def test_delim(self):
untyped_list = ListType(member_type=None, string_delim='#')
# test specifying another delimiter
native = untyped_list.to_native('a#b#c')
self.assertEqual(native, ['a', 'b', 'c'])
# test consecutive delimiters/whitespace padding
native = untyped_list.to_native(' a## b #c ')
self.assertEqual(native, [' a', '', ' b ', 'c '])
def test_untyped(self):
untyped_list = ListType(member_type=None)
native = untyped_list.to_native([1, 'a', None])
self.assertEqual(native, [1, 'a', None])
native = untyped_list.to_native('1|a|')
self.assertEqual(native, ['1', 'a', ''])
native = untyped_list.to_native(['a', [1, 2]])
self.assertEqual(native, ['a', [1, 2]])
def test_validate_member_type(self):
list_type = ListType(member_type=IntType(choices=[1, 2]))
list_type.validate([1, 2])
with self.assertRaises(ConversionError):
list_type.validate(['a', 'b'])
with self.assertRaises(ValidationError):
list_type.validate([1, 3])
def test_nested(self):
inner_list = ListType(StringType(), string_delim='#')
nested_list = ListType(member_type=inner_list, string_delim='|')
# test conversion of inner list
native = nested_list.to_native([[1, 2], [3, 4, 5], ['abc']])
self.assertEqual(native, [['1', '2'], ['3', '4', '5'], ['abc']])
native = nested_list.to_native('1#2|3#4#5|abc')
self.assertEqual(native, [['1', '2'], ['3', '4', '5'], ['abc']])
with self.assertRaises(ConversionError):
nested_list.to_native([['a', 'b'], [{'a': 1}]])
def test_typed(self):
typed_list = ListType(member_type=StringType())
# check good conversion
native = typed_list.to_native([1, 'a'])
self.assertEqual(native, ['1', 'a'])
native = typed_list.to_native('1|a')
self.assertEqual(native, ['1', 'a'])
# test conversion failure
with self.assertRaises(ConversionError):
typed_list.to_native(['a', [1, 2]])
def test_validate_length(self):
list_type = ListType(min_length=2, max_length=4)
# test edges
list_type.validate([1, 2])
list_type.validate([1, 2, 3, 4])
with self.assertRaises(ValidationError):
list_type.validate([1])
with self.assertRaises(ValidationError):
list_type.validate([1, 2, 3, 4, 5])
with self.assertRaises(ValidationError):
list_type.validate(None)