def test_delete_command_execute():
canvas = Mock(spec=Canvas)
command = DeleteCommand(lambda: canvas)
x1, y1 = 42, 69
target_point = Point(x1, y1)
command.execute(x1, y1)
canvas.delete.assert_called_once_with(target_point)
def get_routes():
"""
This function contains the dictionary of possible commands.
:return: `dict` of possible commands, with the format: `name -> class`
"""
# Dynamic load:
# def class_filter(klass):
# return inspect.isclass(klass) \
# and klass.__module__ == BaseCommand.__module__ \
# and issubclass(klass, BaseCommand) \
# and klass is not BaseCommand
#
# routes = inspect.getmembers(
# sys.modules[BaseCommand.__module__],
# class_filter
# )
# return dict((route.label(), route) for _, route in routes)
return {
ListCommand.label(): ListCommand,
NewCommand.label(): NewCommand,
DoneCommand.label(): DoneCommand,
UndoneCommand.label(): UndoneCommand,
DeleteCommand.label(): DeleteCommand,
ExitCommand.label(): ExitCommand,
}
def _create_commands_dictionary():
def assign_canvas_fn(new_canvas):
#pylint: disable=missing-docstring
global canvas
canvas = new_canvas
return {
'C': CreateCanvasCommand(assign_canvas_fn),
'L': DrawLineCommand(lambda: canvas),
'R': DrawRectangleCommand(lambda: canvas),
'B': BucketFillCommand(lambda: canvas),
'D': DeleteCommand(lambda: canvas),
'U': UndoCommand(lambda: canvas),
'Q': ExitCommand()
}
def parse_user_input():
"""
Gets the user input.
:return: `str` with the user input.
"""
input_function = input
message = 'Input your command: (%s): ' % '|'.join(
{
ListCommand.label(): ListCommand,
NewCommand.label(): NewCommand,
DoneCommand.label(): DoneCommand,
UndoneCommand.label(): UndoneCommand,
DeleteCommand.label(): DeleteCommand,
ExitCommand.label(): ExitCommand,
}.keys())
return input_function(message)
def test_delete_command_execute_with_incorrect_nb_args():
canvas = Mock(spec=Canvas)
command = DeleteCommand(lambda: canvas)
with pytest.raises(ValueError) as ex:
command.execute([1])
assert str(ex.value) == "2 arguments expected (x, y)"