diff options
Diffstat (limited to 'Lib/test/test_tools/test_unparse.py')
| -rw-r--r-- | Lib/test/test_tools/test_unparse.py | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/Lib/test/test_tools/test_unparse.py b/Lib/test/test_tools/test_unparse.py index 65dee1b5ae..bab49df331 100644 --- a/Lib/test/test_tools/test_unparse.py +++ b/Lib/test/test_tools/test_unparse.py @@ -263,12 +263,14 @@ class UnparseTestCase(ASTTestCase): class DirectoryTestCase(ASTTestCase): """Test roundtrip behaviour on all files in Lib and Lib/test.""" + NAMES = None # test directories, relative to the root of the distribution test_directories = 'Lib', os.path.join('Lib', 'test') - def test_files(self): - # get names of files to test + def get_names(self): + if DirectoryTestCase.NAMES is not None: + return DirectoryTestCase.NAMES names = [] for d in self.test_directories: @@ -280,6 +282,15 @@ class DirectoryTestCase(ASTTestCase): # Test limited subset of files unless the 'cpu' resource is specified. if not test.support.is_resource_enabled("cpu"): names = random.sample(names, 10) + # bpo-31174: Store the names sample to always test the same files. + # It prevents false alarms when hunting reference leaks. + DirectoryTestCase.NAMES = names + + return names + + def test_files(self): + # get names of files to test + names = self.get_names() for filename in names: if test.support.verbose: |