def test_load_extensions_fails_on_repeated_extension(self):
register_extensions('mock')(MockParser)
extensions = {}
cabinets.plugins.load_to_cache(MockParser, extensions, cabinets.Parser)
with self.assertRaises(cabinets.plugins.CabinetsPluginError):
cabinets.plugins.load_to_cache(MockParser, extensions,
cabinets.Parser)
def test_load_extensions(self):
register_extensions('mock')(MockParser)
extensions = {}
cabinets.plugins.load_to_cache(MockParser, extensions, cabinets.Parser)
self.assertDictEqual(extensions, {'mock': MockParser})
def test_register_extensions_fails_on_attempt_to_register_instance(self):
with self.assertRaises(ParserError) as err:
register_extensions('mock')(42)
self.assertIn('must be a class', str(err.exception))
def test_register_extensions_fails_on_cabinet_subclass_check(self):
with self.assertRaises(ParserError) as err:
register_extensions('mock')(MockCabinet)
self.assertIn('not a subclass', str(err.exception))
def test_register_extensions_fails_on_double_register(self):
with self.assertRaises(ParserError):
_ = register_extensions('mock')(MockParser)
_ = register_extensions('mock')(MockParser)
def test_register_extensions_succeeds(self):
cls = register_extensions('mock')(MockParser)
self.assertIs(cls, MockParser)
self.assertIn('mock', MockParser._extensions)