152 lines
5.1 KiB
Python
152 lines
5.1 KiB
Python
"""Tests for the geo cache flush background task.
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Validates that :func:`~app.tasks.geo_cache_flush._run_flush` correctly
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delegates to :func:`~app.services.geo_service.flush_dirty` and only logs
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when entries were actually flushed, and that
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:func:`~app.tasks.geo_cache_flush.register` configures the APScheduler job
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with the correct interval and stable job ID.
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"""
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from __future__ import annotations
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from unittest.mock import AsyncMock, MagicMock, patch
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import pytest
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from app.tasks.geo_cache_flush import GEO_FLUSH_INTERVAL, JOB_ID, _run_flush, register
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# ---------------------------------------------------------------------------
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# Helpers
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# ---------------------------------------------------------------------------
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def _make_app(flush_count: int = 0) -> MagicMock:
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"""Build a minimal mock ``app`` for geo cache flush task tests.
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Args:
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flush_count: The value returned by the mocked ``flush_dirty`` call.
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Returns:
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A :class:`unittest.mock.MagicMock` that mimics ``fastapi.FastAPI``.
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"""
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app = MagicMock()
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app.state.db = MagicMock()
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app.state.db.close = AsyncMock()
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app.state.scheduler = MagicMock()
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app.state.settings = MagicMock(database_path="/tmp/fake.db")
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app.state.runtime_settings = None
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return app
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# ---------------------------------------------------------------------------
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# Tests for _run_flush
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# ---------------------------------------------------------------------------
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class TestRunFlush:
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"""Tests for :func:`~app.tasks.geo_cache_flush._run_flush`."""
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@pytest.mark.asyncio
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async def test_run_flush_calls_flush_dirty_with_db(self) -> None:
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"""``_run_flush`` must call ``geo_service.flush_dirty`` with ``app.state.db``."""
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app = _make_app()
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with patch(
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"app.tasks.db.open_db",
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new_callable=AsyncMock,
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return_value=app.state.db,
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), patch(
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"app.tasks.geo_cache_flush.geo_service.flush_dirty",
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new_callable=AsyncMock,
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return_value=0,
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) as mock_flush:
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await _run_flush(app)
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mock_flush.assert_awaited_once_with(app.state.db)
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@pytest.mark.asyncio
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async def test_run_flush_logs_when_entries_flushed(self) -> None:
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"""``_run_flush`` must emit a debug log when ``flush_dirty`` returns > 0."""
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app = _make_app()
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with patch(
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"app.tasks.db.open_db",
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new_callable=AsyncMock,
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return_value=app.state.db,
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), patch(
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"app.tasks.geo_cache_flush.geo_service.flush_dirty",
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new_callable=AsyncMock,
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return_value=15,
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), patch("app.tasks.geo_cache_flush.log") as mock_log:
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await _run_flush(app)
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debug_calls = [c for c in mock_log.debug.call_args_list if c[0][0] == "geo_cache_flush_ran"]
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assert len(debug_calls) == 1
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assert debug_calls[0][1]["flushed"] == 15
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@pytest.mark.asyncio
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async def test_run_flush_does_not_log_when_nothing_to_flush(self) -> None:
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"""``_run_flush`` must not emit any log when ``flush_dirty`` returns 0."""
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app = _make_app()
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with patch(
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"app.tasks.db.open_db",
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new_callable=AsyncMock,
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return_value=app.state.db,
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), patch(
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"app.tasks.geo_cache_flush.geo_service.flush_dirty",
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new_callable=AsyncMock,
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return_value=0,
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), patch("app.tasks.geo_cache_flush.log") as mock_log:
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await _run_flush(app)
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debug_calls = [c for c in mock_log.debug.call_args_list if c[0][0] == "geo_cache_flush_ran"]
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assert debug_calls == []
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# ---------------------------------------------------------------------------
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# Tests for register
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# ---------------------------------------------------------------------------
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class TestRegister:
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"""Tests for :func:`~app.tasks.geo_cache_flush.register`."""
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def test_register_adds_interval_job_to_scheduler(self) -> None:
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"""``register`` must add a job with an ``"interval"`` trigger."""
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app = _make_app()
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register(app)
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app.state.scheduler.add_job.assert_called_once()
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_, kwargs = app.state.scheduler.add_job.call_args
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assert kwargs["trigger"] == "interval"
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assert kwargs["seconds"] == GEO_FLUSH_INTERVAL
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def test_register_uses_stable_job_id(self) -> None:
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"""``register`` must use the module-level ``JOB_ID`` constant."""
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app = _make_app()
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register(app)
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_, kwargs = app.state.scheduler.add_job.call_args
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assert kwargs["id"] == JOB_ID
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def test_register_sets_replace_existing(self) -> None:
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"""``register`` must use ``replace_existing=True`` to avoid duplicate jobs."""
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app = _make_app()
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register(app)
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_, kwargs = app.state.scheduler.add_job.call_args
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assert kwargs["replace_existing"] is True
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def test_register_passes_settings_in_kwargs(self) -> None:
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"""The scheduled job must receive settings as a kwarg instead of app."""
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app = _make_app()
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register(app)
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_, kwargs = app.state.scheduler.add_job.call_args
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assert kwargs["kwargs"] == {"settings": app.state.settings}
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