Give KO reactions an animated arcade overlay

desktop-client/test_fight_reactions.py

@@ -75,6 +75,24 @@ def test_reactions_work_with_chat_popout_focused(room, qtbot):
     popout.close()
 
 
+def test_arcade_ko_covers_video_then_restores_strip(room, qtbot):
+    room.activateWindow()
+    qtbot.wait(30)
+    room.handle_fight_reaction({'kind': 'ko', 'position': 0})
+    overlay = room.ringside_strip
+    assert overlay.size() == room.video_frame.size()
+    assert overlay.panel.isHidden()
+    assert not overlay.ko_canvas.isHidden()
+    assert overlay.ko_animation.state() == overlay.ko_animation.State.Running
+    room.handle_fight_reaction({'kind': 'bell', 'position': 0})
+    assert overlay.ko_canvas.isHidden()
+    assert not overlay.panel.isHidden()
+    assert overlay.width() <= 540
+    assert overlay.height() < room.video_frame.height()
+    room.cleanup()
+    assert overlay.ko_animation.state() == overlay.ko_animation.State.Stopped
+
+
 def test_sound_is_enabled_by_default_and_background_effects_are_suppressed(room, qtbot, monkeypatch):
     play = Mock()
     monkeypatch.setattr(room, '_play_reaction_sound', play)