def test_set_settings(self):
new_temp_store = 60;
new_instruction_interval = 120;
new_temp_check = 10;
new_temp_margin = 0.25;
request_body = '{ "store_temperature_interval_seconds" : ' + str(new_temp_store) + ', "instruction_interval_seconds" : ' + str(new_instruction_interval) + ', "monitor_temperature_interval_seconds" : ' + str(new_temp_check) + ', "temperature_tolerance_C":' + str(new_temp_margin) + '}'
response = self._call_POST_with_credentials_and_body('http://localhost:8080/chestfreezer/api/options', request_body, 'application/json')[0]
assert(response.status == 204)
assert configuration.store_temperature_interval_seconds() == new_temp_store
assert configuration.instruction_interval_seconds() == new_instruction_interval
assert configuration.control_temperature_interval_seconds() == new_temp_check
assert configuration.temperature_tolerance() == new_temp_margin
def get_settings_as_json():
""" returns the application options as a json object """
store_temperature_interval_seconds = configuration.store_temperature_interval_seconds()
l1 = ' "store_temperature_interval_seconds" : ' + str(int(store_temperature_interval_seconds)) + ',';
instruction_interval_seconds = configuration.instruction_interval_seconds()
l2 = ' "instruction_interval_seconds" : ' + str(int(instruction_interval_seconds)) + ',';
control_temperature_interval_seconds = configuration.control_temperature_interval_seconds()
l3 = ' "monitor_temperature_interval_seconds" : ' + str(int(control_temperature_interval_seconds)) + ',';
temperature_tolerance = configuration.temperature_tolerance()
l4 = ' "temperature_tolerance_C" : ' + str(temperature_tolerance) + ',';
database_size = db_adapter.get_database_size()
l5 = ' "database_size_MB" : ' + str(round(database_size,1)) + ',';
database_free_size = db_adapter.get_database_free_size()
l6 = ' "database_free_size_MB" : ' + str(round(database_free_size,1)) + '';
return '{\n ' + l1 + '\n ' + l2 + '\n ' + l3 + '\n ' + l4 + '\n ' + l5 + '\n ' + l6 + '\n}'
def control_temperature():
while True:
try:
actual_target_C = get_actual_target_temperature_C()
current_temperature_C = hardware.temperature_probes.get_current_temperature()
if _is_device_overriden() | (current_temperature_C is None) | (actual_target_C is None): raise StopControlThread # skip iteration
# the great and (not so) efficient algorithm!
if misc_utils.is_within_distance(current_temperature_C, actual_target_C, configuration.temperature_tolerance()):
_set_heater(False); _set_freezer(False)
elif current_temperature_C < actual_target_C:
_set_heater(True); _set_freezer(False)
elif current_temperature_C > actual_target_C:
_set_heater(False); _set_freezer(True)
except StopControlThread as e:
# nothing, let loop re-iterate
pass
except Exception as e:
print 'Error while setting temperature:\n' + str(e)
time.sleep(configuration.control_temperature_interval_seconds())