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describe('zoom (option)', () => {
it('should be `null` be default', () => {
const image = window.createImage();
const cropper = new Cropper(image);
expect(cropper.options.zoom).to.be.null;
});
it('should execute the `zoom` hook function', (done) => {
const image = window.createImage();
const cropper = new Cropper(image, {
ready() {
cropper.zoom(0.1);
},
zoom(event) {
expect(event.type).to.equal('zoom');
expect(event.detail).to.be.an('object').that.has.all.keys(['ratio', 'oldRatio', 'originalEvent']);
expect(event.detail.ratio).to.be.a('number');
expect(event.detail.oldRatio).to.be.a('number');
expect(event.detail.ratio).to.be.above(0);
expect(event.detail.oldRatio).to.be.above(0);
expect(event.detail.ratio).to.be.above(event.detail.oldRatio);
done();
},
});
expect(cropper.options.zoom).to.be.a('function');
});
it('should not change the canvas sizes when default prevented', (done) => {
const image = window.createImage();
const cropper = new Cropper(image, {
ready() {
const canvasData = cropper.getCanvasData();
expect(cropper.zoom(0.1).getCanvasData()).to.deep.equal(canvasData);
done();
},
zoom(event) {
event.preventDefault();
},
});
});
});
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