| /* |
| * 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.samza.operators.impl; |
| |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import org.apache.samza.Partition; |
| import org.apache.samza.system.OutgoingMessageEnvelope; |
| import org.apache.samza.system.StreamMetadataCache; |
| import org.apache.samza.system.SystemStream; |
| import org.apache.samza.system.SystemStreamMetadata; |
| import org.apache.samza.system.SystemStreamPartition; |
| import org.apache.samza.system.WatermarkMessage; |
| import org.apache.samza.task.MessageCollector; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.anyBoolean; |
| import static org.mockito.Matchers.anyObject; |
| import static org.mockito.Mockito.doAnswer; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| |
| public class TestControlMessageSender { |
| |
| @Test |
| public void testSend() { |
| SystemStreamMetadata metadata = mock(SystemStreamMetadata.class); |
| Map<Partition, SystemStreamMetadata.SystemStreamPartitionMetadata> partitionMetadata = new HashMap<>(); |
| partitionMetadata.put(new Partition(0), mock(SystemStreamMetadata.SystemStreamPartitionMetadata.class)); |
| partitionMetadata.put(new Partition(1), mock(SystemStreamMetadata.SystemStreamPartitionMetadata.class)); |
| partitionMetadata.put(new Partition(2), mock(SystemStreamMetadata.SystemStreamPartitionMetadata.class)); |
| partitionMetadata.put(new Partition(3), mock(SystemStreamMetadata.SystemStreamPartitionMetadata.class)); |
| when(metadata.getSystemStreamPartitionMetadata()).thenReturn(partitionMetadata); |
| StreamMetadataCache metadataCache = mock(StreamMetadataCache.class); |
| when(metadataCache.getSystemStreamMetadata(anyObject(), anyBoolean())).thenReturn(metadata); |
| |
| SystemStream systemStream = new SystemStream("test-system", "test-stream"); |
| Set<Integer> partitions = new HashSet<>(); |
| MessageCollector collector = mock(MessageCollector.class); |
| doAnswer(invocation -> { |
| OutgoingMessageEnvelope envelope = (OutgoingMessageEnvelope) invocation.getArguments()[0]; |
| partitions.add((Integer) envelope.getPartitionKey()); |
| assertEquals(envelope.getSystemStream(), systemStream); |
| return null; |
| }).when(collector).send(any()); |
| |
| ControlMessageSender sender = new ControlMessageSender(metadataCache); |
| WatermarkMessage watermark = new WatermarkMessage(System.currentTimeMillis(), "task 0"); |
| sender.send(watermark, systemStream, collector); |
| assertEquals(partitions.size(), 1); |
| } |
| |
| @Test |
| public void testBroadcast() { |
| SystemStreamMetadata metadata = mock(SystemStreamMetadata.class); |
| Map<Partition, SystemStreamMetadata.SystemStreamPartitionMetadata> partitionMetadata = new HashMap<>(); |
| partitionMetadata.put(new Partition(0), mock(SystemStreamMetadata.SystemStreamPartitionMetadata.class)); |
| partitionMetadata.put(new Partition(1), mock(SystemStreamMetadata.SystemStreamPartitionMetadata.class)); |
| partitionMetadata.put(new Partition(2), mock(SystemStreamMetadata.SystemStreamPartitionMetadata.class)); |
| partitionMetadata.put(new Partition(3), mock(SystemStreamMetadata.SystemStreamPartitionMetadata.class)); |
| when(metadata.getSystemStreamPartitionMetadata()).thenReturn(partitionMetadata); |
| StreamMetadataCache metadataCache = mock(StreamMetadataCache.class); |
| when(metadataCache.getSystemStreamMetadata(anyObject(), anyBoolean())).thenReturn(metadata); |
| |
| SystemStream systemStream = new SystemStream("test-system", "test-stream"); |
| Set<Integer> partitions = new HashSet<>(); |
| MessageCollector collector = mock(MessageCollector.class); |
| doAnswer(invocation -> { |
| OutgoingMessageEnvelope envelope = (OutgoingMessageEnvelope) invocation.getArguments()[0]; |
| partitions.add((Integer) envelope.getPartitionKey()); |
| assertEquals(envelope.getSystemStream(), systemStream); |
| return null; |
| }).when(collector).send(any()); |
| |
| ControlMessageSender sender = new ControlMessageSender(metadataCache); |
| WatermarkMessage watermark = new WatermarkMessage(System.currentTimeMillis(), "task 0"); |
| SystemStreamPartition ssp = new SystemStreamPartition(systemStream, new Partition(0)); |
| sender.broadcastToOtherPartitions(watermark, ssp, collector); |
| assertEquals(partitions.size(), 3); |
| } |
| } |