def convert(cls, value: Any) -> VarNames:
"""
Convert the given value to a list of variable name patterns.
"""
# Can be optional
if value is None:
return None
if isinstance(value, str):
return to_list(value)
if not isinstance(value, list):
raise ValueError('Variable name pattern can only be a string or a'
' list of strings.')
for item in value:
if not isinstance(item, str):
raise ValueError('Variable name pattern can only be a string'
' or a list of strings.')
return value
def test_int(self):
self.assertEqual(to_list(1, dtype=int), [1])
self.assertEqual(to_list('1, 2, 3', dtype=int), [1, 2, 3])
self.assertEqual(to_list([1, 2, 3], dtype=int), [1, 2, 3])
self.assertEqual(to_list((1, 2, 3), dtype=int), [1, 2, 3])
self.assertEqual(to_list(['1', '2', '3'], dtype=int), [1, 2, 3])
def test_str(self):
self.assertEqual(to_list('a'), ['a'])
self.assertEqual(to_list('a, b, c'), ['a', 'b', 'c'])
self.assertEqual(to_list(['a', 'b', 'c']), ['a', 'b', 'c'])
self.assertEqual(to_list(('a', 'b', 'c')), ['a', 'b', 'c'])
self.assertEqual(to_list([1, 2, 3]), ['1', '2', '3'])
def test_none_and_empty(self):
self.assertEqual(to_list(None), None)
self.assertEqual(to_list([]), [])
def test_int(self):
self.assertEqual(to_list(1, dtype=int), [1])
self.assertEqual(to_list('1, 2, 3', dtype=int), [1, 2, 3])
self.assertEqual(to_list([1, 2, 3], dtype=int), [1, 2, 3])
self.assertEqual(to_list((1, 2, 3), dtype=int), [1, 2, 3])
self.assertEqual(to_list(['1', '2', '3'], dtype=int), [1, 2, 3])
def test_str(self):
self.assertEqual(to_list('a'), ['a'])
self.assertEqual(to_list('a, b, c'), ['a', 'b', 'c'])
self.assertEqual(to_list(['a', 'b', 'c']), ['a', 'b', 'c'])
self.assertEqual(to_list(('a', 'b', 'c')), ['a', 'b', 'c'])
self.assertEqual(to_list([1, 2, 3]), ['1', '2', '3'])
def test_none_and_empty(self):
self.assertEqual(to_list(None), None)
self.assertEqual(to_list([]), [])