[Distutils] zope.testrunner behavior change
Barry Warsaw
barry at python.org
Mon Aug 30 13:09:42 CEST 2010
I'm just back from a mini-vacation. Before I left, I upgrade the Mailman 3
branch to use buildout 1.5, but I experienced a build failure [1] and a bunch
of test failures. Gary fixed all the build problems (thanks!) and I think
released a new zope.testrunner package that got my branch back into working
state.
Mostly. I had one test failure that was fairly easy to fix, but it pointed to
a change in zope.testrunner. This may be a question better suited to the TIP
list, but well, I'll send it here as a follow up to my buildout issues. ;)
The diff should illustrate the behavior change in z.t that broke the test:
% bzr diff -c 6934
=== modified file 'src/mailman/app/docs/hooks.txt'
--- src/mailman/app/docs/hooks.txt 2010-01-12 13:27:38 +0000
+++ src/mailman/app/docs/hooks.txt 2010-08-30 01:00:26 +0000
@@ -51,7 +51,8 @@
>>> def call():
... proc = subprocess.Popen(
... 'bin/mailman lists --domain ignore -q'.split(),
- ... cwd='../..', # testrunner runs from ./parts/test
+ ... # testrunner runs from ./parts/test/working-directory
+ ... cwd='../../..',
... env=dict(MAILMAN_CONFIG_FILE=config_path,
... PYTHONPATH=config_directory),
... stdout=subprocess.PIPE, stderr=subprocess.PIPE)
The test is trying to run a script that gets built into the bin directory of
the built-out tree. I had to set cwd in order to find the bin directory. I
probably could have used other landmarks to more dynamically find the bin
directory, but this seemed expedient... until z.t changed the cwd in the new
version.
So my question is: would it make sense to be able to ask zope.testrunner where
it's running from, so that I don't have to hard code cwd? Better still would
be a function in z.t that I could call that would get me back to root
directory. E.g. something like:
... cwd=zope.testrunner.root_directory()
Thoughts? It's not that big of a deal, but I don't like that my test relies
on undocumented zope.testrunner behavior.
Cheers,
-Barry
[1] https://bugs.edge.launchpad.net/zc.buildout/+bug/623590
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