def test_left_key_returns_none(self):
num_elements = 3
contents = [["A" + str(i), "a" + str(i)] for i in range(num_elements)]
cb = Checkbox(contents,
get_mock_input(),
get_mock_output(),
name=cb_name,
config={})
cb.refresh = lambda *args, **kwargs: None
# Checking at the start of the list
def scenario():
cb.deactivate() # KEY_LEFT
assert not cb.in_foreground
with patch.object(cb, 'idle_loop', side_effect=scenario) as p:
return_value = cb.activate()
assert return_value is None
# Checking at the end of the list
def scenario():
for i in range(num_elements):
cb.move_down() # KEY_DOWN x3
cb.deactivate() # KEY_LEFT
assert not cb.in_foreground
with patch.object(cb, 'idle_loop', side_effect=scenario) as p:
return_value = cb.activate()
assert return_value is None
def test_enter_on_last_returns_right(self):
num_elements = 3
contents = [["A" + str(i), "a" + str(i)] for i in range(num_elements)]
cb = Checkbox(contents,
get_mock_input(),
get_mock_output(),
name=cb_name,
config={})
cb.refresh = lambda *args, **kwargs: None
# Checking at other elements - shouldn't return
def scenario():
cb.select_entry() # KEY_ENTER
assert cb.in_foreground # Should still be active
cb.deactivate(
) # because is not deactivated yet and would idle loop otherwise
with patch.object(cb, 'idle_loop', side_effect=scenario) as p:
return_value = cb.activate()
assert return_value is None
# Scrolling to the end of the list and pressing Enter - should return a correct dict
def scenario():
for i in range(num_elements):
cb.move_down() # KEY_DOWN x3
cb.select_entry() # KEY_ENTER
assert not cb.in_foreground
with patch.object(cb, 'idle_loop', side_effect=scenario) as p:
return_value = cb.activate()
assert isinstance(return_value, dict)
assert all(
[isinstance(key, basestring) for key in return_value.keys()])
assert all(
[isinstance(value, bool) for value in return_value.values()])
def shows_data_on_screen_runner(self, contents):
i = get_mock_input()
o = get_mock_output()
cb = Checkbox(contents, i, o, name=cb_name, config={})
def scenario():
cb.deactivate()
with patch.object(cb, 'idle_loop', side_effect=scenario) as p:
cb.activate()
#The scenario should only be called once
assert cb.idle_loop.called
assert cb.idle_loop.call_count == 1
assert o.display_data.called
assert o.display_data.call_count == 1 #One in to_foreground
assert o.display_data.call_args[0] == (' A0', ' A1', ' A2', ' Accept')
def test_shows_data_on_screen(self):
"""Tests whether the Checkbox outputs data on screen when it's ran"""
num_elements = 3
contents = [["A" + str(i), "a" + str(i)] for i in range(num_elements)]
i = get_mock_input()
o = get_mock_output()
cb = Checkbox(contents, i, o, name=cb_name, config={})
def scenario():
cb.deactivate()
with patch.object(cb, 'idle_loop', side_effect=scenario) as p:
cb.activate()
#The scenario should only be called once
assert cb.idle_loop.called
assert cb.idle_loop.call_count == 1
assert o.display_data.called
assert o.display_data.call_count == 1 #One in to_foreground
assert o.display_data.call_args[0] == (' A0', ' A1', ' A2', ' Accept')
def graphical_display_redraw_runner(self, contents):
o = get_mock_graphical_output()
cb = Checkbox(contents, get_mock_input(), o, name=cb_name, config={})
Canvas.fonts_dir = fonts_dir
# Exiting immediately, but we should get at least one redraw
def scenario():
cb.deactivate() # KEY_LEFT
assert not cb.in_foreground
with patch.object(cb, 'idle_loop', side_effect=scenario) as p:
return_value = cb.activate()
assert o.display_image.called
assert o.display_image.call_count == 1 #One in to_foreground