[FLINK-21260] Add tests for Finished state

This closes apache#14912

flink-runtime/src/test/java/org/apache/flink/runtime/scheduler/declarative/FinishedTest.java

@@ -0,0 +1,99 @@
+/*
+ * 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:https://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.declarative;
+
+import org.apache.flink.api.common.JobStatus;
+import org.apache.flink.runtime.executiongraph.ArchivedExecutionGraph;
+import org.apache.flink.runtime.rest.handler.legacy.utils.ArchivedExecutionGraphBuilder;
+import org.apache.flink.util.TestLogger;
+
+import org.junit.Test;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.CoreMatchers.nullValue;
+import static org.junit.Assert.assertThat;
+
+/** Tests for declarative scheduler's {@link Finished} state. */
+public class FinishedTest extends TestLogger {
+ private final JobStatus testJobStatus = JobStatus.FAILED;
+
+ @Test
+ public void testOnFinishedCallOnEnter() throws Exception {
+ MockFinishedContext ctx = new MockFinishedContext();
+ Finished finished = createFinishedState(ctx);
+ finished.onEnter();
+
+ assertThat(ctx.getArchivedExecutionGraph().getState(), is(testJobStatus));
+ }
+
+ @Test
+ public void testCancelIgnored() throws Exception {
+ MockFinishedContext ctx = new MockFinishedContext();
+ createFinishedState(ctx).cancel();
+ ctx.assertNoStateTransition();
+ }
+
+ @Test
+ public void testSuspendIgnored() throws Exception {
+ MockFinishedContext ctx = new MockFinishedContext();
+ createFinishedState(ctx).suspend(new RuntimeException());
+ ctx.assertNoStateTransition();
+ }
+
+ @Test
+ public void testGlobalFailureIgnored() {
+ MockFinishedContext ctx = new MockFinishedContext();
+ createFinishedState(ctx).handleGlobalFailure(new RuntimeException());
+ ctx.assertNoStateTransition();
+ }
+
+ @Test
+ public void testGetJobStatus() {
+ MockFinishedContext ctx = new MockFinishedContext();
+ assertThat(createFinishedState(ctx).getJobStatus(), is(testJobStatus));
+ }
+
+ private Finished createFinishedState(MockFinishedContext ctx) {
+ final ArchivedExecutionGraph archivedExecutionGraph =
+ new ArchivedExecutionGraphBuilder().setState(testJobStatus).build();
+ return new Finished(ctx, archivedExecutionGraph, log);
+ }
+
+ private static class MockFinishedContext implements Finished.Context {
+
+ private ArchivedExecutionGraph archivedExecutionGraph = null;
+
+ @Override
+ public void onFinished(ArchivedExecutionGraph archivedExecutionGraph) {
+ if (archivedExecutionGraph != null) {
+ this.archivedExecutionGraph = archivedExecutionGraph;
+ } else {
+ throw new AssertionError("Transitioned to onFinished twice");
+ }
+ }
+
+ private void assertNoStateTransition() {
+ assertThat(archivedExecutionGraph, nullValue());
+ }
+
+ private ArchivedExecutionGraph getArchivedExecutionGraph() {
+ return archivedExecutionGraph;
+ }
+ }
+}