class TestRegisteringDataSource(unittest.TestCase):
"""
Tests for `RegisteringDataSource`.
"""
def setUp(self):
self.temp_directory = mkdtemp(suffix=TestRegisteringDataSource.__name__)
self.source = StubRegisteringDataSource(self.temp_directory, int)
self.source.is_data_file = MagicMock(return_value=True)
def tearDown(self):
self.source.stop()
shutil.rmtree(self.temp_directory)
listenable = registration_event_listenable_map[int]
for listener in listenable.get_listeners():
listenable.remove_listener(listener)
def test_extract_data_from_file(self):
listener = MagicMock()
registration_event_listenable_map[int].add_listener(listener)
rule_file_location = self._create_data_file_in_temp_directory()
with open(rule_file_location, 'w') as file:
file.write("from hgicommon.data_source import register\n"
"register(123)\n"
"register(456)")
loaded = self.source.extract_data_from_file(rule_file_location)
listener.assert_has_calls([
call(RegistrationEvent(123, RegistrationEvent.Type.REGISTERED)),
call(RegistrationEvent(456, RegistrationEvent.Type.REGISTERED))
])
self.assertEqual(loaded, [123, 456])
def test_extract_data_from_file_with_corrupted_file(self):
rule_file_location = self._create_data_file_in_temp_directory()
with open(rule_file_location, 'w') as file:
file.write("~")
logging.root.setLevel(level=logging.ERROR)
self.assertRaises(Exception, self.source.extract_data_from_file, rule_file_location)
def test_extract_data_from_file_with_wrong_file_extension(self):
rule_file_location = self._create_data_file_in_temp_directory()
new_rule_file_location = rule_file_location + "c"
os.rename(rule_file_location, new_rule_file_location)
logging.root.setLevel(level=logging.ERROR)
self.assertRaises(Exception, self.source.extract_data_from_file, new_rule_file_location)
def _create_data_file_in_temp_directory(self) -> str:
"""
Creates a data file in the temp directory used by this test.
:return: the file path of the created file
"""
temp_file_location = mkstemp()[1]
rule_file_location = "%s.py" % temp_file_location
os.rename(temp_file_location, rule_file_location)
return rule_file_location
def setUp(self):
self.temp_directory = mkdtemp(suffix=TestRegisteringDataSource.__name__)
self.source = StubRegisteringDataSource(self.temp_directory, int)
self.source.is_data_file = MagicMock(return_value=True)