Add a test showing that class attrs are immutable

PyO3 · May 6, 2020 · 9333c61 · 9333c61
1 parent c41402d
commit 9333c61
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/tests/test_class_attributes.rs b/tests/test_class_attributes.rs
@@ -27,3 +27,11 @@ fn class_attributes() {
     py_assert!(py, typeobj, "typeobj.foo == 5");
     py_assert!(py, typeobj, "typeobj.BAR == 'bar'");
 }
+
+#[test]
+fn class_attributes_are_immutable() {
+    let gil = Python::acquire_gil();
+    let py = gil.python();
+    let typeobj = py.get_type::<Foo>();
+    py_expect_exception!(py, typeobj, "typeobj.foo = 6", TypeError);
+}