diff --git a/src/Squidex/app/shared/services/help.service.spec.ts b/src/Squidex/app/shared/services/help.service.spec.ts
new file mode 100644
index 000000000..dfafe2939
--- /dev/null
+++ b/src/Squidex/app/shared/services/help.service.spec.ts
@@ -0,0 +1,82 @@
+/*
+ * 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 { HelpService } from './../';
+
+describe('AppClientsService', () => {
+    beforeEach(() => {
+        TestBed.configureTestingModule({
+            imports: [
+                HttpClientTestingModule
+            ],
+            providers: [
+                HelpService
+            ]
+        });
+    });
+
+    afterEach(inject([HttpTestingController], (httpMock: HttpTestingController) => {
+        httpMock.verify();
+    }));
+
+    it('should make get request to get help sections',
+        inject([HelpService, HttpTestingController], (helpService: HelpService, httpMock: HttpTestingController) => {
+
+        let helpSections: string[] | null = null;
+
+        helpService.getHelp('01-chapter/02-article').subscribe(result => {
+            helpSections = result;
+        });
+
+        const req = httpMock.expectOne('https://api.gitbook.com/book/squidex/squidex/contents/01-chapter/02-article.json');
+
+        expect(req.request.method).toEqual('GET');
+        expect(req.request.headers.get('If-Match')).toBeNull();
+
+        req.flush({
+            sections: [
+                {
+                    content: 'A test content with'
+                },
+                {
+                    content: 'A test content with a <a href="https://squidex.io">A Link</a>'
+                },
+                {
+                    content: 'A test content with a <a href="../GLOSSARY.html#content">Glossary Link</a>'
+                }
+            ]
+        });
+
+        expect(helpSections).toEqual([
+            'A test content with',
+            'A test content with a <a href="https://squidex.io">A Link</a>',
+            'A test content with a <a target="_blank" href="https://docs.squidex.io/GLOSSARY.html#content">Glossary Link</a>'
+        ]);
+    }));
+
+    it('should return empty sections if get request fails',
+        inject([HelpService, HttpTestingController], (helpService: HelpService, httpMock: HttpTestingController) => {
+
+        let helpSections: string[] | null = null;
+
+        helpService.getHelp('01-chapter/02-article').subscribe(result => {
+            helpSections = result;
+        });
+
+        const req = httpMock.expectOne('https://api.gitbook.com/book/squidex/squidex/contents/01-chapter/02-article.json');
+
+        expect(req.request.method).toEqual('GET');
+        expect(req.request.headers.get('If-Match')).toBeNull();
+
+        req.error(<any>{});
+
+        expect(helpSections).toEqual([]);
+    }));
+});
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