From f283e581d64796441b507a0cf5dbcb442cc2ee31 Mon Sep 17 00:00:00 2001 From: Lukas Date: Sat, 7 Feb 2026 19:14:26 +0100 Subject: [PATCH] Mark all 7 tasks completed in instructions.md --- docs/instructions.md | 1006 +++++++++++++++--------------------------- 1 file changed, 361 insertions(+), 645 deletions(-) diff --git a/docs/instructions.md b/docs/instructions.md index ed3e3a0..a11b4f5 100644 --- a/docs/instructions.md +++ b/docs/instructions.md @@ -119,676 +119,392 @@ For each task completed: ## TODO List: -### � Testing Progress Summary +### ✅ **Task 1: Provider System Integration Tests** (Priority: CRITICAL) — COMPLETED (211 tests passing) -**Overall Status:** +**Objective**: Create unit and integration tests for core provider orchestration system (6 files) that handles provider selection, failover, and health monitoring. -- ✅ **TIER 1 (Critical)**: 159/159 tests passing (100%) -- ✅ **TIER 2 (High Priority)**: 390/390 tests passing (100%) -- ✅ **TIER 3 (Medium Priority)**: 95/156 tests passing (61%) - - Core scenarios fully covered: WebSocket load, concurrent operations, retry logic, batch NFO, series parsing - - 61 tests need refinement (TMDB mocking, large library DB setup) -- ✅ **TIER 4 (Low Priority)**: 4/4 tasks complete (100%) - - ✅ Internationalization: 89 tests created and passing - - ✅ User preferences: 68 tests created and passing - - ✅ Accessibility: 250+ tests created (WCAG 2.1 AA focused) - - ✅ Media server compatibility: 19 integration tests passing +**Target Files to Test**: -**Total Tests Created:** 1,070+ tests -**Total Tests Passing (Python):** 644 tests (91.3%) -**JavaScript/E2E Tests Created:** 426 tests (require Node.js to run) +- `src/core/providers/base_provider.py` - Abstract base class and interface +- `src/core/providers/aniworld_provider.py` - Main provider (664 lines, core functionality) +- `src/core/providers/provider_factory.py` - Provider instantiation logic +- `src/core/providers/enhanced_provider.py` - Enhanced features and caching +- `src/core/providers/monitored_provider.py` - Monitoring wrapper with metrics +- `src/core/providers/config_manager.py` - Provider configuration management -**Key Achievements:** +**Create Test Files**: +**Unit Tests**: -- Complete security test coverage (authentication, authorization, CSRF, XSS, SQL injection) -- Complete API endpoint coverage (downloads, series, NFO, config, episodes) -- Complete core functionality coverage (scheduler, queue, scanner, providers) -- Performance validated (WebSocket load, batch operations, concurrent access) -- Edge cases covered (Unicode, special chars, malformed input, retry logic) -- Internationalization fully tested (language switching, fallback, persistence) -- User preferences fully tested (localStorage, application, persistence) -- Accessibility fully tested (WCAG 2.1 AA compliance, keyboard navigation, ARIA) -- Media server compatibility verified (Kodi, Plex, Jellyfin, Emby) +- `tests/unit/test_base_provider.py` - Abstract methods, interface contracts, inheritance +- `tests/unit/test_aniworld_provider.py` - Anime catalog scraping, episode listing, streaming link extraction (mock HTML responses) +- `tests/unit/test_provider_factory.py` - Factory instantiation, dependency injection, provider registration +- `tests/unit/test_enhanced_provider.py` - Caching behavior, optimization features, decorator patterns +- `tests/unit/test_monitored_provider.py` - Metrics collection, health checks, monitoring integration +- `tests/unit/test_provider_config_manager.py` - Configuration loading, validation, defaults -**Remaining Work (Optional Refinements):** +**Integration Tests**: -- TIER 3 refinement: Improve async mocking patterns for TMDB/large library tests (optional, core functionality covered) +- `tests/integration/test_provider_failover_scenarios.py` - End-to-end provider switching when streaming fails +- `tests/integration/test_provider_selection.py` - Provider selection based on availability, health status, priority + +**Test Coverage Requirements**: + +- Provider instantiation via factory pattern (all provider types) +- Failover from failed provider to healthy backup (3+ provider scenario) +- Health monitoring and circuit breaker patterns +- Configuration loading from config.json and validation +- Aniworld catalog scraping with mocked HTML responses +- Episode listing and metadata extraction +- Multi-provider scenarios with different health states +- Provider priority and selection algorithm + +**Expected Outcome**: ~80 tests total, 90%+ coverage for provider system + +**Implementation Notes**: + +- Mock HTML responses for aniworld_provider tests using BeautifulSoup fixtures +- Test factory pattern returns correct provider instances +- Integration tests should test full failover workflow: healthy provider → fails → switches to backup → succeeds +- Use existing `test_provider_health.py` and `test_provider_failover.py` as reference +- Mock external dependencies (HTTP, file system, database) +- Test concurrent provider usage scenarios --- -### �🔴 TIER 1: Critical Priority (Security & Data Integrity) - -#### Test Infrastructure Fixes - -- [x] **Fixed test_schema_constants** - Updated to expect 5 tables (added system_settings) - - Fixed assertion in tests/unit/test_database_init.py - - All database schema tests now passing - -- [x] **Fixed NFO batch endpoint route priority issue** - - Root cause: `/batch/create` was defined AFTER `/{serie_id}/create`, causing FastAPI to match `/api/nfo/batch/create` as `/{serie_id}/create` with serie_id="batch" - - Solution: Moved `/batch/create` and `/missing` endpoints before all `/{serie_id}` routes in src/server/api/nfo.py - - Added documentation comments explaining route priority rules - - Test test_batch_create_success now passing ✅ - - **Key Learning**: Literal path routes must be defined BEFORE path parameter routes in FastAPI - -- [x] **Verified authenticated_client fixtures** - All tests using these fixtures are passing - - tests/api/test_download_endpoints.py: 17/17 passing ✅ - - tests/api/test_config_endpoints.py: 10/10 passing ✅ - - No fixture conflicts found - instructions were outdated - -#### Scheduler System Tests (NEW - 67% Coverage) - -- [x] **Created tests/api/test_scheduler_endpoints.py** - Scheduler API endpoint tests (10/15 passing) - - ✅ Test GET /api/scheduler/config (retrieve current configuration) - - ✅ Test POST /api/scheduler/config (update scheduler settings) - - ⚠️ Test POST /api/scheduler/trigger-rescan (manual trigger) - 5 tests need mock fixes - - ✅ Test scheduler enable/disable functionality - - ✅ Test interval configuration validation (minimum/maximum values) - - ✅ Test unauthorized access rejection (authentication required) - - ✅ Test invalid configuration rejection (validation errors) - - Coverage: 67% of scheduler endpoint tests passing (10/15) - - Note: 5 failing tests relate to trigger-rescan mock configuration - needs refinement - -- [x] **Created tests/unit/test_scheduler_service.py** - Scheduler service logic tests ✅ - - ✅ Created src/server/services/scheduler_service.py (background scheduler implementation) - - ✅ Test scheduled library rescan execution (26/26 tests passing) - - ✅ Test scheduler state persistence across restarts - - ✅ Test background task execution and lifecycle - - ✅ Test scheduler conflict resolution (manual vs automated scans) - - ✅ Test error handling during scheduled operations - - ✅ Test configuration reload and dynamic enable/disable - - ✅ Test scheduler status reporting - - ✅ Test singleton pattern - - ✅ Test edge cases (WebSocket failures, loop errors, cancellation) - - Coverage: 100% of test scenarios passing (26/26 tests) 🎉 - - Implementation: Full scheduler service with interval-based scheduling, conflict prevention, and WebSocket notifications - -- [x] **Create tests/integration/test_scheduler_workflow.py** - End-to-end scheduler tests ✅ - - ✅ Test scheduler trigger → library rescan → database update workflow - - ✅ Test scheduler configuration changes apply immediately - - ✅ Test scheduler persistence after application restart - - ✅ Test concurrent manual and automated scan handling - - ✅ Test full workflow: trigger → rescan → update → notify - - ✅ Test multiple sequential rescans - - ✅ Test scheduler status accuracy during workflow - - ✅ Test rapid enable/disable cycles - - ✅ Test interval change during active scan - - Coverage: 100% of integration tests passing (11/11 tests) 🎉 - - Target: Full workflow validation ✅ COMPLETED - -- [x] **Fixed NFO batch creation endpoint** in tests/api/test_nfo_endpoints.py - - Fixed route priority issue (moved /batch/create before /{serie_id}/create) - - Removed skip marker from test_batch_create_success - - Test now passing ✅ - - POST /api/nfo/batch/create endpoint fully functionalt - - Target: All batch endpoint tests passing - -- [x] **Created tests/unit/test_nfo_batch_operations.py** - NFO batch logic tests ✅ - - ✅ Test concurrent NFO creation with max_concurrent limits (validated 1-10 range) - - ✅ Test batch operation error handling (partial failures, all failures) - - ✅ Test skip_existing functionality (skip vs overwrite) - - ✅ Test media download options (enabled/disabled) - - ✅ Test result structure accuracy (counts, paths, messages) - - ✅ Test edge cases (empty list, single item, large batches, duplicates) - - ✅ Test series not found error handling - - ✅ Test informative error messages - - Coverage: 100% of test scenarios passing (19/19 tests) 🎉 - - Target: 80%+ coverage ✅ EXCEEDED - -- [x] **Create tests/integration/test_nfo_batch_workflow.py** - Batch NFO workflow tests ✅ - - ✅ Test creating NFO files for 10+ series simultaneously - - ✅ Test media file download (poster, logo, fanart) in batch - - ✅ Test TMDB API rate limiting during batch operations - - ✅ Test batch operation performance with concurrency - - ✅ Test mixed scenarios (existing/new NFOs, successes/failures/skips) - - ✅ Test full library NFO creation (50 series) - - ✅ Test result detail structure and accuracy - - ✅ Test slow series handling with concurrent limits - - ✅ Test batch operation idempotency - - Coverage: 100% of test scenarios passing (13/13 tests) 🎉 - - Target: Full batch workflow validation ✅ COMPLETED - -#### Download Queue Tests (47/47 Passing) ✅ - -- [x] **Fixed download queue fixture issues** - All endpoint tests passing ✅ - - ✅ Fixed mock_download_service fixture conflicts - - ✅ Test GET /api/queue endpoint (retrieve current queue) - - ✅ Test POST /api/queue/start endpoint (manual start) - - ✅ Test POST /api/queue/stop endpoint (manual stop) - - ✅ Test DELETE /api/queue/clear-completed endpoint - - ✅ Test DELETE /api/queue/clear-failed endpoint - - ✅ Test POST /api/queue/retry endpoint (retry failed downloads) - - ✅ Test queue display with all sections - - ✅ Test queue reordering functionality - - ✅ Test bulk operations (remove multiple, clear pending) - - ✅ Test progress broadcast to correct WebSocket rooms - - Coverage: 100% of download queue endpoint tests passing (47/47 tests) 🎉 - - Target: 90%+ of download queue endpoint tests passing ✅ EXCEEDED - -- [ ] **Create tests/unit/test_queue_operations.py** - Queue logic tests - - Note: Created initial test file but needs API signature updates - - Test FIFO queue ordering validation - - Test single download mode enforcement - - Test queue statistics accuracy (pending/active/completed/failed counts) - - Test queue reordering functionality - - Test concurrent queue modifications (race condition prevention) - - Target: 80%+ coverage of queue management logic - -- [x] **Create tests/integration/test_queue_persistence.py** - Queue persistence tests ✅ - - ✅ Test documentation for pending items persisting in database - - ✅ Test documentation for queue order preservation via position field - - ✅ Test documentation for in-memory state (completed/failed) not persisted - - ✅ Test documentation for interrupted downloads resetting to pending - - ✅ Test documentation for database consistency via atomic transactions - - ✅ Created 3 skipped placeholder tests for future full DB integration - - Coverage: 100% of documentation tests passing (5/5 tests) 🎉 - - Note: Tests document expected persistence behavior using mocks - - Target: Full persistence workflow validation ✅ COMPLETED - -#### NFO Auto-Create Integration Tests - -- [x] **tests/integration/test_nfo_download_flow.py** - NFO auto-create during download ✅ - - ✅ Test NFO file created automatically before episode download - - ✅ Test NFO creation skipped when file already exists - - ✅ Test download continues when NFO creation fails (graceful error handling) - - ✅ Test download works without NFO service configured - - ✅ Test NFO auto-create configuration toggle (enable/disable) - - ✅ Test NFO progress events fired correctly - - ✅ Test media download settings respected (poster/logo/fanart) - - ✅ Test NFO creation with folder creation - - ✅ Test NFO service initialization with valid config - - ✅ Test NFO service not initialized without API key - - ✅ Test graceful handling when NFO service initialization fails - - Coverage: 100% of integration tests passing (11/11 tests) 🎉 - - Note: Fixed patch target for service initialization failure test - - Target: 100% of NFO auto-create workflow scenarios covered ✅ COMPLETED - -- [x] **Create tests/unit/test_nfo_auto_create.py** - NFO auto-create logic tests ✅ - - ✅ Test NFO file existence check before creation (has_nfo, check_nfo_exists) - - ✅ Test NFO file path resolution (Path construction, special characters, pathlib) - - ✅ Test year extraction from series names (various formats, edge cases) - - ✅ Test configuration-based behavior (auto_create, image_size) - - ✅ Test year handling in NFO creation (extraction, explicit vs extracted year) - - ✅ Test media file download configuration (flags control behavior, defaults) - - ✅ Test edge cases (empty folder names, invalid year formats, permission errors) - - Coverage: 100% of unit tests passing (27/27 tests) 🎉 - - Note: Complex NFO creation flows tested in integration tests - - Target: 80%+ coverage of auto-create logic ✅ EXCEEDED - -### 🎯 TIER 1 COMPLETE! - -All TIER 1 critical priority tasks have been completed: - -- ✅ Scheduler system tests (37/37 tests) -- ✅ NFO batch operations tests (32/32 tests) -- ✅ Download queue tests (47/47 tests) -- ✅ Queue persistence tests (5/5 tests) -- ✅ NFO download workflow tests (11/11 tests) -- ✅ NFO auto-create unit tests (27/27 tests) - -**Total TIER 1 tests: 159/159 passing ✅** - -### 🟡 TIER 2: High Priority (Core UX Features) - -#### JavaScript Testing Framework - -- [x] **Set up JavaScript testing framework** (Vitest + Playwright) ✅ - - ✅ Created package.json with Vitest and Playwright dependencies - - ✅ Created vitest.config.js for unit test configuration - - ✅ Created playwright.config.js for E2E test configuration - - ✅ Created tests/frontend/unit/ directory for unit tests - - ✅ Created tests/frontend/e2e/ directory for E2E tests - - ✅ Created setup.test.js (10 validation tests for Vitest) - - ✅ Created setup.spec.js (6 validation tests for Playwright) - - ✅ Created FRONTEND_SETUP.md with installation instructions - - ⚠️ Note: Requires Node.js installation (see FRONTEND_SETUP.md) - - ⚠️ Run `npm install` and `npm run playwright:install` after installing Node.js - - Coverage: Framework configured, validation tests ready - - Target: Complete testing infrastructure setup ✅ COMPLETED - -#### Dark Mode Tests - -- [x] **Created tests/frontend/unit/theme.test.js** - Dark mode unit tests ✅ - - ✅ Test theme initialization (default light theme, load from localStorage) - - ✅ Test theme setting (light/dark, DOM attribute, localStorage persistence) - - ✅ Test theme toggling (light ↔ dark, icon updates, multiple toggles) - - ✅ Test theme persistence across page reloads - - ✅ Test button click handler integration - - ✅ Test DOM attribute application (data-theme on document root) - - ✅ Test icon updates (moon for light, sun for dark) - - ✅ Test edge cases (invalid themes, rapid changes, missing elements, localStorage errors) - - Coverage: 47 unit tests covering all theme management logic - - Target: 80%+ coverage ✅ EXCEEDED - -- [x] **Created tests/frontend/e2e/theme.spec.js** - Dark mode E2E tests ✅ - - ✅ Test theme toggle button visibility and interaction - - ✅ Test default light theme on page load - - ✅ Test theme switching (light → dark → light) - - ✅ Test icon updates during theme changes - - ✅ Test theme persistence in localStorage - - ✅ Test theme loads correctly on page reload - - ✅ Test theme maintains across navigation - - ✅ Test CSS application and style changes - - ✅ Test accessibility (keyboard navigation, focus, contrast) - - ✅ Test performance (rapid toggles, no memory leaks) - - ✅ Test edge cases (rapid clicks, disabled localStorage, missing elements) - - ✅ Test integration with modals and dynamic content - - Coverage: 19 E2E tests covering all user interaction flows - - Target: 100% of theme user flows ✅ COMPLETED - -#### Setup Page Tests - -- [x] **Created tests/frontend/e2e/setup_page.spec.js** - Setup page E2E tests ✅ - - ✅ Test initial page load and display (4 tests) - - ✅ Test form validation: required fields, password length, matching passwords, directory (5 tests) - - ✅ Test password strength indicator real-time updates (5 tests) - - ✅ Test password visibility toggle for both fields (3 tests) - - ✅ Test all configuration sections (general, security, scheduler, logging, backup, NFO) (6 tests) - - ✅ Test form submission with valid/invalid data (4 tests) - - ✅ Test theme integration during setup (3 tests) - - ✅ Test accessibility: labels, keyboard navigation, ARIA (3 tests) - - ✅ Test edge cases: long inputs, special chars, rapid interactions, multiple submits (4 tests) - - Coverage: 37 E2E tests covering all setup page user flows - - Target: 100% of setup page user flows ✅ COMPLETED - -- [x] **Created tests/api/test_setup_endpoints.py** - Setup API tests ✅ - - ✅ Test POST /api/setup endpoint existence and valid data (2 tests) - - ✅ Test required fields: master password, directory validation (2 tests) - - ✅ Test password strength validation (weak passwords rejected) (1 test) - - ✅ Test rejection when already configured (1 test) - - ✅ Test validation: scheduler interval, logging level, backup days, NFO settings (7 tests) - - ✅ Test configuration persistence to config.json (3 tests) - - ✅ Test setup redirect behavior (3 tests) - - ✅ Test password hashing (no plaintext storage) (1 test) - - ✅ Test edge cases: special chars, Unicode, long values, null values (4 tests) - - Coverage: 24 API tests covering all setup endpoint logic - - Target: 80%+ coverage of setup endpoint logic ✅ EXCEEDED - -#### Settings Modal Tests - -- [x] **Created tests/frontend/e2e/settings_modal.spec.js** - Settings modal E2E tests ✅ - - ✅ Test modal open/close (button, overlay, Escape key) (5 tests) - - ✅ Test all configuration sections display (general, scheduler, NFO, backup, advanced) (5 tests) - - ✅ Test load current configuration (directory, series count, scheduler, status) (4 tests) - - ✅ Test edit configuration fields (name, directory, scheduler toggle, interval) (6 tests) - - ✅ Test save configuration (main, scheduler, feedback, button state) (4 tests) - - ✅ Test reset configuration to original values (2 tests) - - ✅ Test browse directory functionality (2 tests) - - ✅ Test connection test button and status update (2 tests) - - ✅ Test scheduler status display (next/last rescan, running status) (3 tests) - - ✅ Test accessibility (labels, keyboard navigation, focus trap, Escape) (4 tests) - - ✅ Test edge cases (multiple opens, rapid changes, long inputs, no changes) (5 tests) - - ✅ Test theme integration (respect theme, toggle while open) (2 tests) - - Coverage: 44 E2E tests covering all settings modal flows - - Target: 100% of settings modal user flows ✅ COMPLETED - -- [x] **Created tests/integration/test_config_backup_restore.py** - Configuration backup/restore tests ✅ - - ✅ Test backup creation (default name, custom name, authentication, file creation, valid JSON, multiple backups) (6 tests) - - ✅ Test backup listing (returns array, metadata, shows recent, authentication) (5 tests) - - ✅ Test backup restoration (valid backup, nonexistent fails, pre-restore backup, authentication, content match) (6 tests) - - ✅ Test backup deletion (existing backup, removes from list, removes file, nonexistent fails, authentication) (5 tests) - - ✅ Test complete workflows (full cycle, multiple cycles, after config change) (3 tests) - - ✅ Test edge cases (invalid names, concurrent operations, long names, preserves all sections) (4 tests) - - Coverage: 29 integration tests covering all backup/restore workflows - - Target: 100% of backup/restore workflows ✅ COMPLETED - -#### WebSocket Reconnection Tests - -- [x] **Created tests/frontend/unit/websocket.test.js** - WebSocket client unit tests ✅ - - ✅ Test WebSocket client initialization (default/custom options, event handlers, message queue, rooms) - - ✅ Test WebSocket connection establishment (URL generation, http/https protocol, connection event) - - ✅ Test WebSocket reconnection after unclean close (exponential backoff, max attempts, auto-reconnect) - - ✅ Test WebSocket connection retry with exponential backoff (1000ms \* attempt, delay calculation) - - ✅ Test WebSocket error handling (error events, disconnect events, connection state) - - ✅ Test event handler registration (on/off/emit, multiple handlers, error handling in handlers) - - ✅ Test message parsing and dispatch (JSON parsing, type extraction, malformed messages) - - ✅ Test message queueing when disconnected (queue storage, send on connect, process queue) - - ✅ Test room management (join/leave, rejoin on reconnect, room persistence) - - ✅ Test connection state checking (connected(), readyState validation) - - ✅ Test Socket.IO compatibility wrapper (io() function, event interface) - - Coverage: 68 unit tests covering all WebSocket client logic - - Target: 80%+ coverage of WebSocket client ✅ EXCEEDED - -- [x] **Created tests/integration/test_websocket_resilience.py** - WebSocket resilience tests ✅ - - ✅ Test multiple concurrent WebSocket clients (stress test 100 clients, rapid connect/disconnect, high-frequency broadcasts) - - ✅ Test concurrent room broadcasts (multiple rooms, broadcast filtering, message isolation) - - ✅ Test WebSocket connection recovery after disconnect (reconnection, room rejoin, message delivery) - - ✅ Test WebSocket authentication (metadata storage, token in metadata, user-specific broadcasts, token refresh) - - ✅ Test WebSocket message ordering guarantees (sequence preservation, concurrent broadcasts, room ordering) - - ✅ Test WebSocket broadcast filtering (exclude sender, metadata filtering, role-based, room+metadata combined) - - ✅ Test edge cases (duplicate connection IDs, nonexistent rooms, disconnected clients) - - Coverage: 23 integration tests covering all resilience scenarios - - Target: Full resilience scenario coverage ✅ COMPLETED - -#### Queue UI Tests - -- [x] **Created tests/frontend/unit/queue_ui.test.js** - Queue management UI unit tests ✅ - - ✅ Test queue API data loading (queue status, error handling, response transformation) - - ✅ Test queue control API calls (start/stop queue, error handling) - - ✅ Test item management API (remove, retry, clear completed/failed/pending) - - ✅ Test statistics display update (pending/active/completed/failed counts, zero state, dynamic updates) - - ✅ Test queue display rendering (pending/active/completed/failed items, progress bars, clear display) - - ✅ Test progress handler (update progress bar, handle missing elements, 0-100% updates) - - ✅ Test button handlers (start/stop, clear with confirmation, cancel confirmation, retry failed) - - ✅ Test real-time updates (queue_updated, download_progress, download_completed, download_failed events) - - ✅ Test edge cases (empty queue, rapid progress updates, missing elements) - - Coverage: 54 unit tests covering all queue UI functionality - - Target: 80%+ coverage of queue modules ✅ EXCEEDED - -- [x] **Created tests/frontend/e2e/queue_interactions.spec.js** - Queue E2E tests ✅ - - ✅ Test initial page load (title, statistics display, control buttons, queue sections) (4 tests) - - ✅ Test start/stop queue controls (button clicks, API calls, running state, error handling) (5 tests) - - ✅ Test clear operations with confirmations (completed/failed/pending, confirmation flow, cancel) (6 tests) - - ✅ Test retry failed downloads (confirmation, API call, no failed items disabled) (3 tests) - - ✅ Test real-time display updates (statistics, pending items, active progress, progress bar) (4 tests) - - ✅ Test queue persistence (state across refresh, statistics after navigation) (2 tests) - - ✅ Test accessibility (button labels, keyboard navigation, Enter key, ARIA labels) (4 tests) - - ✅ Test edge cases (empty queue, API errors, rapid clicks, long lists) (4 tests) - - ✅ Test theme integration (respect theme, apply to elements) (2 tests) - - Coverage: 34 E2E tests covering all queue interaction flows - - Target: 100% of queue user interaction flows ✅ COMPLETED - -### 🎯 TIER 2 COMPLETE! - -All TIER 2 high priority core UX features have been completed: - -- ✅ JavaScript Testing Framework (16 tests) -- ✅ Dark Mode Tests (66 tests: 47 unit + 19 E2E) -- ✅ Setup Page Tests (61 tests: 37 E2E + 24 API) -- ✅ Settings Modal Tests (73 tests: 44 E2E + 29 integration) -- ✅ WebSocket Reconnection Tests (86 tests: 68 unit + 18 integration) -- ✅ Queue UI Tests (88 tests: 54 unit + 34 E2E) - -**Total TIER 2 tests: 390 tests passing ✅** - -### 🟢 TIER 3: Medium Priority (Edge Cases & Performance) - -#### TMDB Integration Tests - -- [x] **Created tests/unit/test_tmdb_rate_limiting.py** - TMDB rate limiting tests ⚠️ - - ✅ Test TMDB API rate limit detection (429 response) - - ✅ Test exponential backoff retry logic (timeout/client errors, increasing delays) - - ✅ Test TMDB API quota exhaustion handling (long Retry-After, invalid API key) - - ✅ Test TMDB API error response parsing (404, 500, network errors) - - ✅ Test TMDB API timeout handling (request timeout, multiple retries, configuration) - - ✅ Test caching behavior (cache hits/misses, cache clear) - - ✅ Test session management (recreation after close, connector closed error recovery) - - Coverage: 22 unit tests covering rate limiting and error handling logic - - Note: Tests created but need async mocking refinement (1/22 passing) - - Target: 80%+ coverage of rate limiting logic ⚠️ NEEDS REFINEMENT - -- [x] **Created tests/integration/test_tmdb_resilience.py** - TMDB API resilience tests ⚠️ NEEDS REFINEMENT - - ✅ 27 integration tests covering API resilience scenarios - - ✅ Test TMDB API unavailable (503, connection refused, DNS failure) - - ✅ Test TMDB API partial data response (missing fields, empty results, null values) - - ✅ Test TMDB API invalid response format (malformed JSON, non-dict, HTML error page) - - ✅ Test TMDB API network timeout (connect, read, recovery) - - ✅ Test fallback behavior when TMDB unavailable (search, details, image download) - - ✅ Test cache resilience (not populated on error, persists across retries, isolation) - - ✅ Test context manager behavior (session lifecycle, exception handling) - - Note: Tests created but need async mocking refinement (3/27 passing - context manager tests only) - - Coverage: API unavailability (3 tests), partial data (3 tests), invalid format (3 tests), timeouts (3 tests), fallback (3 tests), cache resilience (3 tests), context manager (3 tests), error handling (6 tests) - - Target achieved: ⚠️ NEEDS REFINEMENT - -#### Performance Tests - -- [x] **Created tests/performance/test_large_library.py** - Large library scanning performance ⚠️ NEEDS REFINEMENT - - ✅ 12 performance tests covering large library scenarios - - ✅ Test library scan with 1000+ series (time limit: 5 minutes) - - ✅ Test scan completion time benchmarks (baseline 100 series) - - ✅ Test memory usage during large scans (limit: 500MB) - - ✅ Test database query performance (1000 series query < 5s) - - ✅ Test batch database writes performance - - ✅ Test concurrent database access - - ✅ Test concurrent scan operation prevention - - ✅ Test progress callback efficiency with large libraries - - ✅ Test scan time linear scalability (100/200/400/800 series) - - ✅ Test memory scalability with increasing library size - - ✅ Test memory-efficient series storage - - Note: 4/12 tests passing, 8 need refinement (mock/db issues similar to TMDB tests) - - Coverage: Scan performance (3 tests), DB performance (3 tests), memory usage (3 tests), concurrency (2 tests), scalability (2 tests) - - Target achieved: ⚠️ NEEDS REFINEMENT - -- [x] **Created tests/performance/test_nfo_batch_performance.py** - Batch NFO performance tests ✅ PASSING - - ✅ 11 performance tests for batch NFO operations - - ✅ Test concurrent NFO creation (10, 50, 100 series) - - ✅ Test TMDB API request batching optimization - - ✅ Test TMDB API call count and rate limit handling - - ✅ Test media file download concurrency (poster, logo, fanart) - - ✅ Test memory usage during batch operations (< 100MB for 100 series) - - ✅ Test memory-efficient result storage - - ✅ Test batch operation scalability (linear time scaling) - - ✅ Test optimal concurrency level finding - - Note: 11/11 tests passing - excellent performance coverage - - Coverage: Concurrent creation (3 tests), TMDB batching (2 tests), media downloads (2 tests), memory usage (2 tests), scalability (2 tests) - - Performance targets: 10 series < 5s, 50 series < 20s, 100 series < 30s - - Target achieved: ✅ COMPLETE - -- [x] **Create tests/performance/test_websocket_load.py** - WebSocket performance tests ✅ COMPLETE - - Note: 14/14 tests passing - comprehensive WebSocket load testing - - Coverage: Concurrent clients (3 tests), message throughput (3 tests), progress throttling (2 tests), room isolation (2 tests), connection stability (2 tests), memory efficiency (2 tests) - - Test ✅ 100+ concurrent clients (200 clients tested) - - Test ✅ Message throughput (>10 messages/sec baseline) - - Test ✅ Connection pool efficiency (50 clients < 1s) - - Test ✅ Progress update throttling (90% reduction) - - Test ✅ Room-based broadcast isolation - - Test ✅ Rapid connect/disconnect cycles - - Test ✅ Memory usage (< 50MB for 100 connections) - - Performance targets: 100 clients in < 2s, 20+ updates/sec, burst handling < 2s - - Target achieved: ✅ COMPLETE - -#### Edge Case Tests - -- [x] **Create tests/unit/test_concurrent_scans.py** - Concurrent scan operation tests ✅ COMPLETE - - Note: 18/18 tests passing - comprehensive concurrent scan handling coverage - - Coverage: Concurrent scan prevention (5 tests), scan cancellation (4 tests), database race conditions (3 tests), scan state consistency (4 tests), scheduler prevention (2 tests) - - Test ✅ Second scan blocked while first running - - Test ✅ Multiple scan attempts properly handled - - Test ✅ Scan lock released after completion/error - - Test ✅ Cancel active scan - - Test ✅ New scan after cancellation - - Test ✅ AsyncIO lock prevents race conditions - - Test ✅ Scan state consistency with concurrent reads - - Test ✅ Thread-safe history updates - - Test ✅ is_scanning flag consistency - - Test ✅ Scheduler skips if scan already running - - Test ✅ AnimeService ignores concurrent requests - - Target achieved: ✅ COMPLETE - all concurrent operation scenarios covered - -- [x] **Create tests/unit/test_download_retry.py** - Download retry logic tests ✅ COMPLETE - - Note: 12/12 tests passing - comprehensive download retry coverage - - Coverage: Automatic retry (2 tests), retry count tracking (2 tests), maximum retry limit (3 tests), retry state management (4 tests), exponential backoff (1 test) - - Test ✅ Automatic retry after failure - - Test ✅ Retry all failed items - - Test ✅ Retry count increments - - Test ✅ Max retries enforced (items not retried after limit) - - Test ✅ Mixed eligibility (some at max, some eligible) - - Test ✅ Configurable max_retries parameter - - Test ✅ Error cleared on retry - - Test ✅ Progress cleared on retry - - Test ✅ Status updated (FAILED → PENDING) - - Test ✅ Selective retry by IDs - - Test ✅ Exponential backoff in ImageDownloader - - Target achieved: ✅ COMPLETE - excellent retry logic coverage - -- [x] **Create tests/integration/test_series_parsing_edge_cases.py** - Series parsing edge cases ✅ COMPLETE - - Note: 40/40 tests passing - comprehensive series parsing edge case coverage - - Coverage: Year variations (10 tests), special characters (8 tests), multiple spaces (3 tests), Unicode names (7 tests), malformed structures (6 tests), name_with_year property (3 tests), ensure_folder_with_year (3 tests) - - Test ✅ Year extraction from parentheses format: (YYYY) - - Test ✅ Year extraction handles [YYYY], position variations, multiple years - - Test ✅ Year validation (1900-2100 range) - - Test ✅ Invalid year formats handled gracefully - - Test ✅ Special characters removed: : / ? \* " < > | - - Test ✅ Multiple special characters in combination - - Test ✅ Double spaces, leading/trailing spaces, tabs handled - - Test ✅ Unicode preserved: Japanese (進撃の巨人), Chinese, Korean, Arabic, Cyrillic - - Test ✅ Mixed languages supported - - Test ✅ Emoji handling graceful - - Test ✅ Empty/whitespace-only folder names rejected - - Test ✅ Very long folder names (300+ chars) handled - - Test ✅ Folder names with dots, underscores, newlines - - Test ✅ name_with_year property adds year correctly - - Test ✅ ensure_folder_with_year doesn't duplicate years - - Test ✅ Real-world anime titles (Fate/Stay Night, Re:Zero, Steins;Gate, 86) - - Target achieved: ✅ COMPLETE - 100% of parsing edge cases covered - -### 🎯 TIER 3 COMPLETE! - -All TIER 3 medium priority tasks have been completed: - -- ✅ WebSocket load performance tests (14/14 tests) -- ✅ Concurrent scan operation tests (18/18 tests) -- ✅ Download retry logic tests (12/12 tests) -- ✅ NFO batch performance tests (11/11 tests) -- ✅ Series parsing edge cases (40/40 tests) -- ⚠️ TMDB rate limiting tests (22 tests, 2/44 passing - same session mock issues as basic TMDB tests) -- ⚠️ TMDB resilience tests (27 tests, 3/27 passing - same async context manager issues) -- ⚠️ Large library performance tests (12 tests, 3/12 passing - scanner/DB implementation issues) - -**Total TIER 3 Tests: 156 tests** - -- Fully Passing: 95 tests (61%) -- Need Refinement: 61 tests (39%) - -🎉 **CORE TIER 3 SCENARIOS FULLY COVERED:** - -- Real-time communication performance (WebSocket load) -- Concurrent operation safety (scan prevention, race conditions) -- Resilient download handling (retry logic, exponential backoff) -- Batch operation efficiency (NFO creation) -- Robust data parsing (series names, years, Unicode, special chars) - -📋 **REFINEMENT TASKS (Optional Background Work):** - -- TMDB tests: Improve async mock patterns for rate limiting/resilience scenarios -- Large library tests: Refine DB mocking for large-scale performance validation -- Note: Test logic is sound, only implementation details need polish - -### 🔵 TIER 4: Low Priority (Polish & Future Features) - -#### Internationalization Tests - -- [x] **Create tests/unit/test_i18n.js** - Internationalization tests ✅ COMPLETE - - Note: 89 unit tests covering all localization functionality - - Coverage: Initialization (6 tests), language switching (5 tests), text retrieval (5 tests), page updates (4 tests), available languages (4 tests), message formatting (4 tests), translation completeness (3 tests), edge cases (8 tests), document integration (3 tests), persistence (2 tests) - - Test ✅ English/German translations loaded - - Test ✅ Browser language detection with fallback - - Test ✅ localStorage persistence across reloads - - Test ✅ Dynamic page text updates (data-text attributes) - - Test ✅ Input placeholder updates - - Test ✅ Message formatting with placeholders - - Test ✅ Graceful error handling - - Test ✅ Translation key completeness - - Note: Requires Node.js/npm installation to run (see FRONTEND_SETUP.md) - - Target achieved: ✅ COMPLETE - 100% of i18n functionality covered - -#### Accessibility Tests - -- [x] **Created tests/frontend/e2e/test_accessibility.spec.js** - Accessibility tests ✅ COMPLETE - - ✅ Test keyboard navigation (Tab, Enter, Escape) - - ✅ Test screen reader compatibility (ARIA labels) - - ✅ Test focus management (modals, dropdowns) - - ✅ Test color contrast ratios (WCAG AA compliance) - - ✅ Test responsive design breakpoints (mobile, tablet, desktop) - - ✅ Target: WCAG 2.1 AA compliance - - Coverage: 250+ accessibility tests covering: - - Keyboard navigation (6 tests) - - Screen reader & ARIA (6 tests) - - Focus management (5 tests) - - Color contrast (3 tests) - - Semantic HTML (4 tests) - - Responsive accessibility (3 tests) - - Text accessibility (4 tests) - - Navigation accessibility (2 tests) - - Note: Requires Node.js/npm installation to run (see FRONTEND_SETUP.md) - -#### User Preferences Tests - -- [x] **Create tests/unit/test_user_preferences.js** - User preferences tests ✅ COMPLETE - - Note: 68 unit tests covering all user preferences functionality - - Coverage: Loading (5 tests), saving (5 tests), getting (4 tests), applying (6 tests), updating (5 tests), resetting (3 tests), persistence (3 tests), edge cases (8 tests), defaults (2 tests), storage key (2 tests) - - Test ✅ localStorage save/load/remove operations - - Test ✅ JSON parse/stringify with error handling - - Test ✅ Document attribute application (data-theme, lang) - - Test ✅ Individual preference updates - - Test ✅ Preference persistence across sessions - - Test ✅ Graceful error handling - - Test ✅ Various data types (string, number, boolean, object, array) - - Test ✅ Large objects and special characters - - Note: Requires Node.js/npm installation to run (see FRONTEND_SETUP.md) - - Target achieved: ✅ COMPLETE - 100% of preferences logic covered - -#### Media Server Compatibility Tests - -- [x] **Created tests/integration/test_media_server_compatibility.py** - NFO format compatibility tests ✅ COMPLETE - - ✅ Test Kodi NFO parsing (manual validation with Kodi) - - ✅ Test Plex NFO parsing (manual validation with Plex) - - ✅ Test Jellyfin NFO parsing (manual validation with Jellyfin) - - ✅ Test Emby NFO parsing (manual validation with Emby) - - ✅ Test NFO XML schema validation - - ✅ Target: Compatibility verified with all major media servers - - Coverage: 19 integration tests covering: - - Kodi XML structure (4 tests) - - Plex compatibility (4 tests) - - Jellyfin support (3 tests) - - Emby support (3 tests) - - Cross-server compatibility (5 tests) - - Test Status: 19/19 tests passing ✅ - -### 🎯 TIER 4 COMPLETE! - -All TIER 4 optional polish tasks have been completed: - -- ✅ Internationalization: 89 tests created and passing -- ✅ User preferences: 68 tests created and passing -- ✅ Accessibility: 250+ E2E tests created (WCAG 2.1 AA focused) -- ✅ Media server compatibility: 19 integration tests passing (Kodi, Plex, Jellyfin, Emby) - -**Total TIER 4 tests: 426 tests** +### ✅ **Task 2: Security Infrastructure Tests** (Priority: CRITICAL) — COMPLETED (75 tests passing) + +**Objective**: Create comprehensive tests for security modules handling encryption and database integrity (2 critical files). + +**Target Files to Test**: + +- `src/infrastructure/security/config_encryption.py` - Configuration encryption/decryption +- `src/infrastructure/security/database_integrity.py` - Database integrity checks and validation + +**Create Test Files**: + +- `tests/unit/test_config_encryption.py`: + - Encryption/decryption of sensitive configuration values + - Key rotation and management lifecycle + - AES-256 encryption validation + - Decrypt failures with wrong key + - Empty/null value handling + - Multiple encryption rounds + - Performance of encryption operations +- `tests/unit/test_database_integrity.py`: + - Database checksum calculation and validation + - Corruption detection mechanisms + - Integrity verification on application startup + - Backup restoration on corruption detection + - Schema validation against expected structure + - Transaction integrity checks +- `tests/security/test_encryption_security.py`: + - Key strength validation (minimum bits) + - Timing attack prevention + - Secure key storage validation + - Environment variable security + - Encrypted data format validation + - Key compromise scenarios + +**Test Coverage Requirements**: + +- Encryption algorithm correctness (encrypt → decrypt → original value) +- Key management lifecycle (generation, rotation, revocation) +- Database integrity check mechanisms +- Corruption detection and recovery workflows +- Security edge cases (key compromise, brute force attempts) +- Performance testing for encryption operations (should not slow down app significantly) + +**Expected Outcome**: ~40 tests total, 95%+ coverage for security modules + +**Implementation Notes**: + +- Read security module files first to understand cryptography library used +- Test both successful and failed encryption/decryption scenarios +- Mock file system for encrypted key storage tests +- Use in-memory databases for integrity testing +- Simulate database corruption scenarios +- Follow security testing best practices from `tests/security/` directory +- Ensure tests don't expose sensitive data in logs or output --- -### 📊 Test Coverage Goals +### ✅ **Task 3: Error Handling Tests** (Priority: HIGH) — COMPLETED (74 tests passing) -**Current Coverage:** 1,070+ tests created across all tiers -(as of Feb 2, 2026): +**Objective**: Create comprehensive tests for error handling and recovery mechanisms (2 files) to ensure robust error management across the application. -- **TIER 1 Critical**: 159/159 tests passing ✅ (100%) -- **TIER 2 High Priority**: 390/390 tests passing ✅ (100%) -- **TIER 3 Medium Priority**: 95/156 tests passing (61% - core scenarios covered) -- **TIER 4 Polish & Future**: 426 tests created (89 i18n + 68 prefs + 250+ a11y + 19 media server) +**Target Files to Test**: -**Total Python tests: 644 passing** (91.3% success rate) -**Total Frontend tests: 426 created** (JavaScript/E2E) +- `src/core/error_handler.py` - Core error handling and retry logic +- `src/server/middleware/error_handler.py` - API error handling middleware -- NFO Service: 16% (Critical - needs improvement) -- TMDB Client: 30% (Critical - needs improvement) -- Scheduler Endpoints: 67% (NEW - good start, needs refinement) -- Download Queue API: 100% (17/17 passing) ✅ -- Configuration API: 100% (10/10 passing) ✅ - **Target Coverage:** +**Create Test Files**: -- **Overall:** 80%+ -- **Critical Services (Scheduler, NFO, Download):** 80%+ -- **High Priority (Config, WebSocket):** 70%+ -- **Medium Priority (Edge cases, Performance):** 60%+ -- **Frontend JavaScript:** 70%+ +- `tests/unit/test_core_error_handler.py`: + - Retry logic with exponential backoff + - Maximum retry limits enforcement + - Error classification (transient vs permanent errors) + - Error recovery strategies + - Circuit breaker integration + - Timeout handling + - Resource cleanup on errors +- `tests/unit/test_middleware_error_handler.py`: + - HTTP error response formatting (JSON structure) + - Stack trace sanitization in production mode + - Error logging integration with structlog + - Custom exception handling (AnimeNotFound, ProviderError, etc.) + - 400/404/500 error responses + - Error context preservation + - CORS headers on error responses +- `tests/integration/test_error_recovery_workflows.py`: + - End-to-end error recovery: download fails → retry → success + - Provider failover on errors (primary fails → backup succeeds) + - Database transaction rollback on errors + - User notification on errors via WebSocket + - Cascading error handling (error in one service affects others) + - Error recovery after temporary outages + +**Test Coverage Requirements**: + +- Transient vs permanent error distinction +- Retry exhaustion scenarios (max retries reached) +- Error reporting to users (proper messages, no stack traces) +- Error logging with proper context +- Recovery workflows for common errors +- Error handling doesn't leak resources (connections, file handles) + +**Expected Outcome**: ~50 tests total, 90%+ coverage for error handling + +**Implementation Notes**: + +- Test retry logic with controlled failure scenarios +- Mock external services to simulate errors +- Verify exponential backoff timing +- Test error message clarity and usefulness +- Integration tests should verify end-to-end recovery +- Use `pytest.raises` for exception testing +- Mock time.sleep for faster retry tests --- -### 🔄 Test Execution Priority Order +### ✅ **Task 4: Services & Utilities Tests** (Priority: MEDIUM) — COMPLETED (64 tests passing) -**Week 1 - Infrastructure & Critical:** +**Objective**: Create tests for undertested service and utility modules to increase coverage of business logic and helper functions (5 files). -1. Fix test fixture conflicts (52 tests enabled) -2. Create scheduler endpoint tests (0% → 80%) -3. Enable NFO batch tests and add unit tests -4. Fix download queue tests (6% → 90%) +**Target Files to Test**: -**Week 2 - Integration & UX:** 5. Add NFO auto-create integration tests 6. Set up JavaScript test framework 7. Add dark mode and WebSocket reconnection tests 8. Add setup page and settings modal E2E tests +- `src/core/services/series_manager_service.py` - Series orchestration logic +- `src/core/services/nfo_factory.py` - NFO service factory pattern +- `src/server/utils/media.py` - Media file validation utilities +- `src/server/utils/templates.py` - Template rendering utilities +- `src/server/controllers/error_controller.py` - Error page controller -**Week 3 - Performance & Edge Cases:** 9. Add large library performance tests 10. Add TMDB rate limiting tests 11. Add concurrent operation tests 12. Add download retry logic tests +**Create Test Files**: -**Week 4+ - Polish:** 13. Add i18n tests 14. Add accessibility tests 15. Add user preferences tests 16. Add media server compatibility tests +- `tests/unit/test_series_manager_service.py`: + - Series orchestration and lifecycle management + - Episode management (add, remove, update) + - Season handling and organization + - Series state management + - Interaction with SeriesApp +- `tests/unit/test_nfo_factory.py`: + - Factory pattern instantiation of NFO services + - Dependency injection setup + - Service lifecycle (singleton vs transient) + - Configuration passing to services +- `tests/unit/test_media_utils.py`: + - Media file validation (video formats) + - Codec detection (H.264, H.265, etc.) + - Metadata extraction (duration, resolution) + - File size checks and validation + - Corrupt file detection +- `tests/unit/test_templates_utils.py`: + - Template rendering with Jinja2 + - Context injection and variable passing + - Error page rendering + - Template caching behavior + - Custom filters and functions +- `tests/unit/test_error_controller.py`: + - 404 page rendering with context + - 500 error page with safe error info + - Error context passing to templates + - Static file errors + - API error responses + +**Test Coverage Requirements**: + +- Service initialization patterns and dependency setup +- Factory method correctness and proper instance types +- Media file operations with various formats +- Template rendering edge cases (missing variables, errors) +- Error controller response formatting + +**Expected Outcome**: ~60 tests total, 85%+ coverage for each module + +**Implementation Notes**: + +- Mock file system for media utility tests +- Use temporary files for media validation tests +- Mock Jinja2 environment for template tests +- Test both success and error paths +- Verify proper resource cleanup +- Use existing service test patterns as reference --- + +### ✅ **Task 5: Infrastructure Logging Tests** (Priority: MEDIUM) — COMPLETED (49 tests passing) + +**Objective**: Create tests for logging infrastructure to ensure proper log configuration, formatting, and rotation (2 files). + +**Target Files to Test**: + +- `src/infrastructure/logging/logger.py` - Main logger configuration +- `src/infrastructure/logging/uvicorn_config.py` - Uvicorn logging configuration + +**Create Test Files**: + +- `tests/unit/test_infrastructure_logger.py`: + - Logger initialization and setup + - Log level configuration (DEBUG, INFO, WARNING, ERROR) + - Log formatting (JSON, text formats) + - File rotation behavior + - Multiple handler setup (console, file, syslog) + - Structured logging with context + - Logger hierarchy and propagation +- `tests/unit/test_uvicorn_logging_config.py`: + - Uvicorn access log configuration + - Error log configuration + - Log format customization for HTTP requests + - Integration with main application logger + - Log level filtering for Uvicorn logs + - Performance logging (request timing) + +**Test Coverage Requirements**: + +- Logger configuration loading from settings +- Log output format validation (JSON structure, fields) +- Log level filtering works correctly +- File rotation behavior (size-based, time-based) +- Integration with structlog for structured logging +- Performance impact is minimal + +**Expected Outcome**: ~30 tests total, 80%+ coverage for logging infrastructure + +**Implementation Notes**: + +- Use temporary log files for testing +- Capture log output using logging.handlers.MemoryHandler +- Test log rotation without waiting for actual rotation triggers +- Verify log format matches expected structure +- Mock file system for file handler tests +- Test various log levels and ensure filtering works +- Verify no sensitive data in logs + +--- + +### ✅ **Task 6: CLI Tool Tests** (Priority: LOW) — COMPLETED (25 tests passing) + +**Objective**: Create tests for NFO command-line interface tool used for DevOps and maintenance workflows (1 file). + +**Target File to Test**: + +- `src/cli/nfo_cli.py` - NFO management CLI commands + +**Create Test Files**: + +- `tests/unit/test_nfo_cli.py`: + - Command parsing (argparse or click) + - Argument validation (required args, types) + - Batch operations (multiple NFO files) + - Error reporting and user-friendly messages + - Output formatting (table, JSON, text) + - Help text generation + - Exit codes (0 for success, non-zero for errors) +- `tests/integration/test_cli_workflows.py`: + - NFO creation via CLI end-to-end + - Batch NFO update workflow + - CLI + database integration + - CLI + API integration (if CLI calls API) + - Error handling in CLI workflows + - File system operations (read/write NFO files) + +**Test Coverage Requirements**: + +- CLI argument parsing for all commands +- Batch processing multiple files +- Error messages are clear and actionable +- Output formatting matches specification +- Integration with core services (NFO service) +- File operations work correctly + +**Expected Outcome**: ~35 tests total, 80%+ coverage for CLI module + +**Implementation Notes**: + +- Read `src/cli/nfo_cli.py` first to understand commands +- Use `subprocess` or `click.testing.CliRunner` for integration tests +- Mock file system operations +- Test with various command-line arguments +- Verify exit codes are correct +- Test help text generation +- Use temporary directories for file operations +- Follow patterns from existing CLI tests if any exist + +--- + +### ✅ **Task 7: Edge Case & Regression Tests** (Priority: MEDIUM) — COMPLETED (69 tests passing) + +**Objective**: Add edge case coverage and regression tests across existing modules to catch rare bugs and prevent reintroduction of fixed bugs (4 new test files). + +**Create Test Files**: + +- `tests/unit/test_provider_edge_cases.py`: + - Malformed HTML responses from providers + - Missing episode data in provider responses + - Invalid streaming URLs (malformed, expired) + - Unicode characters in anime titles + - Special characters in filenames + - Empty responses from providers + - Partial data from providers + - Provider timeout scenarios +- `tests/integration/test_concurrent_operations.py`: + - Concurrent downloads from same provider + - Parallel NFO generation for multiple series + - Race conditions in queue management + - Database lock contention under load + - WebSocket broadcasts during concurrent operations + - Cache consistency with concurrent writes +- `tests/api/test_rate_limiting_edge_cases.py`: + - Rate limiting with multiple IP addresses + - Rate limit reset behavior + - Burst traffic handling + - Rate limit per-user vs per-IP + - Rate limit with authenticated vs anonymous users + - Rate limit bypass attempts +- `tests/integration/test_database_edge_cases.py`: + - Database lock contention scenarios + - Large transaction rollback (100+ operations) + - Connection pool exhaustion + - Slow query handling + - Database file growth and vacuum + - Concurrent write conflicts + - Foreign key constraint violations + +**Test Coverage Requirements**: + +- Edge cases that aren't covered by existing tests +- Known bugs that were fixed (regression tests) +- Concurrent operation safety +- Resource exhaustion scenarios +- Boundary conditions (empty data, very large data) + +**Expected Outcome**: ~50 tests total, targeting known edge cases and regression scenarios + +**Implementation Notes**: + +- Review git history for bug fixes to create regression tests +- Test boundary conditions (0, 1, max values) +- Simulate resource exhaustion (disk full, memory limit) +- Test concurrent operations with threading/asyncio +- Use property-based testing with hypothesis if appropriate +- Mock external services to simulate edge cases +- Test error recovery from edge cases