Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Add a test proxy server so we won't hit Node.js dist so much #976

Merged
merged 1 commit into from
Jun 30, 2023
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -7,3 +7,4 @@ feature_tests/.tmp
*.log
/site/public
.vercel
.proxy
1 change: 1 addition & 0 deletions e2e/shellcode/script.ts
Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,7 @@ class Script {
.filter(Boolean)
.join(path.delimiter),
FNM_DIR: this.config.fnmDir,
FNM_NODE_DIST_MIRROR: "http://localhost:8080",
}

delete newProcessEnv.NODE_OPTIONS
Expand Down
3 changes: 3 additions & 0 deletions jest.config.cjs
Original file line number Diff line number Diff line change
@@ -1,9 +1,12 @@
/** @type {import('ts-jest').JestConfigWithTsJest} */
module.exports = {
preset: "ts-jest/presets/default-esm",
globalSetup: "./jest.global-setup.js",
globalTeardown: "./jest.global-teardown.js",
testEnvironment: "node",
testTimeout: 120000,
extensionsToTreatAsEsm: [".ts"],
testPathIgnorePatterns: ["/node_modules/", "/dist/", "/target/"],
moduleNameMapper: {
"^(\\.{1,2}/.*)\\.js$": "$1",
"#ansi-styles": "ansi-styles/index.js",
Expand Down
5 changes: 5 additions & 0 deletions jest.global-setup.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
import { server } from "./tests/proxy-server/index.mjs"

export default function () {
server.listen(8080)
}
5 changes: 5 additions & 0 deletions jest.global-teardown.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
import { server } from "./tests/proxy-server/index.mjs"

export default () => {
server.close()
}
65 changes: 65 additions & 0 deletions tests/proxy-server/index.mjs
Original file line number Diff line number Diff line change
@@ -0,0 +1,65 @@
// @ts-check

import { createServer } from "node:http"
import path from "node:path"
import fs from "node:fs"
import crypto from "node:crypto"
import fetch from "node-fetch"
import chalk from "chalk"

const baseDir = path.join(process.cwd(), ".proxy")
try {
fs.mkdirSync(baseDir, { recursive: true })
} catch (e) {}

/** @type {Map<string, Promise<{ headers: Record<string, string>, body: ArrayBuffer }>>} */
const cache = new Map()

export const server = createServer((req, res) => {
const pathname = req.url ?? "/"
const hash = crypto
.createHash("sha1")
.update(pathname ?? "/")
.digest("hex")
const extension = path.extname(pathname)
const filename = path.join(baseDir, hash) + extension
const headersFilename = path.join(baseDir, hash) + ".headers.json"
try {
const headers = JSON.parse(fs.readFileSync(headersFilename, "utf-8"))
const body = fs.createReadStream(filename)
console.log(chalk.green.dim(`[proxy] hit: ${pathname} -> ${filename}`))
res.writeHead(200, headers)
body.pipe(res)
} catch {
let promise = cache.get(filename)
if (!promise) {
console.log(chalk.red.dim(`[proxy] miss: ${pathname} -> ${filename}`))
promise = fetch(
"https://nodejs.org/dist/" + pathname.replace(/^\/+/, ""),
{
compress: false,
}
).then(async (response) => {
const headers = Object.fromEntries(response.headers.entries())
const body = await response.arrayBuffer()
fs.writeFileSync(headersFilename, JSON.stringify(headers))
fs.writeFileSync(filename, Buffer.from(body))
return { headers, body }
})
cache.set(filename, promise)
promise.finally(() => cache.delete(filename))
}

promise.then(
({ headers, body }) => {
res.writeHead(200, headers)
res.end(Buffer.from(body))
},
(err) => {
console.error(err)
res.writeHead(500)
res.end()
}
)
}
})