class TransactionalBankWithNoTransactionalArguments(object):
"""This sample application can be used to demonstrate the value of atomic operations. The transfer operation
must be wrapped in a transaction in order to perform correctly. Otherwise, any errors in the deposit will
allow the from-account to leak assets."""
def __init__(self, factory):
self.logger = logging.getLogger("springpythontest.testSupportClasses.TransactionalBankWithNoTransactionalArguments")
self.dt = DatabaseTemplate(factory)
def open(self, account_num):
self.logger.debug("Opening account %s with $0 balance." % account_num)
self.dt.execute("INSERT INTO account (account_num, balance) VALUES (?,?)", (account_num, 0))
def deposit(self, amount, account_num):
self.logger.debug("Depositing $%s into %s" % (amount, account_num))
rows = self.dt.execute("UPDATE account SET balance = balance + ? WHERE account_num = ?", (amount, account_num))
if rows == 0:
raise BankException("Account %s does NOT exist" % account_num)
def withdraw(self, amount, account_num):
self.logger.debug("Withdrawing $%s from %s" % (amount, account_num))
rows = self.dt.execute("UPDATE account SET balance = balance - ? WHERE account_num = ?", (amount, account_num))
if rows == 0:
raise BankException("Account %s does NOT exist" % account_num)
return amount
def balance(self, account_num):
return self.dt.query_for_object("SELECT balance FROM account WHERE account_num = ?", (account_num,), types.FloatType)
@transactional
def transfer(self, amount, from_account, to_account):
self.logger.debug("Transferring $%s from %s to %s." % (amount, from_account, to_account))
self.withdraw(amount, from_account)
self.deposit(amount, to_account)
class Bank(object):
def __init__(self, connectionFactory):
self.factory = connectionFactory
self.dt = DatabaseTemplate(connectionFactory)
@transactional
def withdraw(self, amount, account):
DECREASE_STMT = """
UPDATE account SET balance = balance - ? WHERE account_name = ?
"""
balance = self.get_balance(account)
if (balance < amount):
raise Exception("not enough balance (only $ %s) in %s" % (balance, account) )
print "[DEBUG] before DECREASE_STMT"
rows = self.dt.execute(DECREASE_STMT, (amount, account))
print "[DEBUG] rows = %d" % rows
if (rows == 0):
raise Exception("no such account %s" % account)
@transactional
def deposit(self, amount, account):
print "[DEBUG] deposit() begins"
INCREASE_STMT = """
UPDATE account SET balance = balance + ? WHERE account_name = ?
"""
print "[DEBUG] before INCREASE_STMT"
rows = self.dt.execute(INCREASE_STMT, (amount, account))
print "[DEBUG] rows = %d" % rows
if (rows == 0):
raise Exception("no such account %s" % account)
@transactional
def transfer(self, amount, from_account, to_account):
if (not self.is_valid_account(from_account)):
raise Exception("invalid account: %s" % from_account)
if (not self.is_valid_account(to_account)):
raise Exception("invalid account: %s" % to_account)
# TODO: what if step 1 succeeds, but step 2 fails
self.withdraw(amount, from_account)
self.deposit(amount, to_account)
@transactional(["PROPAGATION_SUPPORTS"])
def get_balance(self, account_name):
GET_BALANCE_STMT = """
SELECT balance FROM account WHERE account_name = ?
"""
balance = self.dt.query_for_object(GET_BALANCE_STMT, (account_name,), types.LongType)
return balance
def is_valid_account(self, account):
account_list = ("saving_111", "checking_222")
return account in account_list
class TransactionalBankWithNoTransactionalArguments(object):
"""This sample application can be used to demonstrate the value of atomic operations. The transfer operation
must be wrapped in a transaction in order to perform correctly. Otherwise, any errors in the deposit will
allow the from-account to leak assets."""
def __init__(self, factory):
self.logger = logging.getLogger(
"springpythontest.testSupportClasses.TransactionalBankWithNoTransactionalArguments"
)
self.dt = DatabaseTemplate(factory)
def open(self, account_num):
self.logger.debug("Opening account %s with $0 balance." % account_num)
self.dt.execute(
"INSERT INTO account (account_num, balance) VALUES (?,?)",
(account_num, 0))
def deposit(self, amount, account_num):
self.logger.debug("Depositing $%s into %s" % (amount, account_num))
rows = self.dt.execute(
"UPDATE account SET balance = balance + ? WHERE account_num = ?",
(amount, account_num))
if rows == 0:
raise BankException("Account %s does NOT exist" % account_num)
def withdraw(self, amount, account_num):
self.logger.debug("Withdrawing $%s from %s" % (amount, account_num))
rows = self.dt.execute(
"UPDATE account SET balance = balance - ? WHERE account_num = ?",
(amount, account_num))
if rows == 0:
raise BankException("Account %s does NOT exist" % account_num)
return amount
def balance(self, account_num):
return self.dt.query_for_object(
"SELECT balance FROM account WHERE account_num = ?",
(account_num, ), types.FloatType)
@transactional
def transfer(self, amount, from_account, to_account):
self.logger.debug("Transferring $%s from %s to %s." %
(amount, from_account, to_account))
self.withdraw(amount, from_account)
self.deposit(amount, to_account)
class AbstractTransactionTestCase(unittest.TestCase):
def __init__(self, methodName='runTest'):
unittest.TestCase.__init__(self, methodName)
self.factory = None
self.createdTables = False
def setUp(self):
if not self.createdTables:
self.createTables()
self.createTables()
self.dt = DatabaseTemplate(self.factory)
self.dt.execute("DELETE FROM animal")
self.dt.execute("DELETE FROM account")
self.factory.commit()
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 0)
self.transactionManager = ConnectionFactoryTransactionManager(self.factory)
self.transactionTemplate = TransactionTemplate(self.transactionManager)
def tearDown(self):
self.factory.getConnection().rollback()
def testInsertingRowsIntoTheDatabase(self):
rows = self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.assertEquals(rows, 1)
name = self.dt.query_for_object("SELECT name FROM animal WHERE name = 'black mamba'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
def testInsertingTwoRowsWithoutaTransactionButManuallyCommitted(self):
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('copperhead',))
self.factory.commit()
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 2)
def testInsertingTwoRowsWithoutaTransactionButManuallyRolledBack(self):
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('copperhead',))
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 2)
self.dt.connection_factory.getConnection().rollback()
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 0)
def testInsertingTwoRowsWithaTransactionAndNoErrorsAndNoResults(self):
class txDefinition(TransactionCallbackWithoutResult):
def do_in_tx_without_result(s, status):
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('copperhead',))
self.transactionTemplate.execute(txDefinition())
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 2)
def testInsertingTwoRowsWithaTransactionAndAnIntermediateErrorAndNoResults(self):
class txDefinition(TransactionCallbackWithoutResult):
def do_in_tx_without_result(s, status):
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 1)
raise DataAccessException("This should break the transaction, and rollback the insert.")
self.assertRaises(DataAccessException, self.transactionTemplate.execute, txDefinition())
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 0)
def testInsertingTwoRowsWithaTransactionAndNoErrorsAndResults(self):
class txDefinition(TransactionCallback):
def do_in_transaction(s, status):
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('copperhead',))
results = self.dt.query_for_object("SELECT name FROM animal WHERE name like 'c%'", required_type=types.StringType)
return results
self.assertEquals(self.transactionTemplate.execute(txDefinition()), "copperhead")
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 2)
def testInsertingTwoRowsWithaTransactionAndAnIntermediateErrorAndResults(self):
class txDefinition(TransactionCallback):
def do_in_transaction(s, status):
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba'))
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 1)
raise DataAccessException("This should break the transaction, and rollback the insert.")
self.assertRaises(DataAccessException, self.transactionTemplate.execute, txDefinition())
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 0)
def testDeclarativeTransactions(self):
appContext = ApplicationContext(DatabaseTxTestAppContext(self.factory))
bank = appContext.get_object("bank")
bank.open("Checking")
bank.open("Savings")
bank.deposit(125.00, "Checking")
self.assertEquals(bank.balance("Checking"), 125.00)
bank.deposit(250.00, "Savings")
self.assertEquals(bank.balance("Savings"), 250.00)
bank.transfer(25.00, "Savings", "Checking")
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 150.00)
bank.withdraw(10.00, "Checking")
self.assertEquals(bank.balance("Checking"), 140.00)
amount = 0.0
try:
amount = bank.withdraw(1000, "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(amount, 0.0)
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 140.00)
try:
bank.transfer(200, "Checking", "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(bank.balance("Savings"), 225.00, "Bad transfer did NOT fail atomically!")
self.assertEquals(bank.balance("Checking"), 140.00, "Bad transfer did NOT fail atomically!")
def testDecoratorBasedTransactions(self):
appContext = ApplicationContext(DatabaseTxTestDecorativeTransactions(self.factory))
bank = appContext.get_object("bank")
bank.open("Checking")
bank.open("Savings")
bank.deposit(125.00, "Checking")
self.assertEquals(bank.balance("Checking"), 125.00)
bank.deposit(250.00, "Savings")
self.assertEquals(bank.balance("Savings"), 250.00)
bank.transfer(25.00, "Savings", "Checking")
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 150.00)
bank.withdraw(10.00, "Checking")
self.assertEquals(bank.balance("Checking"), 140.00)
amount = 0.0
try:
amount = bank.withdraw(1000, "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(amount, 0.0)
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 140.00)
try:
bank.transfer(200, "Checking", "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(bank.balance("Savings"), 225.00, "Bad transfer did NOT fail atomically!")
self.assertEquals(bank.balance("Checking"), 140.00, "Bad transfer did NOT fail atomically!")
def testDecoratorBasedTransactionsWithNoArguments(self):
appContext = ApplicationContext(DatabaseTxTestDecorativeTransactionsWithNoArguments(self.factory))
bank = appContext.get_object("bank")
bank.open("Checking")
bank.open("Savings")
bank.deposit(125.00, "Checking")
self.assertEquals(bank.balance("Checking"), 125.00)
bank.deposit(250.00, "Savings")
self.assertEquals(bank.balance("Savings"), 250.00)
bank.transfer(25.00, "Savings", "Checking")
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 150.00)
bank.withdraw(10.00, "Checking")
self.assertEquals(bank.balance("Checking"), 140.00)
amount = 0.0
try:
amount = bank.withdraw(1000, "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(amount, 0.0)
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 140.00)
try:
bank.transfer(200, "Checking", "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(bank.balance("Savings"), 225.00, "Bad transfer did NOT fail atomically!")
self.assertEquals(bank.balance("Checking"), 140.00, "Bad transfer did NOT fail atomically!")
def testDecoratorBasedTransactionsWithLotsOfArguments(self):
appContext = ApplicationContext(DatabaseTxTestDecorativeTransactionsWithLotsOfArguments(self.factory))
bank = appContext.get_object("bank")
bank.open("Checking")
bank.open("Savings")
bank.deposit(125.00, "Checking")
self.assertEquals(bank.balance("Checking"), 125.00)
bank.deposit(250.00, "Savings")
self.assertEquals(bank.balance("Savings"), 250.00)
bank.transfer(25.00, "Savings", "Checking")
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 150.00)
bank.withdraw(10.00, "Checking")
self.assertEquals(bank.balance("Checking"), 140.00)
amount = 0.0
try:
amount = bank.withdraw(1000, "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(amount, 0.0)
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 140.00)
try:
bank.transfer(200, "Checking", "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(bank.balance("Savings"), 225.00, "Bad transfer did NOT fail atomically!")
logging.getLogger("springpythontest.databaseTransactionTestCases").debug(bank.balance("Checking"))
self.assertEquals(bank.balance("Checking"), 140.00, "Bad transfer did NOT fail atomically!")
def testOtherPropagationLevels(self):
appContext = ApplicationContext(DatabaseTxTestDecorativeTransactionsWithLotsOfArguments(self.factory))
bank = appContext.get_object("bank")
# Call a mandatory operation outside a transaction, and verify it fails.
try:
bank.mandatoryOperation()
self.fail("Expected a TransactionPropagationException!")
except TransactionPropagationException:
pass
# Call a mandatory operation from within a transactional routine, and verify it works.
bank.mandatoryOperationTransactionalWrapper()
# Call a non-transactional operation from outside a transaction, and verify it works.
bank.nonTransactionalOperation()
# Call a non-tranactional operation from within a transaction, and verify it fails.
try:
bank.nonTransactionalOperationTransactionalWrapper()
self.fail("Expected a TransactionPropagationException!")
except TransactionPropagationException:
pass
def testTransactionProxyMethodFilters(self):
appContext = ApplicationContext(DatabaseTxTestAppContext(self.factory))
bank = appContext.get_object("bank")
bank.open("Checking")
bank.open("Savings")
bank.deposit(125.00, "Checking")
self.assertEquals(bank.balance("Checking"), 125.00)
bank.deposit(250.00, "Savings")
self.assertEquals(bank.balance("Savings"), 250.00)
bank.transfer(25.00, "Savings", "Checking")
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 150.00)
bank.withdraw(10.00, "Checking")
self.assertEquals(bank.balance("Checking"), 140.00)
amount = 0.0
try:
amount = bank.withdraw(1000, "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(amount, 0.0)
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 140.00)
try:
bank.transfer(200, "Checking", "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(bank.balance("Savings"), 225.00, "Bad transfer did NOT fail atomically!")
self.assertEquals(bank.balance("Checking"), 140.00, "Bad transfer did NOT fail atomically!")
def testTransactionalBankWithNoAutoTransactionalObject(self):
appContext = ApplicationContext(DatabaseTxTestAppContextWithNoAutoTransactionalObject(self.factory))
bank = appContext.get_object("bank")
bank.open("Checking")
bank.open("Savings")
bank.deposit(125.00, "Checking")
self.assertEquals(bank.balance("Checking"), 125.00)
bank.deposit(250.00, "Savings")
self.assertEquals(bank.balance("Savings"), 250.00)
bank.transfer(25.00, "Savings", "Checking")
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 150.00)
bank.withdraw(10.00, "Checking")
self.assertEquals(bank.balance("Checking"), 140.00)
amount = 0.0
try:
amount = bank.withdraw(1000, "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(amount, 0.0)
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 140.00)
try:
bank.transfer(200, "Checking", "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(bank.balance("Savings"), 225.00, "Bad transfer did NOT fail atomically!")
self.assertEquals(bank.balance("Checking"), -60.00, "Bad transfer did NOT fail as expected (not atomically due to lack of AutoTransactionalObject)")
class AbstractDatabaseTemplateTestCase(unittest.TestCase):
def __init__(self, methodName='runTest'):
unittest.TestCase.__init__(self, methodName)
self.factory = None
self.createdTables = False
def setUp(self):
if not self.createdTables:
self.createTables()
self.databaseTemplate = DatabaseTemplate(self.factory)
self.databaseTemplate.execute("DELETE FROM animal")
self.factory.commit()
self.assertEquals(len(self.databaseTemplate.query_for_list("SELECT * FROM animal")), 0)
self.databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES ('snake', 'reptile', 1)")
self.databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES ('racoon', 'mammal', 0)")
self.databaseTemplate.execute ("INSERT INTO animal (name, category, population) VALUES ('black mamba', 'kill_bill_viper', 1)")
self.databaseTemplate.execute ("INSERT INTO animal (name, category, population) VALUES ('cottonmouth', 'kill_bill_viper', 1)")
self.factory.commit()
self.assertEquals(len(self.databaseTemplate.query_for_list("SELECT * FROM animal")), 4)
def tearDown(self):
self.factory.rollback()
def testProgrammaticallyInstantiatingAnAbstractDatabaseTemplate(self):
emptyTemplate = DatabaseTemplate()
self.assertRaises(AttributeError, emptyTemplate.query, "sql query shouldn't work", None)
def testProgrammaticHandlingInvalidRowHandler(self):
self.assertRaises(AttributeError, self.databaseTemplate.query, "select * from animal", rowhandler=testSupportClasses.InvalidCallbackHandler())
def testProgrammaticHandlingImproperRowHandler(self):
self.assertRaises(TypeError, self.databaseTemplate.query, "select * from animal", rowhandler=testSupportClasses.ImproperCallbackHandler())
def testProgrammaticHandlingValidDuckTypedRowHandler(self):
results = self.databaseTemplate.query("select * from animal", rowhandler=testSupportClasses.ValidHandler())
def testProgrammaticStaticQuery(self):
self.assertRaises(ArgumentMustBeNamed, self.databaseTemplate.query, "select * from animal", testSupportClasses.AnimalRowMapper())
animals = self.databaseTemplate.query("select name, category from animal", rowhandler=testSupportClasses.AnimalRowMapper())
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
self.assertEquals(animals[1].name, "racoon")
self.assertEquals(animals[1].category, "mammal")
def testProgrammaticStaticQueryWithSimpleRowMapper(self):
animals = self.databaseTemplate.query("select name, category from animal", rowhandler=SimpleRowMapper(testSupportClasses.Animal))
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
self.assertEquals(animals[1].name, "racoon")
self.assertEquals(animals[1].category, "mammal")
def testProgrammaticStaticQueryWithDictionaryRowMapper(self):
animals = self.databaseTemplate.query("select name, category from animal", rowhandler=DictionaryRowMapper())
self.assertEquals(animals[0]["name"], "snake")
self.assertEquals(animals[0]["category"], "reptile")
self.assertEquals(animals[1]["name"], "racoon")
self.assertEquals(animals[1]["category"], "mammal")
def testProgrammaticQueryWithBoundArguments(self):
animals = self.databaseTemplate.query("select name, category from animal where name = %s", ("snake",), testSupportClasses.AnimalRowMapper())
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
animals = self.databaseTemplate.query("select name, category from animal where name = ?", ("snake",), testSupportClasses.AnimalRowMapper())
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
def testProgrammaticQueryWithBoundArgumentsWithSimpleRowMapper(self):
animals = self.databaseTemplate.query("select name, category from animal where name = %s", ("snake",), SimpleRowMapper(testSupportClasses.Animal))
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
animals = self.databaseTemplate.query("select name, category from animal where name = ?", ("snake",), SimpleRowMapper(testSupportClasses.Animal))
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
def testProgrammaticQueryWithBoundArgumentsWithDictionaryRowMapper(self):
animals = self.databaseTemplate.query("select name, category from animal where name = %s", ("snake",), DictionaryRowMapper())
self.assertEquals(animals[0]["name"], "snake")
self.assertEquals(animals[0]["category"], "reptile")
animals = self.databaseTemplate.query("select name, category from animal where name = ?", ("snake",), DictionaryRowMapper())
self.assertEquals(animals[0]["name"], "snake")
self.assertEquals(animals[0]["category"], "reptile")
def testProgrammaticStaticQueryForList(self):
animals = self.databaseTemplate.query_for_list("select name, category from animal")
self.assertEquals(animals[0][0], "snake")
self.assertEquals(animals[0][1], "reptile")
self.assertEquals(animals[1][0], "racoon")
self.assertEquals(animals[1][1], "mammal")
def testProgrammaticQueryForListWithBoundArguments(self):
animals = self.databaseTemplate.query_for_list("select name, category from animal where name = %s", ("snake",))
self.assertEquals(animals[0][0], "snake")
self.assertEquals(animals[0][1], "reptile")
animals = self.databaseTemplate.query_for_list("select name, category from animal where name = ?", ("snake",))
self.assertEquals(animals[0][0], "snake")
self.assertEquals(animals[0][1], "reptile")
def testProgrammaticQueryForListWithBoundArgumentsNotProperlyTuplized(self):
self.assertRaises(InvalidArgumentType, self.databaseTemplate.query_for_list, "select * from animal where name = %s", "snake")
self.assertRaises(InvalidArgumentType, self.databaseTemplate.query_for_list, "select * from animal where name = ?", "snake")
def testProgrammaticStaticQueryForInt(self):
count = self.databaseTemplate.query_for_int("select population from animal where name = 'snake'")
self.assertEquals(count, 1)
def testProgrammaticQueryForIntWithBoundArguments(self):
count = self.databaseTemplate.query_for_int("select population from animal where name = %s", ("snake",))
self.assertEquals(count, 1)
count = self.databaseTemplate.query_for_int("select population from animal where name = ?", ("snake",))
self.assertEquals(count, 1)
def testProgrammaticStaticQueryForLong(self):
count = self.databaseTemplate.query_for_object("select count(*) from animal", required_type=self.factory.count_type())
self.assertEquals(count, 4)
def testProgrammaticQueryForLongWithBoundVariables(self):
count = self.databaseTemplate.query_for_object("select count(*) from animal where name = %s", ("snake",), self.factory.count_type())
self.assertEquals(count, 1)
count = self.databaseTemplate.query_for_object("select count(*) from animal where name = ?", ("snake",), self.factory.count_type())
self.assertEquals(count, 1)
def testProgrammaticStaticQueryForObject(self):
self.assertRaises(ArgumentMustBeNamed, self.databaseTemplate.query_for_object, "select name from animal where category = 'reptile'", types.StringType)
name = self.databaseTemplate.query_for_object("select name from animal where category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "snake")
def testProgrammaticQueryForObjectWithBoundVariables(self):
name = self.databaseTemplate.query_for_object("select name from animal where category = %s", ("reptile",), types.StringType)
self.assertEquals(name, "snake")
name = self.databaseTemplate.query_for_object("select name from animal where category = ?", ("reptile",), types.StringType)
self.assertEquals(name, "snake")
def testProgrammaticStaticUpdate(self):
rows = self.databaseTemplate.update("UPDATE animal SET name = 'python' WHERE name = 'snake'")
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "python")
def testProgrammaticUpdateWithBoundVariables(self):
rows = self.databaseTemplate.update("UPDATE animal SET name = ? WHERE category = ?", ("python", "reptile"))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "python")
rows = self.databaseTemplate.update("UPDATE animal SET name = ? WHERE category = %s", ("coily", "reptile"))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "coily")
def testProgrammaticStaticInsert(self):
self.databaseTemplate.execute("DELETE FROM animal")
rows = self.databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES ('black mamba', 'kill_bill_viper', 1)")
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'kill_bill_viper'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
def testProgrammaticInsertWithBoundVariables(self):
self.databaseTemplate.execute("DELETE FROM animal")
rows = self.databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES (?, ?, ?)", ('black mamba', 'kill_bill_viper', 1))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'kill_bill_viper'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
rows = self.databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES (%s, %s, %s)", ('cottonmouth', 'kill_bill_viper', 1))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("select name from animal where name = 'cottonmouth'", required_type=types.StringType)
self.assertEquals(name, "cottonmouth")
class DatabaseTemplateMockTestCase(MockTestCase):
"""Testing the DatabaseTemplate utilizes stubbing and mocking, in order to isolate from different
vendor implementations. This reduces the overhead in making changes to core functionality."""
def setUp(self):
self.mock = self.mock()
connection_factory = testSupportClasses.StubDBFactory()
connection_factory.stubConnection.mockCursor = self.mock
self.databaseTemplate = DatabaseTemplate(connection_factory)
def testProgrammaticallyInstantiatingAnAbstractDatabaseTemplate(self):
emptyTemplate = DatabaseTemplate()
self.assertRaises(AttributeError, emptyTemplate.query, "sql query shouldn't work", None)
def testProgrammaticHandlingInvalidRowHandler(self):
self.mock.expects(once()).method("execute")
self.mock.expects(once()).method("fetchall").will(return_value([("me", "myphone")]))
self.assertRaises(AttributeError, self.databaseTemplate.query, "select * from foobar", rowhandler=testSupportClasses.InvalidCallbackHandler())
def testProgrammaticHandlingImproperRowHandler(self):
self.mock.expects(once()).method("execute")
self.mock.expects(once()).method("fetchall").will(return_value([("me", "myphone")]))
self.assertRaises(TypeError, self.databaseTemplate.query, "select * from foobar", rowhandler=testSupportClasses.ImproperCallbackHandler())
def testProgrammaticHandlingValidDuckTypedRowHandler(self):
self.mock.expects(once()).method("execute")
self.mock.expects(once()).method("fetchall").will(return_value([("me", "myphone")]))
results = self.databaseTemplate.query("select * from foobar", rowhandler=testSupportClasses.ValidHandler())
def testIoCGeneralQuery(self):
appContext = ApplicationContext(XMLConfig("support/databaseTestApplicationContext.xml"))
mockConnectionFactory = appContext.get_object("mockConnectionFactory")
mockConnectionFactory.stubConnection.mockCursor = self.mock
self.mock.expects(once()).method("execute")
self.mock.expects(once()).method("fetchall").will(return_value([("me", "myphone")]))
databaseTemplate = DatabaseTemplate(connection_factory = mockConnectionFactory)
results = databaseTemplate.query("select * from foobar", rowhandler=testSupportClasses.SampleRowMapper())
def testProgrammaticStaticQuery(self):
self.assertRaises(ArgumentMustBeNamed, self.databaseTemplate.query, "select * from animal", testSupportClasses.AnimalRowMapper())
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([('snake', 'reptile', 1), ('racoon', 'mammal', 1)])).id("#2").after("#1")
animals = self.databaseTemplate.query("select * from animal", rowhandler=testSupportClasses.AnimalRowMapper())
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
self.assertEquals(animals[1].name, "racoon")
self.assertEquals(animals[1].category, "mammal")
def testProgrammaticQueryWithBoundArguments(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([('snake', 'reptile', 1)])).id("#2").after("#1")
self.mock.expects(once()).method("execute").id("#3").after("#2")
self.mock.expects(once()).method("fetchall").will(return_value([('snake', 'reptile', 1)])).id("#4").after("#3")
animals = self.databaseTemplate.query("select * from animal where name = %s", ("snake",), testSupportClasses.AnimalRowMapper())
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
animals = self.databaseTemplate.query("select * from animal where name = ?", ("snake",), testSupportClasses.AnimalRowMapper())
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
def testProgrammaticStaticQueryForList(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([('snake', 'reptile', 1), ('racoon', 'mammal', 1)])).id("#2").after("#1")
animals = self.databaseTemplate.query_for_list("select * from animal")
self.assertEquals(animals[0][0], "snake")
self.assertEquals(animals[0][1], "reptile")
self.assertEquals(animals[1][0], "racoon")
self.assertEquals(animals[1][1], "mammal")
def testProgrammaticQueryForListWithBoundArguments(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([('snake', 'reptile', 1)])).id("#2").after("#1")
self.mock.expects(once()).method("execute").id("#3").after("#2")
self.mock.expects(once()).method("fetchall").will(return_value([('snake', 'reptile', 1)])).id("#4").after("#3")
animals = self.databaseTemplate.query_for_list("select * from animal where name = %s", ("snake",))
self.assertEquals(animals[0][0], "snake")
self.assertEquals(animals[0][1], "reptile")
animals = self.databaseTemplate.query_for_list("select * from animal where name = ?", ("snake",))
self.assertEquals(animals[0][0], "snake")
self.assertEquals(animals[0][1], "reptile")
def testProgrammaticQueryForListWithBoundArgumentsNotProperlyTuplized(self):
self.assertRaises(InvalidArgumentType, self.databaseTemplate.query_for_list, "select * from animal where name = %s", "snake")
self.assertRaises(InvalidArgumentType, self.databaseTemplate.query_for_list, "select * from animal where name = ?", "snake")
def testProgrammaticStaticQueryForInt(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([(1,)])).id("#2").after("#1")
count = self.databaseTemplate.query_for_int("select population from animal where name = 'snake'")
self.assertEquals(count, 1)
def testProgrammaticQueryForIntWithBoundArguments(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([(1,)])).id("#2").after("#1")
self.mock.expects(once()).method("execute").id("#3").after("#2")
self.mock.expects(once()).method("fetchall").will(return_value([(1,)])).id("#4").after("#3")
count = self.databaseTemplate.query_for_int("select population from animal where name = %s", ("snake",))
self.assertEquals(count, 1)
count = self.databaseTemplate.query_for_int("select population from animal where name = ?", ("snake",))
self.assertEquals(count, 1)
def testProgrammaticStaticQueryForLong(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([(4,)])).id("#2").after("#1")
count = self.databaseTemplate.query_for_object("select count(*) from animal", required_type=types.IntType)
self.assertEquals(count, 4)
def testProgrammaticQueryForLongWithBoundVariables(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([(1,)])).id("#2").after("#1")
self.mock.expects(once()).method("execute").id("#3").after("#2")
self.mock.expects(once()).method("fetchall").will(return_value([(1,)])).id("#4").after("#3")
count = self.databaseTemplate.query_for_object("select count(*) from animal where name = %s", ("snake",), types.IntType)
self.assertEquals(count, 1)
count = self.databaseTemplate.query_for_object("select count(*) from animal where name = ?", ("snake",), types.IntType)
self.assertEquals(count, 1)
def testProgrammaticStaticQueryForObject(self):
self.assertRaises(ArgumentMustBeNamed, self.databaseTemplate.query_for_object, "select name from animal where category = 'reptile'", types.StringType)
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("snake",)])).id("#2").after("#1")
name = self.databaseTemplate.query_for_object("select name from animal where category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "snake")
def testProgrammaticQueryForObjectWithBoundVariables(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("snake",)])).id("#2").after("#1")
self.mock.expects(once()).method("execute").id("#3").after("#2")
self.mock.expects(once()).method("fetchall").will(return_value([("snake",)])).id("#4").after("#3")
name = self.databaseTemplate.query_for_object("select name from animal where category = %s", ("reptile",), types.StringType)
self.assertEquals(name, "snake")
name = self.databaseTemplate.query_for_object("select name from animal where category = ?", ("reptile",), types.StringType)
self.assertEquals(name, "snake")
def testProgrammaticStaticUpdate(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("execute").id("#2").after("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("python",)])).id("#3").after("#2")
self.mock.rowcount = 1
rows = self.databaseTemplate.update("UPDATE animal SET name = 'python' WHERE name = 'snake'")
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "python")
def testProgrammaticUpdateWithBoundVariables(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("execute").id("#2").after("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("python",)])).id("#3").after("#2")
self.mock.expects(once()).method("execute").id("#4").after("#3")
self.mock.expects(once()).method("execute").id("#5").after("#4")
self.mock.expects(once()).method("fetchall").will(return_value([("coily",)])).id("#6").after("#5")
self.mock.rowcount = 1
rows = self.databaseTemplate.update("UPDATE animal SET name = ? WHERE category = ?", ("python", "reptile"))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "python")
rows = self.databaseTemplate.update("UPDATE animal SET name = ? WHERE category = %s", ("coily", "reptile"))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "coily")
def testProgrammaticStaticInsert(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("execute").id("#2").after("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("black mamba",)])).id("#3").after("#2")
self.mock.rowcount = 1
rows = self.databaseTemplate.execute ("INSERT INTO animal (name, category, population) VALUES ('black mamba', 'kill_bill_viper', 1)")
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'kill_bill_viper'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
def testProgrammaticInsertWithBoundVariables(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("execute").id("#2").after("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("black mamba",)])).id("#3").after("#2")
self.mock.expects(once()).method("execute").id("#4").after("#3")
self.mock.expects(once()).method("execute").id("#5").after("#4")
self.mock.expects(once()).method("fetchall").will(return_value([("cottonmouth",)])).id("#6").after("#5")
self.mock.rowcount = 1
rows = self.databaseTemplate.execute ("INSERT INTO animal (name, category, population) VALUES (?, ?, ?)", ('black mamba', 'kill_bill_viper', 1))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'kill_bill_viper'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
rows = self.databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES (%s, %s, %s)", ('cottonmouth', 'kill_bill_viper', 1))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("select name from animal where name = 'cottonmouth'", required_type=types.StringType)
self.assertEquals(name, "cottonmouth")
class AbstractDatabaseTemplateTestCase(unittest.TestCase):
def __init__(self, methodName='runTest'):
unittest.TestCase.__init__(self, methodName)
self.factory = None
self.createdTables = False
def setUp(self):
if not self.createdTables:
self.createTables()
self.databaseTemplate = DatabaseTemplate(self.factory)
self.databaseTemplate.execute("DELETE FROM animal")
self.factory.commit()
self.assertEquals(len(self.databaseTemplate.query_for_list("SELECT * FROM animal")), 0)
self.databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES ('snake', 'reptile', 1)")
self.databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES ('racoon', 'mammal', 0)")
self.databaseTemplate.execute ("INSERT INTO animal (name, category, population) VALUES ('black mamba', 'kill_bill_viper', 1)")
self.databaseTemplate.execute ("INSERT INTO animal (name, category, population) VALUES ('cottonmouth', 'kill_bill_viper', 1)")
self.factory.commit()
self.assertEquals(len(self.databaseTemplate.query_for_list("SELECT * FROM animal")), 4)
def tearDown(self):
self.factory.rollback()
def testProgrammaticallyInstantiatingAnAbstractDatabaseTemplate(self):
emptyTemplate = DatabaseTemplate()
self.assertRaises(AttributeError, emptyTemplate.query, "sql query shouldn't work", None)
def testProgrammaticHandlingInvalidRowHandler(self):
self.assertRaises(AttributeError, self.databaseTemplate.query, "select * from animal", rowhandler=testSupportClasses.InvalidCallbackHandler())
def testProgrammaticHandlingImproperRowHandler(self):
self.assertRaises(TypeError, self.databaseTemplate.query, "select * from animal", rowhandler=testSupportClasses.ImproperCallbackHandler())
def testProgrammaticHandlingValidDuckTypedRowHandler(self):
results = self.databaseTemplate.query("select * from animal", rowhandler=testSupportClasses.ValidHandler())
def testProgrammaticStaticQuery(self):
self.assertRaises(ArgumentMustBeNamed, self.databaseTemplate.query, "select * from animal", testSupportClasses.AnimalRowMapper())
animals = self.databaseTemplate.query("select name, category from animal", rowhandler=testSupportClasses.AnimalRowMapper())
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
self.assertEquals(animals[1].name, "racoon")
self.assertEquals(animals[1].category, "mammal")
def testProgrammaticStaticQueryWithSimpleRowMapper(self):
animals = self.databaseTemplate.query("select name, category from animal", rowhandler=SimpleRowMapper(testSupportClasses.Animal))
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
self.assertEquals(animals[1].name, "racoon")
self.assertEquals(animals[1].category, "mammal")
def testProgrammaticStaticQueryWithDictionaryRowMapper(self):
animals = self.databaseTemplate.query("select name, category from animal", rowhandler=DictionaryRowMapper())
self.assertEquals(animals[0]["name"], "snake")
self.assertEquals(animals[0]["category"], "reptile")
self.assertEquals(animals[1]["name"], "racoon")
self.assertEquals(animals[1]["category"], "mammal")
def testProgrammaticQueryWithBoundArguments(self):
animals = self.databaseTemplate.query("select name, category from animal where name = %s", ("snake",), testSupportClasses.AnimalRowMapper())
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
animals = self.databaseTemplate.query("select name, category from animal where name = ?", ("snake",), testSupportClasses.AnimalRowMapper())
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
def testProgrammaticQueryWithBoundArgumentsWithSimpleRowMapper(self):
animals = self.databaseTemplate.query("select name, category from animal where name = %s", ("snake",), SimpleRowMapper(testSupportClasses.Animal))
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
animals = self.databaseTemplate.query("select name, category from animal where name = ?", ("snake",), SimpleRowMapper(testSupportClasses.Animal))
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
def testProgrammaticQueryWithBoundArgumentsWithDictionaryRowMapper(self):
animals = self.databaseTemplate.query("select name, category from animal where name = %s", ("snake",), DictionaryRowMapper())
self.assertEquals(animals[0]["name"], "snake")
self.assertEquals(animals[0]["category"], "reptile")
animals = self.databaseTemplate.query("select name, category from animal where name = ?", ("snake",), DictionaryRowMapper())
self.assertEquals(animals[0]["name"], "snake")
self.assertEquals(animals[0]["category"], "reptile")
def testProgrammaticStaticQueryForList(self):
animals = self.databaseTemplate.query_for_list("select name, category from animal")
self.assertEquals(animals[0][0], "snake")
self.assertEquals(animals[0][1], "reptile")
self.assertEquals(animals[1][0], "racoon")
self.assertEquals(animals[1][1], "mammal")
def testProgrammaticQueryForListWithBoundArguments(self):
animals = self.databaseTemplate.query_for_list("select name, category from animal where name = %s", ("snake",))
self.assertEquals(animals[0][0], "snake")
self.assertEquals(animals[0][1], "reptile")
animals = self.databaseTemplate.query_for_list("select name, category from animal where name = ?", ("snake",))
self.assertEquals(animals[0][0], "snake")
self.assertEquals(animals[0][1], "reptile")
def testProgrammaticQueryForListWithBoundArgumentsNotProperlyTuplized(self):
self.assertRaises(InvalidArgumentType, self.databaseTemplate.query_for_list, "select * from animal where name = %s", "snake")
self.assertRaises(InvalidArgumentType, self.databaseTemplate.query_for_list, "select * from animal where name = ?", "snake")
def testProgrammaticStaticQueryForInt(self):
count = self.databaseTemplate.query_for_int("select population from animal where name = 'snake'")
self.assertEquals(count, 1)
def testProgrammaticQueryForIntWithBoundArguments(self):
count = self.databaseTemplate.query_for_int("select population from animal where name = %s", ("snake",))
self.assertEquals(count, 1)
count = self.databaseTemplate.query_for_int("select population from animal where name = ?", ("snake",))
self.assertEquals(count, 1)
def testProgrammaticStaticQueryForLong(self):
count = self.databaseTemplate.query_for_object("select count(*) from animal", required_type=self.factory.count_type())
self.assertEquals(count, 4)
def testProgrammaticQueryForLongWithBoundVariables(self):
count = self.databaseTemplate.query_for_object("select count(*) from animal where name = %s", ("snake",), self.factory.count_type())
self.assertEquals(count, 1)
count = self.databaseTemplate.query_for_object("select count(*) from animal where name = ?", ("snake",), self.factory.count_type())
self.assertEquals(count, 1)
def testProgrammaticStaticQueryForObject(self):
self.assertRaises(ArgumentMustBeNamed, self.databaseTemplate.query_for_object, "select name from animal where category = 'reptile'", types.StringType)
name = self.databaseTemplate.query_for_object("select name from animal where category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "snake")
def testProgrammaticQueryForObjectWithBoundVariables(self):
name = self.databaseTemplate.query_for_object("select name from animal where category = %s", ("reptile",), types.StringType)
self.assertEquals(name, "snake")
name = self.databaseTemplate.query_for_object("select name from animal where category = ?", ("reptile",), types.StringType)
self.assertEquals(name, "snake")
def testProgrammaticStaticUpdate(self):
rows = self.databaseTemplate.update("UPDATE animal SET name = 'python' WHERE name = 'snake'")
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "python")
def testProgrammaticUpdateWithBoundVariables(self):
rows = self.databaseTemplate.update("UPDATE animal SET name = ? WHERE category = ?", ("python", "reptile"))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "python")
rows = self.databaseTemplate.update("UPDATE animal SET name = ? WHERE category = %s", ("coily", "reptile"))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "coily")
def testProgrammaticStaticInsert(self):
self.databaseTemplate.execute("DELETE FROM animal")
rows = self.databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES ('black mamba', 'kill_bill_viper', 1)")
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'kill_bill_viper'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
def testProgrammaticStaticInsertWithInsertApi(self):
self.databaseTemplate.execute("DELETE FROM animal")
id = self.databaseTemplate.insert_and_return_id("INSERT INTO animal (name, category, population) VALUES ('black mamba', 'kill_bill_viper', 1)")
self.assertEquals(id, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'kill_bill_viper'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
def testProgrammaticInsertWithBoundVariables(self):
self.databaseTemplate.execute("DELETE FROM animal")
rows = self.databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES (?, ?, ?)", ('black mamba', 'kill_bill_viper', 1))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'kill_bill_viper'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
rows = self.databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES (%s, %s, %s)", ('cottonmouth', 'kill_bill_viper', 1))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("select name from animal where name = 'cottonmouth'", required_type=types.StringType)
self.assertEquals(name, "cottonmouth")
def testProgrammaticInsertWithBoundVariablesWithInsertApi(self):
self.databaseTemplate.execute("DELETE FROM animal")
id = self.databaseTemplate.insert_and_return_id("INSERT INTO animal (name, category, population) VALUES (?, ?, ?)", ('black mamba', 'kill_bill_viper', 1))
self.assertEquals(id, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'kill_bill_viper'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
id = self.databaseTemplate.insert_and_return_id("INSERT INTO animal (name, category, population) VALUES (%s, %s, %s)", ('cottonmouth', 'kill_bill_viper', 1))
self.assertEquals(id, 2)
name = self.databaseTemplate.query_for_object("select name from animal where name = 'cottonmouth'", required_type=types.StringType)
self.assertEquals(name, "cottonmouth")
class DatabaseTemplateMockTestCase(MockTestCase):
"""Testing the DatabaseTemplate utilizes stubbing and mocking, in order to isolate from different
vendor implementations. This reduces the overhead in making changes to core functionality."""
def setUp(self):
self.mock = self.mock()
connection_factory = testSupportClasses.StubDBFactory()
connection_factory.stubConnection.mockCursor = self.mock
self.databaseTemplate = DatabaseTemplate(connection_factory)
def testProgrammaticallyInstantiatingAnAbstractDatabaseTemplate(self):
emptyTemplate = DatabaseTemplate()
self.assertRaises(AttributeError, emptyTemplate.query, "sql query shouldn't work", None)
def testProgrammaticHandlingInvalidRowHandler(self):
self.mock.expects(once()).method("execute")
self.mock.expects(once()).method("fetchall").will(return_value([("me", "myphone")]))
self.assertRaises(AttributeError, self.databaseTemplate.query, "select * from foobar", rowhandler=testSupportClasses.InvalidCallbackHandler())
def testProgrammaticHandlingImproperRowHandler(self):
self.mock.expects(once()).method("execute")
self.mock.expects(once()).method("fetchall").will(return_value([("me", "myphone")]))
self.assertRaises(TypeError, self.databaseTemplate.query, "select * from foobar", rowhandler=testSupportClasses.ImproperCallbackHandler())
def testProgrammaticHandlingValidDuckTypedRowHandler(self):
self.mock.expects(once()).method("execute")
self.mock.expects(once()).method("fetchall").will(return_value([("me", "myphone")]))
results = self.databaseTemplate.query("select * from foobar", rowhandler=testSupportClasses.ValidHandler())
def testIoCGeneralQuery(self):
appContext = ApplicationContext(XMLConfig("support/databaseTestApplicationContext.xml"))
mockConnectionFactory = appContext.get_object("mockConnectionFactory")
mockConnectionFactory.stubConnection.mockCursor = self.mock
self.mock.expects(once()).method("execute")
self.mock.expects(once()).method("fetchall").will(return_value([("me", "myphone")]))
databaseTemplate = DatabaseTemplate(connection_factory = mockConnectionFactory)
results = databaseTemplate.query("select * from foobar", rowhandler=testSupportClasses.SampleRowMapper())
def testProgrammaticStaticQuery(self):
self.assertRaises(ArgumentMustBeNamed, self.databaseTemplate.query, "select * from animal", testSupportClasses.AnimalRowMapper())
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([('snake', 'reptile', 1), ('racoon', 'mammal', 1)])).id("#2").after("#1")
animals = self.databaseTemplate.query("select * from animal", rowhandler=testSupportClasses.AnimalRowMapper())
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
self.assertEquals(animals[1].name, "racoon")
self.assertEquals(animals[1].category, "mammal")
def testProgrammaticQueryWithBoundArguments(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([('snake', 'reptile', 1)])).id("#2").after("#1")
self.mock.expects(once()).method("execute").id("#3").after("#2")
self.mock.expects(once()).method("fetchall").will(return_value([('snake', 'reptile', 1)])).id("#4").after("#3")
animals = self.databaseTemplate.query("select * from animal where name = %s", ("snake",), testSupportClasses.AnimalRowMapper())
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
animals = self.databaseTemplate.query("select * from animal where name = ?", ("snake",), testSupportClasses.AnimalRowMapper())
self.assertEquals(animals[0].name, "snake")
self.assertEquals(animals[0].category, "reptile")
def testProgrammaticStaticQueryForList(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([('snake', 'reptile', 1), ('racoon', 'mammal', 1)])).id("#2").after("#1")
animals = self.databaseTemplate.query_for_list("select * from animal")
self.assertEquals(animals[0][0], "snake")
self.assertEquals(animals[0][1], "reptile")
self.assertEquals(animals[1][0], "racoon")
self.assertEquals(animals[1][1], "mammal")
def testProgrammaticQueryForListWithBoundArguments(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([('snake', 'reptile', 1)])).id("#2").after("#1")
self.mock.expects(once()).method("execute").id("#3").after("#2")
self.mock.expects(once()).method("fetchall").will(return_value([('snake', 'reptile', 1)])).id("#4").after("#3")
animals = self.databaseTemplate.query_for_list("select * from animal where name = %s", ("snake",))
self.assertEquals(animals[0][0], "snake")
self.assertEquals(animals[0][1], "reptile")
animals = self.databaseTemplate.query_for_list("select * from animal where name = ?", ("snake",))
self.assertEquals(animals[0][0], "snake")
self.assertEquals(animals[0][1], "reptile")
def testProgrammaticQueryForListWithBoundArgumentsNotProperlyTuplized(self):
self.assertRaises(InvalidArgumentType, self.databaseTemplate.query_for_list, "select * from animal where name = %s", "snake")
self.assertRaises(InvalidArgumentType, self.databaseTemplate.query_for_list, "select * from animal where name = ?", "snake")
def testProgrammaticStaticQueryForInt(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([(1,)])).id("#2").after("#1")
count = self.databaseTemplate.query_for_int("select population from animal where name = 'snake'")
self.assertEquals(count, 1)
def testProgrammaticQueryForIntWithBoundArguments(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([(1,)])).id("#2").after("#1")
self.mock.expects(once()).method("execute").id("#3").after("#2")
self.mock.expects(once()).method("fetchall").will(return_value([(1,)])).id("#4").after("#3")
count = self.databaseTemplate.query_for_int("select population from animal where name = %s", ("snake",))
self.assertEquals(count, 1)
count = self.databaseTemplate.query_for_int("select population from animal where name = ?", ("snake",))
self.assertEquals(count, 1)
def testProgrammaticStaticQueryForLong(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([(4,)])).id("#2").after("#1")
count = self.databaseTemplate.query_for_object("select count(*) from animal", required_type=types.IntType)
self.assertEquals(count, 4)
def testProgrammaticQueryForLongWithBoundVariables(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([(1,)])).id("#2").after("#1")
self.mock.expects(once()).method("execute").id("#3").after("#2")
self.mock.expects(once()).method("fetchall").will(return_value([(1,)])).id("#4").after("#3")
count = self.databaseTemplate.query_for_object("select count(*) from animal where name = %s", ("snake",), types.IntType)
self.assertEquals(count, 1)
count = self.databaseTemplate.query_for_object("select count(*) from animal where name = ?", ("snake",), types.IntType)
self.assertEquals(count, 1)
def testProgrammaticStaticQueryForObject(self):
self.assertRaises(ArgumentMustBeNamed, self.databaseTemplate.query_for_object, "select name from animal where category = 'reptile'", types.StringType)
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("snake",)])).id("#2").after("#1")
name = self.databaseTemplate.query_for_object("select name from animal where category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "snake")
def testProgrammaticQueryForObjectWithBoundVariables(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("snake",)])).id("#2").after("#1")
self.mock.expects(once()).method("execute").id("#3").after("#2")
self.mock.expects(once()).method("fetchall").will(return_value([("snake",)])).id("#4").after("#3")
name = self.databaseTemplate.query_for_object("select name from animal where category = %s", ("reptile",), types.StringType)
self.assertEquals(name, "snake")
name = self.databaseTemplate.query_for_object("select name from animal where category = ?", ("reptile",), types.StringType)
self.assertEquals(name, "snake")
def testProgrammaticStaticUpdate(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("execute").id("#2").after("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("python",)])).id("#3").after("#2")
self.mock.rowcount = 1
rows = self.databaseTemplate.update("UPDATE animal SET name = 'python' WHERE name = 'snake'")
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "python")
def testProgrammaticUpdateWithBoundVariables(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("execute").id("#2").after("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("python",)])).id("#3").after("#2")
self.mock.expects(once()).method("execute").id("#4").after("#3")
self.mock.expects(once()).method("execute").id("#5").after("#4")
self.mock.expects(once()).method("fetchall").will(return_value([("coily",)])).id("#6").after("#5")
self.mock.rowcount = 1
rows = self.databaseTemplate.update("UPDATE animal SET name = ? WHERE category = ?", ("python", "reptile"))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "python")
rows = self.databaseTemplate.update("UPDATE animal SET name = ? WHERE category = %s", ("coily", "reptile"))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'reptile'", required_type=types.StringType)
self.assertEquals(name, "coily")
def testProgrammaticStaticInsert(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("execute").id("#2").after("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("black mamba",)])).id("#3").after("#2")
self.mock.rowcount = 1
rows = self.databaseTemplate.execute ("INSERT INTO animal (name, category, population) VALUES ('black mamba', 'kill_bill_viper', 1)")
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'kill_bill_viper'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
def testProgrammaticStaticInsertWithInsertApi(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("execute").id("#2").after("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("black mamba",)])).id("#3").after("#2")
self.mock.lastrowid = 42
id = self.databaseTemplate.insert_and_return_id("INSERT INTO animal (name, category, population) VALUES ('black mamba', 'kill_bill_viper', 1)")
self.assertEquals(id, 42)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'kill_bill_viper'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
def testProgrammaticInsertWithBoundVariables(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("execute").id("#2").after("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("black mamba",)])).id("#3").after("#2")
self.mock.expects(once()).method("execute").id("#4").after("#3")
self.mock.expects(once()).method("execute").id("#5").after("#4")
self.mock.expects(once()).method("fetchall").will(return_value([("cottonmouth",)])).id("#6").after("#5")
self.mock.rowcount = 1
rows = self.databaseTemplate.execute ("INSERT INTO animal (name, category, population) VALUES (?, ?, ?)", ('black mamba', 'kill_bill_viper', 1))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'kill_bill_viper'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
rows = self.databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES (%s, %s, %s)", ('cottonmouth', 'kill_bill_viper', 1))
self.assertEquals(rows, 1)
name = self.databaseTemplate.query_for_object("select name from animal where name = 'cottonmouth'", required_type=types.StringType)
self.assertEquals(name, "cottonmouth")
def testProgrammaticInsertWithBoundVariablesWithInsertApi(self):
self.mock.expects(once()).method("execute").id("#1")
self.mock.expects(once()).method("execute").id("#2").after("#1")
self.mock.expects(once()).method("fetchall").will(return_value([("black mamba",)])).id("#3").after("#2")
self.mock.expects(once()).method("execute").id("#4").after("#3")
self.mock.expects(once()).method("execute").id("#5").after("#4")
self.mock.expects(once()).method("fetchall").will(return_value([("cottonmouth",)])).id("#6").after("#5")
self.mock.lastrowid = 42
id = self.databaseTemplate.insert_and_return_id ("INSERT INTO animal (name, category, population) VALUES (?, ?, ?)", ('black mamba', 'kill_bill_viper', 1))
self.assertEquals(id, 42)
name = self.databaseTemplate.query_for_object("SELECT name FROM animal WHERE category = 'kill_bill_viper'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
id = self.databaseTemplate.insert_and_return_id("INSERT INTO animal (name, category, population) VALUES (%s, %s, %s)", ('cottonmouth', 'kill_bill_viper', 1))
self.assertEquals(id, 42)
name = self.databaseTemplate.query_for_object("select name from animal where name = 'cottonmouth'", required_type=types.StringType)
self.assertEquals(name, "cottonmouth")
class AbstractTransactionTestCase(unittest.TestCase):
def __init__(self, methodName='runTest'):
unittest.TestCase.__init__(self, methodName)
self.factory = None
self.createdTables = False
def setUp(self):
if not self.createdTables:
self.createTables()
self.createTables()
self.dt = DatabaseTemplate(self.factory)
self.dt.execute("DELETE FROM animal")
self.dt.execute("DELETE FROM account")
self.factory.commit()
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 0)
self.transactionManager = ConnectionFactoryTransactionManager(self.factory)
self.transactionTemplate = TransactionTemplate(self.transactionManager)
def tearDown(self):
self.factory.getConnection().rollback()
def testInsertingRowsIntoTheDatabase(self):
rows = self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.assertEquals(rows, 1)
name = self.dt.query_for_object("SELECT name FROM animal WHERE name = 'black mamba'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
def testInsertingRowsIntoTheDatabaseWithInsertApi(self):
id = self.dt.insert_and_return_id("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.assertEquals(id, 1)
name = self.dt.query_for_object("SELECT name FROM animal WHERE name = 'black mamba'", required_type=types.StringType)
self.assertEquals(name, "black mamba")
def testInsertingTwoRowsWithoutaTransactionButManuallyCommitted(self):
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('copperhead',))
self.factory.commit()
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 2)
def testInsertingTwoRowsWithoutaTransactionButManuallyRolledBack(self):
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('copperhead',))
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 2)
self.dt.connection_factory.getConnection().rollback()
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 0)
def testInsertingTwoRowsWithaTransactionAndNoErrorsAndNoResults(self):
class txDefinition(TransactionCallbackWithoutResult):
def do_in_tx_without_result(s, status):
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('copperhead',))
self.transactionTemplate.execute(txDefinition())
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 2)
def testInsertingTwoRowsWithaTransactionAndAnIntermediateErrorAndNoResults(self):
class txDefinition(TransactionCallbackWithoutResult):
def do_in_tx_without_result(s, status):
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 1)
raise DataAccessException("This should break the transaction, and rollback the insert.")
self.assertRaises(DataAccessException, self.transactionTemplate.execute, txDefinition())
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 0)
def testInsertingTwoRowsWithaTransactionAndNoErrorsAndResults(self):
class txDefinition(TransactionCallback):
def do_in_transaction(s, status):
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba',))
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('copperhead',))
results = self.dt.query_for_object("SELECT name FROM animal WHERE name like 'c%'", required_type=types.StringType)
return results
self.assertEquals(self.transactionTemplate.execute(txDefinition()), "copperhead")
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 2)
def testInsertingTwoRowsWithaTransactionAndAnIntermediateErrorAndResults(self):
class txDefinition(TransactionCallback):
def do_in_transaction(s, status):
self.dt.execute("INSERT INTO animal (name) VALUES (?)", ('black mamba'))
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 1)
raise DataAccessException("This should break the transaction, and rollback the insert.")
self.assertRaises(DataAccessException, self.transactionTemplate.execute, txDefinition())
self.assertEquals(len(self.dt.query_for_list("SELECT * FROM animal")), 0)
def testDeclarativeTransactions(self):
appContext = ApplicationContext(DatabaseTxTestAppContext(self.factory))
bank = appContext.get_object("bank")
bank.open("Checking")
bank.open("Savings")
bank.deposit(125.00, "Checking")
self.assertEquals(bank.balance("Checking"), 125.00)
bank.deposit(250.00, "Savings")
self.assertEquals(bank.balance("Savings"), 250.00)
bank.transfer(25.00, "Savings", "Checking")
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 150.00)
bank.withdraw(10.00, "Checking")
self.assertEquals(bank.balance("Checking"), 140.00)
amount = 0.0
try:
amount = bank.withdraw(1000, "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(amount, 0.0)
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 140.00)
try:
bank.transfer(200, "Checking", "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(bank.balance("Savings"), 225.00, "Bad transfer did NOT fail atomically!")
self.assertEquals(bank.balance("Checking"), 140.00, "Bad transfer did NOT fail atomically!")
def testDecoratorBasedTransactions(self):
appContext = ApplicationContext(DatabaseTxTestDecorativeTransactions(self.factory))
bank = appContext.get_object("bank")
bank.open("Checking")
bank.open("Savings")
bank.deposit(125.00, "Checking")
self.assertEquals(bank.balance("Checking"), 125.00)
bank.deposit(250.00, "Savings")
self.assertEquals(bank.balance("Savings"), 250.00)
bank.transfer(25.00, "Savings", "Checking")
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 150.00)
bank.withdraw(10.00, "Checking")
self.assertEquals(bank.balance("Checking"), 140.00)
amount = 0.0
try:
amount = bank.withdraw(1000, "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(amount, 0.0)
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 140.00)
try:
bank.transfer(200, "Checking", "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(bank.balance("Savings"), 225.00, "Bad transfer did NOT fail atomically!")
self.assertEquals(bank.balance("Checking"), 140.00, "Bad transfer did NOT fail atomically!")
def testDecoratorBasedTransactionsWithNoArguments(self):
appContext = ApplicationContext(DatabaseTxTestDecorativeTransactionsWithNoArguments(self.factory))
bank = appContext.get_object("bank")
bank.open("Checking")
bank.open("Savings")
bank.deposit(125.00, "Checking")
self.assertEquals(bank.balance("Checking"), 125.00)
bank.deposit(250.00, "Savings")
self.assertEquals(bank.balance("Savings"), 250.00)
bank.transfer(25.00, "Savings", "Checking")
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 150.00)
bank.withdraw(10.00, "Checking")
self.assertEquals(bank.balance("Checking"), 140.00)
amount = 0.0
try:
amount = bank.withdraw(1000, "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(amount, 0.0)
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 140.00)
try:
bank.transfer(200, "Checking", "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(bank.balance("Savings"), 225.00, "Bad transfer did NOT fail atomically!")
self.assertEquals(bank.balance("Checking"), 140.00, "Bad transfer did NOT fail atomically!")
def testDecoratorBasedTransactionsWithLotsOfArguments(self):
appContext = ApplicationContext(DatabaseTxTestDecorativeTransactionsWithLotsOfArguments(self.factory))
bank = appContext.get_object("bank")
bank.open("Checking")
bank.open("Savings")
bank.deposit(125.00, "Checking")
self.assertEquals(bank.balance("Checking"), 125.00)
bank.deposit(250.00, "Savings")
self.assertEquals(bank.balance("Savings"), 250.00)
bank.transfer(25.00, "Savings", "Checking")
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 150.00)
bank.withdraw(10.00, "Checking")
self.assertEquals(bank.balance("Checking"), 140.00)
amount = 0.0
try:
amount = bank.withdraw(1000, "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(amount, 0.0)
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 140.00)
try:
bank.transfer(200, "Checking", "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(bank.balance("Savings"), 225.00, "Bad transfer did NOT fail atomically!")
logging.getLogger("springpythontest.databaseTransactionTestCases").debug(bank.balance("Checking"))
self.assertEquals(bank.balance("Checking"), 140.00, "Bad transfer did NOT fail atomically!")
def testOtherPropagationLevels(self):
appContext = ApplicationContext(DatabaseTxTestDecorativeTransactionsWithLotsOfArguments(self.factory))
bank = appContext.get_object("bank")
# Call a mandatory operation outside a transaction, and verify it fails.
try:
bank.mandatoryOperation()
self.fail("Expected a TransactionPropagationException!")
except TransactionPropagationException:
pass
# Call a mandatory operation from within a transactional routine, and verify it works.
bank.mandatoryOperationTransactionalWrapper()
# Call a non-transactional operation from outside a transaction, and verify it works.
bank.nonTransactionalOperation()
# Call a non-tranactional operation from within a transaction, and verify it fails.
try:
bank.nonTransactionalOperationTransactionalWrapper()
self.fail("Expected a TransactionPropagationException!")
except TransactionPropagationException:
pass
def testTransactionProxyMethodFilters(self):
appContext = ApplicationContext(DatabaseTxTestAppContext(self.factory))
bank = appContext.get_object("bank")
bank.open("Checking")
bank.open("Savings")
bank.deposit(125.00, "Checking")
self.assertEquals(bank.balance("Checking"), 125.00)
bank.deposit(250.00, "Savings")
self.assertEquals(bank.balance("Savings"), 250.00)
bank.transfer(25.00, "Savings", "Checking")
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 150.00)
bank.withdraw(10.00, "Checking")
self.assertEquals(bank.balance("Checking"), 140.00)
amount = 0.0
try:
amount = bank.withdraw(1000, "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(amount, 0.0)
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 140.00)
try:
bank.transfer(200, "Checking", "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(bank.balance("Savings"), 225.00, "Bad transfer did NOT fail atomically!")
self.assertEquals(bank.balance("Checking"), 140.00, "Bad transfer did NOT fail atomically!")
def testTransactionalBankWithNoAutoTransactionalObject(self):
appContext = ApplicationContext(DatabaseTxTestAppContextWithNoAutoTransactionalObject(self.factory))
bank = appContext.get_object("bank")
bank.open("Checking")
bank.open("Savings")
bank.deposit(125.00, "Checking")
self.assertEquals(bank.balance("Checking"), 125.00)
bank.deposit(250.00, "Savings")
self.assertEquals(bank.balance("Savings"), 250.00)
bank.transfer(25.00, "Savings", "Checking")
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 150.00)
bank.withdraw(10.00, "Checking")
self.assertEquals(bank.balance("Checking"), 140.00)
amount = 0.0
try:
amount = bank.withdraw(1000, "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(amount, 0.0)
self.assertEquals(bank.balance("Savings"), 225.00)
self.assertEquals(bank.balance("Checking"), 140.00)
try:
bank.transfer(200, "Checking", "Nowhere")
self.fail("Expected a BankException!")
except BankException:
pass
self.assertEquals(bank.balance("Savings"), 225.00, "Bad transfer did NOT fail atomically!")
self.assertEquals(bank.balance("Checking"), -60.00, "Bad transfer did NOT fail as expected (not atomically due to lack of AutoTransactionalObject)")
