add testcase & improve LogFilter support multi-datasource

src/test/java/com/alibaba/druid/bvt/pool/LastActiveTest_0.java

@@ -0,0 +1,73 @@
+package com.alibaba.druid.bvt.pool;
+
+import java.lang.reflect.Field;
+import java.sql.PreparedStatement;
+
+import org.junit.Assert;
+
+import junit.framework.TestCase;
+
+import com.alibaba.druid.pool.DruidConnectionHolder;
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.pool.DruidPooledConnection;
+
+/**
+ * 这个场景测试initialSize > maxActive
+ * 
+ * @author wenshao<szujobs@hotmail.com>
+ */
+public class LastActiveTest_0 extends TestCase {
+
+    private DruidDataSource dataSource;
+    private Field           field;
+
+    protected void setUp() throws Exception {
+        dataSource = new DruidDataSource();
+        dataSource.setUrl("jdbc:mock:xxx");
+        dataSource.setTestOnBorrow(false);
+        dataSource.setFilters("stat");
+        dataSource.setMinIdle(0);
+        dataSource.setMaxActive(100);
+        dataSource.init();
+
+        field = DruidPooledConnection.class.getDeclaredField("holder");
+        field.setAccessible(true);
+    }
+
+    protected void tearDown() throws Exception {
+        dataSource.close();
+    }
+
+    public void test_0() throws Exception {
+
+        long t0, t1;
+        {
+            DruidPooledConnection conn = (DruidPooledConnection) dataSource.getConnection();
+            t0 = getLastActiveTime(conn);
+            PreparedStatement stmt = conn.prepareStatement("select 1");
+            Thread.sleep(2);
+            stmt.execute();
+
+            stmt.close();
+            conn.close();
+        }
+        Thread.sleep(1000);
+        {
+            DruidPooledConnection conn = (DruidPooledConnection) dataSource.getConnection();
+            t1 = getLastActiveTime(conn);
+            PreparedStatement stmt = conn.prepareStatement("select 1");
+            Thread.sleep(2);
+            stmt.execute();
+            
+            stmt.close();
+            conn.close();
+        }
+        Assert.assertNotEquals(t0, t1);
+    }
+
+    private long getLastActiveTime(DruidPooledConnection conn) throws IllegalAccessException {
+        DruidConnectionHolder holder = (DruidConnectionHolder) field.get(conn);
+        return holder.getLastActiveTimeMillis();
+    }
+
+}

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlSelectTest_7.java

@@ -17,7 +17,7 @@ package com.alibaba.druid.bvt.sql.mysql;
 
 import java.util.List;
 
-import junit.framework.Assert;
+import org.junit.Assert;
 
 import com.alibaba.druid.sql.MysqlTest;
 import com.alibaba.druid.sql.ast.SQLStatement;

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlUpdateTest_3.java

@@ -0,0 +1,68 @@
+/*
+ * 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.sql.mysql;
+
+import java.util.List;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+import com.alibaba.druid.stat.TableStat;
+import com.alibaba.druid.stat.TableStat.Column;
+
+public class MySqlUpdateTest_3 extends MysqlTest {
+
+    public void test_0() throws Exception {
+        String sql = "update scheme.table set col_1 = 1, col2 = '2' " //
+                     + "where col_3 = 3 and (length(col_4) > 4 or col_5 <> '5')";
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement stmt = statementList.get(0);
+        print(statementList);
+
+        Assert.assertEquals(1, statementList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        stmt.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(1, visitor.getTables().size());
+        Assert.assertEquals(5, visitor.getColumns().size());
+        Assert.assertEquals(1, visitor.getConditions().size());
+
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("scheme.table")));
+
+        Assert.assertTrue(visitor.getColumns().contains(new Column("scheme.table", "col_1")));
+        Assert.assertTrue(visitor.getColumns().contains(new Column("scheme.table", "col2")));
+
+        String output = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("UPDATE scheme.table" //
+                            + "\nSET col_1 = 1, col2 = '2'"//
+                            + "\nWHERE col_3 = 3" //
+                            + "\n\tAND (length(col_4) > 4" //
+                            + "\n\t\tOR col_5 <> '5')", //
+                            output);
+    }
+}