/*
 * 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.java.io;

import org.apache.flink.api.common.io.InputFormat;
import org.apache.flink.api.common.typeinfo.TypeInformation;
import org.apache.flink.api.java.DataSet;
import org.apache.flink.api.java.ExecutionEnvironment;
import org.apache.flink.api.java.typeutils.PojoTypeInfo;
import org.apache.flink.api.java.typeutils.TypeExtractor;
import org.apache.flink.core.fs.Path;

import org.junit.Assert;
import org.junit.Test;

/**
 * Tests for the type extraction of the {@link AvroInputFormat}.
 */
public class AvroInputFormatTypeExtractionTest {

	@Test
	public void testTypeExtraction() {
		try {
			InputFormat<MyAvroType, ?> format = new AvroInputFormat<MyAvroType>(new Path("file:///ignore/this/file"), MyAvroType.class);

			TypeInformation<?> typeInfoDirect = TypeExtractor.getInputFormatTypes(format);

			ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
			DataSet<MyAvroType> input = env.createInput(format);
			TypeInformation<?> typeInfoDataSet = input.getType();

			Assert.assertTrue(typeInfoDirect instanceof PojoTypeInfo);
			Assert.assertTrue(typeInfoDataSet instanceof PojoTypeInfo);

			Assert.assertEquals(MyAvroType.class, typeInfoDirect.getTypeClass());
			Assert.assertEquals(MyAvroType.class, typeInfoDataSet.getTypeClass());
		} catch (Exception e) {
			e.printStackTrace();
			Assert.fail(e.getMessage());
		}
	}

	/**
	 * Test type.
	 */
	public static final class MyAvroType {

		public String theString;

		public MyAvroType recursive;

		private double aDouble;

		public double getaDouble() {
			return aDouble;
		}

		public void setaDouble(double aDouble) {
			this.aDouble = aDouble;
		}

		public void setTheString(String theString) {
			this.theString = theString;
		}

		public String getTheString() {
			return theString;
		}
	}
}
