adjustments for failing tests

Author: BSd3v

dash/_pages.py

@@ -390,8 +390,8 @@ def _path_to_page(path_id):
 
 
 def _page_meta_tags(app, request):
-    request_url = request.get_path()
-    start_page, path_variables = _path_to_page(request_url.strip("/"))
+    request_path = request.get_path()
+    start_page, path_variables = _path_to_page(request_path.strip("/"))
 
     image = start_page.get("image", "")
     if image:

dash/_utils.py

@@ -104,6 +104,11 @@ def set_read_only(self, names, msg="Attribute is read-only"):
         else:
             object.__setattr__(self, "_read_only", new_read_only)
 
+    def unset_read_only(self, keys):
+        if hasattr(self, "_read_only"):
+            for key in keys:
+                self._read_only.pop(key, None)
+
     def finalize(self, msg="Object is final: No new keys may be added."):
         """Prevent any new keys being set."""
         object.__setattr__(self, "_final", msg)

dash/dash.py

@@ -565,6 +565,8 @@ def __init__(  # pylint: disable=too-many-statements, too-many-branches
                         f"Conflict between provided backend '{backend}' and server type '{inferred_backend}'."
                     )
             backend_cls = get_backend(inferred_backend)
+            if name is None:
+                caller_name = getattr(server, "name", caller_name)
             self.backend = backend_cls()
             self.server = server
         else:
@@ -700,6 +702,9 @@ def __init__(  # pylint: disable=too-many-statements, too-many-branches
         # tracks internally if a function already handled at least one request.
         self._got_first_request = {"pages": False, "setup_server": False}
 
+        if self.server is not None:
+            self.init_app()
+
         self.logger.setLevel(logging.INFO)
 
         if self.__class__.__name__ == "JupyterDash":
@@ -743,6 +748,11 @@ def _setup_hooks(self):
 
     def init_app(self, app: Optional[Any] = None, **kwargs) -> None:
         config = self.config
+        config.unset_read_only([
+            "url_base_pathname",
+            "routes_pathname_prefix",
+            "requests_pathname_prefix",
+        ])
         config.update(kwargs)
         config.set_read_only(
             [

tests/integration/multi_page/test_pages_layout.py

@@ -3,6 +3,7 @@
 from dash import Dash, Input, State, dcc, html, Output
 from dash.dash import _ID_LOCATION
 from dash.exceptions import NoLayoutException
+from dash.testing.wait import until
 
 
 def get_app(path1="/", path2="/layout2"):
@@ -57,7 +58,7 @@ def test_pala001_layout(dash_duo, clear_pages_state):
     for page in dash.page_registry.values():
         dash_duo.find_element("#" + page["id"]).click()
         dash_duo.wait_for_text_to_equal("#text_" + page["id"], "text for " + page["id"])
-        assert dash_duo.driver.title == page["title"], "check that page title updates"
+        until(lambda: dash_duo.driver.title == page["title"], timeout=3)
 
     # test redirects
     dash_duo.wait_for_page(url=f"{dash_duo.server_url}/v2")