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#!/usr/bin/python
'''Test cases for QtSql database creation, destruction and queries'''
import sys
import unittest
from PySide import QtSql
from PySide.QtCore import *
class SqlDatabaseCreationDestructionAndQueries(unittest.TestCase):
'''Test cases for QtSql database creation, destruction and queries'''
def setUp(self):
#Acquire resources
self.assertFalse(not QtSql.QSqlDatabase.drivers(), "installed Qt has no DB drivers")
self.assertTrue("QSQLITE" in QtSql.QSqlDatabase.drivers(), "\"QSQLITE\" driver not available in this Qt version")
self.db = QtSql.QSqlDatabase.addDatabase("QSQLITE")
self.db.setDatabaseName(":memory:")
self.assertTrue(self.db.open())
def tearDown(self):
#Release resources
self.db.close()
QtSql.QSqlDatabase.removeDatabase(":memory:")
del self.db
def testTableCreationAndDestruction(self):
#Test table creation and destruction
query = QtSql.QSqlQuery()
query.exec_("CREATE TABLE dummy(id int primary key, dummyfield varchar(20))")
query.exec_("DROP TABLE dummy")
query.clear()
def testTableInsertionAndRetrieval(self):
#Test table creation, insertion and retrieval
query = QtSql.QSqlQuery()
query.exec_("CREATE TABLE person(id int primary key, "
"firstname varchar(20), lastname varchar(20))")
query.exec_("INSERT INTO person VALUES(101, 'George', 'Harrison')")
query.prepare("INSERT INTO person (id, firstname, lastname) "
"VALUES (:id, :firstname, :lastname)")
query.bindValue(":id", 102)
query.bindValue(":firstname", "John")
query.bindValue(":lastname", "Lennon")
query.exec_()
lastname = ''
query.exec_("SELECT lastname FROM person where id=101")
self.assertTrue(query.isActive())
query.next()
lastname = query.value(0)
self.assertEqual(lastname, 'Harrison')
if __name__ == '__main__':
unittest.main()
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