add test case to cases.task by charles

tests/parallel_test/cases.task

@@ -154,6 +154,7 @@
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/user_control.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/user_manage.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/user_privilege.py
+,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/user_privilege_multi_users.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/fsync.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/multilevel.py
 ,,n,system-test,python3 ./test.py -f 0-others/compatibility.py

tests/system-test/0-others/user_privilege_multi_users.py

@@ -0,0 +1,126 @@
+from itertools import product
+import taos
+import random
+from taos.tmq import *
+from util.cases import *
+from util.common import *
+from util.log import *
+from util.sql import *
+from util.sqlset import *
+
+
+class TDTestCase:
+    def init(self, conn, logSql, replicaVar=1):
+        self.replicaVar = int(replicaVar)
+        tdLog.debug("start to execute %s" % __file__)
+        # init the tdsql
+        tdSql.init(conn.cursor())
+        self.setsql = TDSetSql()
+        # user info
+        self.userNum = 100
+        self.basic_username = "user"
+        self.password = "pwd"
+
+        # db info
+        self.dbname = "user_privilege_multi_users"
+        self.stbname = 'stb'
+        self.ctbname_num = 100
+        self.column_dict = {
+            'ts': 'timestamp',
+            'col1': 'float',
+            'col2': 'int',
+        }
+        self.tag_dict = {
+            'ctbname': 'binary(10)'
+        }
+        
+        self.privilege_list = []
+
+    def prepare_data(self):
+        """Create the db and data for test
+        """
+        # create datebase
+        tdSql.execute(f"create database {self.dbname}")
+        tdLog.debug("sql:" + f"create database {self.dbname}")
+        tdSql.execute(f"use {self.dbname}")
+        tdLog.debug("sql:" + f"use {self.dbname}")
+
+        # create super table
+        tdSql.execute(self.setsql.set_create_stable_sql(self.stbname, self.column_dict, self.tag_dict))
+        tdLog.debug("Create stable {} successfully".format(self.stbname))
+        for ctbIndex in range(self.ctbname_num):
+            ctname = f"ctb{ctbIndex}"
+            tdSql.execute(f"create table {ctname} using {self.stbname} tags('{ctname}')")
+            tdLog.debug("sql:" + f"create table {ctname} using {self.stbname} tags('{ctname}')")
+
+    def create_multiusers(self):
+        """Create the user for test
+        """
+        for userIndex in range(self.userNum):
+            username = f"{self.basic_username}{userIndex}"
+            tdSql.execute(f'create user {username} pass "{self.password}"')
+            tdLog.debug("sql:" + f'create user {username} pass "{self.password}"')
+
+    def grant_privilege(self):
+        """Add the privilege for the users
+        """
+        try:
+            for userIndex in range(self.userNum):
+                username = f"{self.basic_username}{userIndex}"
+                privilege = random.choice(["read", "write", "all"])
+                condition = f"ctbname='ctb{userIndex}'"
+                self.privilege_list.append({
+                    "username": username,
+                    "privilege": privilege,
+                    "condition": condition
+                })
+                tdSql.execute(f'grant {privilege} on {self.dbname}.{self.stbname} with {condition} to {username}')
+                tdLog.debug("sql:" + f'grant {privilege} on {self.dbname}.{self.stbname} with {condition} to {username}')
+        except Exception as ex:
+            tdLog.exit(ex)
+
+    def remove_privilege(self):
+        """Remove the privilege for the users
+        """
+        try:
+            for item in self.privilege_list:
+                username = item["username"]
+                privilege = item["privilege"]
+                condition = item["condition"]
+                tdSql.execute(f'revoke {privilege} on {self.dbname}.{self.stbname} with {condition} from {username}')
+                tdLog.debug("sql:" + f'revoke {privilege} on {self.dbname}.{self.stbname} with {condition} from {username}')
+        except Exception as ex:
+            tdLog.exit(ex)
+
+    def run(self):
+        """
+        Check the information from information_schema.ins_user_privileges
+        """
+        self.create_multiusers()
+        self.prepare_data()
+        # grant privilege to users
+        self.grant_privilege()
+        # check information_schema.ins_user_privileges
+        tdSql.query("select * from information_schema.ins_user_privileges;")
+        tdLog.debug("Current information_schema.ins_user_privileges values: {}".format(tdSql.queryResult))
+        if len(tdSql.queryResult) >= self.userNum:
+            tdLog.debug("case passed")
+        else:
+            tdLog.exit("The privilege number in information_schema.ins_user_privileges is incorrect")
+
+    def stop(self):
+        # remove the privilege
+        self.remove_privilege()
+        # clear env
+        tdSql.execute(f"drop database {self.dbname}")
+        # remove the users
+        for userIndex in range(self.userNum):
+            username = f"{self.basic_username}{userIndex}"
+            tdSql.execute(f'drop user {username}')  
+        # close the connection
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())