Summary:
Python 3.8 provides the (poorly named)
unittest.IsolatedAsyncioTestCase base class that gives each test an
asyncio event loop and runs it. This allows us to write async
integration tests, required to use modern Thrift Python.
Reviewed By: genevievehelsel
Differential Revision: D21955584
fbshipit-source-id: 8366dc7c72b31e1667e72fe1e359587b74e2c614
Summary:
Unawaited coroutines are pernicious and not errors by default. In
advance of enabling asynchronous tests, fail our tests when Python
warnings are shown.
We record warnings and report them after the test body instead of
enabling an "error" warning filter because exceptions thrown by
finalizers are silently swallowed, and most important warnings occur
during finalization.
Reviewed By: genevievehelsel
Differential Revision: D21955210
fbshipit-source-id: b1fc52ddfa9f9befbde6800f85f090862af0ef15
Summary:
This adds a new `EdenTestCaseBase` class to serve as the base class across a
number of our integration tests and some of our CLI tests.
The main goal of this is to allow eliminating many of the annoying `*Mixin`
classes used in a lot of our integration tests. These mixin classes are
annoying since they result in complicated multiple inheritance, and it can be
tricky to ensure that the method resolution order behaves the way you want.
The systemd tests in particular use a lot of mixins, which gets complicated.
These mixin classes are also awkward from a Python typing perspective, and the
systemd tests end up resorting to just declaring different APIs in several
places when `typing.TYPE_CHECKING` is True.
The fact that `EdenTestCaseBase` has a `contextlib.ExitStack` member variable
should make it easier for us to eliminate these mixins moving forward: rather
than using mixins that use inheritance and assume a `self.cleanUp()` method
exists, we can transition this code to standalone functions or context
managers, and they can take the `ExitStack` variable as an argument if
necessary.
Reviewed By: wez
Differential Revision: D21084097
fbshipit-source-id: 77ee457b7debe6f584f630e3e30f79fe634a2026
