[Python-checkins] cpython (3.5): Issue #27528: Document and test warning messages must match at beginning
martin.panter
python-checkins at python.org
Mon Jul 18 22:51:15 EDT 2016
https://hg.python.org/cpython/rev/7571432200a2
changeset: 102402:7571432200a2
branch: 3.5
parent: 102399:6cf4386de3cc
user: Martin Panter <vadmium+py at gmail.com>
date: Tue Jul 19 02:26:38 2016 +0000
summary:
Issue #27528: Document and test warning messages must match at beginning
files:
Doc/library/warnings.rst | 7 ++++---
Lib/test/test_warnings/__init__.py | 12 ++++++++++++
2 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/Doc/library/warnings.rst b/Doc/library/warnings.rst
--- a/Doc/library/warnings.rst
+++ b/Doc/library/warnings.rst
@@ -141,14 +141,15 @@
| | warnings, regardless of location |
+---------------+----------------------------------------------+
-* *message* is a string containing a regular expression that the warning message
- must match (the match is compiled to always be case-insensitive).
+* *message* is a string containing a regular expression that the start of
+ the warning message must match. The expression is compiled to always be
+ case-insensitive.
* *category* is a class (a subclass of :exc:`Warning`) of which the warning
category must be a subclass in order to match.
* *module* is a string containing a regular expression that the module name must
- match (the match is compiled to be case-sensitive).
+ match. The expression is compiled to be case-sensitive.
* *lineno* is an integer that the line number where the warning occurred must
match, or ``0`` to match all line numbers.
diff --git a/Lib/test/test_warnings/__init__.py b/Lib/test/test_warnings/__init__.py
--- a/Lib/test/test_warnings/__init__.py
+++ b/Lib/test/test_warnings/__init__.py
@@ -261,6 +261,18 @@
self.assertEqual(str(w[-1].message), text)
self.assertTrue(w[-1].category is UserWarning)
+ def test_message_matching(self):
+ with original_warnings.catch_warnings(record=True,
+ module=self.module) as w:
+ self.module.simplefilter("ignore", UserWarning)
+ self.module.filterwarnings("error", "match", UserWarning)
+ self.assertRaises(UserWarning, self.module.warn, "match")
+ self.assertRaises(UserWarning, self.module.warn, "match prefix")
+ self.module.warn("suffix match")
+ self.assertEqual(w, [])
+ self.module.warn("something completely different")
+ self.assertEqual(w, [])
+
def test_mutate_filter_list(self):
class X:
def match(self, a):
--
Repository URL: https://hg.python.org/cpython
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