def test_make_serial_spi():
"""
:py:func:`luma.core.cmdline.make_serial.spi` returns an SPI instance.
"""
factory = cmdline.make_serial(test_spi_opts)
with pytest.raises(error.UnsupportedPlatform):
factory.spi()
def test_make_serial_ftdi_i2c(mock_controller):
"""
:py:func:`luma.core.cmdline.make_serial.ftdi_i2c` returns an I2C instance.
"""
class opts:
ftdi_device = 'ftdi://dummy'
i2c_port = 200
i2c_address = 0x710
factory = cmdline.make_serial(opts)
assert 'luma.core.interface.serial.i2c' in repr(factory.ftdi_i2c())
def test_make_serial_ftdi_spi(mock_controller):
"""
:py:func:`luma.core.cmdline.make_serial.ftdi_spi` returns an SPI instance.
"""
class opts(test_spi_opts):
ftdi_device = 'ftdi://dummy'
gpio_data_command = 5
gpio_reset = 6
gpio_backlight = 7
factory = cmdline.make_serial(opts)
assert 'luma.core.interface.serial.spi' in repr(factory.ftdi_spi())
def test_make_serial_spi_alt_gpio():
"""
:py:func:`luma.core.cmdline.make_serial.spi` returns an SPI instance
when using an alternative GPIO implementation.
"""
class opts(test_spi_opts):
gpio = 'fake_gpio'
with patch.dict('sys.modules', **{'fake_gpio': Mock(unsafe=True)}):
factory = cmdline.make_serial(opts)
with pytest.raises(error.DeviceNotFoundError):
factory.spi()
def test_make_serial_spi():
"""
:py:func:`luma.core.cmdline.make_serial.spi` returns an SPI instance.
"""
try:
factory = cmdline.make_serial(test_spi_opts)
assert 'luma.core.interface.serial.spi' in repr(factory.spi())
except ImportError:
# non-rpi platform, e.g. macos
pytest.skip(rpi_gpio_missing)
except error.UnsupportedPlatform as e:
# non-rpi platform, e.g. ubuntu 64-bit
pytest.skip('{0} ({1})'.format(type(e).__name__, str(e)))
def test_make_serial_i2c():
"""
:py:func:`luma.core.cmdline.make_serial.i2c` returns an I2C instance.
"""
class opts:
i2c_port = 200
i2c_address = 0x710
path_name = '/dev/i2c-{}'.format(opts.i2c_port)
fake_open = i2c_error(path_name, errno.ENOENT)
factory = cmdline.make_serial(opts)
with patch('os.open', fake_open):
with pytest.raises(error.DeviceNotFoundError):
factory.i2c()
def test_make_serial_spi_alt_gpio():
"""
:py:func:`luma.core.cmdline.make_serial.spi` returns an SPI instance
when using an alternative GPIO implementation.
"""
class opts(test_spi_opts):
gpio = 'fake_gpio'
with patch.dict('sys.modules', **{'fake_gpio': Mock(unsafe=True)}):
try:
factory = cmdline.make_serial(opts)
assert 'luma.core.interface.serial.spi' in repr(factory.spi())
except ImportError:
pytest.skip(spidev_missing)
except error.DeviceNotFoundError as e:
# non-rpi platform, e.g. ubuntu 64-bit
pytest.skip('{0} ({1})'.format(type(e).__name__, str(e)))
