/*
 * Copyright 2016-2018 shardingsphere.io.
 * <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 io.shardingsphere.dbtest.engine.dcl;

import io.shardingsphere.dbtest.cases.assertion.dcl.DCLIntegrateTestCaseAssertion;
import io.shardingsphere.dbtest.engine.SingleIntegrateTest;
import io.shardingsphere.dbtest.env.DatabaseTypeEnvironment;
import io.shardingsphere.dbtest.env.EnvironmentPath;
import io.shardingsphere.dbtest.env.dataset.DataSetEnvironmentManager;
import io.shardingsphere.test.sql.SQLCaseType;
import org.junit.Before;

import javax.xml.bind.JAXBException;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.text.ParseException;

public abstract class BaseDCLIntegrateTest extends SingleIntegrateTest {
    
    private final DCLIntegrateTestCaseAssertion assertion;
    
    public BaseDCLIntegrateTest(final String sqlCaseId, final String path, final DCLIntegrateTestCaseAssertion assertion, final String shardingRuleType,
                                final DatabaseTypeEnvironment databaseTypeEnvironment, final SQLCaseType caseType) throws IOException, JAXBException, SQLException, ParseException {
        super(sqlCaseId, path, assertion, shardingRuleType, databaseTypeEnvironment, caseType);
        this.assertion = assertion;
    }
    
    @Before
    public void insertData() throws SQLException, ParseException, IOException, JAXBException {
        if (getDatabaseTypeEnvironment().isEnabled()) {
            new DataSetEnvironmentManager(EnvironmentPath.getDataInitializeResourceFile(getShardingRuleType()), getDataSourceMap()).initialize();
        }
    }
    
    protected void dropUserIfExisted(final Connection connection) {
        String dropSQL = "drop " + assertion.getType() + " " + assertion.getUser();
        if (null == assertion.getHost()) {
            dropSQL = dropSQL + ";";
        } else {
            dropSQL = dropSQL + "@" + assertion.getHost() + ";";
        }
        try (Statement statement = connection.createStatement()) {
            statement.execute(dropSQL);
            // CHECKSTYLE: OFF
        } catch (final SQLException ignored) {
            // CHECKSTYLE: ON
        }
    }
}

@@ -659,16 +659,55 @@
 e.dcl;%0A%0A
+import com.google.common.base.Strings;%0A
 import i
@@ -2296,24 +2296,141 @@
 nnection) %7B%0A
+        String name = !Strings.isNullOrEmpty(assertion.getNewName()) ? assertion.getUser() : assertion.getNewName();%0A
         Stri
@@ -2484,49 +2484,49 @@
 %22 + 
-assertion.getUser();%0A        if (null == 
+name;%0A        if (!Strings.isNullOrEmpty(
 asse
@@ -2537,24 +2537,25 @@
 n.getHost())
+)
  %7B%0A         

add assertion.getNewName().