Fix SFTP unit test issues on Windows with 8.3 filenames

Author: ronf

asyncssh/sftp.py

@@ -7539,6 +7539,9 @@ def readlink(self, path: bytes) -> MaybeAwait[bytes]:
                 path.startswith('\\\\?\\'): # pragma: no cover
             path = path[4:]
 
+        if self._chroot:
+            path = os.path.realpath(path)
+
         return self.reverse_map_path(_from_local_path(path))
 
     def symlink(self, oldpath: bytes, newpath: bytes) -> MaybeAwait[None]:

tests/test_config.py

@@ -156,7 +156,7 @@ def test_include(self):
         with open('.ssh/include', 'w') as f:
             f.write('Port 2222')
 
-        for path in ('include', Path('.ssh/include').absolute().as_posix()):
+        for path in ('include', Path('.ssh/include').resolve().as_posix()):
             config = self._parse_config(f'Include {path}')
             self.assertEqual(config.get('Port'), 2222)
 

tests/test_sftp.py

@@ -709,7 +709,7 @@ def _check_link(self, link, target):
         if link.startswith('\\\\?\\'): # pragma: no cover
             link = link[4:]
 
-        self.assertEqual(link, target)
+        self.assertEqual(Path(link).resolve(), Path(target).resolve())
 
 
 class _TestSFTP(_CheckSFTP):