v/vlib/x/websocket/websocket_test.v

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import x.websocket
import time
// Tests with external ws & wss servers
fn test_ws() ? {
go start_server()
time.sleep_ms(100)
ws_test('ws://localhost:30000')?
}
fn start_server() ? {
mut s := websocket.new_server(30000, '')
// Make that in execution test time give time to execute at least one time
s.ping_interval = 100
s.on_connect(fn (mut s websocket.ServerClient) ?bool {
// Here you can look att the client info and accept or not accept
// just returning a true/false
if s.resource_name != '/' {
panic('unexpected resource name in test')
return false
}
return true
})?
s.on_message(fn (mut ws websocket.Client, msg &websocket.Message) ? {
// payload := if msg.payload.len == 0 { '' } else { string(msg.payload, msg.payload.len) }
// println('server client ($ws.id) got message: opcode: $msg.opcode, payload: $payload')
ws.write(msg.payload, msg.opcode) or {
panic(err)
}
})
s.on_close(fn (mut ws websocket.Client, code int, reason string) ? {
// println('client ($ws.id) closed connection')
})
s.listen() or {
// println('error on server listen: $err')
}
}
fn ws_test(uri string) ? {
eprintln('connecting to $uri ...')
mut ws := websocket.new_client(uri)?
ws.on_open(fn (mut ws websocket.Client) ? {
println('open!')
ws.pong()
assert true
})
ws.on_error(fn (mut ws websocket.Client, err string) ? {
println('error: $err')
// this can be thrown by internet connection problems
assert false
})
ws.on_close(fn (mut ws websocket.Client, code int, reason string) ? {
println('closed')
})
ws.on_message(fn (mut ws websocket.Client, msg &websocket.Message) ? {
println('client got type: $msg.opcode payload:\n$msg.payload')
if msg.opcode == .text_frame {
2020-08-22 12:29:15 +02:00
smessage := msg.payload.bytestr()
println('Message: $smessage')
assert smessage == 'a'
} else {
println('Binary message: $msg')
}
})
ws.connect() or {
panic('fail to connect')
}
go ws.listen()
text := ['a'].repeat(2)
for msg in text {
ws.write(msg.bytes(), .text_frame) or {
panic('fail to write to websocket')
}
// sleep to give time to recieve response before send a new one
time.sleep_ms(100)
}
// sleep to give time to recieve response before asserts
time.sleep_ms(500)
}