Issue #3158: Relax new doctests a bit.
Apparently, the number of objects with docstrings in builtins varies
with --with-pydebug (non-debug has one fewer).
Also, skip the new tests entirely if built --without-doc-strings.
diff --git a/Lib/test/test_doctest.py b/Lib/test/test_doctest.py
index d99a16a..5b53ca8 100644
--- a/Lib/test/test_doctest.py
+++ b/Lib/test/test_doctest.py
@@ -409,7 +409,8 @@
"""
-def test_DocTestFinder(): r"""
+class test_DocTestFinder:
+ def basics(): r"""
Unit tests for the `DocTestFinder` class.
DocTestFinder is used to extract DocTests from an object's docstring
@@ -644,6 +645,10 @@
>>> test = doctest.DocTestFinder().find(f)[0]
>>> [e.lineno for e in test.examples]
[1, 9, 12]
+"""
+
+ if int.__doc__: # simple check for --without-doc-strings, skip if lacking
+ def non_Python_modules(): r"""
Finding Doctests in Modules Not Written in Python
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -653,10 +658,10 @@
>>> import builtins
>>> tests = doctest.DocTestFinder().find(builtins)
- >>> len(tests) # how many objects checked for doctests
- 794
+ >>> 790 < len(tests) < 800 # approximate number of objects with docstrings
+ True
>>> real_tests = [t for t in tests if len(t.examples) > 0]
- >>> len(real_tests) # how many objects actually have doctests
+ >>> len(real_tests) # objects that actually have doctests
8
>>> for t in real_tests:
... print('{} {}'.format(len(t.examples), t.name))