def test_update__turn_left():
sut = set_up_sluggish_player()
# turn left
sut.key_handler.on_key_press(key.LEFT, None)
sut.update(fps_to_s(60) * 1.5)
assert sut.rotation_speed == -0.375
assert eq_within_epsilon(sut.rotation, 359.9953, 0.0001)
sut.update(fps_to_s(60) * 58.5) # finish this second
sut.key_handler.on_key_release(key.LEFT, None)
assert sut.rotation_speed == -15
assert eq_within_epsilon(sut.rotation, 352.5)
sut.update(1.0) # one second
assert sut.rotation_speed == -15
assert eq_within_epsilon(sut.rotation, 337.5)
def test_update__turn_right():
sut = set_up_sluggish_player()
# turn right
sut.key_handler.on_key_press(key.RIGHT, None)
sut.update(fps_to_s(60)) # one 60 fps frame
assert sut.rotation_speed == 0.25
assert eq_within_epsilon(sut.rotation, 0.0021, 0.0001)
sut.update(fps_to_s(60) * 59) # finish this second
sut.key_handler.on_key_release(key.RIGHT, None)
assert sut.rotation_speed == 15.0
assert eq_within_epsilon(sut.rotation, 7.5)
sut.update(1.0) # one second
assert sut.rotation_speed == 15.0
assert eq_within_epsilon(sut.rotation, 22.5)
