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from __future__ import annotations
import pytest
from typing import Any
from unittest.mock import AsyncMock
from datetime import datetime, timezone
from bleak import BleakClient
from bleak.backends.device import BLEDevice
from thermopro_ble.device import ThermoProDevice
BLE_DEVICE_DEFAULTS = {
"name": None,
"rssi": -127,
"details": None,
}
def generate_ble_device(
address: str | None = None,
name: str | None = None,
details: Any | None = None,
rssi: int | None = None,
**kwargs: Any,
) -> BLEDevice:
"""Generate a BLEDevice with defaults."""
new = kwargs.copy()
if address is not None:
new["address"] = address
if name is not None:
new["name"] = name
if details is not None:
new["details"] = details
if rssi is not None:
new["rssi"] = rssi
for key, value in BLE_DEVICE_DEFAULTS.items():
new.setdefault(key, value)
return BLEDevice(**new)
now = datetime.now(tz=timezone.utc)
PACK_TESTDATA = [
("self-test-24hour", now, False, ThermoProDevice.pack_datetime(now, False)),
("self-test-12hour", now, True, ThermoProDevice.pack_datetime(now, True)),
(
"2025-01-24-20:54:15Z-12-hour",
datetime.fromisoformat("2025-01-24T20:54:15+00:00"),
True,
b"\xa5\x19\x01\x18\x146\x0f\x05\x00Z",
),
(
"2025-01-24-20:54:15Z-24hour",
datetime.fromisoformat("2025-01-24T20:54:15+00:00"),
False,
b"\xa5\x19\x01\x18\x146\x0f\x05\x01Z",
),
(
"2024-03-18-10:23:46+0200-12hour",
datetime.fromisoformat("2024-03-18T10:23:46+02:00"),
True,
b"\xa5\x18\x03\x12\n\x17.\x01\x00Z",
),
(
"2024-03-18-10:23:46+0200-24hour",
datetime.fromisoformat("2024-03-18T10:23:46+02:00"),
False,
b"\xa5\x18\x03\x12\n\x17.\x01\x01Z",
),
]
@pytest.fixture()
def dummy_client(monkeypatch: pytest.MonkeyPatch) -> BleakClient:
client = BleakClient("")
monkeypatch.setattr(client, "write_gatt_char", AsyncMock())
monkeypatch.setattr(client, "disconnect", AsyncMock())
return client
@pytest.fixture()
def dummy_device() -> ThermoProDevice:
return ThermoProDevice(generate_ble_device("aa:bb:cc:dd:ee:ff", "TP358"))
@pytest.fixture()
def mock_bleak_client(
monkeypatch: pytest.MonkeyPatch, dummy_client: BleakClient
) -> BleakClient:
monkeypatch.setattr(
"thermopro_ble.device.establish_connection",
AsyncMock(return_value=dummy_client),
)
return dummy_client
def test_can_create(dummy_device: ThermoProDevice) -> None:
assert isinstance(dummy_device, ThermoProDevice), "device could not be created"
def test_non_timezone_aware_datetime_pack() -> None:
with pytest.raises(ValueError, match="timezone aware datetime object expected"):
ThermoProDevice.pack_datetime(
datetime.fromisoformat("2025-01-24T20:54:15"), False
)
# to keep stability across test runs, use just the name(only str) here
@pytest.mark.parametrize(
"name,dt,am_pm,packed",
PACK_TESTDATA,
ids=lambda val: val if isinstance(val, str) else "",
)
def test_pack_cases(name: str, dt: datetime, am_pm: bool, packed: bytes) -> None:
computed = ThermoProDevice.pack_datetime(dt, am_pm)
assert computed == packed, (
f"test '{name} failed - expected '{packed!r}' different"
f"from computed '{computed!r}'",
)
def test_timezone_difference():
assert ThermoProDevice.pack_datetime(
datetime.fromisoformat("2024-03-18-10:23:46+02:00"), False
) != ThermoProDevice.pack_datetime(
datetime.fromisoformat("2024-03-18-08:23:46+00:00"), False
), "timezone aware datetime must have localized time fields"
@pytest.mark.asyncio
async def test_device_send_24hour(
mock_bleak_client: BleakClient, dummy_device: ThermoProDevice
) -> None:
dt = datetime.now(tz=timezone.utc)
await dummy_device.set_datetime(dt, False)
mock_bleak_client.write_gatt_char.assert_awaited_once_with(
ThermoProDevice.datetime_uuid,
ThermoProDevice.pack_datetime(dt, False),
True,
)
mock_bleak_client.disconnect.assert_awaited_once()
@pytest.mark.asyncio
async def test_device_send_12hour(
mock_bleak_client: BleakClient, dummy_device: ThermoProDevice
) -> None:
dt = datetime.now(tz=timezone.utc)
await dummy_device.set_datetime(dt, True)
mock_bleak_client.write_gatt_char.assert_awaited_once_with(
ThermoProDevice.datetime_uuid, ThermoProDevice.pack_datetime(dt, True), True
)
mock_bleak_client.disconnect.assert_awaited_once()
@pytest.mark.asyncio
async def test_non_timezone_aware_datetime_set(
mock_bleak_client: BleakClient, dummy_device: ThermoProDevice
) -> None:
with pytest.raises(ValueError, match="timezone aware datetime object expected"):
await dummy_device.set_datetime(
datetime.fromisoformat("2025-01-24T20:54:15"), True
)
if __name__ == "__main__":
for name, dt, am_pm, packed in PACK_TESTDATA:
print(
f"('{name}', datetime.fromisoformat"
f"('{dt.replace(microsecond=0).isoformat()}'), {am_pm}, "
f"{ThermoProDevice.pack_datetime(dt, am_pm)!r}),"
)
|
