#9970: Flaky doctest in sage/interfaces/r.py
-----------------------+----------------------------------------------------
Reporter: mpatel | Owner: mvngu
Type: defect | Status: new
Priority: major | Milestone:
Component: doctest | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
-----------------------+----------------------------------------------------
Description changed by mpatel:
Old description:
> [http://groups.google.com/group/sage-
> release/browse_thread/thread/01a01378099b9d5e/3fe4b83c4c612663#3fe4b83c4c612663
> Dima Pasechnik reports on sage-release]:
> {{{
> Builds and tests OK on Linux amd64 (Debian unstable). Got one test
> failure:
>
> sage -t "devel/sage/sage/interfaces/r.py"
> **********************************************************************
> File
> "/usr/local/src/sage/sage-4.6.alpha1/devel/sage/sage/interfaces/r.py",
> line 1128:
> sage: tmpdir in sageobj(r.getwd())
> Expected:
> True
> Got:
> False
>
> that however would not repeat if I tested again...
> }}}
>
> I've also seen this error, on occasion. The test lines are
> {{{
> #!python
> sage: import tempfile
> sage: tmpdir = tempfile.mkdtemp()
> sage: r.chdir(tmpdir)
> sage: tmpdir in sageobj(r.getwd())
> True
> }}}
> On sage.math, I get
> {{{
> #!python
> sage: import tempfile
> sage:
> sage: fail = 0
> sage: for i in xrange(1000):
> ....: tmpdir = tempfile.mkdtemp()
> ....: r.chdir(tmpdir)
> ....: if tmpdir not in sageobj(r.getwd()):
> ....: fail += 1
> ....:
> sage: print fail
> 13
> }}}
> for example.
New description:
[http://groups.google.com/group/sage-
release/browse_thread/thread/01a01378099b9d5e/3fe4b83c4c612663#3fe4b83c4c612663
Dima Pasechnik reports on sage-release]:
{{{
Builds and tests OK on Linux amd64 (Debian unstable). Got one test
failure:
sage -t "devel/sage/sage/interfaces/r.py"
**********************************************************************
File
"/usr/local/src/sage/sage-4.6.alpha1/devel/sage/sage/interfaces/r.py",
line 1128:
sage: tmpdir in sageobj(r.getwd())
Expected:
True
Got:
False
that however would not repeat if I tested again...
}}}
I've also seen this error, on occasion. The test lines are
{{{
#!python
sage: import tempfile
sage: tmpdir = tempfile.mkdtemp()
sage: r.chdir(tmpdir)
sage: tmpdir in sageobj(r.getwd())
True
}}}
The script
{{{
#!python
import tempfile
fail = 0
for i in xrange(1000):
tmpdir = tempfile.mkdtemp()
r.chdir(tmpdir)
if tmpdir not in sageobj(r.getwd()):
fail += 1
print fail
}}}
prints 12, 11, 14, etc., when run repeatedly on sage.math.
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9970#comment:1>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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