/*
 * 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.summarize.aggregation;

import org.apache.flink.types.*;
import org.junit.Assert;
import org.junit.Test;

import java.util.List;


public class SummaryAggregatorFactoryTest {

	@Test
	public void testCreate() throws Exception {
		// supported primitive types
		Assert.assertEquals(StringSummaryAggregator.class, SummaryAggregatorFactory.create(String.class).getClass());
		Assert.assertEquals(ShortSummaryAggregator.class, SummaryAggregatorFactory.create(Short.class).getClass());
		Assert.assertEquals(IntegerSummaryAggregator.class, SummaryAggregatorFactory.create(Integer.class).getClass());
		Assert.assertEquals(LongSummaryAggregator.class, SummaryAggregatorFactory.create(Long.class).getClass());
		Assert.assertEquals(FloatSummaryAggregator.class, SummaryAggregatorFactory.create(Float.class).getClass());
		Assert.assertEquals(DoubleSummaryAggregator.class, SummaryAggregatorFactory.create(Double.class).getClass());
		Assert.assertEquals(BooleanSummaryAggregator.class, SummaryAggregatorFactory.create(Boolean.class).getClass());

		// supported value types
		Assert.assertEquals(ValueSummaryAggregator.StringValueSummaryAggregator.class, SummaryAggregatorFactory.create(StringValue.class).getClass());
		Assert.assertEquals(ValueSummaryAggregator.ShortValueSummaryAggregator.class, SummaryAggregatorFactory.create(ShortValue.class).getClass());
		Assert.assertEquals(ValueSummaryAggregator.IntegerValueSummaryAggregator.class, SummaryAggregatorFactory.create(IntValue.class).getClass());
		Assert.assertEquals(ValueSummaryAggregator.LongValueSummaryAggregator.class, SummaryAggregatorFactory.create(LongValue.class).getClass());
		Assert.assertEquals(ValueSummaryAggregator.FloatValueSummaryAggregator.class, SummaryAggregatorFactory.create(FloatValue.class).getClass());
		Assert.assertEquals(ValueSummaryAggregator.DoubleValueSummaryAggregator.class, SummaryAggregatorFactory.create(DoubleValue.class).getClass());
		Assert.assertEquals(ValueSummaryAggregator.BooleanValueSummaryAggregator.class, SummaryAggregatorFactory.create(BooleanValue.class).getClass());

		// some not well supported types - these fallback to ObjectSummaryAggregator
		Assert.assertEquals(ObjectSummaryAggregator.class, SummaryAggregatorFactory.create(Object.class).getClass());
		Assert.assertEquals(ObjectSummaryAggregator.class, SummaryAggregatorFactory.create(List.class).getClass());
	}

}