From f35c366cae0e90f1e014aaa6af35171c4d0dae3a Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@hotmail.com>
Date: Sat, 11 Aug 2012 15:14:40 +0800
Subject: [PATCH] add testcase for EncodingConvertFilter

---
 .../bvt/filter/EncodingConvertFilterTest.java | 118 ++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 src/test/java/com/alibaba/druid/bvt/filter/EncodingConvertFilterTest.java

diff --git a/src/test/java/com/alibaba/druid/bvt/filter/EncodingConvertFilterTest.java b/src/test/java/com/alibaba/druid/bvt/filter/EncodingConvertFilterTest.java
new file mode 100644
index 0000000000..af435a2366
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/filter/EncodingConvertFilterTest.java
@@ -0,0 +1,118 @@
+package com.alibaba.druid.bvt.filter;
+
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.filter.encoding.EncodingConvertFilter;
+import com.alibaba.druid.mock.MockDriver;
+import com.alibaba.druid.mock.MockPreparedStatement;
+import com.alibaba.druid.mock.MockResultSet;
+import com.alibaba.druid.mock.MockStatementBase;
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.pool.DruidPooledConnection;
+import com.alibaba.druid.proxy.jdbc.ConnectionProxy;
+import com.alibaba.druid.util.JdbcUtils;
+
+public class EncodingConvertFilterTest extends TestCase {
+
+    private DruidDataSource dataSource;
+
+    private static String   CLIENT_ENCODING = "UTF-8";
+    private static String   SERVER_ENCODING = "ISO-8859-1";
+
+    private static String   text            = "中华人民共和国";
+
+    protected void setUp() throws Exception {
+
+        dataSource = new DruidDataSource();
+
+        dataSource.setUrl("jdbc:mock:xxx");
+        dataSource.setFilters("encoding");
+
+        dataSource.setDriver(new MockDriver() {
+            
+            public ResultSet createResultSet(MockPreparedStatement stmt) {
+                return new MyResultSet(stmt);
+            }
+
+            public ResultSet executeQuery(MockStatementBase stmt, String sql) throws SQLException {
+                return new MyResultSet(stmt);
+            }
+        });
+
+        dataSource.getConnectProperties().put("clientEncoding", CLIENT_ENCODING);
+        dataSource.getConnectProperties().put("serverEncoding", SERVER_ENCODING);
+
+        dataSource.init();
+    }
+
+    protected void tearDown() throws Exception {
+        JdbcUtils.close(dataSource);
+    }
+
+    public void test_stat() throws Exception {
+
+        Assert.assertTrue(dataSource.isInited());
+        
+        EncodingConvertFilter filter = (EncodingConvertFilter) dataSource.getProxyFilters().get(0);
+
+        DruidPooledConnection conn = dataSource.getConnection();
+
+        final String PARAM_VALUE = "中国";
+        PreparedStatement stmt = conn.prepareStatement("select ?");
+        stmt.setString(1, PARAM_VALUE);
+
+        MockPreparedStatement raw = stmt.unwrap(MockPreparedStatement.class);
+
+        String param1 = (String) raw.getParameters().get(0);
+
+        Assert.assertEquals(PARAM_VALUE, new String(param1.getBytes(SERVER_ENCODING), CLIENT_ENCODING));
+        Assert.assertFalse(param1.equals(PARAM_VALUE));
+
+        ResultSet rs = stmt.executeQuery();
+        
+        MyResultSet rawRs = rs.unwrap(MyResultSet.class);
+        rawRs.setValue(filter.encode((ConnectionProxy) conn.getConnection(), text));
+        
+        rs.next();
+
+         Assert.assertEquals(text, rs.getString(1));
+
+        rs.close();
+        stmt.close();
+
+        conn.close();
+
+    }
+
+    public static class MyResultSet extends MockResultSet {
+
+        private String value;
+
+        public MyResultSet(Statement statement){
+            super(statement);
+        }
+
+        public String getObject(int index) throws SQLException {
+            return getString(index);
+        }
+
+        public String getString(int columnIndex) throws SQLException {
+            return value;
+        }
+
+        public String getValue() {
+            return value;
+        }
+
+        public void setValue(String value) {
+            this.value = value;
+        }
+
+    }
+}