103 lines
2.7 KiB
V
103 lines
2.7 KiB
V
import os
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import x.websocket
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import time
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import rand
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struct WebsocketTestResults {
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pub mut:
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nr_messages int
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nr_pong_received int
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}
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const github_job = os.getenv('GITHUB_JOB')
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// tests with internal ws servers
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fn test_ws() {
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if github_job != '' && github_job != 'websocket_tests' {
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// Do not run these tests everytime, since they are flaky.
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// They have their own specialized CI runner.
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return
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}
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port := 30000 + rand.intn(1024)
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go start_server(port)
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time.sleep(500 * time.millisecond)
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ws_test('ws://localhost:$port') or { assert false }
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}
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fn start_server(listen_port int) ? {
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mut s := websocket.new_server(listen_port, '')
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// make that in execution test time give time to execute at least one time
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s.ping_interval = 1
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s.on_connect(fn (mut s websocket.ServerClient) ?bool {
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// here you can look att the client info and accept or not accept
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// just returning a true/false
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if s.resource_name != '/' {
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panic('unexpected resource name in test')
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return false
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}
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return true
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}) ?
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s.on_message(fn (mut ws websocket.Client, msg &websocket.Message) ? {
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match msg.opcode {
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.pong { ws.write_string('pong') or { panic(err) } }
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else { ws.write(msg.payload, msg.opcode) or { panic(err) } }
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}
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})
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s.on_close(fn (mut ws websocket.Client, code int, reason string) ? {
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// not used
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})
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s.listen() or {}
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}
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// ws_test tests connect to the websocket server from websocket client
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fn ws_test(uri string) ? {
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eprintln('connecting to $uri ...')
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mut test_results := WebsocketTestResults{}
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mut ws := websocket.new_client(uri) ?
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ws.on_open(fn (mut ws websocket.Client) ? {
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ws.pong() ?
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assert true
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})
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ws.on_error(fn (mut ws websocket.Client, err string) ? {
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println('error: $err')
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// this can be thrown by internet connection problems
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assert false
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})
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ws.on_message_ref(fn (mut ws websocket.Client, msg &websocket.Message, mut res WebsocketTestResults) ? {
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println('client got type: $msg.opcode payload:\n$msg.payload')
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if msg.opcode == .text_frame {
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smessage := msg.payload.bytestr()
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match smessage {
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'pong' {
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res.nr_pong_received++
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}
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'a' {
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res.nr_messages++
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}
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else {
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assert false
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}
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}
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} else {
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println('Binary message: $msg')
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}
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}, test_results)
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ws.connect() or { panic('fail to connect') }
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go ws.listen()
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text := ['a'].repeat(2)
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for msg in text {
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ws.write(msg.bytes(), .text_frame) or { panic('fail to write to websocket') }
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// sleep to give time to recieve response before send a new one
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time.sleep(100 * time.millisecond)
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}
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// sleep to give time to recieve response before asserts
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time.sleep(1500 * time.millisecond)
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// We expect at least 2 pongs, one sent directly and one indirectly
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assert test_results.nr_pong_received >= 2
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assert test_results.nr_messages == 2
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}
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