def test_stop_pir_ready_not_enabled():
"""
Tests that stopping the thread also works if the PIR signalled to be ready,
but the camera was not enabled yet.
"""
with LogCapture(names='berry_cam.threads.image_capturing') as log:
with TemporaryDirectory() as tmpdir:
GPIO.set_input(23, 0)
image_capturing = ImageCapturing(GPIO.BCM, GPIO_PIN, tmpdir, 1,
Queue())
image_capturing.start()
time.sleep(0.5)
image_capturing.stop()
image_capturing.join(1)
log.check_present(
('berry_cam.threads.image_capturing', 'INFO', 'Ready...'))
assert not image_capturing.is_alive()
def test_stop_pir_not_ready():
"""
Tests that the stopping the thread also works even if the PIR was not ready yet.
"""
with LogCapture(names='berry_cam.threads.image_capturing') as log:
with TemporaryDirectory() as tmpdir:
GPIO.set_input(23, 1) # PIR not ready yet
image_capturing = ImageCapturing(GPIO.BCM, GPIO_PIN, tmpdir, 1,
Queue())
image_capturing.start()
time.sleep(0.5)
image_capturing.stop()
image_capturing.join(0.5)
log.check_present(
('berry_cam.threads.image_capturing', 'DEBUG',
'Thread stopped while camera was not ready yet. Stopping.'))
assert not image_capturing.is_alive()
def test_enabled_no_movement():
"""
Verifies that the thread behaves correctly if the camera is enabled,
but no movement is recognized.
"""
with LogCapture(names='berry_cam.threads.image_capturing') as log:
with TemporaryDirectory() as tmpdir:
GPIO.set_input(23, 0)
image_capturing = ImageCapturing(GPIO.BCM, GPIO_PIN, tmpdir, 1,
Queue())
image_capturing.start()
image_capturing.enabled = True
time.sleep(0.5)
image_capturing.stop()
image_capturing.join(1)
log.check_present(
('berry_cam.threads.image_capturing', 'INFO', 'Ready...'))
assert not image_capturing.is_alive()
def test_enabled_with_movement():
"""
Verifies that images are properly captured if movement is detected.
"""
with LogCapture(names='berry_cam.threads.image_capturing') as log:
with TemporaryDirectory() as tmpdir:
GPIO.set_input(23, 0)
upload_queue = Queue()
reset_time = 1 # Reset time of PIR in seconds
image_capturing = ImageCapturing(GPIO.BCM, GPIO_PIN, tmpdir,
reset_time, upload_queue)
image_capturing.start()
image_capturing.enabled = True
time.sleep(0.5)
GPIO.set_input(23, 1) # Movement detected
time.sleep(1)
GPIO.set_input(23, 0) # Movement stopped
time.sleep(0.5)
image_capturing.stop()
image_capturing.join(reset_time + 1)
log.check_present(
('berry_cam.threads.image_capturing', 'INFO', 'Ready...'),
('berry_cam.threads.image_capturing', 'INFO',
'Movement recognized, taking pictures.'),
('berry_cam.threads.image_capturing', 'INFO',
'No more movement, stop capturing.'))
# We expect 1 or 2 images to be taken, depending on timings
assert upload_queue.qsize() in [1, 2]
assert not image_capturing.is_alive()
def input(self, pin: int, state: int) -> int:
return gpio.input(pin, state)
def output(self, pin: Union[Collection[int], int], state: int) -> None:
gpio.output(pin, state)
def set_input(self, pin: Union[Collection[int], int]) -> None:
gpio.setup(pin, self.IN)
def set_output(self, pin: Union[Collection[int], int]) -> None:
gpio.setup(pin, self.OUT)