add a test on the behavior of class attributes (#719)

holoviz · Mar 16, 2023 · bfbde8b · bfbde8b
1 parent a85f8b1
commit bfbde8b
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/tests/API1/testparameterizedobject.py b/tests/API1/testparameterizedobject.py
@@ -797,3 +797,19 @@ class B(A):
     b = B()
 
     assert b.param.p.allow_None is True
+
+
+def test_inheritance_class_attribute_behavior():
+    class A(param.Parameterized):
+        p = param.Parameter(1)
+
+    class B(A):
+        p = param.Parameter()
+
+    assert B.p == 1
+
+    A.p = 2
+
+    # Should be 2?
+    # https://github.com/holoviz/param/issues/718
+    assert B.p == 1