[TD-3676]<test>: add test case

tests/pytest/fulltest.sh

@@ -258,6 +258,8 @@ python3 test.py -f subscribe/singlemeter.py
 #python3 test.py -f subscribe/stability.py  
 python3 test.py -f subscribe/supertable.py
 
+# topic
+python3 ./test.py -f topic/topicQuery.py
 
 #======================p3-end===============
 #======================p4-start===============

tests/pytest/topic/topicQuery.py

@@ -0,0 +1,82 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+from util.log import tdLog
+from util.cases import tdCases
+from util.sql import tdSql
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+
+        self.ts = 1538548685000
+
+    def run(self):
+        tdSql.prepare()
+
+        # test case for https://jira.taosdata.com:18080/browse/TD-3679
+        print("==============step1")
+        tdSql.execute(
+            "create topic tq_test partitions 10")
+        tdSql.execute(
+            "insert into tq_test.p1(off, ts, content) values(0, %d, 'aaaa')" % self.ts)
+        tdSql.execute(
+            "insert into tq_test.p1(off, ts, content) values(1, %d, 'aaaa')" % (self.ts + 1))
+        tdSql.execute(
+            "insert into tq_test.p1(off, ts, content) values(2, %d, 'aaaa')" % (self.ts + 2))
+        tdSql.execute(
+            "insert into tq_test.p1(off, ts, content) values(3, %d, 'aaaa')" % (self.ts + 3))
+
+        print("==============step2")
+
+        tdSql.query("select * from tq_test.p1")
+        tdSql.checkRows(4)
+
+        tdSql.query("select * from tq_test.p1 where ts >= %d" % self.ts)
+        tdSql.checkRows(4)
+
+        tdSql.query("select * from tq_test.p1 where ts > %d" % self.ts)
+        tdSql.checkRows(3)
+
+        tdSql.query("select * from tq_test.p1 where ts = %d" % self.ts)
+        tdSql.checkRows(1)
+
+
+        tdSql.execute("use db")
+        tdSql.execute("create table test(ts timestamp, value int)")
+        tdSql.execute("insert into test values(%d, 1)" % self.ts)
+        tdSql.execute("insert into test values(%d, 1)" % (self.ts + 1))
+        tdSql.execute("insert into test values(%d, 1)" % (self.ts + 2))
+        tdSql.execute("insert into test values(%d, 1)" % (self.ts + 3))
+
+        tdSql.query("select * from test")
+        tdSql.checkRows(4)
+
+        tdSql.query("select * from test where ts >= %d" % self.ts)
+        tdSql.checkRows(4)
+
+        tdSql.query("select * from test where ts > %d" % self.ts)
+        tdSql.checkRows(3)
+
+        tdSql.query("select * from test where ts = %d" % self.ts)
+        tdSql.checkRows(1)
+
+        
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())