v1rtl•2y ago

Closing a websocket server in a unit test

Hello, I'm an author of rpc lib and I'm currently writing unit tests for it. I am facing a problem of closing a server. How should I do it without deno hanging forever? my test case:

import { send, App } from './mod.ts'

Deno.test('send', async (t) => {
  await t.step('should send a message with websocket', async () => {
    const app = new App()
    await app.listen({ port: 8881, hostname: 'localhost' })

    const socket = new WebSocket('ws://localhost:8881')
    socket.onopen = () => {
      send(socket, { hello: 'world' })
      socket.close()
      app.close()
    }
  })
})

import { send, App } from './mod.ts'

Deno.test('send', async (t) => {
  await t.step('should send a message with websocket', async () => {
    const app = new App()
    await app.listen({ port: 8881, hostname: 'localhost' })

    const socket = new WebSocket('ws://localhost:8881')
    socket.onopen = () => {
      send(socket, { hello: 'world' })
      socket.close()
      app.close()
    }
  })
})

app.listen here both starts the Deno.listener and Deno.serveHttp

GitHub

GitHub - deno-libs/rpc: 📡 JSONRPC server implementation for Deno

📡 JSONRPC server implementation for Deno. Contribute to deno-libs/rpc development by creating an account on GitHub.

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