New submission from Eric Snow:
Right now to run importlib tests you can do either of the following:
./python -m tests test_importlib
./python -m tests.test_importlib
Both make use of the regrtest infrastructure. For test submodules the commands
are similar:
./python -m tests test_importlib.test_api
./python -m tests.test_importlib.test_api
You can also use unittest directly when testing specific test modules:
./python -m unittest tests.test_importlib.test_api
./python -m unittest
tests.test_importlib.test_api.Source_ReloadTests.test_reload_location_changed
However, currently you cannot use unittest directly with a test package:
./python -m unittest tests.test_importlib
./python -m unittest tests.test_importlib.source
It would be nice to be able to do so, rather than switching back and forth
between the unittest CLI and the regrtest CLI.
The change to do so is relatively straight-forward using the "load_tests"
protocol*. Just add the following to the __init__.py of the test packages:
def load_tests(loader, tests, pattern):
from test import TEST_HOME_DIR as topdir
startdir = os.path.dirname(__name__)
pkgtests = loader.discover(startdir, pattern or 'test*.py', topdir)
tests.addTests(pkgtests)
return tests
The boilerplate could even be moved to tests.support as a factory function:
def make_load_tests(modfilename):
from test import TEST_HOME_DIR as topdir
startdir = os.path.dirname(modfilename)
def load_tests(loader, tests, pattern):
pkgtests = loader.discover(startdir, pattern or 'test*.py', topdir)
tests.addTests(pkgtests)
return tests
return load_tests
In the test package __init__.py:
load_tests = support.make_load_tests(__name__)
Then using unittest directly with an importlib test package will work as
expected. This is also something that could readily apply to any other test
packages in the suite, which is why the factory function in test.support makes
sense.
* https://docs.python.org/2/library/unittest.html#load-tests-protocol
----------
components: Tests
messages: 218476
nosy: brett.cannon, eric.snow
priority: low
severity: normal
stage: needs patch
status: open
title: Make use of the "load_tests" protocol in test_importlib packages
type: enhancement
versions: Python 3.5
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue21500>
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