code-server/test/utils/helpers.ts

import * as fs from "fs"
import * as os from "os"
import * as path from "path"

export const loggerModule = {
  field: jest.fn(),
  level: 2,
  logger: {
    debug: jest.fn(),
    error: jest.fn(),
    info: jest.fn(),
    trace: jest.fn(),
    warn: jest.fn(),
  },
}

/**
 * Create a uniquely named temporary directory.
 *
 * These directories are placed under a single temporary code-server directory.
 */
export async function tmpdir(testName: string): Promise<string> {
  const dir = path.join(os.tmpdir(), "code-server")
  await fs.promises.mkdir(dir, { recursive: true })

  return await fs.promises.mkdtemp(path.join(dir, `test-${testName}-`), { encoding: "utf8" })
}