From 5b4c925ef39f5d7b9d377f7783d25c5317a2f8f1 Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Fri, 15 May 2026 15:13:20 +0200 Subject: [PATCH] gh-149879: Fix test_pwd on Cygwin On Cygwin, pwd.getpwuid(-1) returns an user ('Unknown+User'). --- Lib/test/test_pwd.py | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/Lib/test/test_pwd.py b/Lib/test/test_pwd.py index aa090b464a72222..d0ef30ec4930843 100644 --- a/Lib/test/test_pwd.py +++ b/Lib/test/test_pwd.py @@ -103,9 +103,11 @@ def test_errors(self): self.assertNotIn(fakeuid, byuids) self.assertRaises(KeyError, pwd.getpwuid, fakeuid) - # -1 shouldn't be a valid uid because it has a special meaning in many - # uid-related functions - self.assertRaises(KeyError, pwd.getpwuid, -1) + # On Cygwin, getpwuid(-1) returns 'Unknown+User' user + if sys.platform != 'cygwin': + # -1 shouldn't be a valid uid because it has a special meaning in many + # uid-related functions + self.assertRaises(KeyError, pwd.getpwuid, -1) # should be out of uid_t range self.assertRaises(KeyError, pwd.getpwuid, 2**128) self.assertRaises(KeyError, pwd.getpwuid, -2**128)