def test_doppelganger(self):
"""
Test doppelganger feature in ATSession using AT+CPIN
"""
session = ATSession([])
#First prepare its doppelganger
cpin_enter_pin = ATCommand("AT+CPIN=${SIM_PIN}", "OK")
#Let's define an AT Command (AT+CPIN?)
cpin_command = ATCommand("AT+CPIN?", "READY", 10, 0, None,
cpin_enter_pin)
#Add command to session
session.add_command(cpin_command)
#Add SIM PIN to session storage
sim_pin = 7782
session.set_session_value("SIM_PIN", 7782)
#Verify session storage
read_pin = session.get_session_value("SIM_PIN")
self.assertEqual(
sim_pin, read_pin,
"SIM PIN should be %d, but is %d" % (sim_pin, read_pin))
#Get command
next_command = session.get_next_command()
#Verify command
self.assertEqual(
next_command.command, "AT+CPIN?",
"Next command should be AT+CPIN?, but is %s" %
next_command.command)
#Let's create a fake response
serial_response = ["CPIN:SIM PIN", "OK"]
response = session.validate_response(serial_response, 100)
#Last command should have failed (we expected READY)
self.assertTrue(session.last_command_failed)
self.assertEqual(
response.full_response, serial_response,
"Response associated to command is different from the response got from serial device"
)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
#Let's get the next command, that should be the doppelganger
next_command = session.get_next_command()
self.assertEqual(
next_command.command, "AT+CPIN=%d" % sim_pin,
"The next command should be the doppelganger, but is %s" %
next_command.command)
print("Next command is doppelganger with replaced session value: %s" %
next_command.command)
#Let's invent a response for it, let's say it's OK
serial_response = ["OK"]
response = session.validate_response(serial_response, 100)
#Last command should have succeded
self.assertFalse(session.last_command_failed)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.response))
self.assertEqual(
response.response, next_command.expected_response,
"The response should be OK, but is %s" % response.response)
def test_session_values(self):
"""
Test set/get session values
"""
session = ATSession()
#Try with not existing key
with self.assertRaises(KeyError):
session.get_session_value("foobar")
session.set_session_value("foo", "bar")
self.assertEqual(
session.get_session_value("foo"), "bar",
"get_session_value failed; expected 'bar' got %s" %
session.get_session_value("foo"))
class TestSession(unittest.TestCase):
def __init__(self, methodName):
super().__init__(methodName)
self.session = ATSession()
def test_commands(self):
"""
Test ATSession commands preparation and evaluation
"""
self.__test_exec_and_validate()
self.__test_doppelganger()
self.__test_collectables()
def test_session_values(self):
"""
Test set/get session values
"""
#Try with not existing key
with self.assertRaises(KeyError):
self.session.get_session_value("foobar")
self.session.set_session_value("foo", "bar")
self.assertEqual(
self.session.get_session_value("foo"), "bar",
"get_session_value failed; expected 'bar' got %s" %
self.session.get_session_value("foo"))
def __test_exec_and_validate(self):
"""
Test ATSession just adding a command and evaluating its response
"""
simple_command = ATCommand("AT", "OK")
self.session.add_command(simple_command)
next_command = self.session.get_next_command()
#Prepare a response for it; in this case we'll simulate a successful response
serial_response = ["OK"]
response = self.session.validate_response(serial_response, 100)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
self.assertFalse(self.session.last_command_failed)
self.assertEqual(
response.response, "OK",
"Command should have OK as response but has %s" %
response.response)
#Let's simulate a command that will fail
simple_command2 = ATCommand(
"AT+CGDCONT=1, \"IP\", \"internet.foo.bar\"", "OK")
self.session.add_command(simple_command2)
next_command = self.session.get_next_command()
#Prepare a response for it; in this case we'll simulate a bad response
serial_response = ["ERROR"]
response = self.session.validate_response(serial_response, 100)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
self.assertTrue(self.session.last_command_failed)
#Regex in response
#Let's get the device serial, imagine that all the device has a serial number of 16 hex digits
gsn_command = ATCommand("AT+GSN", "^[0-9,A-F]{16}$")
self.session.add_command(gsn_command)
next_command = self.session.get_next_command()
#Prepare a response for it; in this case we'll simulate a successful response
serial_response = ["AC03C7F3D2EB7832", "OK"]
response = self.session.validate_response(serial_response, 100)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
self.assertFalse(self.session.last_command_failed)
self.assertEqual(
response.response, "AC03C7F3D2EB7832",
"Command should have AC03C7F3D2EB7832 as response but has %s" %
response.response)
def __test_doppelganger(self):
"""
Test doppelganger feature in ATSession using AT+CPIN
"""
#First prepare its doppelganger
cpin_enter_pin = ATCommand("AT+CPIN=${SIM_PIN}", "OK")
#Let's define an AT Command (AT+CPIN?)
cpin_command = ATCommand("AT+CPIN?", "READY", 10, 0, None,
cpin_enter_pin)
#Add command to session
self.session.add_command(cpin_command)
#Add SIM PIN to session storage
sim_pin = 7782
self.session.set_session_value("SIM_PIN", 7782)
#Verify session storage
read_pin = self.session.get_session_value("SIM_PIN")
self.assertEqual(
sim_pin, read_pin,
"SIM PIN should be %d, but is %d" % (sim_pin, read_pin))
#Get command
next_command = self.session.get_next_command()
#Verify command
self.assertEqual(
next_command.command, "AT+CPIN?",
"Next command should be AT+CPIN?, but is %s" %
next_command.command)
#Let's create a fake response
serial_response = ["CPIN:SIM PIN", "OK"]
response = self.session.validate_response(serial_response, 100)
#Last command should have failed (we expected READY)
self.assertTrue(self.session.last_command_failed)
self.assertEqual(
response.full_response, serial_response,
"Response associated to command is different from the response got from serial device"
)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
#Let's get the next command, that should be the doppelganger
next_command = self.session.get_next_command()
self.assertEqual(
next_command.command, "AT+CPIN=%d" % sim_pin,
"The next command should be the doppelganger, but is %s" %
next_command.command)
print("Next command is doppelganger with replaced session value: %s" %
next_command.command)
#Let's invent a response for it, let's say it's OK
serial_response = ["OK"]
response = self.session.validate_response(serial_response, 100)
#Last command should have succeded
self.assertFalse(self.session.last_command_failed)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.response))
self.assertEqual(
response.response, next_command.expected_response,
"The response should be OK, but is %s" % response.response)
def __test_collectables(self):
"""
Test collectables feature in ATSession using AT+CSQ
"""
csq_command = ATCommand("AT+CSQ", "OK", 10, 0, ["AT+CSQ=?{rssi},"])
self.session.add_command(csq_command)
#Let's get command
next_command = self.session.get_next_command()
#Invent a response for it
serial_response = ["AT+CSQ=31,1", "OK"]
response = self.session.validate_response(serial_response, 50)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
#Last command should have succeded
self.assertFalse(self.session.last_command_failed)
#Verify if collectable has actually been collected
try:
rssi = self.session.get_session_value("rssi")
self.assertEqual(rssi, 31, "rssi should be 31, but is %s" % rssi)
except KeyError as err:
raise err
print("RSSI from AT+CSQ: %d" % rssi)
#Let's try a collectable which searches for 15 digits (for getting the IMEI for example) => ^[0-9]{15}$
imei_command = ATCommand("AT+CGSN", "OK", 10, 0,
["?{IMEI::^[0-9]{15}$}"])
self.session.add_command(imei_command)
#Let's get command
next_command = self.session.get_next_command()
#Invent a response for it
serial_response = ["AT+CGSN", "123456789012345", "OK"]
response = self.session.validate_response(serial_response, 50)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
#Last command should have succeded
self.assertFalse(self.session.last_command_failed)
#Verify if collectable has actually been collected
try:
imei = self.session.get_session_value("IMEI")
self.assertEqual(
imei, 123456789012345,
"rssi should be '123456789012345', but is %s" % imei)
except KeyError as err:
raise err
print("IMEI from AT+CGSN: %d" % imei)
#Combining line content with key regex and session keys
#Look for both rssi and ber, but use key regex and session values
csq_command = ATCommand("AT+CSQ", "OK", 10, 0, [
"AT+CSQ=?{rssi::[0-9]{1,2}},", "AT+CSQ=${rssi},?{ber::[0-9]{1,2}}"
])
self.session.add_command(csq_command)
#Let's get command
next_command = self.session.get_next_command()
#Invent a response for it
serial_response = ["AT+CSQ=31,2", "OK"]
response = self.session.validate_response(serial_response, 50)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
#Last command should have succeded
self.assertFalse(self.session.last_command_failed)
#Verify if collectable has actually been collected
try:
rssi = self.session.get_session_value("rssi")
self.assertEqual(rssi, 31, "rssi should be 31, but is %s" % rssi)
ber = self.session.get_session_value("ber")
self.assertEqual(ber, 2, "ber should be 2, but is %s" % ber)
except KeyError as err:
raise err
print("RSSI from AT+CSQ: %d; ber from AT+CSQ: %d" % (rssi, ber))
def test_session_values(self):
"""
Test set/get session values
"""
session = ATSession([])
#Try with not existing key
with self.assertRaises(KeyError):
session.get_session_value("foobar")
session.set_session_value("foo", "bar")
self.assertEqual(
session.get_session_value("foo"), "bar",
"get_session_value failed; expected 'bar' got %s" %
session.get_session_value("foo"))
"""
Test ATSession just adding a command and evaluating its response
"""
session = ATSession([])
simple_command = ATCommand("AT", "OK")
session.add_command(simple_command)
next_command = session.get_next_command()
#Prepare a response for it; in this case we'll simulate a successful response
serial_response = ["OK"]
response = session.validate_response(serial_response, 100)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
self.assertFalse(session.last_command_failed)
self.assertEqual(
response.response, "OK",
"Command should have OK as response but has %s" %
response.response)
#Let's simulate a command that will fail
simple_command2 = ATCommand(
"AT+CGDCONT=1, \"IP\", \"internet.foo.bar\"", "OK")
session.add_command(simple_command2)
next_command = session.get_next_command()
#Prepare a response for it; in this case we'll simulate a bad response
serial_response = ["ERROR"]
response = session.validate_response(serial_response, 100)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
self.assertTrue(session.last_command_failed)
#Regex in response
#Let's get the device serial, imagine that all the device has a serial number of 16 hex digits
gsn_command = ATCommand("AT+GSN", "^[0-9,A-F]{16}$")
session.add_command(gsn_command)
next_command = session.get_next_command()
#Prepare a response for it; in this case we'll simulate a successful response
serial_response = ["AC03C7F3D2EB7832", "OK"]
response = session.validate_response(serial_response, 100)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
self.assertFalse(session.last_command_failed)
self.assertEqual(
response.response, "AC03C7F3D2EB7832",
"Command should have AC03C7F3D2EB7832 as response but has %s" %
response.response)
#Try with CSQ too
#Let's get the device serial, imagine that all the device has a serial number of 16 hex digits
csq_command = ATCommand("AT+CSQ", "[0-9]{1,2}")
session.add_command(csq_command)
next_command = session.get_next_command()
#Prepare a response for it; in this case we'll simulate a successful response
csq_response = ["+CSQ: 22,99", "", "OK"]
response = session.validate_response(csq_response, 100)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
self.assertFalse(session.last_command_failed)
self.assertEqual(
response.response, "22",
"Command should have 22 as response but has %s" %
response.response)
#Bad cases
#Not existing session key
command_not_replaceable = ATCommand("AT+CGDATA=${CONTEXT}", "OK")
session.add_command(command_not_replaceable)
self.assertIsNotNone(session.get_next_command())
serial_response = ["+CME: ERRROR"]
response = session.validate_response(serial_response, 100)
print("%s (expected %s) has response: %s" %
(next_command.command, next_command.expected_response,
response.full_response))
self.assertTrue(session.last_command_failed)