shared/extra-utils/mock-servers/mock-instances-index.ts

   1 import express from 'express'
   2 import { Server } from 'http'
   3 import { getPort, randomListen, terminateServer } from './utils'
   4
   5 export class MockInstancesIndex {
   6   private server: Server
   7
   8   private readonly indexInstances: { host: string, createdAt: string }[] = []
   9
  10   async initialize () {
  11     const app = express()
  12
  13     app.use('/', (req: express.Request, res: express.Response, next: express.NextFunction) => {
  14       if (process.env.DEBUG) console.log('Receiving request on mocked server %s.', req.url)
  15
  16       return next()
  17     })
  18
  19     app.get('/api/v1/instances/hosts', (req: express.Request, res: express.Response) => {
  20       const since = req.query.since
  21
  22       const filtered = this.indexInstances.filter(i => {
  23         if (!since) return true
  24
  25         return i.createdAt > since
  26       })
  27
  28       return res.json({
  29         total: filtered.length,
  30         data: filtered
  31       })
  32     })
  33
  34     this.server = await randomListen(app)
  35
  36     return getPort(this.server)
  37   }
  38
  39   addInstance (host: string) {
  40     this.indexInstances.push({ host, createdAt: new Date().toISOString() })
  41   }
  42
  43   terminate () {
  44     return terminateServer(this.server)
  45   }
  46 }