Improve getscopeitem assertion message

Fix #2979
2017-11-30 07:47:00 -02:00
parent 88ed1ab648
commit 70f1e3b4b0
1 changed files with 1 additions and 1 deletions
--- a/_pytest/fixtures.py
+++ b/_pytest/fixtures.py
@@ -553,7 +553,7 @@ class FixtureRequest(FuncargnamesCompatAttr):
        if node is None and scope == "class":
            # fallback to function item itself
            node = self._pyfuncitem
-        assert node
+        assert node, 'Could not obtain a node for scope "{}" for function {!r}'.format(scope, self._pyfuncitem)
        return node

    def __repr__(self):