本文整理汇总了Python中msg_db_util.MSGDBUtil.columns方法的典型用法代码示例。如果您正苦于以下问题：Python MSGDBUtil.columns方法的具体用法？Python MSGDBUtil.columns怎么用？Python MSGDBUtil.columns使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类msg_db_util.MSGDBUtil的用法示例。
在下文中一共展示了MSGDBUtil.columns方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: MSGDBUtilTester
# 需要导入模块: from msg_db_util import MSGDBUtil [as 别名]
# 或者: from msg_db_util.MSGDBUtil import columns [as 别名]
class MSGDBUtilTester(unittest.TestCase):
"""
Unit tests for MECO DB Utils.
"""
def setUp(self):
self.i = MECODBInserter()
# Connect to the testing database.
self.connector = MSGDBConnector(testing = True)
self.conn = self.connector.connectDB()
self.lastSeqVal = None
# Does this work having the dictCur be in another class?
self.dictCur = self.connector.dictCur
self.cursor = self.conn.cursor()
self.deleter = MECODBDeleter()
self.tableName = 'MeterData'
self.columnName = 'meter_data_id'
self.configer = MSGConfiger()
self.logger = MSGLogger(__name__, 'debug')
self.dbUtil = MSGDBUtil()
def testMECODBUtilCanBeInited(self):
self.assertIsNotNone(self.dbUtil)
def testLastSequenceNumberIsCorrect(self):
"""
Test if last sequence ID value is generated correctly. Do this by
inserting and deleting a DB record.
"""
# Insert some values.
sampleDict = {'MeterName': '100001', 'UtilDeviceID': '100001',
'MacID': '00:00:00:00:00:00:00:00'}
self.i.insertData(self.conn, self.tableName, sampleDict)
self.lastSeqVal = self.dbUtil.getLastSequenceID(self.conn,
self.tableName,
self.columnName)
print "lastSeqVal = %s" % self.lastSeqVal
sql = """SELECT * FROM "%s" WHERE %s = %s""" % (
self.tableName, self.columnName, self.lastSeqVal)
dictCur = self.connector.dictCur
self.dbUtil.executeSQL(dictCur, sql)
row = dictCur.fetchone()
meterDataID = row[self.columnName]
self.assertEqual(self.lastSeqVal, meterDataID)
def testGetDBName(self):
dbName = self.dbUtil.getDBName(self.cursor)[0]
self.logger.log("DB name is %s" % dbName, 'info')
self.assertEqual(dbName, "test_meco",
"Testing DB name should be set correctly.")
def testEraseTestingDatabase(self):
"""
Test that calls to eraseTestMeco() work correctly.
"""
dbName = self.dbUtil.getDBName(self.cursor)[0]
self.logger.log("DB name is %s" % dbName, 'info')
self.assertEqual(dbName, "test_meco",
"Testing DB name should be set correctly.")
self.dbUtil.eraseTestMeco()
# Check all of the tables for the presence of records.
for table in self.configer.insertTables:
sql = """select count(*) from "%s";""" % table
self.dbUtil.executeSQL(self.dictCur, sql)
row = self.dictCur.fetchone()
self.assertEqual(row[0], 0,
"No records should be present in the %s table."
% table)
def testColumns(self):
"""
Test the ability to retrieve the column names from a database.
"""
print self.dbUtil.columns(self.cursor, 'Event')
def tearDown(self):
"""
Delete the record that was inserted.
"""
if self.lastSeqVal != None:
self.deleter.deleteRecord(self.conn, self.tableName,
self.columnName, self.lastSeqVal)
self.connector.closeDB(self.conn)