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import { once } from 'node:events'
import { spawn } from 'node:child_process'
import { mkdir, writeFile, access } from 'fs/promises'
import { join } from 'path'
export const tests = []
const fetch = _fetch // to redefine the real fetch
const port = 5000
export const setup = async ({}) => {
const dir = '.'
await mkdir(`${dir}/guests`, { recursive: true })
const createFilesIn = ({ files, dirPath }) =>
Promise.all(
files.map(([fileName, content]) =>
writeFile(`${dirPath}/${fileName}`, JSON.stringify(content)),
),
)
const sendRequest = async (path, options) => {
const response = await fetch(`http://localhost:${port}${path}`, options)
const { status } = response
const headers = Object.fromEntries(response.headers)
let body = ''
try {
body = await response.json()
} catch (err) {
body = err
}
return { status, body, headers }
}
const sendRequestWithAuth = async (guestName, auth, body) => {
let options = {
method: 'POST',
headers: {
body: JSON.stringify(body),
},
}
if (auth.len !== 0) {
options.headers.authorization =
'Basic ' + Buffer.from(auth).toString('base64')
}
return sendRequest(guestName, options)
}
const startServer = async path => {
const server = spawn('node', [`${path}`])
const message = await Promise.race([
once(server.stdout, 'data'),
Promise.race([
once(server.stderr, 'data').then(String).then(Error),
once(server, 'error'),
]).then(result => Promise.reject(result)),
])
return { server, message }
}
return {
tmpPath: dir,
createFilesIn,
sendRequest,
sendRequestWithAuth,
startServer,
}
}
const isServerRunningWell = async ({ path, ctx }) => {
const { server, message } = await ctx.startServer(path)
server.kill()
return message[0].toString().includes(port)
}
const testGoodRequests = async ({ path, eq, fail, ctx }) => {
const expectedBody = {
answer: 'yes',
drink: 'alcohol',
food: 'bats',
}
const dirName = 'guests'
const dirPath = join(ctx.tmpPath, dirName)
const { server } = await ctx.startServer(path)
const newGuestNames = ['Ana_Riber', 'Rob_Frie', 'George_Harl']
const auths = [
'Caleb_Squires:abracadabra',
'Tyrique_Dalton:abracadabra',
'Rahima_Young:abracadabra',
]
for (var i = 0; i < 3; i++) {
const { status, body, headers } = await ctx.sendRequestWithAuth(
`/${newGuestNames[i]}`,
`${auths[i]}`,
expectedBody,
)
fail(await access(`${dirPath}/${newGuestNames[i]}.json`))
eq(
{ status: status, contentType: headers['content-type'], body: body },
{ status: 200, contentType: 'application/json', body: expectedBody },
)
}
server.kill()
return true
}
const testUnauthorizedRequests = async ({ path, eq, ctx }) => {
const body = {
answer: 'yes',
drink: 'alcohol',
food: 'bats',
}
const { server } = await ctx.startServer(path)
const newGuestNames = [
'Super_Mario',
'Super_Mario',
'Super_Mario',
'Super_Mario',
]
const auths = [
'',
'LetMePass',
'Rahima_Young:wrongpass',
'Anonymus:abracadabra',
]
for (var i = 0; i < 3; i++) {
const { status } = await ctx.sendRequestWithAuth(
`/${newGuestNames[i]}`,
`${auths[i]}`,
body,
)
eq({ status: status }, { status: 401 })
}
server.kill()
return true
}
tests.push(isServerRunningWell, testGoodRequests, testUnauthorizedRequests)
Object.freeze(tests)