Fix UPath.as_uri() (#133)

* tests: add uri test

* upath: fix as_uri

upath/core.py

@@ -722,6 +722,9 @@ def parents(self) -> _UPathParents:
         """A sequence of this upath's logical parents."""
         return _UPathParents(self)
 
+    def as_uri(self) -> str:
+        return str(self)
+
 
 class _UPathParents(Sequence[UPath]):
     """This object provides sequence-like access to the logical ancestors

upath/tests/cases.py

@@ -408,4 +408,11 @@ def test_private_url_attr_in_sync(self):
         p1 = self.path.joinpath("c")
         p2 = self.path / "c"
         assert p1._url == p2._url
-        assert p1 != p._url
+        assert p1._url != p._url
+
+    def test_as_uri(self):
+        # test that we can reconstruct the path from the uri
+        p0 = self.path
+        uri = p0.as_uri()
+        p1 = UPath(uri, **p0.fs.storage_options)
+        assert p0 == p1