def _init_display_emulated(self):
""" Enumlate a screen : write to GIF instead of physical screen"""
self._gif = ''.join(
random.choices(string.ascii_uppercase + string.digits,
k=3)) + ".gif"
self._display = gifanim(filename=self._gif,
duration=0.1,
max_frames=100,
mode="1")
def test_gifanim_max_frames():
reference = get_reference_image('anim.gif')
img = Image.open(reference)
with NamedTemporaryFile(suffix='.gif') as temp:
fname = temp.name
device = gifanim(256, 128, filename=fname, max_frames=1)
with pytest.raises(SystemExit) as ex:
device.display(img)
assert str(ex.value) == '0'
def test_gifanim_write():
with NamedTemporaryFile(suffix='.gif') as temp:
fname = temp.name
device = gifanim(filename=fname)
with canvas(device) as draw:
baseline_data.primitives(device, draw)
with canvas(device) as draw:
draw.text((30, 10), text="Blipvert", fill="white")
with canvas(device) as draw:
baseline_data.primitives(device, draw)
device.write_animation()
assert_identical('anim.gif', fname)
def test_gifanim_noimages():
with NamedTemporaryFile(suffix='.gif') as temp:
fname = temp.name
device = gifanim(filename=fname)
device.write_animation()
assert not os.path.exists(fname)