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import fs from 'node:fs'

import path from 'node:path'

import crypto from 'node:crypto'

import { test } from 'node:test'

import assert from 'node:assert'

import { fileURLToPath } from 'node:url'

import webhook from './github-webhook.js'

const __dirname = path.dirname(fileURLToPath(import.meta.url))

function signBlob (key, blob) {

return `sha1=${crypto.createHmac('sha1', key).update(blob).digest('hex')}`

}

async function makeRequest (server, { method = 'POST', path = '/', headers = {}, body = '{}' }) {

return new Promise((resolve, reject) => {

server.listen(0, '127.0.0.1', () => {

const { port } = server.address()

const url = new URL(path, `http://127.0.0.1:${port}`)

fetch(url, {

method,

headers: {

'Content-Type': 'application/json',

...headers

},

body

})

.then(async (res) => {

const text = await res.text()

let json

try {

json = JSON.parse(text)

} catch {}

server.close()

resolve({ status: res.status, headers: res.headers, text, json })

})

.catch((err) => {

server.close()

reject(err)

})

})

})

}

test('invalid url gets 404', async () => {

const options = { port: 0, path: '/webhook', secret: 'foofaa' }

const server = webhook(options)

const res = await makeRequest(server, {

path: '/',

headers: {

'X-Hub-Signature': signBlob('foofaa', '{}'),

'X-Github-Event': 'issues',

'X-Github-Delivery': '123abc'

},

body: '{}'

})

assert.strictEqual(res.status, 404)

assert.ok(res.headers.get('content-type').includes('json'))

})

test('valid url, incomplete data gets 400', async () => {

const options = { port: 0, path: '/webhook', secret: 'foofaa' }

const server = webhook(options)

const res = await makeRequest(server, {

path: '/webhook',

headers: {

'X-Github-Event': 'issues',

'X-Github-Delivery': '123abc'

},

body: '{}'

})

assert.strictEqual(res.status, 400)

assert.ok(res.headers.get('content-type').includes('json'))

})

test('valid url, complete data gets 200', async () => {

const options = { port: 0, path: '/webhook', secret: 'foofaa' }

const server = webhook(options)

const obj = { some: 'github', object: 'with', properties: true }

const json = JSON.stringify(obj)

const id = '123abc'

const eventType = 'issues'

const eventPromise = new Promise((resolve) => {

server.webhookHandler.on(eventType, (event) => {

delete event.host

resolve(event)

})

})

const res = await makeRequest(server, {

path: '/webhook',

headers: {

'X-Hub-Signature': signBlob('foofaa', json),

'X-Github-Event': eventType,

'X-Github-Delivery': id

},

body: json

})

assert.strictEqual(res.status, 200)

assert.ok(res.headers.get('content-type').includes('json'))

const event = await eventPromise

assert.strictEqual(event.event, eventType)

assert.strictEqual(event.id, id)

assert.deepStrictEqual(event.payload, obj)

})

test('valid request triggers rule', { skip: process.platform === 'win32' }, async () => {

const tmpfile = path.join(__dirname, '__test_data.' + Math.random())

const eventType = 'issues'

const options = {

port: 0,

path: '/webhook',

secret: 'foofaa',

rules: [

{

event: eventType,

match: 'some == xxgithub',

exec: ['sh', '-c', `echo "w00t!" > ${tmpfile}2`]

},

{

event: eventType,

match: 'some == github',

exec: `echo "w00t!" > ${tmpfile}`

}

]

}

const server = webhook(options)

const obj = { some: 'github', object: 'with', properties: true }

const json = JSON.stringify(obj)

const id = '123abc'

const eventPromise = new Promise((resolve) => {

server.webhookHandler.on(eventType, (event) => {

delete event.host

resolve(event)

})

})

const res = await makeRequest(server, {

path: '/webhook',

headers: {

'X-Hub-Signature': signBlob('foofaa', json),

'X-Github-Event': eventType,

'X-Github-Delivery': id

},

body: json

})

assert.strictEqual(res.status, 200)

const event = await eventPromise

assert.strictEqual(event.event, eventType)

assert.strictEqual(event.id, id)

assert.deepStrictEqual(event.payload, obj)

// Wait for the rule to execute

await new Promise((resolve) => setTimeout(resolve, 200))

const data = fs.readFileSync(tmpfile, 'utf8')

assert.strictEqual(data, 'w00t!\n')

// Verify second rule did not trigger

assert.throws(() => fs.statSync(`${tmpfile}2`), { code: 'ENOENT' })

// Cleanup

fs.unlinkSync(tmpfile)

})