def test_coerce_mapping_subscripted(annotation, value):
annotation = resolve_supertype(annotation)
key_arg, value_arg = annotation.__args__
coerced = coerce(value, annotation)
assert isinstance(coerced, annotation.__origin__)
assert all(isinstance(x, key_arg) for x in coerced.keys())
assert all(isinstance(x, value_arg) for x in coerced.values())
def test_default_none():
coerced = coerce({}, DefaultNone)
assert coerced.none is None
def test_coerce_newtype(annotation, value):
coerced = coerce(value, annotation)
assert isinstance(coerced, annotation.__supertype__)
def test_coerce_simple(annotation, value):
coerced = coerce(value, annotation)
assert isinstance(coerced, annotation)
def test_no_coercer():
assert isinstance(coerce("foo", lambda x: 1), str)
def test_coerce_nested_sequence():
coerced = coerce({"datum": [{"foo": "bar"}]}, NestedSeq)
assert isinstance(coerced, NestedSeq)
assert all(isinstance(x, Data) for x in coerced.datum)
def test_coerce_collections_subscripted(annotation, value):
arg = annotation.__args__[0]
coerced = coerce(value, annotation)
assert isinstance(coerced, annotation.__origin__) and all(
isinstance(x, arg) for x in coerced)
def test_coerce_supscripted(annotation, value, expected):
assert coerce(value, annotation) == expected
def test_coerce_nested_sequence():
coerced = coerce({'datum': [{'foo': 'bar'}]}, NestedSeq)
assert isinstance(coerced, NestedSeq)
assert all(isinstance(x, Data) for x in coerced.datum)