summaryrefslogtreecommitdiffstats
path: root/test/diagnostics-channel/get.js
blob: 9d868c3d897de26bc4825aaaef974b8be08e58ce (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
'use strict'

const t = require('tap')

let diagnosticsChannel

try {
  diagnosticsChannel = require('diagnostics_channel')
} catch {
  t.skip('missing diagnostics_channel')
  process.exit(0)
}

const { Client } = require('../..')
const { createServer } = require('http')

t.plan(32)

const server = createServer((req, res) => {
  res.setHeader('Content-Type', 'text/plain')
  res.setHeader('trailer', 'foo')
  res.write('hello')
  res.addTrailers({
    foo: 'oof'
  })
  res.end()
})
t.teardown(server.close.bind(server))

const reqHeaders = {
  foo: undefined,
  bar: 'bar'
}

let _req
diagnosticsChannel.channel('undici:request:create').subscribe(({ request }) => {
  _req = request
  t.equal(request.origin, `http://localhost:${server.address().port}`)
  t.equal(request.completed, false)
  t.equal(request.method, 'GET')
  t.equal(request.path, '/')
  t.equal(request.headers, 'bar: bar\r\n')
  request.addHeader('hello', 'world')
  t.equal(request.headers, 'bar: bar\r\nhello: world\r\n')
})

let _connector
diagnosticsChannel.channel('undici:client:beforeConnect').subscribe(({ connectParams, connector }) => {
  _connector = connector

  t.equal(typeof _connector, 'function')
  t.equal(Object.keys(connectParams).length, 6)

  const { host, hostname, protocol, port, servername } = connectParams

  t.equal(host, `localhost:${server.address().port}`)
  t.equal(hostname, 'localhost')
  t.equal(port, String(server.address().port))
  t.equal(protocol, 'http:')
  t.equal(servername, null)
})

let _socket
diagnosticsChannel.channel('undici:client:connected').subscribe(({ connectParams, socket, connector }) => {
  _socket = socket

  t.equal(_connector, connector)
  t.equal(Object.keys(connectParams).length, 6)

  const { host, hostname, protocol, port, servername } = connectParams

  t.equal(host, `localhost:${server.address().port}`)
  t.equal(hostname, 'localhost')
  t.equal(port, String(server.address().port))
  t.equal(protocol, 'http:')
  t.equal(servername, null)
})

diagnosticsChannel.channel('undici:client:sendHeaders').subscribe(({ request, headers, socket }) => {
  t.equal(_req, request)
  t.equal(_socket, socket)

  const expectedHeaders = [
    'GET / HTTP/1.1',
    `host: localhost:${server.address().port}`,
    'connection: keep-alive',
    'bar: bar',
    'hello: world'
  ]

  t.equal(headers, expectedHeaders.join('\r\n') + '\r\n')
})

diagnosticsChannel.channel('undici:request:headers').subscribe(({ request, response }) => {
  t.equal(_req, request)
  t.equal(response.statusCode, 200)
  const expectedHeaders = [
    Buffer.from('Content-Type'),
    Buffer.from('text/plain'),
    Buffer.from('trailer'),
    Buffer.from('foo'),
    Buffer.from('Date'),
    response.headers[5], // This is a date
    Buffer.from('Connection'),
    Buffer.from('keep-alive'),
    Buffer.from('Keep-Alive'),
    Buffer.from('timeout=5'),
    Buffer.from('Transfer-Encoding'),
    Buffer.from('chunked')
  ]
  t.same(response.headers, expectedHeaders)
  t.equal(response.statusText, 'OK')
})

let endEmitted = false
diagnosticsChannel.channel('undici:request:trailers').subscribe(({ request, trailers }) => {
  t.equal(request.completed, true)
  t.equal(_req, request)
  // This event is emitted after the last chunk has been added to the body stream,
  // not when it was consumed by the application
  t.equal(endEmitted, false)
  t.same(trailers, [Buffer.from('foo'), Buffer.from('oof')])
})

server.listen(0, () => {
  const client = new Client(`http://localhost:${server.address().port}`, {
    keepAliveTimeout: 300e3
  })
  t.teardown(client.close.bind(client))

  client.request({
    path: '/',
    method: 'GET',
    headers: reqHeaders
  }, (err, data) => {
    t.error(err)
    data.body.on('end', function () {
      endEmitted = true
    })
  })
})