GODT-1409 Wait in GetEvents during message preparation for live API.

test/liveapi/events.go

@@ -0,0 +1,26 @@
+// Copyright (c) 2021 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package liveapi
+
+func (ctl *Controller) LockEvents() {
+	persistentClients.eventsPaused.Add(1)
+}
+
+func (ctl *Controller) UnlockEvents() {
+	persistentClients.eventsPaused.Done()
+}

test/liveapi/persistent_clients.go

@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"math/rand"
 	"os"
+	"sync"
 
 	"github.com/ProtonMail/go-srp"
 	"github.com/ProtonMail/proton-bridge/internal/constants"
@@ -47,6 +48,8 @@ var persistentClients = struct {
 	manager    pmapi.Manager
 	byName     map[string]clientAuthGetter
 	saltByName map[string]string
+
+	eventsPaused sync.WaitGroup
 }{}
 
 type persistentClient struct {
@@ -69,6 +72,17 @@ func (pc *persistentClient) AuthSalt(_ context.Context) (string, error) {
 	return persistentClients.saltByName[pc.username], nil
 }
 
+// GetEvent needs to wait for preparation to finish. Otherwise messages will be
+// in wrong order and test will fail.
+func (pc *persistentClient) GetEvent(ctx context.Context, eventID string) (*pmapi.Event, error) {
+	persistentClients.eventsPaused.Wait()
+	normalClient, ok := persistentClients.byName[pc.username].(pmapi.Client)
+	if !ok {
+		return nil, errors.New("cannot convert to normal client")
+	}
+	return normalClient.GetEvent(ctx, eventID)
+}
+
 func SetupPersistentClients() {
 	app := os.Getenv("TEST_APP")