| /** |
| * 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 com.datatorrent.lib.util; |
| |
| import java.io.File; |
| import java.util.List; |
| |
| import org.junit.rules.TestWatcher; |
| import org.junit.runner.Description; |
| |
| import org.apache.apex.malhar.lib.utils.serde.BufferSlice; |
| import org.apache.commons.io.FileUtils; |
| |
| import com.google.common.base.Preconditions; |
| |
| import com.datatorrent.api.DefaultPartition; |
| import com.datatorrent.api.Operator; |
| import com.datatorrent.api.Operator.OutputPort; |
| import com.datatorrent.api.Sink; |
| import com.datatorrent.api.Stats; |
| import com.datatorrent.api.StatsListener; |
| import com.datatorrent.netlet.util.Slice; |
| |
| public class TestUtils |
| { |
| public static byte[] getByte(int val) |
| { |
| Preconditions.checkArgument(val <= Byte.MAX_VALUE); |
| return new byte[]{(byte)val}; |
| } |
| |
| public static byte[] getBytes(int val) |
| { |
| byte[] bytes = new byte[4]; |
| bytes[0] = (byte)(val & 0xFF); |
| bytes[1] = (byte)((val >> 8) & 0xFF); |
| bytes[2] = (byte)((val >> 16) & 0xFF); |
| bytes[3] = (byte)((val >> 24) & 0xFF); |
| |
| return bytes; |
| } |
| |
| public static Slice getSlice(int val) |
| { |
| return new BufferSlice(getBytes(val)); |
| } |
| |
| public static class TestInfo extends TestWatcher |
| { |
| public org.junit.runner.Description desc; |
| |
| public String getDir() |
| { |
| String methodName = desc.getMethodName(); |
| String className = desc.getClassName(); |
| return "target/" + className + "/" + methodName; |
| } |
| |
| @Override |
| protected void starting(org.junit.runner.Description description) |
| { |
| this.desc = description; |
| } |
| } |
| |
| public static void deleteTargetTestClassFolder(Description description) |
| { |
| FileUtils.deleteQuietly(new File("target/" + description.getClassName())); |
| } |
| |
| @SuppressWarnings({"unchecked", "rawtypes"}) |
| public static <S extends Sink, T> S setSink(OutputPort<T> port, S sink) |
| { |
| port.setSink(sink); |
| return sink; |
| } |
| |
| /** |
| * A mock batched operator stats used for testing stats listener and partitioner. |
| */ |
| public static class MockBatchedOperatorStats implements StatsListener.BatchedOperatorStats |
| { |
| |
| final int operatorId; |
| public List<Stats.OperatorStats> operatorStats; |
| public long latency; |
| |
| public MockBatchedOperatorStats(int operatorId) |
| { |
| this.operatorId = operatorId; |
| } |
| |
| @Override |
| public List<Stats.OperatorStats> getLastWindowedStats() |
| { |
| return operatorStats; |
| } |
| |
| @Override |
| public int getOperatorId() |
| { |
| return operatorId; |
| } |
| |
| @Override |
| public long getCurrentWindowId() |
| { |
| return 0; |
| } |
| |
| @Override |
| public long getTuplesProcessedPSMA() |
| { |
| return 0; |
| } |
| |
| @Override |
| public long getTuplesEmittedPSMA() |
| { |
| return 0; |
| } |
| |
| @Override |
| public double getCpuPercentageMA() |
| { |
| return 0; |
| } |
| |
| @Override |
| public long getLatencyMA() |
| { |
| return latency; |
| } |
| |
| @Override |
| public List<StatsListener.OperatorResponse> getOperatorResponse() |
| { |
| return null; |
| } |
| } |
| |
| /** |
| * A mock {@link DefaultPartition} |
| * |
| * @param <T> operator type |
| */ |
| public static class MockPartition<T extends Operator> extends DefaultPartition<T> |
| { |
| |
| public MockPartition(DefaultPartition<T> defaultPartition, MockBatchedOperatorStats stats) |
| { |
| super(defaultPartition.getPartitionedInstance(), defaultPartition.getPartitionKeys(), |
| defaultPartition.getLoad(), stats); |
| } |
| } |
| |
| } |