def testSetUartPropsFailure(self):
"""Test when set_uart_props fails due to bad line_prop."""
self._initializeBBuartDefault()
self.mox.ReplayAll()
uart = bbuart.BBuart(self._interface)
self.assertRaises(bbuart.BBuartError, uart.set_uart_props,
BAD_UART_SETTINGS)
def testGetValue(self):
"""Test the _get_value helper function."""
self._initializeBBuartDefault()
self.mox.ReplayAll()
uart = bbuart.BBuart(self._interface)
uart_speed = uart._get_value(STTY_GET_ATTRIBUTES_OUTPUT,
bbuart.SPEED_RE)
self.assertEquals(int(uart_speed, 0), 115200)
def testGetUartProps(self):
"""Test get_uart_props."""
self._initializeBBuartDefault()
bbuart.subprocess.check_output(GET_PROPS_ARGS).AndReturn(
STTY_GET_ATTRIBUTES_OUTPUT)
self.mox.ReplayAll()
uart = bbuart.BBuart(self._interface)
self.assertEquals(GET_UART_PROPS_EXPECTED_RESULTS,
uart.get_uart_props())
def testGetValueFailByBadRegex(self):
"""Test the _get_value helper function.
Fail due to bad regex.
"""
self._initializeBBuartDefault()
self.mox.ReplayAll()
uart = bbuart.BBuart(self._interface)
self.assertRaises(bbuart.BBuartError, uart._get_value,
STTY_GET_ATTRIBUTES_OUTPUT, 'bad_regex')
def testGetValueFailByBadOutput(self):
"""Test the _get_value helper function.
Fail due to bad output.
"""
self._initializeBBuartDefault()
self.mox.ReplayAll()
uart = bbuart.BBuart(self._interface)
self.assertRaises(bbuart.BBuartError, uart._get_value, '',
bbuart.SPEED_RE)
def testGetUartPropsFailure(self):
"""Test get_uart_props failure case.
This can occur when stty returns bad output.
"""
self._initializeBBuartDefault()
bbuart.subprocess.check_output(GET_PROPS_ARGS).AndReturn('')
self.mox.ReplayAll()
uart = bbuart.BBuart(self._interface)
self.assertRaises(bbuart.BBuartError, uart.get_uart_props)
def testGetParity(self):
"""Test the _get_parity helper function."""
self._initializeBBuartDefault()
self.mox.ReplayAll()
uart = bbuart.BBuart(self._interface)
# Test no parity.
self.assertEquals(0, uart._get_parity('speed 115200 baud; -parenb'))
# Test odd parity.
self.assertEquals(1, uart._get_parity('speed 115200 baud; parodd'))
# Test even parity.
self.assertEquals(1, uart._get_parity('speed 115200 baud; -parodd'))
def _init_bb_uart(self, vendor, product, serialname, interface):
"""Initalize beaglebone uart interface."""
logging.debug('UART INTERFACE: %s', interface)
return bbuart.BBuart(interface)
def testInitParems(self):
"""Initialize and ensure that initializing with parameters works."""
self._initializeBBuartWithParems()
self.mox.ReplayAll()
uart = bbuart.BBuart(self._interface)
self.mox.VerifyAll()
def testInitDefault(self):
"""Initialize and ensure that initializing with default args works."""
self._initializeBBuartDefault()
self.mox.ReplayAll()
uart = bbuart.BBuart(self._interface)
self.mox.VerifyAll()
