def test_spi_init():
spi(gpio=gpio,
spi=spidev,
port=5,
device=2,
bus_speed_hz=942312,
bcm_DC=17,
bcm_RST=11)
verify_spi_init(5, 2, 942312, 17, 11)
gpio.output.assert_called_once_with(11, gpio.HIGH)
def test_spi_command():
cmds = [3, 1, 4, 2]
serial = spi(gpio=gpio, spi=spidev, port=9, device=1)
serial.command(*cmds)
verify_spi_init(9, 1)
gpio.output.assert_has_calls([call(25, gpio.HIGH), call(24, gpio.LOW)])
spidev.xfer2.assert_called_once_with(cmds)
def test_spi_data():
data = list(fib(100))
serial = spi(gpio=gpio, spi=spidev, port=9, device=1)
serial.data(data)
verify_spi_init(9, 1)
gpio.output.assert_has_calls([call(25, gpio.HIGH), call(24, gpio.HIGH)])
spidev.xfer2.assert_called_once_with(data)
def test_spi_cleanup():
serial = spi(gpio=gpio, spi=spidev, port=9, device=1)
serial.cleanup()
verify_spi_init(9, 1)
spidev.close.assert_called_once_with()
gpio.cleanup.assert_called_once_with()
def test_spi_init_device_not_found():
import spidev
with pytest.raises(oled.error.DeviceNotFoundError) as ex:
spi(gpio=gpio, spi=spidev.SpiDev())
assert str(ex.value) == 'SPI device not found'