#9925: Doctest error in sage/graphs/graph.py
-----------------------+----------------------------------------------------
Reporter: mpatel | Owner: mvngu
Type: defect | Status: new
Priority: blocker | Milestone: sage-4.6
Component: doctest | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
-----------------------+----------------------------------------------------
Old description:
> I get this doctest error with a trial 4.6.alpha1 on sage.math and many
> other Sage cluster and Skynet machines:
> {{{
> #!python
> sage -t -long devel/sage/sage/graphs/graph.py
> **********************************************************************
> File "/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/devel/sage-
> main/sage/graphs/graph.py", line 1347:
> sage: cycle.order() % 2 == 0
> Exception raised:
> Traceback (most recent call last):
> File
> "/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/local/bin/ncadoctest.py",
> line 1231, in run_one_test
> self.run_one_example(test, example, filename, compileflags)
> File
> "/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/local/bin/sagedoctest.py",
> line 38, in run_one_example
> OrigDocTestRunner.run_one_example(self, test, example, filename,
> compileflags)
> File
> "/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/local/bin/ncadoctest.py",
> line 1172, in run_one_example
> compileflags, 1) in test.globs
> File "<doctest __main__.example_6[9]>", line 1, in <module>
> cycle.order() % Integer(2) == Integer(0)###line 1347:
> sage: cycle.order() % 2 == 0
> AttributeError: 'bool' object has no attribute 'order'
> **********************************************************************
> File "/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/devel/sage-
> main/sage/graphs/graph.py", line 1349:
> sage: cycle.is_isomorphic(graphs.CycleGraph(cycle.order()))
> Exception raised:
> Traceback (most recent call last):
> File
> "/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/local/bin/ncadoctest.py",
> line 1231, in run_one_test
> self.run_one_example(test, example, filename, compileflags)
> File
> "/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/local/bin/sagedoctest.py",
> line 38, in run_one_example
> OrigDocTestRunner.run_one_example(self, test, example, filename,
> compileflags)
> File
> "/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/local/bin/ncadoctest.py",
> line 1172, in run_one_example
> compileflags, 1) in test.globs
> File "<doctest __main__.example_6[10]>", line 1, in <module>
> cycle.is_isomorphic(graphs.CycleGraph(cycle.order()))###line
> 1349:
> sage: cycle.is_isomorphic(graphs.CycleGraph(cycle.order()))
> AttributeError: 'bool' object has no attribute 'is_isomorphic'
> **********************************************************************
> }}}
New description:
I've seen this doctest error with a trial 4.6.alpha1 on sage.math and the
Skynet machine cicero (x86-Linux-pentium4-fc):
{{{
#!python
sage -t -long devel/sage/sage/graphs/graph.py
**********************************************************************
File "/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/devel/sage-
main/sage/graphs/graph.py", line 1347:
sage: cycle.order() % 2 == 0
Exception raised:
Traceback (most recent call last):
File
"/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/local/bin/ncadoctest.py",
line 1231, in run_one_test
self.run_one_example(test, example, filename, compileflags)
File
"/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/local/bin/sagedoctest.py",
line 38, in run_one_example
OrigDocTestRunner.run_one_example(self, test, example, filename,
compileflags)
File
"/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/local/bin/ncadoctest.py",
line 1172, in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_6[9]>", line 1, in <module>
cycle.order() % Integer(2) == Integer(0)###line 1347:
sage: cycle.order() % 2 == 0
AttributeError: 'bool' object has no attribute 'order'
**********************************************************************
File "/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/devel/sage-
main/sage/graphs/graph.py", line 1349:
sage: cycle.is_isomorphic(graphs.CycleGraph(cycle.order()))
Exception raised:
Traceback (most recent call last):
File
"/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/local/bin/ncadoctest.py",
line 1231, in run_one_test
self.run_one_example(test, example, filename, compileflags)
File
"/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/local/bin/sagedoctest.py",
line 38, in run_one_example
OrigDocTestRunner.run_one_example(self, test, example, filename,
compileflags)
File
"/mnt/usb1/scratch/mpatel/tmp/sage-4.6.alpha1/local/bin/ncadoctest.py",
line 1172, in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_6[10]>", line 1, in <module>
cycle.is_isomorphic(graphs.CycleGraph(cycle.order()))###line 1349:
sage: cycle.is_isomorphic(graphs.CycleGraph(cycle.order()))
AttributeError: 'bool' object has no attribute 'is_isomorphic'
**********************************************************************
}}}
--
Comment(by mpatel):
Oops. You're right. I confused this with a different error. I got error
above only on sage.math and cicero.skynet (x86-Linux-pentium4-fc) and it's
not reproducible.
I apologize for the noise. Does anyone know why this test might be
"flaky"?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9925#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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