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arikawa/voice/session_example_test.go
diamondburned 54cadd2f45 gateway: Refactor for a better concurrent API
This commit refactors the whole package gateway as well as utils/ws
(formerly utils/wsutil) and voice/voicegateway. The new refactor
utilizes a design pattern involving a concurrent loop and an arriving
event channel.

An additional change was made to the way gateway events are typed.
Before, pretty much any type will satisfy a gateway event type, since
the actual type was just interface{}. The new refactor defines a
concrete interface that events can implement:

    type Event interface {
        Op() OpCode
        EventType() EventType
    }

Using this interface, the user can easily add custom gateway events
independently of the library without relying on string maps. This adds a
lot of type safety into the library and makes type-switching on Event
types much more reasonable.

Gateway error callbacks are also almost entirely removed in favor of
custom gateway events. A catch-all can easily be added like this:

    s.AddHandler(func(err error) {
        log.Println("gateway error:, err")
    })
2021-12-14 13:49:34 -08:00

62 lines
1.1 KiB
Go

package voice_test
import (
"context"
"io"
"log"
"testing"
"github.com/diamondburned/arikawa/v3/discord"
"github.com/diamondburned/arikawa/v3/internal/testenv"
"github.com/diamondburned/arikawa/v3/state"
"github.com/diamondburned/arikawa/v3/voice"
)
var (
token string
channelID discord.ChannelID
)
func init() {
e, err := testenv.GetEnv()
if err == nil {
token = e.BotToken
channelID = e.VoiceChID
}
}
// pseudo function for example
func writeOpusInto(w io.Writer) {}
// make godoc not show the full file
func TestNoop(t *testing.T) {
t.Skip("noop")
}
func ExampleSession() {
s := state.New("Bot " + token)
// This is required for bots.
voice.AddIntents(s)
if err := s.Open(context.TODO()); err != nil {
log.Fatalln("failed to open gateway:", err)
}
defer s.Close()
v, err := voice.NewSession(s)
if err != nil {
log.Fatalln("failed to create voice session:", err)
}
if err := v.JoinChannel(context.TODO(), channelID, false, false); err != nil {
log.Fatalln("failed to join voice channel:", err)
}
defer v.Leave(context.TODO())
// Start writing Opus frames.
for {
writeOpusInto(v)
}
}