def test_toggle_display_show(self):
"""
Check that the toggle_display('show') method calls all the on_X_display() methods
"""
# GIVEN: A new SlideController instance.
mocked_on_blank_display = MagicMock()
mocked_on_theme_display = MagicMock()
mocked_on_hide_display = MagicMock()
slide_controller = SlideController(None)
slide_controller.on_blank_display = mocked_on_blank_display
slide_controller.on_theme_display = mocked_on_theme_display
slide_controller.on_hide_display = mocked_on_hide_display
# WHEN: toggle_display() is called with an argument of "show"
slide_controller.toggle_display('show')
# THEN: All the on_X_display() methods should have been called with an argument of False
mocked_on_blank_display.assert_called_once_with(False)
mocked_on_theme_display.assert_called_once_with(False)
mocked_on_hide_display.assert_called_once_with(False)
def test_toggle_display_desktop(self):
"""
Check that the toggle_display('desktop') method calls the on_hide_display() method
"""
# GIVEN: A new SlideController instance.
mocked_on_blank_display = MagicMock()
mocked_on_theme_display = MagicMock()
mocked_on_hide_display = MagicMock()
slide_controller = SlideController(None)
slide_controller.on_blank_display = mocked_on_blank_display
slide_controller.on_theme_display = mocked_on_theme_display
slide_controller.on_hide_display = mocked_on_hide_display
# WHEN: toggle_display() is called with an argument of "desktop"
slide_controller.toggle_display('desktop')
# THEN: Only on_hide_display() should have been called with an argument of True
mocked_on_hide_display.assert_called_once_with(True)
assert 0 == mocked_on_blank_display.call_count, 'on_blank_display should not have been called'
assert 0 == mocked_on_theme_display.call_count, 'on_theme_display should not have been called'
