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server.go
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server.go
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package botpoll
import (
"context"
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"strconv"
"time"
"github.com/SevereCloud/vksdk/object"
)
type TestLongPoll struct {
server *httptest.Server
subscriptions *subscriptions
}
func NewTestLongPoll() TestLongPoll {
lps := TestLongPoll{
subscriptions: newSubscriptions(),
}
lps.server = httptest.NewServer(lps)
return lps
}
func (l TestLongPoll) Client() *http.Client {
return l.server.Client()
}
func (l TestLongPoll) parseArgs(r *http.Request) (time.Duration, string, error) {
err := r.ParseForm()
if err != nil {
return 0, "", err
}
wait, err := strconv.ParseInt(r.Form.Get("wait"), 10, 64)
if err != nil {
return 0, "", fmt.Errorf("argument 'wait' is invalid")
}
if wait < 1 {
return 0, "", fmt.Errorf("argument 'wait' should be greater than zero")
}
if wait > 90 {
wait = 90
}
key := r.Form.Get("key")
if key == "" {
return 0, "", fmt.Errorf("argument 'key' is invalid")
}
return time.Duration(wait) * time.Second, key, nil
}
func (l TestLongPoll) SendMessage(msg object.MessagesMessage) error {
message, err := json.Marshal(object.MessageNewObject{
Message: msg,
})
if err != nil {
return err
}
l.NotifyOne(object.GroupEvent{
Type: object.EventMessageNew,
Object: message,
})
return nil
}
func (l TestLongPoll) NotifyOne(event object.GroupEvent) {
l.Notify([]object.GroupEvent{event})
}
func (l TestLongPoll) Notify(events []object.GroupEvent) {
l.subscriptions.Notify(events)
}
func (l TestLongPoll) Subscribe() object.MessagesLongpollParams {
return object.MessagesLongpollParams{
Key: l.subscriptions.Create(),
Server: l.server.URL,
Ts: int(time.Now().Unix()),
}
}
func (l TestLongPoll) Unsubscribe(o object.MessagesLongpollParams) {
l.subscriptions.Delete(o.Key)
}
func (l TestLongPoll) ServeHTTP(w http.ResponseWriter, r *http.Request) {
wait, key, err := l.parseArgs(r)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
_ = json.NewEncoder(w).Encode(object.Error{
Message: fmt.Errorf("invalid test request: %w", err).Error(),
})
return
}
subs, ok := l.subscriptions.Get(key)
if !ok {
w.WriteHeader(http.StatusBadRequest)
_ = json.NewEncoder(w).Encode(object.Error{
Message: fmt.Errorf("key doesn't exists").Error(),
})
return
}
ctxt, cancel := context.WithTimeout(r.Context(), wait*time.Second)
defer cancel()
_ = json.NewEncoder(w).Encode(subs.Poll(ctxt))
}
func (l TestLongPoll) Close() error {
l.server.CloseClientConnections()
l.server.Close()
_ = l.subscriptions.Close()
return nil
}