def _typecheck(self, attr, value):
expected_type = typecheck.get_arg_type_from_constructor_annotation(
type(self), attr
)
if expected_type is None:
return # no type info :(
typecheck.check_type(attr, value, expected_type)
def _typecheck(self, attr, value):
expected_type = typecheck.get_arg_type_from_constructor_annotation(
type(self), attr
)
if expected_type is None:
return # no type info :(
typecheck.check_type(attr, value, expected_type)
def test_check_tuple():
with pytest.raises(TypeError):
typecheck.check_type("foo", None, typing.Tuple[int, str])
with pytest.raises(TypeError):
typecheck.check_type("foo", (), typing.Tuple[int, str])
with pytest.raises(TypeError):
typecheck.check_type("foo", (42, 42), typing.Tuple[int, str])
with pytest.raises(TypeError):
typecheck.check_type("foo", ("42", 42), typing.Tuple[int, str])
typecheck.check_type("foo", (42, "42"), typing.Tuple[int, str])
def test_check_tuple():
with pytest.raises(TypeError):
typecheck.check_type("foo", None, typing.Tuple[int, str])
with pytest.raises(TypeError):
typecheck.check_type("foo", (), typing.Tuple[int, str])
with pytest.raises(TypeError):
typecheck.check_type("foo", (42, 42), typing.Tuple[int, str])
with pytest.raises(TypeError):
typecheck.check_type("foo", ("42", 42), typing.Tuple[int, str])
typecheck.check_type("foo", (42, "42"), typing.Tuple[int, str])
def __init__(self, name: str, typespec: type, default: typing.Any,
help: str,
choices: typing.Optional[typing.Sequence[str]]) -> None:
typecheck.check_type(name, default, typespec)
self.name = name
self.typespec = typespec
self._default = default
self.value = unset
self.help = textwrap.dedent(help).strip().replace("\n", " ")
self.choices = choices
def test_check_type():
typecheck.check_type("foo", 42, int)
with pytest.raises(TypeError):
typecheck.check_type("foo", 42, str)
with pytest.raises(TypeError):
typecheck.check_type("foo", None, str)
with pytest.raises(TypeError):
typecheck.check_type("foo", b"foo", str)
def test_check_sequence():
typecheck.check_type("foo", [10], typing.Sequence[int])
with pytest.raises(TypeError):
typecheck.check_type("foo", ["foo"], typing.Sequence[int])
with pytest.raises(TypeError):
typecheck.check_type("foo", [10, "foo"], typing.Sequence[int])
with pytest.raises(TypeError):
typecheck.check_type("foo", [b"foo"], typing.Sequence[str])
def test_check_type():
typecheck.check_type("foo", 42, int)
with pytest.raises(TypeError):
typecheck.check_type("foo", 42, str)
with pytest.raises(TypeError):
typecheck.check_type("foo", None, str)
with pytest.raises(TypeError):
typecheck.check_type("foo", b"foo", str)
def __init__(
self,
name: str,
typespec: type,
default: typing.Any,
help: str,
choices: typing.Optional[typing.Sequence[str]]
) -> None:
typecheck.check_type(name, default, typespec)
self.name = name
self.typespec = typespec
self._default = default
self.value = unset
self.help = help
self.choices = choices
def test_check_union():
typecheck.check_type("foo", 42, typing.Union[int, str])
typecheck.check_type("foo", "42", typing.Union[int, str])
with pytest.raises(TypeError):
typecheck.check_type("foo", [], typing.Union[int, str])
# Python 3.5 only defines __union_params__
m = mock.Mock()
m.__str__ = lambda self: "typing.Union"
m.__union_params__ = (int,)
typecheck.check_type("foo", 42, m)
def test_check_io():
typecheck.check_type("foo", io.StringIO(), typing.IO[str])
with pytest.raises(TypeError):
typecheck.check_type("foo", "foo", typing.IO[str])
def test_check_sequence():
typecheck.check_type("foo", [10], typing.Sequence[int])
with pytest.raises(TypeError):
typecheck.check_type("foo", ["foo"], typing.Sequence[int])
with pytest.raises(TypeError):
typecheck.check_type("foo", [10, "foo"], typing.Sequence[int])
with pytest.raises(TypeError):
typecheck.check_type("foo", [b"foo"], typing.Sequence[str])
with pytest.raises(TypeError):
typecheck.check_type("foo", "foo", typing.Sequence[str])
# Python 3.5.0 only defines __parameters__
m = mock.Mock()
m.__str__ = lambda self: "typing.Sequence"
m.__parameters__ = (int,)
typecheck.check_type("foo", [10], m)
def test_check_io():
typecheck.check_type("foo", io.StringIO(), typing.IO[str])
with pytest.raises(TypeError):
typecheck.check_type("foo", "foo", typing.IO[str])
def test_check_tuple():
typecheck.check_type("foo", (42, "42"), typing.Tuple[int, str])
with pytest.raises(TypeError):
typecheck.check_type("foo", None, typing.Tuple[int, str])
with pytest.raises(TypeError):
typecheck.check_type("foo", (), typing.Tuple[int, str])
with pytest.raises(TypeError):
typecheck.check_type("foo", (42, 42), typing.Tuple[int, str])
with pytest.raises(TypeError):
typecheck.check_type("foo", ("42", 42), typing.Tuple[int, str])
# Python 3.5 only defines __tuple_params__
m = mock.Mock()
m.__str__ = lambda self: "typing.Tuple"
m.__tuple_params__ = (int, str)
typecheck.check_type("foo", (42, "42"), m)
def set(self, value: typing.Any) -> None:
typecheck.check_type(self.name, value, self.typespec)
self.value = value
def test_check_union():
typecheck.check_type("foo", 42, typing.Union[int, str])
typecheck.check_type("foo", "42", typing.Union[int, str])
with pytest.raises(TypeError):
typecheck.check_type("foo", [], typing.Union[int, str])
def test_check_sequence():
typecheck.check_type("foo", [10], typing.Sequence[int])
with pytest.raises(TypeError):
typecheck.check_type("foo", ["foo"], typing.Sequence[int])
with pytest.raises(TypeError):
typecheck.check_type("foo", [10, "foo"], typing.Sequence[int])
with pytest.raises(TypeError):
typecheck.check_type("foo", [b"foo"], typing.Sequence[str])
with pytest.raises(TypeError):
typecheck.check_type("foo", "foo", typing.Sequence[str])
# Python 3.5 only defines __parameters__
m = mock.Mock()
m.__str__ = lambda self: "typing.Sequence"
m.__parameters__ = (int,)
typecheck.check_type("foo", [10], m)