3 files changed, 58 insertions, 10 deletions

diff --git a/client/src/app/shared/rxjs/zone.ts b/client/src/app/shared/rxjs/zone.ts
new file mode 100644
index 000000000..74eed7032
--- /dev/null
+++ b/client/src/app/shared/rxjs/zone.ts
@@ -0,0 +1,40 @@
+import { SchedulerLike, Subscription } from 'rxjs'
+import { NgZone } from '@angular/core'
+
+class LeaveZoneScheduler implements SchedulerLike {
+  constructor (private zone: NgZone, private scheduler: SchedulerLike) {
+  }
+
+  schedule (...args: any[]): Subscription {
+    return this.zone.runOutsideAngular(() =>
+      this.scheduler.schedule.apply(this.scheduler, args)
+    )
+  }
+
+  now (): number {
+    return this.scheduler.now()
+  }
+}
+
+class EnterZoneScheduler implements SchedulerLike {
+  constructor (private zone: NgZone, private scheduler: SchedulerLike) {
+  }
+
+  schedule (...args: any[]): Subscription {
+    return this.zone.run(() =>
+      this.scheduler.schedule.apply(this.scheduler, args)
+    )
+  }
+
+  now (): number {
+    return this.scheduler.now()
+  }
+}
+
+export function leaveZone (zone: NgZone, scheduler: SchedulerLike): SchedulerLike {
+  return new LeaveZoneScheduler(zone, scheduler)
+}
+
+export function enterZone (zone: NgZone, scheduler: SchedulerLike): SchedulerLike {
+  return new EnterZoneScheduler(zone, scheduler)
+}
diff --git a/client/src/app/shared/user-subscription/user-subscription.service.ts b/client/src/app/shared/user-subscription/user-subscription.service.ts
index bfb5848bc..9af9ba23e 100644
--- a/client/src/app/shared/user-subscription/user-subscription.service.ts
+++ b/client/src/app/shared/user-subscription/user-subscription.service.ts
@@ -1,7 +1,7 @@
-import { bufferTime, catchError, filter, map, tap, share, switchMap } from 'rxjs/operators'
-import { Observable, ReplaySubject, Subject, of, merge } from 'rxjs'
+import { bufferTime, catchError, filter, map, observeOn, share, switchMap, tap } from 'rxjs/operators'
+import { asyncScheduler, merge, Observable, of, ReplaySubject, Subject } from 'rxjs'
 import { HttpClient, HttpParams } from '@angular/common/http'
-import { Injectable } from '@angular/core'
+import { Injectable, NgZone } from '@angular/core'
 import { ResultList } from '../../../../../shared'
 import { environment } from '../../../environments/environment'
 import { RestExtractor, RestService } from '../rest'
@@ -11,6 +11,7 @@ import { VideoChannel as VideoChannelServer } from '../../../../../shared/models
 import { ComponentPaginationLight } from '@app/shared/rest/component-pagination.model'
 import { uniq } from 'lodash-es'
 import * as debug from 'debug'
+import { enterZone, leaveZone } from '@app/shared/rxjs/zone'
 
 const logger = debug('peertube:subscriptions:UserSubscriptionService')
 
@@ -32,13 +33,16 @@ export class UserSubscriptionService {
   constructor (
     private authHttp: HttpClient,
     private restExtractor: RestExtractor,
-    private restService: RestService
+    private restService: RestService,
+    private ngZone: NgZone
   ) {
     this.existsObservable = merge(
       this.existsSubject.pipe(
-        bufferTime(500),
+        // We leave Angular zone so Protractor does not get stuck
+        bufferTime(500, leaveZone(this.ngZone, asyncScheduler)),
         filter(uris => uris.length !== 0),
         map(uris => uniq(uris)),
+        observeOn(enterZone(this.ngZone, asyncScheduler)),
         switchMap(uris => this.doSubscriptionsExist(uris)),
         share()
       ),
diff --git a/client/src/app/shared/video-playlist/video-playlist.service.ts b/client/src/app/shared/video-playlist/video-playlist.service.ts
index fc5eb5337..bae6f9e04 100644
--- a/client/src/app/shared/video-playlist/video-playlist.service.ts
+++ b/client/src/app/shared/video-playlist/video-playlist.service.ts
@@ -1,6 +1,6 @@
-import { bufferTime, catchError, filter, map, share, switchMap, tap } from 'rxjs/operators'
-import { Injectable } from '@angular/core'
-import { merge, Observable, of, ReplaySubject, Subject } from 'rxjs'
+import { bufferTime, catchError, filter, map, observeOn, share, switchMap, tap } from 'rxjs/operators'
+import { Injectable, NgZone } from '@angular/core'
+import { asyncScheduler, merge, Observable, of, ReplaySubject, Subject } from 'rxjs'
 import { RestExtractor } from '../rest/rest-extractor.service'
 import { HttpClient, HttpParams } from '@angular/common/http'
 import { ResultList, VideoPlaylistElementCreate, VideoPlaylistElementUpdate } from '../../../../../shared'
@@ -23,6 +23,7 @@ import { VideoPlaylistElement as ServerVideoPlaylistElement } from '@shared/mode
 import { VideoPlaylistElement } from '@app/shared/video-playlist/video-playlist-element.model'
 import { uniq } from 'lodash-es'
 import * as debug from 'debug'
+import { enterZone, leaveZone } from '@app/shared/rxjs/zone'
 
 const logger = debug('peertube:playlists:VideoPlaylistService')
 
@@ -49,13 +50,16 @@ export class VideoPlaylistService {
     private authHttp: HttpClient,
     private serverService: ServerService,
     private restExtractor: RestExtractor,
-    private restService: RestService
+    private restService: RestService,
+    private ngZone: NgZone
   ) {
     this.videoExistsInPlaylistObservable = merge(
       this.videoExistsInPlaylistNotifier.pipe(
-        bufferTime(500),
+        // We leave Angular zone so Protractor does not get stuck
+        bufferTime(500, leaveZone(this.ngZone, asyncScheduler)),
         filter(videoIds => videoIds.length !== 0),
         map(videoIds => uniq(videoIds)),
+        observeOn(enterZone(this.ngZone, asyncScheduler)),
         switchMap(videoIds => this.doVideosExistInPlaylist(videoIds)),
         share()
       ),