(defaultEdgeProperty.getEdgeDestination().getHistoryText()); checkHistoryText(defaultEdgeProperty.getEdgeSource().getHistoryText()); EdgeManagerPluginDescriptor descriptor = mock(EdgeManagerPluginDescriptor.class); EdgeProperty edgeProperty = builder.build().createDefaultCustomEdgeProperty(descriptor); checkHistoryText(edgeProperty.getEdgeDestination().getHistoryText()); checkHistoryText(edgeProperty.getEdgeSource().getHistoryText()); } }