matplotlib-devel Mailing List for matplotlib

On Wed, Feb 18, 2009 at 11:43 AM, James Evans <jre...@ea...> wrote:
> All,
>
> I have just submitted a first-cut at a unit-test harness. The unit-tests do require the use of the 'nose' python module.
[...]
> Any questions or comments?
This is great, many thanks! I'd just suggest, if possible, adding a
top-level .test() function, so that the usual idiom for package
testing 'import foo;foo.test()' can be applied. I have a shell
function for that:
function pytest {
 # Run the test suite for a python package by name.
 # This assumes the package has a top-level .test() routine to run its
 # test suite.
 local pname=1ドル
 python -c "import $pname;${pname}.test()"
}
that I use for things like testing numpy or scipy easily:
uqbar[~]> pytest numpy
Running unit tests for numpy
[...]
----------------------------------------------------------------------
Ran 1931 tests in 4.999s
OK (KNOWNFAIL=1, SKIP=11)
Cheers,
f

On 2009年2月18日, Joshua Lippai wrote:
> Interesting. I can't reproduce your result using either the MacOSX or
> WXAgg backend. Which backend are you using, and does the problem
> persist if you use a different one?
Hmm, I see it in at least WXAgg, WX, GTKAgg ...
/Olle

python -i svn/matplotlib/test/run-mpl-test.py
...
======================================================================
FAIL: Test numpy shaped data.
----------------------------------------------------------------------
Traceback (most recent call last):
 File 
"/home/nwagner/svn/matplotlib/test/test_plots/TestPlot.py", 
line 129, in test_shaped_data
 self.checkImage( fname )
 File 
"/home/nwagner/svn/matplotlib/test/mplTest/MplTestCase.py", 
line 57, in checkImage
 self.fail( msg + "\n" + errorMessage )
AssertionError:
 Error: Image files did not match.
 RMS Value: 3.26978179241
 Expected:
 /home/nwagner/svn/matplotlib/test/test_plots/baseline/TestPlot/shaped_data.png
 Actual:
 /home/nwagner/svn/matplotlib/test/test_plots/outputs/shaped_data.png
 Tolerance: 0.001
----------------------------------------------------------------------
Ran 16 tests in 6.476s
FAILED (failures=1)
 

All,
I have just submitted a first-cut at a unit-test harness. The unit-tests do require the use of the 'nose' python module.
Everything has been placed in the 'test' directory off of the root trunk branch. There is a README file with lots of information on
how to use it. This is in addition to a few test cases already bundled in (they make great examples)! The idea is that whenever
somebody adds a new feature or makes a change they update/add the appropriate test case and re-run the harness to make sure nothing
is broken.
There is most definitely room for improvement with this, but it gives a starting point from which discussions and modifications can
take place.
Any questions or comments?
--James Evans

Interesting. I can't reproduce your result using either the MacOSX or
WXAgg backend. Which backend are you using, and does the problem
persist if you use a different one?
Josh
On Wed, Feb 18, 2009 at 11:12 AM, Olle Engdegård <ol...@fy...> wrote:
>
> Doing
>
> from pylab import *
> x=normal(10, size=1000)
> hist(x)
> xlim(0,10)
> savefig("Image.svg")
>
> and then importing the file to Inkscape and saving it there as a pdf gives
> the attached result. The stuff right of x=10 is suddenly there. The weirdest
> thing is that Inkscape _does not see this overspill_!
>
> Not sure what is happening here, cannot reproduce it with plot() instead of
> hist().
>
> Cheers,
> Olle
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>

Doing
from pylab import *
x=normal(10, size=1000)
hist(x)
xlim(0,10)
savefig("Image.svg")
and then importing the file to Inkscape and saving it there as a pdf gives 
the attached result. The stuff right of x=10 is suddenly there. The 
weirdest thing is that Inkscape _does not see this overspill_!
Not sure what is happening here, cannot reproduce it with plot() instead 
of hist().
Cheers,
Olle