alfresco-ng2-components/lib/core/viewer/directives/viewer-extension.directive.spec.ts

/*!
 * @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 { Location } from '@angular/common';
import { SpyLocation } from '@angular/common/testing';
import { ChangeDetectorRef, ElementRef } from '@angular/core';
import { TestBed } from '@angular/core/testing';
import { ViewerComponent } from '../components/viewer.component';
import { ViewerExtensionDirective } from './viewer-extension.directive';
import { setupTestBed } from '../../testing/setup-test-bed';
import { CoreTestingModule } from '../../testing/core.testing.module';
import { TranslateModule } from '@ngx-translate/core';

describe('ExtensionViewerDirective', () => {
    let extensionViewerDirective: ViewerExtensionDirective;

    class MockElementRef extends ElementRef {
        constructor() {
            super(null);
        }
    }

    setupTestBed({
        imports: [
            TranslateModule.forRoot(),
            CoreTestingModule
        ],
        providers: [
            { provide: Location, useClass: SpyLocation },
            ViewerExtensionDirective,
            {provide: ElementRef, useClass: MockElementRef},
            ViewerComponent,
            { provide: ChangeDetectorRef, useValue: { detectChanges: () => {} } }
        ]
    });

    beforeEach(() => {
        extensionViewerDirective = TestBed.inject(ViewerExtensionDirective);
        extensionViewerDirective.templateModel = {template: '', isVisible: false};
    });

    it('is defined', () => {
        expect(extensionViewerDirective).toBeDefined();
    });

    it('if the file in the viewer has an extension handled by this extension isVisible should be true', () => {
        extensionViewerDirective.supportedExtensions = ['xls', 'sts'];
        expect(extensionViewerDirective.isVisible('xls')).toBeTruthy();
    });

    it('if the file in the viewer not has an extension handled by this extension isVisible should be false', () => {
        extensionViewerDirective.supportedExtensions = ['xls', 'sts'];
        expect(extensionViewerDirective.isVisible('png')).not.toBeTruthy();
    });
});