mirror of
https://github.com/coder/code-server.git
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c9c5c54cda
* feat: add isAddressInfo helper function * feat(update): add test for rejection UpdateProvider * feat: add more tests for UpdateProvider * fixup! move isAddressInfo, add .address check * fixup! remove extra writeHead * fixup! use -1 in redirect logic * fixup! remove unnecessary String call * fixup! use /latest for redirect * fixup! use match group for regex * fixup!: replace match/split logic
122 lines
3.8 KiB
TypeScript
122 lines
3.8 KiB
TypeScript
import { logger } from "@coder/logger"
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import { promises as fs } from "fs"
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import * as net from "net"
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import * as os from "os"
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import * as path from "path"
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/**
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* Spy on the logger and console and replace with mock implementations to
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* suppress the output.
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*/
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export function mockLogger() {
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jest.spyOn(logger, "debug").mockImplementation()
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jest.spyOn(logger, "error").mockImplementation()
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jest.spyOn(logger, "info").mockImplementation()
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jest.spyOn(logger, "trace").mockImplementation()
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jest.spyOn(logger, "warn").mockImplementation()
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jest.spyOn(console, "log").mockImplementation()
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jest.spyOn(console, "debug").mockImplementation()
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jest.spyOn(console, "error").mockImplementation()
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jest.spyOn(console, "info").mockImplementation()
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jest.spyOn(console, "trace").mockImplementation()
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jest.spyOn(console, "warn").mockImplementation()
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}
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/**
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* Clean up directories left by a test. It is recommended to do this when a test
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* starts to avoid potentially accumulating infinite test directories.
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*/
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export async function clean(testName: string): Promise<void> {
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const dir = path.join(os.tmpdir(), `code-server/tests/${testName}`)
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await fs.rmdir(dir, { recursive: true })
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}
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/**
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* Create a uniquely named temporary directory for a test.
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*
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* `tmpdir` should usually be preceeded by at least one call to `clean`.
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*/
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export async function tmpdir(testName: string): Promise<string> {
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const dir = path.join(os.tmpdir(), `code-server/tests/${testName}`)
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await fs.mkdir(dir, { recursive: true })
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return await fs.mkdtemp(path.join(dir, `${testName}-`), { encoding: "utf8" })
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}
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/**
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* @description Helper function to use an environment variable.
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*
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* @returns an array (similar to useState in React) with a function
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* to set the value and reset the value
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*/
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export function useEnv(key: string): [(nextValue: string | undefined) => string | undefined, () => void] {
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const initialValue = process.env[key]
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const setValue = (nextValue: string | undefined) => (process.env[key] = nextValue)
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// Node automatically converts undefined to string 'undefined'
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// when assigning an environment variable.
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// which is why we need to delete it if it's supposed to be undefined
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// Source: https://stackoverflow.com/a/60147167
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const resetValue = () => {
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if (initialValue !== undefined) {
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process.env[key] = initialValue
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} else {
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delete process.env[key]
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}
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}
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return [setValue, resetValue]
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}
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/**
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* Helper function to get a random port.
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*
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* Source: https://github.com/sindresorhus/get-port/blob/main/index.js#L23-L33
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*/
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export const getAvailablePort = (options?: net.ListenOptions): Promise<number> =>
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new Promise((resolve, reject) => {
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const server = net.createServer()
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server.unref()
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server.on("error", reject)
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server.listen(options, () => {
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// NOTE@jsjoeio: not a huge fan of the type assertion
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// but it works for now.
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const { port } = server.address() as net.AddressInfo
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server.close(() => {
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resolve(port)
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})
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})
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})
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/**
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* Return a timer that will not reject as long as it is disposed or continually
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* reset before the delay elapses.
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*/
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export function idleTimer(message: string, reject: (error: Error) => void, delay = 5000) {
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const start = () => setTimeout(() => reject(new Error(message)), delay)
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let timeout = start()
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return {
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reset: () => {
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clearTimeout(timeout)
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timeout = start()
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},
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dispose: () => {
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clearTimeout(timeout)
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},
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}
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}
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/**
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* A helper function which returns a boolean indicating whether
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* the given address is AddressInfo and has .address
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* and a .port property.
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*/
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export function isAddressInfo(address: unknown): address is net.AddressInfo {
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return (
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address !== null &&
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typeof address !== "string" &&
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(address as net.AddressInfo).port !== undefined &&
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(address as net.AddressInfo).address !== undefined
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)
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}
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