Stefan Sullivan <[email protected]> added the comment:
This seems like it directly contradicts the documentation for the discover
method:
"If a package (a directory containing a file named __init__.py) is found, the
package will be checked for a load_tests function. If this exists then it will
be called package.load_tests(loader, tests, pattern)."
I believe this _is_ a functional bug. I have a use case where I have provided a
root script with contents along the lines of
for d in includes:
test_dir = os.path.join(search_dir, d)
if test_dir not in excludes:
test_suite.addTests(test_loader.discover(test_dir, '*.py',
search_dir))
and a load_tests function in one of those directory's __init__.py. However,
since test discovery does not pass on the pattern, I cannot possibly discover
what the pattern should have been.
Furthermore, if I instead invoke test discovery on the command line using:
python -m unittest discover -s /path/to/code -t /path/to/code -p *.py
I again will see a load_tests invoked with pattern=None.
What is the situation where load_tests will be invoked with a non-None pattern?
Is there a workaround for how I'm supposed to get this pattern? Is there a
convention or design pattern where I'm supposed to return everything and let
the caller filter out the extra tests?
As far as I can tell, the load_tests protocol is only relevant to packages (not
modules) by virtue of its placement in the __init__.py file. However, the only
way to load tests from a package is via discover, because there is no
loadTestsFromPackage method (like there is for loadTestsFromModule). Have I
misunderstood the load_tests protocol? Is there some special way to get a
pattern?
I feel that if the user really wanted to use their own pattern, being passed a
string won't hurt anything, but converse is not true (at least for my use case)
----------
nosy: +Stefan Sullivan
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Python tracker <[email protected]>
<https://bugs.python.org/issue11218>
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