Files
frigate/frigate/test/test_detector_device.py
T
Nicolas Mowen 8fe35ace3b Refactor detector and model management (#23995)
* Refactor detector and model management

* Fix model resolution field
2026-09-12 07:30:04 -06:00

95 lines
3.1 KiB
Python

"""Tests for parsing detection hardware device strings."""
import unittest
from frigate.detectors.detector_config import ModelConfig
from frigate.detectors.device import (
DeviceParseError,
build_detector_config,
parse_device,
runner_names,
)
class TestParseDevice(unittest.TestCase):
def test_bare_detector_has_no_device(self):
spec = parse_device("cpu")
self.assertEqual(spec.detector, "cpu")
self.assertIsNone(spec.device)
def test_device_is_everything_after_the_first_colon(self):
spec = parse_device("edgetpu:pci:0")
self.assertEqual(spec.detector, "edgetpu")
self.assertEqual(spec.device, "pci:0")
def test_trailing_colon_keeps_an_empty_device(self):
# an empty edgetpu device selects a native Coral
spec = parse_device("edgetpu:")
self.assertEqual(spec.detector, "edgetpu")
self.assertEqual(spec.device, "")
def test_unknown_detector_is_rejected(self):
with self.assertRaises(DeviceParseError):
parse_device("not_a_detector:0")
def test_device_that_the_detector_cannot_use_is_rejected(self):
# tensorrt takes a gpu index
with self.assertRaises(DeviceParseError):
parse_device("tensorrt:the-fast-one")
class TestBuildDetectorConfig(unittest.TestCase):
def _build(self, raw: str):
return build_detector_config(parse_device(raw), ModelConfig())
def test_device_lands_on_the_detector_field(self):
for raw, expected in (
("edgetpu:usb", "usb"),
("edgetpu:pci:1", "pci:1"),
("openvino:GPU.1", "GPU.1"),
("onnx:CPU", "CPU"),
("memryx:PCIe:0", "PCIe:0"),
):
with self.subTest(raw=raw):
self.assertEqual(self._build(raw).device, expected)
def test_detectors_that_name_the_field_something_else(self):
self.assertEqual(self._build("cpu:4").num_threads, 4)
self.assertEqual(self._build("rknn:2").num_cores, 2)
def test_device_is_coerced_to_the_detector_field_type(self):
self.assertEqual(self._build("tensorrt:1").device, 1)
def test_omitted_device_falls_back_to_the_detector_default(self):
self.assertEqual(self._build("cpu").num_threads, 3)
self.assertEqual(self._build("rknn").num_cores, 0)
self.assertEqual(self._build("openvino").device, "AUTO")
self.assertIsNone(self._build("edgetpu").device)
def test_the_model_is_attached(self):
model = ModelConfig(path="/cpu_model.tflite")
self.assertIs(build_detector_config(parse_device("cpu"), model).model, model)
class TestRunnerNames(unittest.TestCase):
def test_unique_devices_keep_their_name(self):
devices = [parse_device("edgetpu:pci:0"), parse_device("edgetpu:pci:1")]
self.assertEqual(runner_names(devices), ["edgetpu:pci:0", "edgetpu:pci:1"])
def test_repeated_devices_are_numbered(self):
devices = [parse_device("openvino:GPU")] * 3
self.assertEqual(
runner_names(devices),
["openvino:GPU", "openvino:GPU#2", "openvino:GPU#3"],
)
if __name__ == "__main__":
unittest.main(verbosity=2)