Fix interaction of custom translation classes and caching (#9042)
diff --git a/Lib/test/test_gettext.py b/Lib/test/test_gettext.py
index d667819..69ffcb7 100644
--- a/Lib/test/test_gettext.py
+++ b/Lib/test/test_gettext.py
@@ -335,6 +335,37 @@
'John Doe <jdoe@example.com>\nJane Foobar <jfoobar@example.com>')
+class DummyGNUTranslations(gettext.GNUTranslations):
+ def foo(self):
+ return 'foo'
+
+
+class GettextCacheTestCase(GettextBaseTest):
+ def test_cache(self):
+ self.localedir = os.curdir
+ self.mofile = MOFILE
+
+ self.assertEqual(len(gettext._translations), 0)
+
+ t = gettext.translation('gettext', self.localedir)
+
+ self.assertEqual(len(gettext._translations), 1)
+
+ t = gettext.translation('gettext', self.localedir,
+ class_=DummyGNUTranslations)
+
+ self.assertEqual(len(gettext._translations), 2)
+ self.assertEqual(t.__class__, DummyGNUTranslations)
+
+ # Calling it again doesn't add to the cache
+
+ t = gettext.translation('gettext', self.localedir,
+ class_=DummyGNUTranslations)
+
+ self.assertEqual(len(gettext._translations), 2)
+ self.assertEqual(t.__class__, DummyGNUTranslations)
+
+
def test_main():
support.run_unittest(__name__)