describe('getCanvasData (method)', () => { it('should get an empty object when it is not ready', () => { const image = window.createImage(); const cropper = new Cropper(image); const canvasData = cropper.getCanvasData(); expect(canvasData).to.be.an('object').that.is.empty; }); it('should get expect canvas data when ready', (done) => { const image = window.createImage(); const cropper = new Cropper(image, { ready() { const canvasData = cropper.getCanvasData(); expect(canvasData).to.be.an('object').that.has.all.keys(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight']); expect(canvasData.left).to.be.a('number'); expect(canvasData.top).to.be.a('number'); expect(canvasData.width).to.be.a('number'); expect(canvasData.height).to.be.a('number'); expect(canvasData.naturalWidth).to.be.a('number'); expect(canvasData.naturalHeight).to.be.a('number'); done(); }, }); }); });