def test_shorthand_disabled(self):
"""
When shorthand is disabled, any attempt at calling a
non-existant attribute should raise AttributeError
"""
self.xbee = XBeePro900(self.ser, shorthand=False)
try:
self.xbee.at
except AttributeError:
pass
else:
self.fail("Specified shorthand command should not exist")
def test_read_at(self):
"""
read and parse a parameterless AT command
"""
device = FakeReadDevice('\x7E\x00\x05\x88DMY\x01\x8c')
xbee = XBeePro900(device)
info = xbee.wait_read_frame()
expected_info = {
'id': 'at_response',
'frame_id': 'D',
'command': 'MY',
'status': '\x01'
}
self.assertEqual(info, expected_info)
def test_send_at_command_with_param(self):
"""
calling send should write a full API frame containing the
API AT command packet to the serial device.
"""
serial_port = FakeDevice()
xbee = XBeePro900(serial_port)
# Send an AT command
xbee.send('at', frame_id='A', command='MY', parameter='\x00\x00')
# Expect a full packet to be written to the device
expected_data = '\x7E\x00\x06\x08AMY\x00\x00\x10'
self.assertEqual(serial_port.data, expected_data)
def test_read_90(self):
"""
Read and parse an RX packet from an XBee-Pro 900MHz module.
"""
data = '~\x00L\x90\x00}3\xa2\x00@x\xcd9\xff\xfe\x02\x00\x0f\x0e/AccelX\x00\x00\x00\x00\x00\x00\xc0L?AccelY\x00\x00\x00\x00\x00\x00\xc0L?AccelZ\x00\x00\x00\x00\x00\x00\xc0L?Yaw\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0L?\xc1'
device = FakeReadDevice(data)
xbee = XBeePro900(device, escaped=True)
info = xbee.wait_read_frame()
# import pprint
# pprint.pprint(info)
## {'frame_id': '\x00',
## 'id': 'rx_pro',
## 'reserved': '\xfe\x02',
## 'rf_data': '\x0f\x0e/AccelX\x00\x00\x00\x00\x00\x00\xc0L?AccelY\x00\x00\x00\x00\x00\x00\xc0L?AccelZ\x00\x00\x00\x00\x00\x00\xc0L?Yaw\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0L?',
## 'rx_opt': '\x00',
## 'source_addr_long': '\x13\xa2\x00@x\xcd9\xff'}
expected_info = {
'id':
'rx',
'frame_id':
'\x00',
'source_addr':
'\x13\xa2\x00\x40\x78\xcd\x39',
'reserved':
'\xff\xfe',
'options':
'\x02',
'rf_data':
'\x00\x0f\x0e/AccelX\x00\x00\x00\x00\x00\x00\xc0L?AccelY\x00\x00\x00\x00\x00\x00\xc0L?AccelZ\x00\x00\x00\x00\x00\x00\xc0L?Yaw\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0L?'
}
self.maxDiff = None
self.assertEqual(info, expected_info)
def setUp(self):
"""
Prepare a fake device to read from
"""
self.ser = FakeDevice()
self.xbee = XBeePro900(self.ser)
def setUp(self):
"""
Initialize XBee object
"""
self.xbee = XBeePro900(None)