def test_capture_image_should_create_an_image_handler_and_subscribe_it_to_video_processor(self, mock_camera):
cam = mock_camera.return_value
cam.shape = [300, 100]
api = ScannerAPI()
api.capture_image()
self.assertTrue(len(api.video_processor.handlers) > 0)
self.assertEquals(ImageCapture, type(api.video_processor.handlers[0][0]))
self.assertTrue(hasattr(api.video_processor.handlers[0][0], 'handle'))
def test_capture_image_should_subscribe_with_expected_callback(self, mock_camera):
cam = mock_camera.return_value
cam.shape = [300, 100]
api = ScannerAPI()
callback = Mock()
api.capture_image(callback)
self.assertTrue(len(api.video_processor.handlers) > 0)
self.assertEquals(ImageCapture, type(api.video_processor.handlers[0][0]))
self.assertEqual(api.video_processor.handlers[0][1], callback)
def test_capture_image_should_create_an_image_handler_and_subscribe_it_to_video_processor(
self, mock_camera):
cam = mock_camera.return_value
cam.shape = [300, 100]
api = ScannerAPI()
api.capture_image()
self.assertTrue(len(api.video_processor.handlers) > 0)
self.assertEquals(ImageCapture,
type(api.video_processor.handlers[0][0]))
self.assertTrue(hasattr(api.video_processor.handlers[0][0], 'handle'))
def test_capture_image_should_subscribe_with_expected_callback(
self, mock_camera):
cam = mock_camera.return_value
cam.shape = [300, 100]
api = ScannerAPI()
callback = Mock()
api.capture_image(callback)
self.assertTrue(len(api.video_processor.handlers) > 0)
self.assertEquals(ImageCapture,
type(api.video_processor.handlers[0][0]))
self.assertEqual(api.video_processor.handlers[0][1], callback)
class Goer(object):
def __init__(self):
self.api = ScannerAPI()
self.image = None
self.api.capture_image(self.callback)
def callback(self, image):
self.image = image.image
def run(self):
try:
self.api.start()
key = 'a'
while(key != 'q'):
if self.image is not None:
print('running')
cv2.imshow('frame', self.image)
key = chr(cv2.waitKey(1) & 0xFF)
finally:
cv2.destroyAllWindows()
self.api.stop()
class Goer(object):
def __init__(self):
self.api = ScannerAPI()
self.image = None
self.api.capture_image(self.callback)
def callback(self, image):
self.image = image.image
def run(self):
try:
self.api.start()
key = 'a'
while (key != 'q'):
if self.image is not None:
print('running')
cv2.imshow('frame', self.image)
key = chr(cv2.waitKey(1) & 0xFF)
finally:
cv2.destroyAllWindows()
self.api.stop()
