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Investigate irritating test failures on Windows #1765
Description
Currently all the tests are passing for all the Windows XP builds being performed with Jenkins. However, in almost every test run for the last dozen or so one or two of the configuration "fail" due to the following:
============================= test session starts ==============================
platform win32 -- Python 3.1.4 -- pytest-2.4.0
Running tests with Astropy version 0.3.dev6508.
Running tests in astropy.
Platform: Windows-XP-5.1.2600-SP3
Executable: C:\PythonVirtualenvs\python-3.1-numpy-1.6.0\Scripts\python.exe
Full Python Version:
3.1.4 (default, Jun 12 2011, 15:05:44) [MSC v.1500 32 bit (Intel)]
encodings: sys: utf-8, locale: cp1252, filesystem: mbcs, unicode bits: 15
byteorder: little
float info: dig: 15, mant_dig: 15
Numpy: 1.6.0
Scipy: not available
Matplotlib: not available
h5py: not available
collected 4938 items / 3 skipped
...
generated xml file: E:\Builds\astropy-winxp32-multiconfig\workspaces\COMPILER\msvc\NUMPY_VER\numpy-1.6.0\PYTHON_VER\python-3.1\junit.xml
====== 4687 passed, 242 skipped, 11 xfailed, 1 xpassed in 219.50 seconds =======
error: c:\windows\temp\astropy-test-q0qnox\lib.win32-3.1\astropy\convolution\boundary_extend.pyd: Access is denied
E:\Builds\astropy-winxp32-multiconfig\workspaces\COMPILER\msvc\NUMPY_VER\numpy-1.6.0\PYTHON_VER\python-3.1>exit 1
Build step 'Execute Windows batch command' marked build as failure
Recording test results
Finished: FAILURE
In other words all the tests that are being run pass, but the test script exits with an error condition due to failure to delete this boundary_extend.pyd file from the temp testing directory, likely due to a handle being held open to it. It's a weird timing issue that appears to occur semi-randomly on any of the configurations. Very annoying.
I can still manually check all the failing builds to see that the tests are indeed passing which is all that really matters, but it's still something worth trying to fix. I've never seen this issue before...
Activity
embray commentedon Nov 10, 2013
It occurs to me that this has caused a great number of undeleted temp directories piling up in C:\Windows\Temp, which explains why my C:\ drive has been filling up so quickly :< Somehow I just knew that C:\Windows shouldn't be that large.
astrofrog commentedon Nov 13, 2013
I wonder whether it'd be worth trying a different version of Cython (since it's a Cython file that is causing the issue)
astrofrog commentedon Nov 13, 2013
We should consider printing out the cython version in the pytest output btw.
astrofrog commentedon Jul 11, 2014
@embray - is this still an issue?
embray commentedon Jul 11, 2014
I don't know. IIRC it usually only happened when running in Jenkins, but I haven't been maintaining my Windows Jenkins instance for a while (it was for Windows XP which is hardly worth testing anymore). I still have plans to set up a new Jenkins on Windows 7, so we'll see...
astrofrog commentedon Jun 12, 2016
I'm going to close this, since we've now moved to AppVeyor, and I've never see this error after the tests have run.