def test_refresher_exit_exception(self):
"""
Tests whether the Refresher deactivates when it receives an exit exception.
"""
i = get_mock_input()
o = get_mock_output()
def get_data():
raise RefresherExitException
r = Refresher(get_data, i, o, name=r_name, refresh_interval=0.1)
#Doing what an activate() would do, but without a loop
r.to_foreground()
#Should've caught the exception and exited, since to_foreground() calls refresh()
assert r.in_foreground == False
def test_keymap_restore_on_resume(self):
"""Tests whether the Refresher re-sets the keymap upon resume."""
i = get_mock_input()
o = get_mock_output()
r = Refresher(lambda: "Hello", i, o, name=r_name, refresh_interval=0.1)
r.refresh = lambda *args, **kwargs: None
r.to_foreground()
assert i.set_keymap.called
assert i.set_keymap.call_count == 1
assert i.set_keymap.call_args[0][0] == r.keymap
r.pause()
assert i.set_keymap.call_count == 1 #paused, so count shouldn't change
i.set_keymap(None)
assert i.set_keymap.call_args[0][0] != r.keymap
r.resume()
assert i.set_keymap.call_count == 3 #one explicitly done in the test right beforehand
assert i.set_keymap.call_args[0][0] == r.keymap
def test_refresher_view(self):
text_cb = Mock()
text_cb.return_value = "Test"
monochrome_cb = Mock()
monochrome_cb.return_value = Image.new("1", (128, 64))
color_cb = Mock()
color_cb.return_value = Image.new("RGB", (128, 64))
view = RefresherView(text_cb, monochrome_cb, color_cb)
i = get_mock_input()
o = get_mock_output()
r = Refresher(view, i, o)
r.to_foreground()
r.refresh()
assert(text_cb.called)
assert(o.display_data.called)
assert(o.display_data.call_count == 2)
o = get_mock_graphical_output()
r = Refresher(view, i, o)
r.to_foreground()
r.refresh()
assert(monochrome_cb.called)
assert(o.display_image.called)
assert(o.display_image.call_count == 2)
o.type.append("color")
r = Refresher(view, i, o)
r.to_foreground()
r.refresh()
assert(color_cb.called)
assert(o.display_image.called)
assert(o.display_image.call_count == 4)
def test_pause_resume(self):
"""Tests whether the Refresher stops outputting data on the screen when it's paused,
and resumes outputting data on the screen when resumed."""
i = get_mock_input()
o = get_mock_output()
r = Refresher(lambda: "Hello", i, o, name=r_name, refresh_interval=0.1)
#refresh_interval is 0.1 so that _counter always stays 0
#and idle_loop always refreshes
#Doing what an activate() would do, but without a loop
r.to_foreground()
assert o.display_data.called
assert o.display_data.call_count == 1 #to_foreground calls refresh()
r.idle_loop()
assert o.display_data.call_count == 2 #not paused
r.pause()
r.idle_loop()
assert o.display_data.call_count == 2 #paused, so count shouldn't change
r.resume()
assert o.display_data.call_count == 3 #resume() refreshes the display
r.idle_loop()
assert o.display_data.call_count == 4 #should be refresh the display normally now