Merge branch 'blender-v5.2-release'

tests/python/ui_simulate/test_bpy_types.py

@@ -0,0 +1,64 @@
+# SPDX-FileCopyrightText: 2026 Blender Authors
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+"""
+This file does not run anything, its methods are accessed for tests by ``run_blender_setup.py``.
+"""
+import modules.ui_test_utils as ui
+
+
+def _test_panel():
+    from bpy.types import Panel
+
+    class TEST_PT_panel(Panel):
+        bl_label = "Test Panel"
+        bl_idname = "TEST_PT_panel"
+        bl_category = 'Test Panel'
+        bl_space_type = 'TEXT_EDITOR'
+        bl_region_type = 'UI'
+
+        def draw(self, context):
+            self.layout.operator("test.operator")
+
+    return TEST_PT_panel
+
+
+def _test_operator():
+    from bpy.types import Operator
+
+    class TEST_PT_operator(Operator):
+        bl_label = "Test Operator"
+        bl_idname = "test.operator"
+        bl_category = 'Test Operator'
+
+        def execute(self, context):
+            return {'FINISHED'}
+
+    return TEST_PT_operator
+
+
+def unregister_referenced_type():
+    e, _t, _window = ui.test_window()
+
+    test_panel = _test_panel()
+    test_operator = _test_operator()
+    import bpy
+
+    bpy.utils.register_class(test_panel)
+    bpy.utils.register_class(test_operator)
+
+    yield
+
+    # Show the popup with a 'test.operator' reference
+    bpy.ops.wm.call_panel(name=test_panel.bl_idname, keep_open=True)
+
+    yield
+
+    bpy.utils.unregister_class(test_operator)
+
+    # Let popup be refreshed
+    yield
+
+    # If the reference is not removed activating the button should crash
+    yield e.ret()