def test_get_temp_deck_temperature():
# Get the curent and target temperatures
# If no target temp has been previously set,
# then the response will set 'T' to 'none'
import types
from opentrons.drivers.temp_deck import TempDeck
temp_deck = TempDeck()
temp_deck.simulating = False
command_log = []
return_string = 'T:none C:90'
def _mock_send_command(self, command, timeout=None, tag=None):
nonlocal command_log, return_string
command_log += [command]
return return_string
temp_deck._send_command = types.MethodType(_mock_send_command, temp_deck)
assert temp_deck.temperature == 25 # driver's initialized value
assert temp_deck.target is None
temp_deck.update_temperature()
assert command_log == ['M105']
assert temp_deck.temperature == 90
assert temp_deck.target is None
command_log = []
return_string = 'T:99 C:90'
temp_deck.update_temperature()
assert command_log == ['M105']
assert temp_deck.temperature == 90
assert temp_deck.target == 99
def test_fail_get_temp_deck_temperature():
# Get the curent and target temperatures
# If no target temp has been previously set,
# then the response will set 'T' to 'none'
import types
from opentrons.drivers.temp_deck import TempDeck
temp_deck = TempDeck()
temp_deck.simulating = False
return_string = 'T:none C:90'
def _mock_send_command(self, command, timeout=None):
return return_string
temp_deck._send_command = types.MethodType(_mock_send_command, temp_deck)
temp_deck.update_temperature()
assert temp_deck._temperature == {'current': 90, 'target': None}
return_string = 'Tx:none C:1'
def _mock_send_command(self, command, timeout=None):
return return_string
temp_deck._send_command = types.MethodType(_mock_send_command, temp_deck)
temp_deck.update_temperature()
assert temp_deck._temperature == {'current': 90, 'target': None}
def test_fail_get_temp_deck_temperature():
# Get the curent and target temperatures
# If get fails, temp_deck temperature is not updated
import types
from opentrons.drivers.temp_deck import TempDeck
temp_deck = TempDeck()
temp_deck.simulating = False
done = False
def _mock_send_command1(self, command, timeout=None, tag=None):
nonlocal done
done = True
return 'T:none C:90'
temp_deck._send_command = types.MethodType(_mock_send_command1, temp_deck)
temp_deck.update_temperature()
time.sleep(0.25)
while not done:
time.sleep(0.25)
assert temp_deck._temperature == {'current': 90, 'target': None}
def _mock_send_command2(self, command, timeout=None, tag=None):
nonlocal done
done = True
return 'Tx:none C:1' # Failure premise
temp_deck._send_command = types.MethodType(_mock_send_command2, temp_deck)
done = False
temp_deck.update_temperature()
time.sleep(0.25)
while not done:
time.sleep(0.25)
assert temp_deck._temperature == {'current': 90, 'target': None}