From f15aff06dceae0f0e370197f0dabf08cebaf43d5 Mon Sep 17 00:00:00 2001 From: Ran Benita Date: Sun, 14 Jan 2024 13:39:14 +0200 Subject: [PATCH] [8.0.x] Improve assert mod not in mods error message --- src/_pytest/config/__init__.py | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/_pytest/config/__init__.py b/src/_pytest/config/__init__.py index afa48b934..6a226946b 100644 --- a/src/_pytest/config/__init__.py +++ b/src/_pytest/config/__init__.py @@ -660,7 +660,12 @@ class PytestPluginManager(PluginManager): if dirpath in self._dirpath2confmods: for path, mods in self._dirpath2confmods.items(): if dirpath in path.parents or path == dirpath: - assert mod not in mods + if mod in mods: + raise AssertionError( + f"While trying to load conftest path {str(conftestpath)}, " + f"found that the module {mod} is already loaded with path {mod.__file__}. " + "This is not supposed to happen. Please report this issue to pytest." + ) mods.append(mod) self.trace(f"loading conftestmodule {mod!r}") self.consider_conftest(mod, registration_name=conftestpath_plugin_name)