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Expanded the useWebSocket.test.ts from minimal coverage to 20 comprehensive tests covering:
WebSocket Mock Tests (6 tests)
- Creates WebSocket with correct URL
- Starts in CONNECTING state
- Transitions to OPEN state
- Can receive messages
- Can close connection
- Tracks all instances
Hook Connection Tests (2 tests)
- Connects to WebSocket on mount
- Reports connected state when WebSocket opens
Message Handling Tests (9 tests)
- Updates printer status in query cache on printer_status message
- Preserves wifi_signal when new value is null
- Invalidates archives on print_complete message
- Invalidates archives on archive_created message
- Invalidates archives on archive_updated message (new handler for timelapse auto-assignment)
- Ignores pong messages without error
- Handles malformed JSON gracefully
- Handles unknown message types gracefully
sendMessage Tests (2 tests)
- Sends JSON message when connected
- Does not send when disconnected
Reconnection Tests (2 tests)
- Reconnects after connection closes
- Cleans up on unmount
Key Fixes
- Fixed MSW (Mock Service Worker) conflict by:
a. Adding addEventListener/removeEventListener to MockWebSocket class
b. Updating MSW setup to bypass WebSocket requests
c. Properly managing WebSocket mock lifecycle in each test
Test Results:
- Frontend: 137 tests passed (9 test files)
- Backend: 346 tests passed
React + TypeScript + Vite
This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
Currently, two official plugins are available:
- @vitejs/plugin-react uses Babel (or oxc when used in rolldown-vite) for Fast Refresh
- @vitejs/plugin-react-swc uses SWC for Fast Refresh
React Compiler
The React Compiler is not enabled on this template because of its impact on dev & build performances. To add it, see this documentation.
Expanding the ESLint configuration
If you are developing a production application, we recommend updating the configuration to enable type-aware lint rules:
export default defineConfig([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
// Other configs...
// Remove tseslint.configs.recommended and replace with this
tseslint.configs.recommendedTypeChecked,
// Alternatively, use this for stricter rules
tseslint.configs.strictTypeChecked,
// Optionally, add this for stylistic rules
tseslint.configs.stylisticTypeChecked,
// Other configs...
],
languageOptions: {
parserOptions: {
project: ['./tsconfig.node.json', './tsconfig.app.json'],
tsconfigRootDir: import.meta.dirname,
},
// other options...
},
},
])
You can also install eslint-plugin-react-x and eslint-plugin-react-dom for React-specific lint rules:
// eslint.config.js
import reactX from 'eslint-plugin-react-x'
import reactDom from 'eslint-plugin-react-dom'
export default defineConfig([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
// Other configs...
// Enable lint rules for React
reactX.configs['recommended-typescript'],
// Enable lint rules for React DOM
reactDom.configs.recommended,
],
languageOptions: {
parserOptions: {
project: ['./tsconfig.node.json', './tsconfig.app.json'],
tsconfigRootDir: import.meta.dirname,
},
// other options...
},
},
])