DataSourceAdapterTest.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.jdbc.adapter;

import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.List;
import java.util.logging.Logger;

import com.dangdang.ddframe.rdb.sharding.jdbc.ShardingConnection;
import org.junit.Before;
import org.junit.Test;

import com.dangdang.ddframe.rdb.integrate.db.AbstractShardingDataBasesOnlyDBUnitTest;
import com.dangdang.ddframe.rdb.sharding.jdbc.ShardingDataSource;
import com.dangdang.ddframe.rdb.sharding.exception.ShardingJdbcException;

public final class DataSourceAdapterTest extends AbstractShardingDataBasesOnlyDBUnitTest {
    
    private ShardingDataSource shardingDataSource;
    
    @Before
    public void init() throws SQLException {
        shardingDataSource = getShardingDataSource();
    }
    
    @Test
    public void assertUnwrapSuccess() throws SQLException {
        assertThat(shardingDataSource.unwrap(Object.class), is((Object) shardingDataSource));
    }
    
    @Test(expected = SQLException.class)
    public void assertUnwrapFailure() throws SQLException {
        shardingDataSource.unwrap(String.class);
    }
    
    @Test
    public void assertIsWrapperFor() throws SQLException {
        assertTrue(shardingDataSource.isWrapperFor(Object.class));
    }
    
    @Test
    public void assertIsNotWrapperFor() throws SQLException {
        assertFalse(shardingDataSource.isWrapperFor(String.class));
    }
    
    @Test
    public void assertRecordMethodInvocationSuccess() throws SQLException {
        List<?> list = mock(List.class);
        when(list.isEmpty()).thenReturn(true);
        shardingDataSource.recordMethodInvocation(List.class, "isEmpty", new Class[] {}, new Object[] {});
        shardingDataSource.replayMethodsInvocation(list);
        verify(list).isEmpty();
    }
    
    @Test(expected = ShardingJdbcException.class)
    public void assertRecordMethodInvocationFailure() throws SQLException {
        shardingDataSource.recordMethodInvocation(String.class, "none", new Class[] {}, new Object[] {});
    }
    
    @Test
    public void assertSetLogWriter() throws SQLException {
        assertThat(shardingDataSource.getLogWriter(), instanceOf(PrintWriter.class));
        shardingDataSource.setLogWriter(null);
        assertNull(shardingDataSource.getLogWriter());
    }
    
    @Test
    public void assertGetParentLogger() throws SQLException {
        assertThat(shardingDataSource.getParentLogger().getName(), is(Logger.GLOBAL_LOGGER_NAME));
    }
    
    
    @Test
    public void assertGetConnectionWithUsername() throws SQLException {
        assertThat(shardingDataSource.getConnection("username", "password"), instanceOf(ShardingConnection.class));
    }
}