WallFilter add tenant support

src/test/java/com/alibaba/druid/bvt/filter/wall/TenantUpdateTest.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * 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.
+ */
+package com.alibaba.druid.bvt.filter.wall;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.util.JdbcConstants;
+import com.alibaba.druid.wall.WallCheckResult;
+import com.alibaba.druid.wall.WallConfig;
+import com.alibaba.druid.wall.WallProvider;
+import com.alibaba.druid.wall.spi.MySqlWallProvider;
+
+public class TenantUpdateTest extends TestCase {
+	private String sql = "UPDATE T_USER SET FNAME = ? WHERE FID = ?";
+
+	private WallConfig config = new WallConfig();
+
+	protected void setUp() throws Exception {
+		config.setDeleteAllow(false);
+		config.setTenantTablePattern("*");
+		config.setTenantColumn("tenant");
+	}
+
+	public void testMySql() throws Exception {
+		WallProvider.setTenantValue(123);
+		MySqlWallProvider provider = new MySqlWallProvider(config);
+		WallCheckResult checkResult = provider.check(sql);
+		Assert.assertEquals(0, checkResult.getViolations().size());
+
+		String resultSql = SQLUtils.toSQLString(checkResult.getStatementList(),
+				JdbcConstants.MYSQL);
+		Assert.assertEquals("UPDATE T_USER" + //
+				"\nSET FNAME = ?" + //
+				"\nWHERE T_USER.tenant = 123" + //
+				"\n\tAND FID = ?", resultSql);
+	}
+}