RoundRobinSlaveLoadBalanceStrategyTest.java

/*
 * 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.api.strategy.slave;

import com.dangdang.ddframe.rdb.sharding.fixture.TestDataSource;
import org.junit.Test;

import javax.sql.DataSource;
import java.util.Arrays;

import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;

public final class RoundRobinSlaveLoadBalanceStrategyTest {
    
    private RoundRobinSlaveLoadBalanceStrategy roundRobinSlaveLoadBalanceStrategy = new RoundRobinSlaveLoadBalanceStrategy();
    
    @Test
    public void assertGetDataSource() {
        DataSource slaveDataSource1 = new TestDataSource("test_ds_slave_1");
        DataSource slaveDataSource2 = new TestDataSource("test_ds_slave_2");
        assertThat(roundRobinSlaveLoadBalanceStrategy.getDataSource("ds", Arrays.asList(slaveDataSource1, slaveDataSource2)), is(slaveDataSource1));
        assertThat(roundRobinSlaveLoadBalanceStrategy.getDataSource("ds", Arrays.asList(slaveDataSource1, slaveDataSource2)), is(slaveDataSource2));
        assertThat(roundRobinSlaveLoadBalanceStrategy.getDataSource("ds", Arrays.asList(slaveDataSource1, slaveDataSource2)), is(slaveDataSource1));
    }
}