/*
* Copyright 1999-2015 dangdang.com.
* <p>
* Licensed 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.
* </p>
*/
package com.dangdang.ddframe.rdb.sharding.merger.pipeline.coupling.aggregation;
import com.dangdang.ddframe.rdb.sharding.parser.result.merger.AggregationColumn;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.junit.Assert.assertThat;
public final class AggregationUnitFactoryTest {
@Test
public void assertCreateComparableAggregationUnit() {
assertThat(AggregationUnitFactory.create(AggregationColumn.AggregationType.MIN), instanceOf(ComparableAggregationUnit.class));
assertThat(AggregationUnitFactory.create(AggregationColumn.AggregationType.MAX), instanceOf(ComparableAggregationUnit.class));
}
@Test
public void assertCreateAccumulationAggregationUnit() {
assertThat(AggregationUnitFactory.create(AggregationColumn.AggregationType.SUM), instanceOf(AccumulationAggregationUnit.class));
assertThat(AggregationUnitFactory.create(AggregationColumn.AggregationType.COUNT), instanceOf(AccumulationAggregationUnit.class));
}
@Test
public void assertCreateAverageAggregationUnit() {
assertThat(AggregationUnitFactory.create(AggregationColumn.AggregationType.AVG), instanceOf(AverageAggregationUnit.class));
}
}