Update mailbox.Maildir tests
Remove a sleep to fix transient test failures. Use skewfactor of -3 to
make it work on systems that have 1 second precision for time.time().
Closes #11999
Refs #13254
diff --git a/Lib/test/test_mailbox.py b/Lib/test/test_mailbox.py
index 97d3047..75e0a8d 100644
--- a/Lib/test/test_mailbox.py
+++ b/Lib/test/test_mailbox.py
@@ -697,7 +697,7 @@
# skew factor to make _refresh think that the filesystem
# safety period has passed and re-reading the _toc is only
# required if mtimes differ.
- self._box._skewfactor = -2
+ self._box._skewfactor = -3
self._box._refresh()
self.assertEqual(sorted(self._box._toc.keys()), sorted([key0, key1]))
@@ -790,7 +790,12 @@
# refresh is done unconditionally if called for within
# two-second-plus-a-bit of the last one, just in case the mbox has
# changed; so now we have to wait for that interval to expire.
- time.sleep(2.01 + self._box._skewfactor)
+ #
+ # Because this is a test, emulate sleeping. Instead of
+ # sleeping for 2 seconds, use the skew factor to make _refresh
+ # think that 2 seconds have passed and re-reading the _toc is
+ # only required if mtimes differ.
+ self._box._skewfactor = -3
# Re-reading causes the ._toc attribute to be assigned a new dictionary
# object, so we'll check that the ._toc attribute isn't a different
@@ -803,7 +808,8 @@
self.assertFalse(refreshed())
# Now, write something into cur and remove it. This changes
- # the mtime and should cause a re-read.
+ # the mtime and should cause a re-read. Note that "sleep
+ # emulation" is still in effect, as skewfactor is -3.
filename = os.path.join(self._path, 'cur', 'stray-file')
f = open(filename, 'w')
f.close()