Unitable,
Unwrapable,
)
from returns.result import Failure, Success
@pytest.mark.parametrize('container', [
RequiresContextIOResult(lambda _: IOSuccess(1)),
RequiresContextIOResult(lambda _: IOFailure(1)),
RequiresContextIOResult.from_success(1),
RequiresContextIOResult.from_failure(1),
RequiresContextIOResult.from_result(Success(1)),
RequiresContextIOResult.from_result(Failure(1)),
RequiresContextIOResult.from_ioresult(IOSuccess(1)),
RequiresContextIOResult.from_ioresult(IOFailure(1)),
ContextIOResult.ask(),
])
@pytest.mark.parametrize('protocol', [
Bindable,
Mappable,
Rescueable,
Unwrapable,
Altable,
Fixable,
Unitable,
])
def test_protocols(container, protocol):
"""Ensures that RequiresContext has all the right protocols."""
assert isinstance(container, protocol)
def test_context_io_result_immutable():
"""Ensures that helper is immutable."""
with pytest.raises(ImmutableStateError):
ContextIOResult().abc = 1
def test_requires_context_result_immutable_copy():
"""Ensures that helper returns it self when passed to copy function."""
context_i_o_result: ContextIOResult = ContextIOResult()
assert context_i_o_result is copy(context_i_o_result)