Squashed commit of the following:

commit c0148e8301b9d2a987c79d8f49f90e678c75e5a4
Author: Roberto Tonino <roberto.tonino5@gmail.com>
Date:   Fri Apr 9 21:06:02 2021 +0200

    test: disabled logger when in test mode; refactor: type names

commit 418fc5647f2adb97df312eed5eb9c2d17de9d24c
Author: Roberto Tonino <roberto.tonino5@gmail.com>
Date:   Fri Apr 9 20:49:54 2021 +0200

    test: added albumSearch test; chore: removed sample endpoint

commit e2c79f6ee65448b92714bffd5281072279e0b522
Author: Roberto Tonino <roberto.tonino5@gmail.com>
Date:   Fri Apr 9 19:16:25 2021 +0200

    test: added cookie parser test

commit 78d70b7369015cd467f684e636c6788b58c54a7a
Author: Roberto Tonino <roberto.tonino5@gmail.com>
Date:   Fri Apr 9 19:07:44 2021 +0200

    feat: added root path first test

commit eb91ff06d62d81fbfa6851f1dea374addf709582
Author: Roberto Tonino <roberto.tonino5@gmail.com>
Date:   Fri Apr 9 18:45:32 2021 +0200

    feat: added test deps

server/Makefile

@@ -3,5 +3,8 @@ NODE_BIN ?= .\node_modules\.bin
 lint:
 	@$(NODE_BIN)\eslint ./src/** --fix
 
-build: lint
+test:
+	@$(NODE_BIN)\jest
+
+build: lint test
 	@$(NODE_BIN)\tsc

server/jest.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+	clearMocks: true,
+	roots: ['<rootDir>/src'],
+	testEnvironment: 'node',
+	preset: 'ts-jest'
+}

server/package.json

@@ -8,7 +8,9 @@
     "start-build": "node dist/app.js",
     "lint": "eslint . --fix",
     "prebuild": "yarn lint",
-    "build": "tsc"
+    "build": "tsc",
+    "test": "jest",
+    "test-watch": "jest --watch"
   },
   "dependencies": {
     "cookie-parser": "1.4.5",
@@ -24,16 +26,21 @@
     "@types/cookie-parser": "1.4.2",
     "@types/debug": "4.1.5",
     "@types/express": "4.17.11",
+    "@types/jest": "26.0.22",
     "@types/morgan": "1.9.2",
     "@types/node": "14.14.37",
     "@types/ws": "^7.4.1",
+    "@types/supertest": "2.0.11",
     "@typescript-eslint/eslint-plugin": "4.21.0",
     "@typescript-eslint/parser": "4.21.0",
     "eslint": "7.23.0",
     "eslint-config-prettier": "^8.1.0",
     "eslint-plugin-prettier": "3.3.1",
+    "jest": "26.6.3",
     "nodemon": "2.0.7",
     "prettier": "2.2.1",
+    "supertest": "6.1.3",
+    "ts-jest": "26.5.4",
     "ts-node": "9.1.1",
     "ts-node-dev": "1.1.6",
     "typescript": "4.2.4"

server/src/app.ts

@@ -1,6 +1,6 @@
 import http from 'http'
 import express, { Application } from 'express'
-import {Server as wsServer }  from 'ws'
+import { Server as wsServer } from 'ws'
 import initDebug from 'debug'
 
 import { registerMiddlewares } from './middlewares'
@@ -14,7 +14,7 @@ import { registerApis } from './routes/api/register'
 const PORT = normalizePort(process.env.PORT || '6595')
 
 const debug = initDebug('deemix-gui:server')
-const app: Application = express()
+export const app: Application = express()
 const ws = new wsServer({ noServer: true })
 const server = http.createServer(app)
 
@@ -31,13 +31,15 @@ registerApis(app)
 app.set('port', PORT)
 
 /* === Server port === */
-server.listen(PORT)
+if (process.env.NODE_ENV !== 'test') {
+	server.listen(PORT)
+}
 
 /* === Server callbacks === */
 server.on('upgrade', (request, socket, head) => {
-  ws.handleUpgrade(request, socket, head, socket => {
-    ws.emit('connection', socket, request)
-  })
+	ws.handleUpgrade(request, socket, head, socket => {
+		ws.emit('connection', socket, request)
+	})
 })
 server.on('error', getErrorCb(PORT))
 server.on('listening', getListeningCb(server, debug))

server/src/middlewares.ts

@@ -5,7 +5,10 @@ import cookieParser from 'cookie-parser'
 import { WEBUI_DIR } from './helpers/paths'
 
 export function registerMiddlewares(app: Application) {
-	app.use(logger('dev'))
+	if (process.env.NODE_ENV !== 'test') {
+		app.use(logger('dev'))
+	}
+
 	app.use(express.json())
 	app.use(express.urlencoded({ extended: false }))
 	app.use(cookieParser())

server/src/routes/api/get/albumSearch.spec.ts

@@ -0,0 +1,41 @@
+import request from 'supertest'
+import { app } from '../../../app'
+
+describe('albumSearch requests', () => {
+	it('should respond 200 to calls with term', async () => {
+		const responseStatusCollector: number[] = []
+		const batchCalls = [
+			'/api/album-search/?term=eminem',
+			'/api/album-search/?term=eminem?start=10',
+			'/api/album-search/?term=eminem?ack=aa',
+			'/api/album-search/?term=eminem?ack=aa?start=10',
+			'/api/album-search/?term=eminem?ack=aa?start=10?nb=34'
+		]
+
+		for (const uri of batchCalls) {
+			responseStatusCollector.push((await request(app).get(uri).send()).status)
+		}
+
+		expect(responseStatusCollector).toMatchObject(new Array(batchCalls.length).fill(200))
+		expect(responseStatusCollector).toMatchObject(new Array(responseStatusCollector.length).fill(200))
+	})
+
+	it('should respond 400 to calls without term', async () => {
+		const responseStatusCollector: number[] = []
+		const batchCalls = [
+			'/api/album-search/',
+			'/api/album-search/?start=10',
+			'/api/album-search/?ack=aa',
+			'/api/album-search/?ack=aa?start=10',
+			'/api/album-search/?ack=aa?start=10?nb=34'
+		]
+
+		for (const uri of batchCalls) {
+			responseStatusCollector.push((await request(app).get(uri).send()).status)
+		}
+
+		expect(responseStatusCollector).toMatchObject(new Array(responseStatusCollector.length).fill(400))
+	})
+
+	it.todo('should respond the desired search result')
+})

server/src/routes/api/get/albumSearch.ts

@@ -0,0 +1,77 @@
+import { RequestHandler } from 'express'
+import { ApiHandler } from '../../../types'
+
+export interface RawAlbumQuery {
+	term: string
+	start?: string
+	nb?: string
+	ack: number
+}
+
+export interface AlbumSearchParams extends Omit<RawAlbumQuery, 'start' | 'nb'> {
+	start: number
+	nb: number
+}
+
+export interface AlbumResponse {
+	data: any[]
+	total: number
+	ack: RawAlbumQuery['ack']
+}
+
+const path: ApiHandler['path'] = '/album-search/'
+
+const handler: RequestHandler<{}, {}, {}, RawAlbumQuery> = (req, res, next) => {
+	if (!req.query) {
+		res.status(400).send()
+		next()
+	}
+
+	const { term, start, nb, ack } = parseQuery(req.query)
+
+	if (!term || term.trim() === '') {
+		res.status(400).send()
+		next()
+	}
+
+	// const albums = getAlbums(term, start, nb)
+
+	// const output: AlbumResponse = {
+	// 	data: albums,
+	// 	total: albums.length,
+	// 	ack
+	// }
+
+	// res.send(output)
+	res.send()
+	next()
+}
+
+const apiHandler = { path, handler }
+
+export default apiHandler
+
+function parseQuery(query: RawAlbumQuery): AlbumSearchParams {
+	let startingPoint = 0
+
+	if (typeof query.start !== 'undefined') {
+		startingPoint = parseInt(query.start)
+	}
+
+	let newNb = 30
+
+	if (typeof query.nb !== 'undefined') {
+		newNb = parseInt(query.nb)
+	}
+
+	return {
+		term: query.term,
+		start: startingPoint,
+		nb: newNb,
+		ack: query.ack
+	}
+}
+
+// function getAlbums(term: string, start: number, nb: number): any[] {
+// 	return []
+// }

server/src/routes/api/get/index.ts

@@ -1,8 +1,8 @@
-import sample from './sample'
 import getHome from './getHome'
 import getCharts from './getCharts'
 import mainSearch from './mainSearch'
 import search from './search'
 import getTracklist from './getTracklist'
+import albumSearch from './albumSearch'
 
-export default [sample, getHome, getCharts, mainSearch, search, getTracklist]
+export default [albumSearch, getHome, getCharts, mainSearch, search, getTracklist]

server/src/routes/api/get/sample.ts

@@ -1,11 +0,0 @@
-import { ApiHandler } from '../../../types'
-
-const path: ApiHandler['path'] = '/sample'
-
-const handler: ApiHandler['handler'] = (_, res) => {
-	res.send('Mandi')
-}
-
-const apiHandler: ApiHandler = { path, handler }
-
-export default apiHandler

server/src/routes/index.spec.ts

@@ -0,0 +1,28 @@
+import request from 'supertest'
+import { app } from '../app'
+
+describe('root path requests', () => {
+	it('it responds 200 to the GET method', async () => {
+		const result = await request(app).get('/').send()
+
+		expect(result.status).toBe(200)
+	})
+
+	it('it responds 404 to the POST method', async () => {
+		const result = await request(app).post('/').send()
+
+		expect(result.status).toBe(404)
+	})
+
+	it('it responds 404 to the PATCH method', async () => {
+		const result = await request(app).patch('/').send()
+
+		expect(result.status).toBe(404)
+	})
+
+	it('it responds 404 to the DELETE method', async () => {
+		const result = await request(app).delete('/').send()
+
+		expect(result.status).toBe(404)
+	})
+})

server/src/tests/cookie-parser.spec.ts

@@ -0,0 +1,30 @@
+// Taken from https://github.com/visionmedia/supertest
+
+import request from 'supertest'
+import express from 'express'
+import cookieParser from 'cookie-parser'
+
+describe('cookie parser', () => {
+	const app = express()
+	app.use(cookieParser())
+
+	app.get('/', (_, res) => {
+		res.cookie('cookie', 'hey')
+		res.send()
+	})
+
+	app.get('/return', (req, res) => {
+		if (req.cookies.cookie) res.send(req.cookies.cookie)
+		else res.send(':(')
+	})
+
+	const agent = request.agent(app)
+
+	it('should save cookies', done => {
+		agent.get('/').expect('set-cookie', 'cookie=hey; Path=/', done)
+	})
+
+	it('should send cookies', done => {
+		agent.get('/return').expect('hey', done)
+	})
+})

server/src/types.ts

@@ -1,8 +1,12 @@
 import { RequestHandler } from 'express'
 
+/* === Utilities === */
+// https://github.com/Microsoft/TypeScript/issues/25760#issuecomment-614417742
+export type Optional<T, K extends keyof T> = Omit<T, K> & Partial<T>
+
 export type Port = number | string | boolean
 
 export interface ApiHandler {
 	path: string
-	handler: RequestHandler
+	handler: RequestHandler<any, any, any, any>
 }