GJL commented on a change in pull request #8296: [FLINK-12228] [runtime] Implement Eager Scheduling Strategy URL: https://github.com/apache/flink/pull/8296#discussion_r281095557
########## File path: flink-runtime/src/test/java/org/apache/flink/runtime/scheduler/strategy/EagerSchedulingStrategyTest.java ########## @@ -0,0 +1,119 @@ +/* + * 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.flink.runtime.scheduler.strategy; + +import org.apache.flink.runtime.jobgraph.JobVertexID; +import org.apache.flink.runtime.scheduler.ExecutionVertexDeploymentOption; +import org.apache.flink.util.TestLogger; + +import org.junit.Test; + +import java.util.Collection; +import java.util.HashSet; +import java.util.Set; +import java.util.stream.Collectors; +import java.util.stream.StreamSupport; + +import static org.hamcrest.Matchers.containsInAnyOrder; +import static org.hamcrest.Matchers.hasItem; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertThat; + +/** + * Tests for {@link EagerSchedulingStrategy}. + */ +public class EagerSchedulingStrategyTest extends TestLogger { + + /** + * Tests that when start scheduling eager scheduling strategy will start all vertices in scheduling topology. + */ + @Test + public void testStartScheduling() { + TestingSchedulingTopology testingSchedulingTopology = new TestingSchedulingTopology(); + JobVertexID jobVertexID = new JobVertexID(); + testingSchedulingTopology.addSchedulingExecutionVertex(new TestingSchedulingExecutionVertex(jobVertexID, 0)); + testingSchedulingTopology.addSchedulingExecutionVertex(new TestingSchedulingExecutionVertex(jobVertexID, 1)); + testingSchedulingTopology.addSchedulingExecutionVertex(new TestingSchedulingExecutionVertex(jobVertexID, 2)); + testingSchedulingTopology.addSchedulingExecutionVertex(new TestingSchedulingExecutionVertex(jobVertexID, 3)); + testingSchedulingTopology.addSchedulingExecutionVertex(new TestingSchedulingExecutionVertex(jobVertexID, 4)); + + TestingSchedulerOperations testingSchedulerOperations = new TestingSchedulerOperations(); + EagerSchedulingStrategy schedulingStrategy = new EagerSchedulingStrategy( + testingSchedulerOperations, + testingSchedulingTopology); + + schedulingStrategy.startScheduling(); + + assertEquals(1, testingSchedulerOperations.getScheduledVertices().size()); + + Collection<ExecutionVertexDeploymentOption> scheduledVertices = testingSchedulerOperations.getScheduledVertices().get(0); + assertEquals(5, scheduledVertices.size()); + for (SchedulingExecutionVertex schedulingExecutionVertex : testingSchedulingTopology.getVertices()) { + assertThat(getExecutionVertexIdsFromDeployOptions(scheduledVertices), hasItem(schedulingExecutionVertex.getId())); + } + } + + /** + * Tests that eager scheduling strategy will restart all vertices needing restarted at same time. + */ + @Test + public void testRestartTasks() { + TestingSchedulingTopology testingSchedulingTopology = new TestingSchedulingTopology(); Review comment: In every test we need an instance of: - `TestingSchedulerOperations` - `TestingSchedulingTopology` - `EagerSchedulingStrategy` Since they are constructed always the same way, I would suggest to move the initialization into a `setUp` method: ``` private TestingSchedulerOperations testingSchedulerOperations; private TestingSchedulingTopology testingSchedulingTopology; private EagerSchedulingStrategy schedulingStrategy; @Before public void setUp() { testingSchedulerOperations = new TestingSchedulerOperations(); testingSchedulingTopology = new TestingSchedulingTopology(); schedulingStrategy = new EagerSchedulingStrategy( testingSchedulerOperations, testingSchedulingTopology); } ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
