05.05.2011 22:47, smichr пишет:
> Can someone else test [ https://github.com/sympy/sympy/pull/87 ] and
> see if you get failures? There are two commits there. Failures when
> testing expr.py (and other files) show up for some but not for me
> (W32).
>
> Ronan thinks it might be related to keep_sign. That could be...but I
> don't see where in the code that I have used (including apart) that
> the value of keep_sign changes.
>
> Maybe someone else can see the problem.
>
> Thanks.
> /c
>
Yes, I observe the errors while running all test in various files :
$ ./bin/test
And in particular in the test_expr.py file.
But when I run only one
$ ./bin/test test_expr.py
there is no errors.
Therefore tests depends on the order of testing of files.
I determined that it is related with test_sums_products.py. When I run
$ ./bin/test test_sums_products.py test_expr.py
the errors begin fails.
And precisely with this lines:
assert Sum(1/x/(x - 1), (x, a, b)).doit() == -1/b - 1/(1 - a)
When I comment it, then all tests in all files are passed without errors.
It seems that it is related with caching.
If I add at the `test_sums_products.py` after this (#174):
assert Sum(1/x/(x - 1), (x, a, b)).doit() == -1/b - 1/(1 - a)
this line
clear_cache()
then all tests in all files are passed without errors.
So this is a solution apparently.
Another question that it seems that `./bin/test` utility doesn't clear
caching before file testings. I think it must to do it. So I create an
issue for it.
--
Alexey U.
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