Added 3 tests for replacing Live item from service manager while display is blanked. (One for each)

tests/functional/openlp_core_ui/test_slidecontroller.py

@@ -538,6 +538,103 @@ class TestSlideController(TestCase):
         mocked_preview_widget.current_slide_number.assert_called_with()
         mocked_process_item.assert_called_once_with(mocked_item, 7)
 
+    def replace_service_manager_item_on_blank_display_test(self):
+        """
+        Test that when the service item is replaced, display remains blanked if it was blanked.
+        """
+        # GIVEN: A slide controller and a new item to add, blanked display.
+        mocked_item = MagicMock()
+        mocked_preview_widget = MagicMock()
+        mocked_preview_widget.current_slide_number = MagicMock()
+        mocked_process_item = MagicMock()
+        slide_controller = SlideController(None)
+        slide_controller.preview_widget = mocked_preview_widget
+        slide_controller._process_item = mocked_process_item
+        slide_controller.service_item = mocked_item
+        slide_controller.hide_menu = MagicMock()
+        slide_controller.hide_mode = MagicMock()
+        slide_controller.hide_mode.return_value = True
+        slide_controller.blank_screen = MagicMock()
+        slide_controller.blank_screen.isChecked = MagicMock()
+        slide_controller.blank_screen.isChecked.return_value = True
+        slide_controller.on_blank_display = mocked_item
+        slide_controller.theme_screen = MagicMock()
+        slide_controller.desktop_screen = MagicMock()
+        slide_controller.log_debug = MagicMock()
+
+        # WHEN: The service item is replaced
+        slide_controller.replace_service_manager_item(mocked_item)
+
+        # THEN: The display should remain blanked
+        slide_controller.on_blank_display.assert_called_once_with(True)
+
+    def replace_service_manager_item_on_theme_display_test(self):
+        """
+        Test that when the service item is replaced, display remains blanked if it was blanked.
+        """
+        # GIVEN: A slide controller and a new item to add, blanked display.
+        mocked_item = MagicMock()
+        mocked_preview_widget = MagicMock()
+        mocked_preview_widget.current_slide_number = MagicMock()
+        mocked_process_item = MagicMock()
+        slide_controller = SlideController(None)
+        slide_controller.preview_widget = mocked_preview_widget
+        slide_controller._process_item = mocked_process_item
+        slide_controller.service_item = mocked_item
+        slide_controller.hide_menu = MagicMock()
+        slide_controller.hide_mode = MagicMock()
+        slide_controller.hide_mode.return_value = True
+        slide_controller.blank_screen = MagicMock()
+        slide_controller.blank_screen.isChecked = MagicMock()
+        slide_controller.blank_screen.isChecked.return_value = False
+        slide_controller.theme_screen = MagicMock()
+        slide_controller.theme_screen.isChecked = MagicMock()
+        slide_controller.theme_screen.isChecked.return_value = True
+        slide_controller.on_theme_display = mocked_item
+        slide_controller.desktop_screen = MagicMock()
+        slide_controller.log_debug = MagicMock()
+
+        # WHEN: The service item is replaced
+        slide_controller.replace_service_manager_item(mocked_item)
+
+        # THEN: The display should remain blanked
+        slide_controller.on_theme_display.assert_called_once_with(True)
+
+    def replace_service_manager_item_on_hide_display_test(self):
+        """
+        Test that when the service item is replaced, display remains blanked if it was blanked.
+        """
+        # GIVEN: A slide controller and a new item to add, blanked display.
+        mocked_item = MagicMock()
+        mocked_preview_widget = MagicMock()
+        mocked_preview_widget.current_slide_number = MagicMock()
+        mocked_process_item = MagicMock()
+        slide_controller = SlideController(None)
+        slide_controller.preview_widget = mocked_preview_widget
+        slide_controller._process_item = mocked_process_item
+        slide_controller.service_item = mocked_item
+        slide_controller.hide_menu = MagicMock()
+        slide_controller.hide_mode = MagicMock()
+        slide_controller.hide_mode.return_value = True
+        slide_controller.blank_screen = MagicMock()
+        slide_controller.blank_screen.isChecked = MagicMock()
+        slide_controller.blank_screen.isChecked.return_value = False
+        slide_controller.theme_screen = MagicMock()
+        slide_controller.theme_screen.isChecked = MagicMock()
+        slide_controller.theme_screen.isChecked.return_value = False
+        slide_controller.on_theme_display = mocked_item
+        slide_controller.desktop_screen = MagicMock()
+        slide_controller.desktop_screen.isChecked = MagicMock()
+        slide_controller.desktop_screen.isChecked.return_value = True
+        slide_controller.on_hide_display = MagicMock()
+        slide_controller.log_debug = MagicMock()
+
+        # WHEN: The service item is replaced
+        slide_controller.replace_service_manager_item(mocked_item)
+
+        # THEN: The display should remain blanked
+        slide_controller.on_hide_display.assert_called_once_with(True)
+
     def on_slide_blank_test(self):
         """
         Test on_slide_blank