Python DatabaseTemplate.query_for_list方法代码示例

# 需要导入模块: from springpython.database.core import DatabaseTemplate [as 别名]
# 或者: from springpython.database.core.DatabaseTemplate import query_for_list [as 别名]
    def testIoCGeneralQueryWithDictionaryRowMapper(self):
        appContext = ApplicationContext(XMLConfig("support/databaseTestSqliteApplicationContext.xml"))
        factory = appContext.get_object("connection_factory")

        databaseTemplate = DatabaseTemplate(factory)

        databaseTemplate.execute("DROP TABLE IF EXISTS animal")
        databaseTemplate.execute("""
            CREATE TABLE animal (
              id serial PRIMARY KEY,
              name VARCHAR(11),
              category VARCHAR(20),
              population integer
            )
        """)
        factory.commit()
        databaseTemplate.execute("DELETE FROM animal")
        factory.commit()
        self.assertEquals(len(databaseTemplate.query_for_list("SELECT * FROM animal")), 0)
        databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES ('snake', 'reptile', 1)")
        databaseTemplate.execute("INSERT INTO animal (name, category, population) VALUES ('racoon', 'mammal', 0)")
        databaseTemplate.execute ("INSERT INTO animal (name, category, population) VALUES ('black mamba', 'kill_bill_viper', 1)")
        databaseTemplate.execute ("INSERT INTO animal (name, category, population) VALUES ('cottonmouth', 'kill_bill_viper', 1)")
        factory.commit()
        self.assertEquals(len(databaseTemplate.query_for_list("SELECT * FROM animal")), 4)

        results = databaseTemplate.query("select * from animal", rowhandler=DictionaryRowMapper())

# 需要导入模块: from springpython.database.core import DatabaseTemplate [as 别名]
# 或者: from springpython.database.core.DatabaseTemplate import query_for_list [as 别名]
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")
#.........这里部分代码省略.........

# 需要导入模块: from springpython.database.core import DatabaseTemplate [as 别名]
# 或者: from springpython.database.core.DatabaseTemplate import query_for_list [as 别名]
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")
#.........这里部分代码省略.........

# 需要导入模块: from springpython.database.core import DatabaseTemplate [as 别名]
# 或者: from springpython.database.core.DatabaseTemplate import query_for_list [as 别名]
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")
#.........这里部分代码省略.........