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Diffstat (limited to 'spec/frontend/blob')
-rw-r--r-- | spec/frontend/blob/sketch/index_spec.js | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/spec/frontend/blob/sketch/index_spec.js b/spec/frontend/blob/sketch/index_spec.js new file mode 100644 index 00000000000..f5e9da21b2a --- /dev/null +++ b/spec/frontend/blob/sketch/index_spec.js @@ -0,0 +1,92 @@ +import JSZip from 'jszip'; +import SketchLoader from '~/blob/sketch'; + +jest.mock('jszip'); + +describe('Sketch viewer', () => { + preloadFixtures('static/sketch_viewer.html'); + + beforeEach(() => { + loadFixtures('static/sketch_viewer.html'); + window.URL = { + createObjectURL: jest.fn(() => 'http://foo/bar'), + }; + }); + + afterEach(() => { + window.URL = {}; + }); + + describe('with error message', () => { + beforeEach(done => { + jest.spyOn(SketchLoader.prototype, 'getZipFile').mockImplementation( + () => + new Promise((resolve, reject) => { + reject(); + done(); + }), + ); + + return new SketchLoader(document.getElementById('js-sketch-viewer')); + }); + + it('renders error message', () => { + expect(document.querySelector('#js-sketch-viewer p')).not.toBeNull(); + + expect(document.querySelector('#js-sketch-viewer p').textContent.trim()).toContain( + 'Cannot show preview.', + ); + }); + + it('removes the loading icon', () => { + expect(document.querySelector('.js-loading-icon')).toBeNull(); + }); + }); + + describe('success', () => { + beforeEach(done => { + const loadAsyncMock = { + files: { + 'previews/preview.png': { + async: jest.fn(), + }, + }, + }; + + loadAsyncMock.files['previews/preview.png'].async.mockImplementation( + () => + new Promise(resolve => { + resolve('foo'); + done(); + }), + ); + + jest.spyOn(SketchLoader.prototype, 'getZipFile').mockResolvedValue(); + jest.spyOn(JSZip, 'loadAsync').mockResolvedValue(loadAsyncMock); + return new SketchLoader(document.getElementById('js-sketch-viewer')); + }); + + it('does not render error message', () => { + expect(document.querySelector('#js-sketch-viewer p')).toBeNull(); + }); + + it('removes the loading icon', () => { + expect(document.querySelector('.js-loading-icon')).toBeNull(); + }); + + it('renders preview img', () => { + const img = document.querySelector('#js-sketch-viewer img'); + + expect(img).not.toBeNull(); + expect(img.classList.contains('img-fluid')).toBeTruthy(); + }); + + it('renders link to image', () => { + const img = document.querySelector('#js-sketch-viewer img'); + const link = document.querySelector('#js-sketch-viewer a'); + + expect(link.href).toBe(img.src); + expect(link.target).toBe('_blank'); + }); + }); +}); |