/*
 * 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.executiongraph;

import static org.apache.flink.runtime.executiongraph.ExecutionGraphTestUtils.*;
import static org.junit.Assert.*;
import static org.mockito.Mockito.mock;

import java.util.Collections;

import org.apache.flink.api.common.ExecutionConfig;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.akka.AkkaUtils;
import org.apache.flink.runtime.executiongraph.restart.NoRestartStrategy;
import org.apache.flink.runtime.instance.SimpleSlot;
import org.apache.flink.runtime.jobgraph.JobVertex;
import org.apache.flink.api.common.JobID;
import org.apache.flink.runtime.jobgraph.JobStatus;
import org.apache.flink.runtime.jobgraph.JobVertexID;
import org.apache.flink.runtime.jobgraph.tasks.AbstractInvokable;
import org.apache.flink.runtime.jobmanager.slots.ActorTaskManagerGateway;
import org.apache.flink.runtime.testingUtils.TestingUtils;
import org.apache.flink.util.SerializedValue;
import org.junit.Test;

public class ExecutionStateProgressTest {

	@Test
	public void testAccumulatedStateFinished() {
		try {
			final JobID jid = new JobID();
			final JobVertexID vid = new JobVertexID();

			JobVertex ajv = new JobVertex("TestVertex", vid);
			ajv.setParallelism(3);
			ajv.setInvokableClass(mock(AbstractInvokable.class).getClass());

			ExecutionGraph graph = new ExecutionGraph(
				TestingUtils.defaultExecutionContext(),
				TestingUtils.defaultExecutionContext(),
				jid, 
				"test job", 
				new Configuration(),
				new SerializedValue<>(new ExecutionConfig()),
				AkkaUtils.getDefaultTimeout(),
				new NoRestartStrategy());
			graph.attachJobGraph(Collections.singletonList(ajv));

			setGraphStatus(graph, JobStatus.RUNNING);

			ExecutionJobVertex ejv = graph.getJobVertex(vid);

			// mock resources and mock taskmanager
			for (ExecutionVertex ee : ejv.getTaskVertices()) {
				SimpleSlot slot = getInstance(
					new ActorTaskManagerGateway(
						new SimpleActorGateway(
							TestingUtils.defaultExecutionContext()))
				).allocateSimpleSlot(jid);
				ee.deployToSlot(slot);
			}

			// finish all
			for (ExecutionVertex ee : ejv.getTaskVertices()) {
				ee.executionFinished();
			}

			assertTrue(ejv.isInFinalState());
			assertEquals(JobStatus.FINISHED, graph.getState());
		}
		catch (Exception e) {
			e.printStackTrace();
			fail(e.getMessage());
		}
	}
}