flink-core/src/test/java/org/apache/flink/api/common/io/RichOutputFormatTest.java

/*
 * 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.api.common.io;

import java.util.HashMap;
import java.util.concurrent.Future;

import org.apache.flink.api.common.ExecutionConfig;
import org.apache.flink.api.common.TaskInfo;
import org.apache.flink.api.common.accumulators.AbstractAccumulatorRegistry;
import org.apache.flink.api.common.functions.util.RuntimeUDFContext;
import org.apache.flink.core.fs.Path;
import org.apache.flink.metrics.groups.UnregisteredMetricsGroup;
import org.apache.flink.types.Value;

import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.powermock.api.mockito.PowerMockito.mock;

/**
 * Tests runtime context access from inside an RichOutputFormat class
 */
public class RichOutputFormatTest {

	@Test
	public void testCheckRuntimeContextAccess() {
		final SerializedOutputFormat<Value> inputFormat = new SerializedOutputFormat<Value>();
		final TaskInfo taskInfo = new TaskInfo("test name", 3, 1, 3, 0);
		
		inputFormat.setRuntimeContext(new RuntimeUDFContext(
				taskInfo, getClass().getClassLoader(), new ExecutionConfig(),
				new HashMap<String, Future<Path>>(),
				mock(AbstractAccumulatorRegistry.class),
				new UnregisteredMetricsGroup()));

		assertEquals(inputFormat.getRuntimeContext().getIndexOfThisSubtask(), 1);
		assertEquals(inputFormat.getRuntimeContext().getNumberOfParallelSubtasks(),3);
	}

}