def test_left_key_returns_none(self):
""" A GridMenu is never supposed to return anything other than None"""
num_elements = 3
contents = [["A" + str(i), "a" + str(i)] for i in range(num_elements)]
mu = GridMenu(contents, get_mock_input(), get_mock_graphical_output(), name=mu_name, config={})
mu.refresh = lambda *args, **kwargs: None
# Checking at the start of the list
def scenario():
mu.deactivate() # KEY_LEFT
assert not mu.is_active
with patch.object(mu, 'idle_loop', side_effect=scenario) as p:
return_value = mu.activate()
assert return_value is None
# Checking at the end of the list
def scenario():
for i in range(num_elements):
mu.move_down() # KEY_DOWN x3
mu.deactivate() # KEY_LEFT
assert not mu.is_active
with patch.object(mu, 'idle_loop', side_effect=scenario) as p:
return_value = mu.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)]
mu = GridMenu(contents, get_mock_input(), get_mock_graphical_output(), name=mu_name, config={})
mu.refresh = lambda *args, **kwargs: None
# Checking at other elements - shouldn't return
def scenario():
mu.select_entry() # KEY_ENTER
assert mu.is_active # Should still be active
mu.deactivate() # because is not deactivated yet and would idle loop otherwise
with patch.object(mu, 'idle_loop', side_effect=scenario) as p:
return_value = mu.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):
mu.move_down() # KEY_DOWN x3
mu.select_entry() # KEY_ENTER
assert not mu.is_active
with patch.object(mu, 'idle_loop', side_effect=scenario) as p:
return_value = mu.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 test_left_key_disabled_when_not_exitable(self):
"""Tests whether a menu does not exit on KEY_LEFT when exitable is set to False"""
num_elements = 3
contents = [["A" + str(i), "a" + str(i)] for i in range(num_elements)]
mu = GridMenu(contents, get_mock_input(), get_mock_graphical_output(), name=mu_name, exitable=False, config={})
mu.refresh = lambda *args, **kwargs: None
def scenario():
assert "KEY_LEFT" not in mu.keymap
mu.deactivate()
assert not mu.is_active
with patch.object(mu, 'idle_loop', side_effect=scenario) as p:
mu.activate()