Reporting cumulative coverage across multiple Python versions

Question

I have code that runs conditionally depending on the current version of Python, because I'm supporting 2.6, 2.7, and 3.3 from the same package.

I currently generate a coverage report like this, using the default version of Python:

coverage run --source mypackage setup.py test
coverage report -m
coverage html

This is useful but not ideal, as it only reports coverage on Python 2.7. Instead, I would like to generate a cumulative report of the test coverage across 2.6, 2.7, and 3.2.

How do I generate a multi-version coverage report?

Side note: I've tried putting commands = coverage run --source mypackage setup.py test into my tox.ini for each of py26, py27, py33, but that doesn't seem to generate a cumulative coverage report.

I doubt it, since there's a different version of coverage for each version of Python. I suggest you contact Ned and see what he suggests. It's also hard to imagine what such a cumulative coverage report might look like -- other than just being the reports from the different versions concatenated together. — martineau
– martineau, Commented Aug 24, 2013 at 13:23

Chris Warrick · Accepted Answer · 2013-08-24 16:34:35Z

9

http://nedbatchelder.com/code/coverage/cmd.html#cmd-combining is of use according to the developer.

answered Aug 24, 2013 at 16:34

Chris Warrick

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3 Comments

Martin Thoma Over a year ago

Please add the gist of it - the link might break at some point

Chris Warrick Over a year ago

@MartinThoma the command is coverage combine. If the link breaks, the command might too.

Will Da Silva Over a year ago

The link is dead.

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