DruidDataSource add initVariable & initGlobalVariable support.

src/test/java/com/alibaba/druid/test/RaspberryPiMySqlTest.java

@@ -1,7 +1,43 @@
 package com.alibaba.druid.test;
 
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.pool.DruidPooledConnection;
+import com.alibaba.druid.util.JdbcUtils;
+import junit.framework.TestCase;
+import org.junit.Assert;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.Statement;
+
 /**
  * Created by wenshao on 10/12/2016.
  */
-public class RaspberryPiMySqlTest {
+public class RaspberryPiMySqlTest extends TestCase {
+    private DruidDataSource dataSource;
+
+    protected void setUp() throws Exception {
+        dataSource = new DruidDataSource();
+        dataSource.setUrl("jdbc:mysql://raspberrypi_mysql:3306/druid_test_db?allowMultiQueries=true");
+        dataSource.setUsername("druid_test");
+        dataSource.setPassword("druid_test");
+        dataSource.setValidationQuery("SELECT 1");
+        dataSource.setTestOnBorrow(true);
+        dataSource.setTestWhileIdle(true);
+        dataSource.setInitVariants(true);
+        dataSource.setInitGlobalVariants(true);
+    }
+
+    protected void tearDown() throws Exception {
+        dataSource.close();
+    }
+
+    public void test_mysql() throws Exception {
+        DruidPooledConnection connection = dataSource.getConnection();
+
+        System.out.println("variables : " + connection.getVariables());
+        System.out.println("gloabl variables : " + connection.getGloablVariables());
+
+        connection.close();
+    }
 }