From 2861715dc470eb71917d01d5d530ba696ecbf9ec Mon Sep 17 00:00:00 2001 From: Iustin Pop Date: Sun, 13 May 2012 05:29:19 +0200 Subject: [PATCH] Extend the refcount leak tests This also exercises the str() more in general, to test/detect the py3k str() compatibility issue more easily. --- tests/test_acls.py | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) diff --git a/tests/test_acls.py b/tests/test_acls.py index 8fcd0d9..45cd0ed 100644 --- a/tests/test_acls.py +++ b/tests/test_acls.py @@ -195,6 +195,22 @@ class WriteTests(aclTest, unittest.TestCase): class ModificationTests(aclTest, unittest.TestCase): """ACL modification tests""" + def checkRef(self, obj): + """Checks if a given obj has a 'sane' refcount""" + ref_cnt = sys.getrefcount(obj) + # FIXME: hardcoded value for the max ref count... but I've + # seen it overflow on bad reference counting, so it's better + # to be safe + if ref_cnt < 2 or ref_cnt > 1024: + self.fail("Wrong reference count, expected 2-1024 and got %d" % + ref_cnt) + + def testStr(self): + """Test str() of an ACL.""" + acl = posix1e.ACL() + str_acl = str(acl) + self.checkRef(str_acl) + @has_ext(HAS_ACL_ENTRY) def testAppend(self): """Test append a new Entry to the ACL""" @@ -203,13 +219,7 @@ class ModificationTests(aclTest, unittest.TestCase): e.tag_type = posix1e.ACL_OTHER acl.calc_mask() str_format = str(e) - ref_cnt = sys.getrefcount(str_format) - # FIXME: hardcoded value for the max ref count... but I've - # seen it overflow on bad reference counting, so it's better - # to be safe - if ref_cnt < 2 or ref_cnt > 1024: - self.fail("Wrong reference count, expected 2-1024 and got %d" % - ref_cnt) + self.checkRef(str_format) @has_ext(HAS_ACL_ENTRY) def testDelete(self): @@ -284,17 +294,23 @@ class ModificationTests(aclTest, unittest.TestCase): e = acl.append() ps = e.permset ps.clear() + str_ps = str(ps) + self.checkRef(str_ps) pmap = { posix1e.ACL_READ: "read", posix1e.ACL_WRITE: "write", posix1e.ACL_EXECUTE: "execute", } for perm in pmap: + str_ps = str(ps) + self.checkRef(str_ps) self.assertFalse(ps.test(perm), "Empty permission set should not" " have permission '%s'" % pmap[perm]) ps.add(perm) self.assertTrue(ps.test(perm), "Permission '%s' should exist" " after addition" % pmap[perm]) + str_ps = str(ps) + self.checkRef(str_ps) ps.delete(perm) self.assertFalse(ps.test(perm), "Permission '%s' should not exist" " after deletion" % pmap[perm]) -- 2.39.5