DruidDataSource支持Filter

git-svn-id: http://code.alibabatech.com/svn/druid/trunk@49 b9813039-fb51-4c41-a8b9-e21c2acb5095

src/test/java/com/alibaba/druid/bvt/pool/DruidDataSourceFilterTest.java

@@ -1,9 +1,13 @@
 package com.alibaba.druid.bvt.pool;
 
+import java.sql.Connection;
+
 import junit.framework.Assert;
 import junit.framework.TestCase;
 
 import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.stat.JdbcConnectionStat;
+import com.alibaba.druid.stat.JdbcStatManager;
 
 public class DruidDataSourceFilterTest extends TestCase {
 
@@ -26,4 +30,22 @@ public class DruidDataSourceFilterTest extends TestCase {
 
         Assert.assertEquals(2, dataSource.getFilters().size());
     }
+    
+    public void test_filter_3() throws Exception {
+        DruidDataSource dataSource = new DruidDataSource();
+        dataSource.setUrl("jdbc:mock:");
+
+        Assert.assertEquals(0, dataSource.getFilters().size());
+
+        dataSource.setFilters("stat");
+
+        JdbcStatManager.getInstance().reset();
+        
+        Assert.assertEquals(0, JdbcStatManager.getInstance().getConnectionstat().getConnectCount());
+        Assert.assertEquals(1, dataSource.getFilters().size());
+        
+        Connection conn = dataSource.getConnection();
+        
+        Assert.assertEquals(1, JdbcStatManager.getInstance().getConnectionstat().getConnectCount());
+    }
 }