diff --git a/src/Squidex/app/shared/services/history.service.spec.ts b/src/Squidex/app/shared/services/history.service.spec.ts
new file mode 100644
index 000000000..1badf7aba
--- /dev/null
+++ b/src/Squidex/app/shared/services/history.service.spec.ts
@@ -0,0 +1,71 @@
+/*
+ * Squidex Headless CMS
+ *
+ * @license
+ * Copyright (c) Sebastian Stehle. All rights reserved
+ */
+
+import { HttpClientTestingModule, HttpTestingController } from '@angular/common/http/testing';
+import { inject, TestBed } from '@angular/core/testing';
+
+import { DateTime } from 'framework';
+
+import {
+    ApiUrlConfig,
+    HistoryEventDto,
+    HistoryService
+} from './../';
+
+describe('HistoryService', () => {
+    beforeEach(() => {
+        TestBed.configureTestingModule({
+            imports: [
+                HttpClientTestingModule
+            ],
+            providers: [
+                HistoryService,
+                { provide: ApiUrlConfig, useValue: new ApiUrlConfig('http://service/p/') }
+            ]
+        });
+    });
+
+    afterEach(inject([HttpTestingController], (httpMock: HttpTestingController) => {
+        httpMock.verify();
+    }));
+
+    it('should make get request to get history events',
+        inject([HistoryService, HttpTestingController], (historyService: HistoryService, httpMock: HttpTestingController) => {
+
+        let events: HistoryEventDto[] | null = null;
+
+        historyService.getHistory('my-app', 'settings.contributors').subscribe(result => {
+            events = result;
+        });
+
+        const req = httpMock.expectOne('http://service/p/api/apps/my-app/history?channel=settings.contributors');
+
+        expect(req.request.method).toEqual('GET');
+        expect(req.request.headers.get('If-Match')).toBeNull();
+
+        req.flush([
+            {
+                actor: 'User1',
+                eventId: '1',
+                message: 'Message 1',
+                created: '2016-12-12T10:10'
+            },
+            {
+                actor: 'User2',
+                eventId: '2',
+                message: 'Message 2',
+                created: '2016-12-13T10:10'
+            }
+        ]);
+
+        expect(events).toEqual(
+            [
+                new HistoryEventDto('1', 'User1', 'Message 1', DateTime.parseISO_UTC('2016-12-12T10:10')),
+                new HistoryEventDto('2', 'User2', 'Message 2', DateTime.parseISO_UTC('2016-12-13T10:10'))
+            ]);
+    }));
+});
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