add testcase

src/test/java/com/alibaba/druid/bvt/stat/DruidStatServiceTest.java

@@ -0,0 +1,54 @@
+package com.alibaba.druid.bvt.stat;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.util.List;
+import java.util.Map;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.stat.DruidStatService;
+import com.alibaba.druid.support.json.JSONUtils;
+import com.alibaba.druid.util.JdbcUtils;
+
+public class DruidStatServiceTest extends TestCase {
+
+    private DruidDataSource dataSource;
+
+    protected void setUp() throws Exception {
+        dataSource = new DruidDataSource();
+
+        dataSource.setUrl("jdbc:mock:xxx");
+        dataSource.setFilters("stat");
+        dataSource.setTestOnBorrow(false);
+
+        dataSource.init();
+    }
+
+    protected void tearDown() throws Exception {
+        JdbcUtils.close(dataSource);
+    }
+
+    public void test_statService() throws Exception {
+        String sql = "select 1";
+        Connection conn = dataSource.getConnection();
+        
+        PreparedStatement stmt = conn.prepareStatement(sql);
+        ResultSet rs = stmt.executeQuery();
+        rs.next();
+        rs.close();
+        stmt.close();
+        
+        conn.close();
+        
+        String result = DruidStatService.getInstance().service("/sql.json");
+        Map<String, Object> resultMap = (Map<String, Object>) JSONUtils.parse(result);
+        
+        List<Map<String, Object>> sqlList = (List<Map<String, Object>>) resultMap.get("Content");
+        
+        Assert.assertEquals(1, sqlList.size());
+    }
+}