def __init__(self, *args, **kwargs): super(ClientForm, self).__init__(*args, **kwargs) # Initialize the currencies drop down currencies = CurrencyManager.list_currencies() currencies.insert(0, ("", "")) self.fields["default_currency"].choices = currencies # Initialize the languages drop down languages = LanguageManager.list_languages() languages.insert(0, ("", "")) self.fields["default_language"].choices = languages self.prefix = "client" self.auto_id = "%s"
class Test_Currency(BaseAppengineDatastoreTester): """ Currency management tests """ def setUp(self): super(Test_Currency, self).setUp() self.entity_manager = CurrencyManager() def test_create_currency(self): """ Test adding a currency """ currency = helpers.create_dummy_currency(1) self.verify_entity_instance(currency, CurrencyEntity) def test_create_existing_currency(self): """ Verify that adding a currency with an already existing symbol generates an exception """ currency = helpers.create_dummy_currency(1) try: currency = helpers.create_dummy_currency(1) self.fail('Added a duplicated currency symbol') except(CurrencyException): pass def test_add_exchange_rate_and_verify_conversion(self): """ Add an exchange rate from currency 1 to currency 2 and verify conversion occurs """ currency1 = helpers.create_dummy_currency(1) currency2 = helpers.create_dummy_currency(2) self.entity_manager.add_exchange_rate(from_currency = currency1, to_currency = currency2, date = date.today(), rate = 1.2) value1 = 10.0 value2 = self.entity_manager.convert_currency(from_currency = currency1, to_currency = currency2, date = date.today(), amount = value1) self.assertEqual(value2, 12.0) def test_exchange_rate_on_missing_day(self): """ Verify that a conversion using the rate of a day not inserted in the database generates an exception """ currency1 = helpers.create_dummy_currency(1) currency2 = helpers.create_dummy_currency(2) value1 = 10.0 try: self.entity_manager.convert_currency(from_currency = currency1, to_currency = currency2, date = date.today(), amount = value1) self.fail('Conversion occurred!!') except(CurrencyException): pass def test_exchange_rate_for_one_currency(self): """ Verify that an exchange rate cannot be created if the from and to currency are the same """ currency1 = helpers.create_dummy_currency(1) try: self.entity_manager.add_exchange_rate(from_currency = currency1, to_currency = currency1, date = date.today(), rate = 1.2) self.fail('Added a conversion rate from and to the same currency') except(CurrencyException): pass def test_duplicated_exchange_rate(self): """ Verify that a conversion rate cannot be added twice for the same day """ currency1 = helpers.create_dummy_currency(1) currency2 = helpers.create_dummy_currency(2) self.entity_manager.add_exchange_rate(from_currency = currency1, to_currency = currency2, date = date.today(), rate = 1.2) try: self.entity_manager.add_exchange_rate(from_currency = currency1, to_currency = currency2, date = date.today(), rate = 1.2) self.fail('Added an already existing conversion rate ') except(CurrencyException): pass def test_convert_as_list(self): """ Retrieve all currencies and convert to format usable in a dropdown as a tuple of pairs (id, name) """ for index in range (0, 5): helpers.create_dummy_currency(index) currencies = self.entity_manager.list_currencies() self.assertIsNotNone(currencies) self.assertEqual(len(currencies), 5) for currency in currencies: self.assertIsNotNone(currency) self.assertEqual(len(currency), 2)