Add some debug output

pyfakefs/fake_pathlib.py

@@ -605,7 +605,9 @@ def __new__(cls, *args, **kwargs):
                 else FakePathlibModule.PosixPath
             )
         if sys.version_info < (3, 12):
-            return cls._from_parts(args)  # pytype: disable=attribute-error
+            ret = cls._from_parts(args)  # pytype: disable=attribute-error
+            print(f"__new__({cls}, {args}, {kwargs}) -> {ret}")
+            return ret
         else:
             return object.__new__(cls)
 
@@ -793,15 +795,23 @@ def home(cls):
         returned by os.path.expanduser('~')).
         """
         home = os.path.expanduser("~")
+        print(f"{home=}")
         if cls.filesystem.is_windows_fs != (os.name == "nt"):
             username = os.path.split(home)[1]
+            print(f"{username=}")
             if cls.filesystem.is_windows_fs:
-                home = os.path.join("C:", "Users", username)
+                home = os.path.join("C:" + os.sep, "Users", username)
             else:
                 home = os.path.join("home", username)
+            print(f"new {home=}")
             if not cls.filesystem.exists(home):
+                print(f"create {home}")
                 cls.filesystem.create_dir(home)
-        return cls(home.replace(os.sep, cls.filesystem.path_separator))
+        home = home.replace(os.sep, cls.filesystem.path_separator)
+        ret = cls(home)
+        print(f"before return: {home=}, {cls=}, {cls.__mro__=}, {ret=}")
+        print(f"{os.path.exists(home)=}, {ret.exists()=}")
+        return ret
 
     def samefile(self, other_path):
         """Return whether other_path is the same or not as this file

pyfakefs/tests/fake_filesystem_unittest_test.py

@@ -824,9 +824,7 @@ def setUp(self):
     @mock.patch.dict(os.environ, {"HOME": "/home/john"})
     def test_real_file_with_home(self):
         """Regression test for #558"""
-        self.fs.is_windows_fs = os.name != "nt"
-        if self.fs.is_windows_fs:
-            self.fs.is_macos = False
+        self.fs.os = OSType.LINUX if sys.platform == "win32" else OSType.WINDOWS
         self.fs.add_real_file(__file__)
         with open(__file__, encoding="utf8") as f:
             self.assertTrue(f.read())