diff options
Diffstat (limited to 'Lib/test/test_email/test_email.py')
| -rw-r--r-- | Lib/test/test_email/test_email.py | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/Lib/test/test_email/test_email.py b/Lib/test/test_email/test_email.py index b627760..d7e3dca 100644 --- a/Lib/test/test_email/test_email.py +++ b/Lib/test/test_email/test_email.py @@ -11,6 +11,10 @@ import textwrap from io import StringIO, BytesIO from itertools import chain from random import choice +try: + from threading import Thread +except ImportError: + from dummy_threading import Thread import email import email.policy @@ -34,7 +38,7 @@ from email import iterators from email import base64mime from email import quoprimime -from test.support import unlink +from test.support import unlink, start_threads from test.test_email import openfile, TestEmailBase # These imports are documented to work, but we are testing them using a @@ -3167,6 +3171,25 @@ Foo addrs = utils.getaddresses(['User ((nested comment)) <foo@bar.com>']) eq(addrs[0][1], 'foo@bar.com') + def test_make_msgid_collisions(self): + # Test make_msgid uniqueness, even with multiple threads + class MsgidsThread(Thread): + def run(self): + # generate msgids for 3 seconds + self.msgids = [] + append = self.msgids.append + make_msgid = utils.make_msgid + clock = time.clock + tfin = clock() + 3.0 + while clock() < tfin: + append(make_msgid(domain='testdomain-string')) + + threads = [MsgidsThread() for i in range(5)] + with start_threads(threads): + pass + all_ids = sum([t.msgids for t in threads], []) + self.assertEqual(len(set(all_ids)), len(all_ids)) + def test_utils_quote_unquote(self): eq = self.assertEqual msg = Message() |