def from_ioresult_context(
cls,
inner_value:
'ReaderIOResult[_NewValueType, _NewErrorType, _NewEnvType]',
) -> 'ReaderFutureResult[_NewValueType, _NewErrorType, _NewEnvType]':
"""
Creates new container from ``RequiresContextIOResult`` as a unit value.
.. code:: python
>>> import anyio
>>> from returns.context import RequiresContextIOResult
>>> from returns.io import IOSuccess, IOFailure
>>> assert anyio.run(
... RequiresContextFutureResult.from_ioresult_context(
... RequiresContextIOResult.from_value(1),
... ),
... RequiresContextFutureResult.empty,
... ) == IOSuccess(1)
>>> assert anyio.run(
... RequiresContextFutureResult.from_ioresult_context(
... RequiresContextIOResult.from_failure(1),
... ),
... RequiresContextFutureResult.empty,
... ) == IOFailure(1)
"""
return RequiresContextFutureResult(
lambda deps: FutureResult.from_ioresult(inner_value(deps)), )
def from_ioresult(
cls,
inner_value: IOResult[_NewValueType, _NewErrorType],
) -> 'RequiresContextFutureResult[_NewValueType, _NewErrorType, NoDeps]':
"""
Creates new container with ``IOResult`` as a unit value.
.. code:: python
>>> import anyio
>>> from returns.context import RequiresContextFutureResult
>>> from returns.io import IOSuccess, IOFailure
>>> assert anyio.run(
... RequiresContextFutureResult.from_ioresult(IOSuccess(1)),
... RequiresContextFutureResult.empty,
... ) == IOSuccess(1)
>>> assert anyio.run(
... RequiresContextFutureResult.from_ioresult(IOFailure(1)),
... RequiresContextFutureResult.empty,
... ) == IOFailure(1)
"""
return RequiresContextFutureResult(
lambda _: FutureResult.from_ioresult(inner_value), )
async def test_inner_value(subtests):
"""Ensure that coroutine correct value is preserved for all units."""
containers = [
# We have to define these values inside the test, because
# otherwise `anyio` will `await` reused coroutines.
# And they have to be fresh. That's why we use subtests for it.
FutureResult.from_value(1),
FutureResult.from_failure(1),
FutureResult.from_io(IO(1)),
FutureResult.from_failed_io(IO(1)),
FutureResult.from_ioresult(IOSuccess(1)),
FutureResult.from_ioresult(IOFailure(1)),
FutureResult.from_result(Success(1)),
FutureResult.from_result(Failure(1)),
FutureResult.from_future(Future.from_value(1)),
FutureResult.from_failed_future(Future.from_value(1)),
FutureResult.from_typecast(Future.from_value(Success(1))),
]
for container in containers:
with subtests.test(container=container):
result_inst = await container
assert result_inst._inner_value._inner_value == 1 # noqa: WPS437
