/*
* 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;
import com.dangdang.ddframe.rdb.sharding.merger.fixture.MergerTestUtil;
import org.junit.Test;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Arrays;
import java.util.Collections;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public final class ShardingResultSetsTest {
@Test
public void assertEmptyShardingResultSets() throws SQLException {
ShardingResultSets actual = new ShardingResultSets(Arrays.asList(mock(ResultSet.class), mock(ResultSet.class)));
assertThat(actual.getType(), is(ShardingResultSets.Type.EMPTY));
}
@Test
public void assertSingleShardingResultSets() throws SQLException {
ResultSet resultSet = MergerTestUtil.mockResult(Collections.<String>emptyList());
when(resultSet.next()).thenReturn(true, false);
ShardingResultSets actual = new ShardingResultSets(Arrays.asList(resultSet, mock(ResultSet.class)));
assertThat(actual.getType(), is(ShardingResultSets.Type.SINGLE));
assertTrue(actual.getResultSets().get(0).next());
assertFalse(actual.getResultSets().get(0).next());
}
@Test
public void assertMultipleShardingResultSets() throws SQLException {
ResultSet resultSet1 = MergerTestUtil.mockResult(Collections.<String>emptyList());
when(resultSet1.next()).thenReturn(true, false);
ResultSet resultSet2 = MergerTestUtil.mockResult(Collections.<String>emptyList());
when(resultSet2.next()).thenReturn(true, false);
ShardingResultSets actual = new ShardingResultSets(Arrays.asList(resultSet1, resultSet2));
assertThat(actual.getType(), is(ShardingResultSets.Type.MULTIPLE));
assertTrue(actual.getResultSets().get(0).next());
assertFalse(actual.getResultSets().get(0).next());
assertTrue(actual.getResultSets().get(1).next());
assertFalse(actual.getResultSets().get(1).next());
}
}