| /* |
| * 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.execution; |
| |
| import org.apache.samza.config.ApplicationConfig; |
| import org.apache.samza.config.Config; |
| import org.apache.samza.config.MapConfig; |
| import org.apache.samza.config.StreamConfig; |
| import org.apache.samza.system.StreamSpec; |
| import org.junit.Test; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class TestStreamEdge { |
| StreamSpec spec = new StreamSpec("stream-1", "physical-stream-1", "system-1"); |
| |
| @Test |
| public void testGetStreamSpec() { |
| StreamEdge edge = new StreamEdge(spec, false, false, new MapConfig()); |
| assertEquals(edge.getStreamSpec(), spec); |
| assertEquals(edge.getStreamSpec().getPartitionCount(), 1 /*StreamSpec.DEFAULT_PARTITION_COUNT*/); |
| |
| edge.setPartitionCount(10); |
| assertEquals(edge.getStreamSpec().getPartitionCount(), 10); |
| } |
| |
| @Test |
| public void testGetStreamSpec_Batch() { |
| Map<String, String> config = new HashMap<>(); |
| config.put(ApplicationConfig.APP_MODE, ApplicationConfig.ApplicationMode.BATCH.name()); |
| config.put(ApplicationConfig.APP_RUN_ID, "123"); |
| |
| // For batch, if the physical name hasn't been generated, it should append the unique id |
| StreamSpec batchSpec = new StreamSpec("stream-1", "stream-1", "system-1"); |
| StreamEdge edge = new StreamEdge(batchSpec, true, false, new MapConfig(config)); |
| assertEquals(edge.getStreamSpec().getPhysicalName(), batchSpec.getPhysicalName() + "-123"); |
| |
| // if the physical name has already been geneated somehow, then don't change |
| edge = new StreamEdge(spec, true, false, new MapConfig(config)); |
| assertEquals(edge.getStreamSpec().getPhysicalName(), spec.getPhysicalName()); |
| } |
| |
| @Test |
| public void testGenerateConfig() { |
| // an example unbounded IO stream |
| StreamSpec spec = new StreamSpec("stream-1", "physical-stream-1", "system-1", Collections.singletonMap("property1", "haha")); |
| StreamEdge edge = new StreamEdge(spec, false, false, new MapConfig()); |
| Config config = edge.generateConfig(); |
| StreamConfig streamConfig = new StreamConfig(config); |
| assertEquals(streamConfig.getSystem(spec.getId()), "system-1"); |
| assertEquals(streamConfig.getPhysicalName(spec.getId()), "physical-stream-1"); |
| assertEquals(streamConfig.getIsIntermediateStream(spec.getId()), false); |
| assertEquals(streamConfig.getStreamProperties(spec.getId()).get("property1"), "haha"); |
| |
| // bounded stream |
| spec = new StreamSpec("stream-1", "physical-stream-1", "system-1", Collections.singletonMap("property1", "haha")); |
| edge = new StreamEdge(spec, false, false, new MapConfig()); |
| config = edge.generateConfig(); |
| streamConfig = new StreamConfig(config); |
| |
| // intermediate stream |
| edge = new StreamEdge(spec, true, false, new MapConfig()); |
| config = edge.generateConfig(); |
| streamConfig = new StreamConfig(config); |
| assertEquals(streamConfig.getIsIntermediateStream(spec.getId()), true); |
| assertEquals(streamConfig.getPriority(spec.toSystemStream()), Integer.MAX_VALUE); |
| } |
| } |