def test_validate_bad_field(self):
badch = tuple(c for c in string.punctuation + string.digits)
notnames = (
'1a',
'a.b',
'a-b',
'&a',
'a++',
) + badch
tests = [
('id', ()), # Any non-empty str is okay.
('vartype', ()), # Any non-empty str is okay.
]
seen = set()
for field, invalid in tests:
for value in invalid:
seen.add(value)
with self.subTest(f'{field}={value!r}'):
static = Variable(**self.VALID_KWARGS)
static = static._replace(**{field: value})
with self.assertRaises(ValueError):
static.validate()
for field, invalid in tests:
valid = seen - set(invalid)
for value in valid:
with self.subTest(f'{field}={value!r}'):
static = Variable(**self.VALID_KWARGS)
static = static._replace(**{field: value})
static.validate() # This does not fail.
def test_validate_missing_field(self):
for field in Variable._fields:
with self.subTest(field):
static = Variable(**self.VALID_KWARGS)
static = static._replace(**{field: None})
with self.assertRaises(TypeError):
static.validate()