[AAE-1848] fix kebab case files and add tlsint rule (#5481)

* fix kebab case files and add tlsint rule

* headless

* m 2 in e2e

* download file in headless chrome

* fix budget

* fix import

* fix import

lib/core/viewer/components/txt-viewer.component.spec.ts

@@ -0,0 +1,74 @@
+/*!
+ * @license
+ * Copyright 2019 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { SimpleChange } from '@angular/core';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { TxtViewerComponent } from './txt-viewer.component';
+import { setupTestBed } from '../../testing/setup-test-bed';
+import { CoreModule } from '../../core.module';
+
+describe('Text View component', () => {
+
+    let component: TxtViewerComponent;
+    let fixture: ComponentFixture<TxtViewerComponent>;
+    let element: HTMLElement;
+
+    setupTestBed({
+        imports: [
+            CoreModule.forRoot()
+        ]
+    });
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(TxtViewerComponent);
+
+        element = fixture.nativeElement;
+        component = fixture.componentInstance;
+    });
+
+    describe('View', () => {
+
+        it('Should text container be present with urlFile', (done) => {
+            fixture.detectChanges();
+            const urlFile = './fake-test-file.txt';
+            const change = new SimpleChange(null, urlFile, true);
+
+            component.ngOnChanges({ 'urlFile': change }).then(() => {
+                fixture.detectChanges();
+                fixture.whenStable().then(() => {
+                    expect(element.querySelector('.adf-txt-viewer-content').textContent).toContain('example');
+                    done();
+                });
+            });
+        });
+
+        it('Should text container be present with Blob file', (done) => {
+            const blobFile = new Blob(['text example'], {type: 'text/txt'});
+
+            const change = new SimpleChange(null, blobFile, true);
+
+            component.ngOnChanges({ 'blobFile': change }).then(() => {
+                fixture.detectChanges();
+                fixture.whenStable().then(() => {
+                    expect(element.querySelector('.adf-txt-viewer-content').textContent).toContain('example');
+                    done();
+                });
+            });
+        });
+
+    });
+});