| /* |
| * 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.beam.sdk.io.kinesis; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.mockito.BDDMockito.given; |
| |
| import com.amazonaws.services.kinesis.clientlibrary.lib.worker.InitialPositionInStream; |
| import com.amazonaws.services.kinesis.model.Shard; |
| import java.util.Set; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.Sets; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.runners.MockitoJUnitRunner; |
| |
| /** * */ |
| @RunWith(MockitoJUnitRunner.class) |
| public class DynamicCheckpointGeneratorTest { |
| |
| @Mock private SimplifiedKinesisClient kinesisClient; |
| @Mock private StartingPointShardsFinder startingPointShardsFinder; |
| @Mock private Shard shard1, shard2, shard3; |
| |
| @Test |
| public void shouldMapAllShardsToCheckpoints() throws Exception { |
| given(shard1.getShardId()).willReturn("shard-01"); |
| given(shard2.getShardId()).willReturn("shard-02"); |
| given(shard3.getShardId()).willReturn("shard-03"); |
| Set<Shard> shards = Sets.newHashSet(shard1, shard2, shard3); |
| StartingPoint startingPoint = new StartingPoint(InitialPositionInStream.LATEST); |
| given( |
| startingPointShardsFinder.findShardsAtStartingPoint( |
| kinesisClient, "stream", startingPoint)) |
| .willReturn(shards); |
| DynamicCheckpointGenerator underTest = |
| new DynamicCheckpointGenerator("stream", startingPoint, startingPointShardsFinder); |
| |
| KinesisReaderCheckpoint checkpoint = underTest.generate(kinesisClient); |
| |
| assertThat(checkpoint).hasSize(3); |
| } |
| |
| @Test |
| public void shouldMapAllValidShardsToCheckpoints() throws Exception { |
| given(shard1.getShardId()).willReturn("shard-01"); |
| given(shard2.getShardId()).willReturn("shard-02"); |
| given(shard3.getShardId()).willReturn("shard-03"); |
| String streamName = "stream"; |
| Set<Shard> shards = Sets.newHashSet(shard1, shard2); |
| StartingPoint startingPoint = new StartingPoint(InitialPositionInStream.LATEST); |
| given( |
| startingPointShardsFinder.findShardsAtStartingPoint( |
| kinesisClient, "stream", startingPoint)) |
| .willReturn(shards); |
| |
| DynamicCheckpointGenerator underTest = |
| new DynamicCheckpointGenerator(streamName, startingPoint, startingPointShardsFinder); |
| |
| KinesisReaderCheckpoint checkpoint = underTest.generate(kinesisClient); |
| assertThat(checkpoint) |
| .hasSize(2) |
| .doesNotContain(new ShardCheckpoint(streamName, shard3.getShardId(), startingPoint)); |
| } |
| } |