GJL commented on a change in pull request #8309: [FLINK-12229] [runtime] Implement LazyFromSourcesScheduling Strategy URL: https://github.com/apache/flink/pull/8309#discussion_r285512674
########## File path: flink-runtime/src/test/java/org/apache/flink/runtime/scheduler/strategy/InputDependencyConstraintCheckerTest.java ########## @@ -0,0 +1,264 @@ +/* + * 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.util.TestLogger; + +import org.junit.Test; + +import java.util.List; + +import static org.apache.flink.api.common.InputDependencyConstraint.ALL; +import static org.apache.flink.runtime.io.network.partition.ResultPartitionType.PIPELINED; +import static org.apache.flink.runtime.scheduler.strategy.SchedulingResultPartition.ResultPartitionState.EMPTY; +import static org.apache.flink.runtime.scheduler.strategy.SchedulingResultPartition.ResultPartitionState.PRODUCING; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +/** + * Unit tests for {@link InputDependencyConstraintChecker}. + */ +public class InputDependencyConstraintCheckerTest extends TestLogger { + + @Test + public void testCheckInputVertex() { + final TestingSchedulingTopology testingSchedulingTopology = new TestingSchedulingTopology(); + + final List<TestingSchedulingExecutionVertex> producers = testingSchedulingTopology.addExecutionVertices().finish(); + + final InputDependencyConstraintChecker inputChecker = testingSchedulingTopology Review comment: I think it's better to create the `InputDependencyConstraintChecker` instance without `TestingSchedulingTopology` because: - there are no complex relationships with other objects, such as `SchedulingExecutionVertex` - InputDependencyConstraintChecker is only used inside this test but not in other tests A static factory method `createInputDependencyConstraintChecker(List<? extends SchedulingResultPartition> resultPartitions)` inside the unit test should be enough. ---------------------------------------------------------------- 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