Lukas
17e5a551e1
- Migrate settings.py to Pydantic V2 (SettingsConfigDict, validation_alias) - Update config models to use @field_validator with @classmethod - Replace deprecated datetime.utcnow() with datetime.now(timezone.utc) - Migrate FastAPI app from @app.on_event to lifespan context manager - Implement comprehensive rate limiting middleware with: * Endpoint-specific rate limits (login: 5/min, register: 3/min) * IP-based and user-based tracking * Authenticated user multiplier (2x limits) * Bypass paths for health, docs, static, websocket endpoints * Rate limit headers in responses - Add 13 comprehensive tests for rate limiting (all passing) - Update instructions.md to mark completed tasks - Fix asyncio.create_task usage in anime_service.py All 714 tests passing. No deprecation warnings.
492 lines
16 KiB
Python
492 lines
16 KiB
Python
"""Unit tests for the download queue service.
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Tests cover queue management, priority handling, persistence,
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concurrent downloads, and error scenarios.
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"""
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from __future__ import annotations
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import asyncio
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import json
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from datetime import datetime, timezone
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from pathlib import Path
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from unittest.mock import AsyncMock, MagicMock
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import pytest
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from src.server.models.download import (
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DownloadItem,
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DownloadPriority,
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DownloadStatus,
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EpisodeIdentifier,
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)
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from src.server.services.anime_service import AnimeService
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from src.server.services.download_service import DownloadService, DownloadServiceError
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@pytest.fixture
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def mock_anime_service():
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"""Create a mock AnimeService."""
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service = MagicMock(spec=AnimeService)
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service.download = AsyncMock(return_value=True)
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return service
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@pytest.fixture
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def temp_persistence_path(tmp_path):
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"""Create a temporary persistence path."""
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return str(tmp_path / "test_queue.json")
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@pytest.fixture
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def download_service(mock_anime_service, temp_persistence_path):
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"""Create a DownloadService instance for testing."""
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return DownloadService(
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anime_service=mock_anime_service,
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max_concurrent_downloads=2,
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max_retries=3,
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persistence_path=temp_persistence_path,
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)
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class TestDownloadServiceInitialization:
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"""Test download service initialization."""
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def test_initialization_creates_queues(
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self, mock_anime_service, temp_persistence_path
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):
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"""Test that initialization creates empty queues."""
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service = DownloadService(
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anime_service=mock_anime_service,
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persistence_path=temp_persistence_path,
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)
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assert len(service._pending_queue) == 0
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assert len(service._active_downloads) == 0
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assert len(service._completed_items) == 0
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assert len(service._failed_items) == 0
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assert service._is_running is False
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assert service._is_paused is False
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def test_initialization_loads_persisted_queue(
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self, mock_anime_service, temp_persistence_path
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):
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"""Test that initialization loads persisted queue state."""
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# Create a persisted queue file
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persistence_file = Path(temp_persistence_path)
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persistence_file.parent.mkdir(parents=True, exist_ok=True)
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test_data = {
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"pending": [
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{
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"id": "test-id-1",
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"serie_id": "series-1",
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"serie_name": "Test Series",
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"episode": {"season": 1, "episode": 1, "title": None},
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"status": "pending",
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"priority": "normal",
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"added_at": datetime.now(timezone.utc).isoformat(),
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"started_at": None,
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"completed_at": None,
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"progress": None,
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"error": None,
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"retry_count": 0,
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"source_url": None,
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}
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],
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"active": [],
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"failed": [],
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"timestamp": datetime.now(timezone.utc).isoformat(),
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}
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with open(persistence_file, "w", encoding="utf-8") as f:
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json.dump(test_data, f)
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service = DownloadService(
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anime_service=mock_anime_service,
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persistence_path=temp_persistence_path,
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)
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assert len(service._pending_queue) == 1
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assert service._pending_queue[0].id == "test-id-1"
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class TestQueueManagement:
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"""Test queue management operations."""
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@pytest.mark.asyncio
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async def test_add_to_queue_single_episode(self, download_service):
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"""Test adding a single episode to queue."""
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episodes = [EpisodeIdentifier(season=1, episode=1)]
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item_ids = await download_service.add_to_queue(
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serie_id="series-1",
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serie_name="Test Series",
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episodes=episodes,
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priority=DownloadPriority.NORMAL,
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)
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assert len(item_ids) == 1
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assert len(download_service._pending_queue) == 1
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assert download_service._pending_queue[0].serie_id == "series-1"
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assert (
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download_service._pending_queue[0].status
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== DownloadStatus.PENDING
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)
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@pytest.mark.asyncio
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async def test_add_to_queue_multiple_episodes(self, download_service):
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"""Test adding multiple episodes to queue."""
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episodes = [
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EpisodeIdentifier(season=1, episode=1),
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EpisodeIdentifier(season=1, episode=2),
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EpisodeIdentifier(season=1, episode=3),
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]
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item_ids = await download_service.add_to_queue(
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serie_id="series-1",
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serie_name="Test Series",
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episodes=episodes,
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priority=DownloadPriority.NORMAL,
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)
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assert len(item_ids) == 3
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assert len(download_service._pending_queue) == 3
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@pytest.mark.asyncio
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async def test_add_high_priority_to_front(self, download_service):
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"""Test that high priority items are added to front of queue."""
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# Add normal priority item
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await download_service.add_to_queue(
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serie_id="series-1",
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serie_name="Test Series",
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episodes=[EpisodeIdentifier(season=1, episode=1)],
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priority=DownloadPriority.NORMAL,
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)
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# Add high priority item
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await download_service.add_to_queue(
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serie_id="series-2",
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serie_name="Priority Series",
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episodes=[EpisodeIdentifier(season=1, episode=1)],
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priority=DownloadPriority.HIGH,
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)
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# High priority should be at front
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assert download_service._pending_queue[0].serie_id == "series-2"
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assert download_service._pending_queue[1].serie_id == "series-1"
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@pytest.mark.asyncio
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async def test_remove_from_pending_queue(self, download_service):
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"""Test removing items from pending queue."""
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item_ids = await download_service.add_to_queue(
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serie_id="series-1",
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serie_name="Test Series",
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episodes=[EpisodeIdentifier(season=1, episode=1)],
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)
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removed_ids = await download_service.remove_from_queue(item_ids)
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assert len(removed_ids) == 1
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assert removed_ids[0] == item_ids[0]
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assert len(download_service._pending_queue) == 0
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@pytest.mark.asyncio
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async def test_reorder_queue(self, download_service):
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"""Test reordering items in queue."""
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# Add three items
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await download_service.add_to_queue(
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serie_id="series-1",
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serie_name="Series 1",
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episodes=[EpisodeIdentifier(season=1, episode=1)],
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)
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await download_service.add_to_queue(
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serie_id="series-2",
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serie_name="Series 2",
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episodes=[EpisodeIdentifier(season=1, episode=1)],
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)
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await download_service.add_to_queue(
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serie_id="series-3",
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serie_name="Series 3",
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episodes=[EpisodeIdentifier(season=1, episode=1)],
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)
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# Move last item to position 0
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item_to_move = download_service._pending_queue[2].id
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success = await download_service.reorder_queue(item_to_move, 0)
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assert success is True
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assert download_service._pending_queue[0].id == item_to_move
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assert download_service._pending_queue[0].serie_id == "series-3"
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class TestQueueStatus:
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"""Test queue status reporting."""
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@pytest.mark.asyncio
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async def test_get_queue_status(self, download_service):
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"""Test getting queue status."""
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# Add items to queue
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await download_service.add_to_queue(
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serie_id="series-1",
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serie_name="Test Series",
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episodes=[
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EpisodeIdentifier(season=1, episode=1),
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EpisodeIdentifier(season=1, episode=2),
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],
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)
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status = await download_service.get_queue_status()
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assert status.is_running is False
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assert status.is_paused is False
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assert len(status.pending_queue) == 2
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assert len(status.active_downloads) == 0
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assert len(status.completed_downloads) == 0
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assert len(status.failed_downloads) == 0
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@pytest.mark.asyncio
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async def test_get_queue_stats(self, download_service):
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"""Test getting queue statistics."""
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# Add items
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await download_service.add_to_queue(
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serie_id="series-1",
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serie_name="Test Series",
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episodes=[
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EpisodeIdentifier(season=1, episode=1),
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EpisodeIdentifier(season=1, episode=2),
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],
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)
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stats = await download_service.get_queue_stats()
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assert stats.total_items == 2
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assert stats.pending_count == 2
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assert stats.active_count == 0
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assert stats.completed_count == 0
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assert stats.failed_count == 0
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assert stats.total_downloaded_mb == 0.0
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class TestQueueControl:
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"""Test queue control operations."""
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@pytest.mark.asyncio
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async def test_pause_queue(self, download_service):
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"""Test pausing the queue."""
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await download_service.pause_queue()
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assert download_service._is_paused is True
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@pytest.mark.asyncio
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async def test_resume_queue(self, download_service):
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"""Test resuming the queue."""
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await download_service.pause_queue()
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await download_service.resume_queue()
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assert download_service._is_paused is False
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@pytest.mark.asyncio
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async def test_clear_completed(self, download_service):
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"""Test clearing completed downloads."""
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# Manually add completed item
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completed_item = DownloadItem(
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id="completed-1",
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serie_id="series-1",
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serie_name="Test Series",
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episode=EpisodeIdentifier(season=1, episode=1),
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status=DownloadStatus.COMPLETED,
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)
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download_service._completed_items.append(completed_item)
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count = await download_service.clear_completed()
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assert count == 1
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assert len(download_service._completed_items) == 0
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class TestPersistence:
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"""Test queue persistence functionality."""
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@pytest.mark.asyncio
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async def test_queue_persistence(self, download_service):
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"""Test that queue state is persisted to disk."""
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await download_service.add_to_queue(
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serie_id="series-1",
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serie_name="Test Series",
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episodes=[EpisodeIdentifier(season=1, episode=1)],
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)
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# Persistence file should exist
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persistence_path = Path(download_service._persistence_path)
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assert persistence_path.exists()
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# Check file contents
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with open(persistence_path, "r") as f:
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data = json.load(f)
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assert len(data["pending"]) == 1
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assert data["pending"][0]["serie_id"] == "series-1"
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@pytest.mark.asyncio
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async def test_queue_recovery_after_restart(
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self, mock_anime_service, temp_persistence_path
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):
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"""Test that queue is recovered after service restart."""
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# Create and populate first service
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service1 = DownloadService(
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anime_service=mock_anime_service,
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persistence_path=temp_persistence_path,
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)
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await service1.add_to_queue(
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serie_id="series-1",
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serie_name="Test Series",
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episodes=[
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EpisodeIdentifier(season=1, episode=1),
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EpisodeIdentifier(season=1, episode=2),
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],
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)
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# Create new service with same persistence path
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service2 = DownloadService(
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anime_service=mock_anime_service,
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persistence_path=temp_persistence_path,
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)
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# Should recover pending items
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assert len(service2._pending_queue) == 2
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class TestRetryLogic:
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"""Test retry logic for failed downloads."""
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@pytest.mark.asyncio
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async def test_retry_failed_items(self, download_service):
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"""Test retrying failed downloads."""
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# Manually add failed item
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failed_item = DownloadItem(
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id="failed-1",
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serie_id="series-1",
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serie_name="Test Series",
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episode=EpisodeIdentifier(season=1, episode=1),
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status=DownloadStatus.FAILED,
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retry_count=0,
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error="Test error",
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)
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download_service._failed_items.append(failed_item)
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retried_ids = await download_service.retry_failed()
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assert len(retried_ids) == 1
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assert len(download_service._failed_items) == 0
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assert len(download_service._pending_queue) == 1
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assert download_service._pending_queue[0].retry_count == 1
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@pytest.mark.asyncio
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async def test_max_retries_not_exceeded(self, download_service):
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"""Test that items with max retries are not retried."""
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# Create item with max retries
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failed_item = DownloadItem(
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id="failed-1",
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serie_id="series-1",
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serie_name="Test Series",
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episode=EpisodeIdentifier(season=1, episode=1),
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status=DownloadStatus.FAILED,
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retry_count=3, # Max retries
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error="Test error",
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)
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download_service._failed_items.append(failed_item)
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retried_ids = await download_service.retry_failed()
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assert len(retried_ids) == 0
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assert len(download_service._failed_items) == 1
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assert len(download_service._pending_queue) == 0
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class TestBroadcastCallbacks:
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"""Test WebSocket broadcast functionality."""
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@pytest.mark.asyncio
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async def test_set_broadcast_callback(self, download_service):
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"""Test setting broadcast callback."""
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mock_callback = AsyncMock()
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download_service.set_broadcast_callback(mock_callback)
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assert download_service._broadcast_callback == mock_callback
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@pytest.mark.asyncio
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async def test_broadcast_on_queue_update(self, download_service):
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"""Test that broadcasts are sent on queue updates."""
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mock_callback = AsyncMock()
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download_service.set_broadcast_callback(mock_callback)
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await download_service.add_to_queue(
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serie_id="series-1",
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serie_name="Test Series",
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episodes=[EpisodeIdentifier(season=1, episode=1)],
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)
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# Allow async callback to execute
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await asyncio.sleep(0.1)
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# Verify callback was called
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mock_callback.assert_called()
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class TestServiceLifecycle:
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"""Test service start and stop operations."""
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@pytest.mark.asyncio
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async def test_start_service(self, download_service):
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"""Test starting the service."""
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await download_service.start()
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assert download_service._is_running is True
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@pytest.mark.asyncio
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async def test_stop_service(self, download_service):
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"""Test stopping the service."""
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await download_service.start()
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await download_service.stop()
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assert download_service._is_running is False
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@pytest.mark.asyncio
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async def test_start_already_running(self, download_service):
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"""Test starting service when already running."""
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await download_service.start()
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await download_service.start() # Should not raise error
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assert download_service._is_running is True
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class TestErrorHandling:
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"""Test error handling in download service."""
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@pytest.mark.asyncio
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async def test_reorder_nonexistent_item(self, download_service):
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"""Test reordering non-existent item raises error."""
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with pytest.raises(DownloadServiceError):
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await download_service.reorder_queue("nonexistent-id", 0)
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@pytest.mark.asyncio
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async def test_download_failure_moves_to_failed(self, download_service):
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"""Test that download failures are handled correctly."""
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# Mock download to fail
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download_service._anime_service.download = AsyncMock(
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side_effect=Exception("Download failed")
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)
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await download_service.add_to_queue(
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serie_id="series-1",
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serie_name="Test Series",
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episodes=[EpisodeIdentifier(season=1, episode=1)],
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)
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# Process the download
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item = download_service._pending_queue.popleft()
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await download_service._process_download(item)
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# Item should be in failed queue
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assert len(download_service._failed_items) == 1
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assert (
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download_service._failed_items[0].status == DownloadStatus.FAILED
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)
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assert download_service._failed_items[0].error is not None
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