gh-118507 : Refactor `nt._path_is*` to improve applicability for other cases (GH-118755)

(cherry picked from commit b64182550f73e556344bd754d32e3be5d22a74e1)

Co-authored-by: Nice Zombies <nineteendo19d0@gmail.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/Lib/test/test_ntpath.py b/Lib/test/test_ntpath.py
index 7f91bf1..9aa1166 100644
--- a/Lib/test/test_ntpath.py
+++ b/Lib/test/test_ntpath.py
@@ -1095,6 +1095,27 @@ class TestNtpath(NtpathTestCase):
             raise unittest.SkipTest('SystemDrive is not defined or malformed')
         self.assertFalse(os.path.isfile('\\\\.\\' + drive))
 
+    @unittest.skipUnless(hasattr(os, 'pipe'), "need os.pipe()")
+    def test_isfile_anonymous_pipe(self):
+        pr, pw = os.pipe()
+        try:
+            self.assertFalse(ntpath.isfile(pr))
+        finally:
+            os.close(pr)
+            os.close(pw)
+
+    @unittest.skipIf(sys.platform != 'win32', "windows only")
+    def test_isfile_named_pipe(self):
+        import _winapi
+        named_pipe = f'//./PIPE/python_isfile_test_{os.getpid()}'
+        h = _winapi.CreateNamedPipe(named_pipe,
+                                    _winapi.PIPE_ACCESS_INBOUND,
+                                    0, 1, 0, 0, 0, 0)
+        try:
+            self.assertFalse(ntpath.isfile(named_pipe))
+        finally:
+            _winapi.CloseHandle(h)
+
     @unittest.skipIf(sys.platform != 'win32', "windows only")
     def test_con_device(self):
         self.assertFalse(os.path.isfile(r"\\.\CON"))
@@ -1114,8 +1135,12 @@ class TestNtpath(NtpathTestCase):
         self.assertFalse(inspect.isfunction(os.path.isfile))
         self.assertTrue(os.path.islink is nt._path_islink)
         self.assertFalse(inspect.isfunction(os.path.islink))
+        self.assertTrue(os.path.isjunction is nt._path_isjunction)
+        self.assertFalse(inspect.isfunction(os.path.isjunction))
         self.assertTrue(os.path.exists is nt._path_exists)
         self.assertFalse(inspect.isfunction(os.path.exists))
+        self.assertTrue(os.path.lexists is nt._path_lexists)
+        self.assertFalse(inspect.isfunction(os.path.lexists))
 
     @unittest.skipIf(os.name != 'nt', "Dev Drives only exist on Win32")
     def test_isdevdrive(self):