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Update tests to support latest time-machine #1221

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Merged
merged 1 commit into from
May 16, 2025
Merged

Update tests to support latest time-machine #1221

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2 changes: 1 addition & 1 deletion pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -84,7 +84,7 @@ dev-pytest = [
"frequenz-repo-config[extra-lint-examples] == 0.13.3",
"pytest-mock == 3.14.0",
"pytest-asyncio == 0.26.0",
"time-machine == 2.12.0",
"time-machine == 2.16.0",
"async-solipsism == 0.7",
"hypothesis == 6.131.9",
]
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84 changes: 51 additions & 33 deletions tests/microgrid/power_distributing/_component_status/test_battery_status.py
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Expand Up @@ -12,6 +12,7 @@
from datetime import datetime, timedelta, timezone
from typing import Generic, TypeVar

import async_solipsism
import pytest
from frequenz.channels import Broadcast, Receiver
from frequenz.client.microgrid import (
Expand Down Expand Up @@ -42,6 +43,12 @@
from ....utils.receive_timeout import Timeout, receive_timeout


@pytest.fixture
def event_loop_policy() -> async_solipsism.EventLoopPolicy:
"""Event loop policy."""
return async_solipsism.EventLoopPolicy()


def battery_data( # pylint: disable=too-many-arguments,too-many-positional-arguments
component_id: ComponentId,
timestamp: datetime | None = None,
Expand Down Expand Up @@ -995,40 +1002,51 @@ async def test_stale_data(
setup_tracker: tuple[MockMicrogrid, Receiver[ComponentStatus]],
) -> None:
"""Test recovery after stale data."""
mock_microgrid, status_receiver = setup_tracker

timestamp = datetime.now(timezone.utc)
await self._send_healthy_battery(mock_microgrid, timestamp)
await self._send_healthy_inverter(mock_microgrid)
assert (await status_receiver.receive()).value is ComponentStatusEnum.WORKING

# --- stale battery data ---
await self._send_healthy_inverter(mock_microgrid)
await self._send_healthy_battery(mock_microgrid, timestamp)
assert await receive_timeout(status_receiver) is Timeout

await self._send_healthy_inverter(mock_microgrid)
await self._send_healthy_battery(mock_microgrid, timestamp)
assert await receive_timeout(status_receiver, 0.3) == ComponentStatus(
BATTERY_ID, ComponentStatusEnum.NOT_WORKING
)
import time_machine # pylint: disable=import-outside-toplevel

timestamp = datetime.now(timezone.utc)
await self._send_healthy_battery(mock_microgrid, timestamp)
await self._send_healthy_inverter(mock_microgrid, timestamp)
assert (await status_receiver.receive()).value is ComponentStatusEnum.WORKING
with time_machine.travel("2022-01-01 00:00 UTC", tick=False) as time:
mock_microgrid, status_receiver = setup_tracker

# --- stale inverter data ---
await self._send_healthy_battery(mock_microgrid)
await self._send_healthy_inverter(mock_microgrid, timestamp)
assert await receive_timeout(status_receiver) is Timeout
timestamp = datetime.now(timezone.utc)
await self._send_healthy_battery(mock_microgrid, timestamp)
await self._send_healthy_inverter(mock_microgrid)
assert (
await status_receiver.receive()
).value is ComponentStatusEnum.WORKING

# --- stale battery data ---
await self._send_healthy_inverter(mock_microgrid)
await self._send_healthy_battery(mock_microgrid, timestamp)
assert await receive_timeout(status_receiver) is Timeout

await self._send_healthy_inverter(mock_microgrid)
await self._send_healthy_battery(mock_microgrid, timestamp)
time.shift(0.3)
assert await receive_timeout(status_receiver, 0.3) == ComponentStatus(
BATTERY_ID, ComponentStatusEnum.NOT_WORKING
)

await self._send_healthy_battery(mock_microgrid)
await self._send_healthy_inverter(mock_microgrid, timestamp)
assert await receive_timeout(status_receiver, 0.3) == ComponentStatus(
BATTERY_ID, ComponentStatusEnum.NOT_WORKING
)
timestamp = datetime.now(timezone.utc)
await self._send_healthy_battery(mock_microgrid, timestamp)
await self._send_healthy_inverter(mock_microgrid, timestamp)
assert (
await status_receiver.receive()
).value is ComponentStatusEnum.WORKING

# --- stale inverter data ---
await self._send_healthy_battery(mock_microgrid)
await self._send_healthy_inverter(mock_microgrid, timestamp)
assert await receive_timeout(status_receiver) is Timeout

await self._send_healthy_battery(mock_microgrid)
await self._send_healthy_inverter(mock_microgrid, timestamp)
time.shift(0.3)
assert await receive_timeout(status_receiver, 0.3) == ComponentStatus(
BATTERY_ID, ComponentStatusEnum.NOT_WORKING
)

await self._send_healthy_battery(mock_microgrid)
await self._send_healthy_inverter(mock_microgrid)
assert (await status_receiver.receive()).value is ComponentStatusEnum.WORKING
await self._send_healthy_battery(mock_microgrid)
await self._send_healthy_inverter(mock_microgrid)
assert (
await status_receiver.receive()
).value is ComponentStatusEnum.WORKING
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