better tests + formatting

src/databricks/labs/blueprint/paths.py

@@ -520,16 +520,17 @@ def resolve(self: P, strict: bool = False) -> P:
         if strict and not absolute.exists():
             msg = f"Path does not exist: {self}"
             raise FileNotFoundError(msg)
-        return absolute._normalize()
+        return absolute.normalize()
 
-    def _normalize(self) -> P:
+    def normalize(self: P) -> P:
         for index, part in enumerate(self._path_parts):
-            if part != '..':
+            # we can't normalize '/../stuff' so let's ignore such scenarios
+            if index == 0 or part != "..":
                 continue
             segments = list(self._path_parts)
             segments.pop(index)
             segments.pop(index - 1)
-            return self.with_segments(self.anchor, *segments)._normalize()
+            return self.with_segments(self.anchor, *segments).normalize()
         return self
 
     def absolute(self: P) -> P:

tests/integration/test_paths.py

@@ -191,10 +191,11 @@ def test_replace_file(ws, make_random, cls):
         tmp_dir.rmdir(recursive=True)
 
 
-def test_resolve_is_consistent(ws):
-    path = WorkspacePath(ws, "/a/b/c") / Path("../../d")
+@pytest.mark.parametrize("cls", DATABRICKS_PATHLIKE)
+def test_resolve_is_consistent(ws, cls):
+    path = cls(ws, "/a/b/c") / Path("../../d")
     resolved = path.resolve()
-    assert resolved == WorkspacePath(ws,"/a/d")
+    assert resolved == cls(ws, "/a/d")
 
 
 def test_workspace_as_fuse(ws):