From: Victor Stinner <vstinner@python.org>
Date: Fri, 15 May 2026 16:33:46 +0000 (+0200)
Subject: gh-149879: Fix test_pwd on Cygwin (#149880)
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c92588efd3676685688b947ed9abe5c0cc9e7b81;p=thirdparty%2FPython%2Fcpython.git

gh-149879: Fix test_pwd on Cygwin (#149880)

On Cygwin, pwd.getpwuid(-1) returns an user ('Unknown+User').
---

diff --git a/Lib/test/test_pwd.py b/Lib/test/test_pwd.py
index aa090b464a72..d0ef30ec4930 100644
--- a/Lib/test/test_pwd.py
+++ b/Lib/test/test_pwd.py
@@ -103,9 +103,11 @@ class PwdTest(unittest.TestCase):
         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)