def _load_services(self):
"""Load Home Automation Services Helpers"""
product_class = self._db.get("Device.DeviceInfo.ProductClass")
self._logger.info("Loading Services for Product Class [%s]",
product_class)
if product_class == "RPi_Motion":
default_cfg = {GPIO_PIN: "4"}
cfg_mgr = utils.ConfigMgr(self._cfg_file_name, default_cfg)
gpio_pin = int(cfg_mgr.get_cfg_item(GPIO_PIN))
target_class = self._get_class(product_class, "agent.motion",
"PersistDetectedMotion")
self._service_map[product_class] = target_class(gpio_pin, self._db)
elif product_class == "RPi_Camera" or product_class == "RPiZero_Camera":
default_cfg = {CAMERA_IMAGE_DIR: "pictures"}
cfg_mgr = utils.ConfigMgr(self._cfg_file_name, default_cfg)
camera_image_dir = cfg_mgr.get_cfg_item(CAMERA_IMAGE_DIR)
target_class = self._get_class(product_class, "agent.camera",
"PersistRecordedImage")
self._service_map[product_class] = target_class(
camera_image_dir, "image", self._db)
# Also create and start the Camera Web UI
target_ui_class = self._get_class(product_class, "agent.camera_ui",
"ThreadedCameraWebUI")
camera_ui = target_ui_class(host="0.0.0.0",
directory=camera_image_dir)
camera_ui.start()
else:
self._logger.warning("No Services to load for Product Class [%s]",
product_class)
def test_no_file():
cfg_file_defaults = {"key1": "defaultValue1", "key2": "defaultValue2"}
cfg_mgr = utils.ConfigMgr("config_file_that_doesnt_exist.cfg",
cfg_file_defaults)
value1 = cfg_mgr.get_cfg_item("key1")
value2 = cfg_mgr.get_cfg_item("key2")
assert value1 == "defaultValue1"
assert value2 == "defaultValue2"
def test_item_not_in_config_file_no_default():
mock_cfg_file = "{\"key1\" : \"value1\"}"
cfg_file_defaults = {"key2": "defaultValue2"}
with mock.patch("builtins.open",
mock.mock_open(read_data=mock_cfg_file)) as my_mock:
cfg_mgr = utils.ConfigMgr("mock.cfg", cfg_file_defaults)
try:
value = cfg_mgr.get_cfg_item("key3")
assert value == "Expected a config_mgr.MissingConfigError to be raised"
except utils.MissingConfigError:
pass
def test_empty_file():
mock_cfg_file = ""
cfg_file_defaults = {"key1": "defaultValue1", "key2": "defaultValue2"}
with mock.patch("builtins.open",
mock.mock_open(read_data=mock_cfg_file)) as my_mock:
cfg_mgr = utils.ConfigMgr("mock.cfg", cfg_file_defaults)
value1 = cfg_mgr.get_cfg_item("key1")
value2 = cfg_mgr.get_cfg_item("key2")
my_mock.assert_called_once_with("mock.cfg", "r")
assert value1 == "defaultValue1"
assert value2 == "defaultValue2"