Chris Jerdonek <chris.jerdo...@gmail.com> added the comment:
Because we don't know if the rest of the test code will adhere to this, we
might want to consider clearing the cache before each test as well.
Alternatively, we could avoid having to call importlib.invalidate_caches() at
all (and having to think about for which tests it is necessary) if we do each
test in a different directory and with a different name for the test package.
We could do the former as follows:
with support.temp_cwd(support.TESTFN):
dir_name = self.id().split('.')[-1] # test method name
with support.temp_cwd(dir_name) as cwd:
with support.DirsOnSysPath(cwd):
# Create package and run test.
An approach like this might be less prone to issues that are hard to
troubleshoot. I verified that it works.
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue7559>
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