[ACA-1841] Hide app menu in preview (#698)

* hide menu in preview

* fix getNodeInfo return value when no node is found

src/app/components/layout/layout.component.html

@@ -16,7 +16,10 @@
 
             <adf-sidenav-layout-header>
                 <ng-template>
-                  <app-header (toggleClicked)="layout.toggleMenu($event)"></app-header>
+                  <app-header
+                    *ngIf="!sidenavManager.hideSidenav"
+                    (toggleClicked)="layout.toggleMenu($event)">
+                </app-header>
                 </ng-template>
             </adf-sidenav-layout-header>
 

src/app/components/layout/sidenav-views-manager.directive.spec.ts

@@ -24,9 +24,57 @@
  */
 
 import { SidenavViewsManagerDirective } from './sidenav-views-manager.directive';
+import { NavigationEnd } from '@angular/router';
+import { Subject } from 'rxjs';
+
+class RouterMock {
+  private subject = new Subject();
+  public events = this.subject.asObservable();
+
+  navigate(url = '') {
+    const navigationEnd = new NavigationEnd(0, '', url);
+    this.subject.next(navigationEnd);
+  }
+
+  destroy() {
+    this.subject.next(null);
+    this.subject.complete();
+    this.subject = null;
+  }
+}
 
 describe('SidenavViewsManagerDirective', () => {
-  it('should be defined', () => {
-    expect(SidenavViewsManagerDirective).toBeDefined();
+  let component;
+  let router;
+
+  beforeEach(() => {
+    router = <any>new RouterMock();
+    component = new SidenavViewsManagerDirective(router, null, null);
+  });
+
+  afterEach(() => {
+    router.destroy();
+  });
+
+  describe('Router events', () => {
+    it('should set minimizeSidenav to true when url is in minimizeConditions', () => {
+      router.navigate('/search/');
+      expect(component.minimizeSidenav).toBe(true);
+    });
+
+    it('should set minimizeSidenav to false when url is not in minimizeConditions', () => {
+      router.navigate('/somewhere/');
+      expect(component.minimizeSidenav).toBe(false);
+    });
+
+    it('should set hideSidenav property to true when url is in hideConditions', () => {
+      router.navigate('/preview/');
+      expect(component.hideSidenav).toBe(true);
+    });
+
+    it('should set hideSidenav property to false when url is not in hideConditions', () => {
+      router.navigate('somewhere');
+      expect(component.hideSidenav).toBe(false);
+    });
   });
 });

src/app/components/preview/preview.component.spec.ts

@@ -358,7 +358,7 @@ describe('PreviewComponent', () => {
 
   it('should navigate to original location if node not found', async () => {
     spyOn(router, 'navigate').and.stub();
-    spyOn(contentApi, 'getNodeInfo').and.returnValue(of(null));
+    spyOn(contentApi, 'getNodeInfo').and.returnValue(Promise.reject('error'));
 
     component.previewLocation = 'personal-files';
     await component.displayNode('folder1');