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bpo-28249: fix lineno location for empty DocTest instances (GH-30498)

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Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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Nikita Sobolev 2022-05-19 18:46:15 +03:00 • committed by GitHub
parent 09be18a73d
commit 8db2b3b687
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4 changed files with 83 additions and 6 deletions
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23
Lib/test/test_doctest.py
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@ -25,6 +25,7 @@ if not support.has_subprocess_support:
# NOTE: There are some additional tests relating to interaction with
# zipimport in the test_zipimport_support test module.
# There are also related tests in `test_doctest2` module.
######################################################################
## Sample Objects (used by test cases)
@ -460,7 +461,7 @@ We'll simulate a __file__ attr that ends in pyc:
>>> tests = finder.find(sample_func)
>>> print(tests) # doctest: +ELLIPSIS
[<DocTest sample_func from test_doctest.py:33 (1 example)>]
[<DocTest sample_func from test_doctest.py:34 (1 example)>]
The exact name depends on how test_doctest was invoked, so allow for
leading path components.
@ -642,6 +643,26 @@ displays.
1 SampleClass.double
1 SampleClass.get
When used with `exclude_empty=False` we are also interested in line numbers
of doctests that are empty.
It used to be broken for quite some time until `bpo-28249`.
>>> from test import doctest_lineno
>>> tests = doctest.DocTestFinder(exclude_empty=False).find(doctest_lineno)
>>> for t in tests:
... print('%5s %s' % (t.lineno, t.name))
None test.doctest_lineno
22 test.doctest_lineno.ClassWithDocstring
30 test.doctest_lineno.ClassWithDoctest
None test.doctest_lineno.ClassWithoutDocstring
None test.doctest_lineno.MethodWrapper
39 test.doctest_lineno.MethodWrapper.method_with_docstring
45 test.doctest_lineno.MethodWrapper.method_with_doctest
None test.doctest_lineno.MethodWrapper.method_without_docstring
4 test.doctest_lineno.func_with_docstring
12 test.doctest_lineno.func_with_doctest
None test.doctest_lineno.func_without_docstring
Turning off Recursion
~~~~~~~~~~~~~~~~~~~~~
DocTestFinder can be told not to look for tests in contained objects