def test_valid_python_identifier_for_valid(self):
"""ValidPythonIdentifier returns valid identifiers unchanged."""
test_values = ('foo', 'lemon')
for name in test_values:
with self.subTest(identifier=name):
conversion = asyncio.run(ValidPythonIdentifier.convert(self.context, name))
self.assertEqual(name, conversion)
def test_valid_python_identifier_for_invalid(self):
"""ValidPythonIdentifier raises the proper exception for invalid identifiers."""
test_values = ('nested.stuff', '#####')
for name in test_values:
with self.subTest(identifier=name):
exception_message = f'`{name}` is not a valid Python identifier'
with self.assertRaises(BadArgument, msg=exception_message):
asyncio.run(ValidPythonIdentifier.convert(self.context, name))
def test_valid_python_identifier_for_invalid(value: str):
with pytest.raises(BadArgument,
match=f'`{value}` is not a valid Python identifier'):
asyncio.run(ValidPythonIdentifier.convert(None, value))
def test_valid_python_identifier_for_valid(value: str):
assert asyncio.run(ValidPythonIdentifier.convert(None, value)) == value