Hi Ofer,
last i worked on greenlets they created custom thread states for each
greenlet
i vaugely remember that the trace function used by coverage (which is
used by pytest-cov is thread-specific
im under the imppression, that this may be an issue with greenlets ot
picking up trace functions
however i don't have the time to test that hypothesis soonish
a quick analysis however shows, that the greenlet module has a own
settrace call
you might want to experiment with having coverage use the settrace
function of greenlet as well
-- Ronny
On 04/17/2013 03:48 PM, Ofer Nave wrote:
Anyone have experience using pytest-cov on a codebase that makes use of
gevent greenlets?
I just started using pytest-cov for the first time yesterday, and
thought it'd be fun to try to get my test coverage from 85% to 100%.
However, the last few reportedly not-covered lines are, in fact,
executed multiple times. I'm 100% certain of this (it's a critical
section, the whole system depends on it, and I've added print statements
just to be dumbly sure).
The only possibility that comes to mind is that perhaps this is because
those sections of code are in a spawned greenlet, and maybe that messes
with how pytest-cov works -- can't be sure because I don't know how it
works. :)
-ofer
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