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describe('zoom (event)', () => {
it('should trigger the `zoom` event', (done) => {
const image = window.createImage();
let cropper;
image.addEventListener('ready', () => {
cropper.zoom(0.1);
});
image.addEventListener('zoom', (event) => {
expect(event.type).to.equal('zoom');
done();
});
cropper = new Cropper(image);
});
it('should have correct properties in `event.detail`', (done) => {
const image = window.createImage();
let cropper;
image.addEventListener('ready', () => {
cropper.zoom(0.1);
});
image.addEventListener('zoom', (event) => {
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();
});
cropper = new Cropper(image);
});
it('should not change the canvas sizes when default prevented', (done) => {
const image = window.createImage();
let cropper;
image.addEventListener('ready', () => {
const canvasData = cropper.getCanvasData();
expect(cropper.zoom(0.1).getCanvasData()).to.deep.equal(canvasData);
done();
});
image.addEventListener('zoom', (event) => {
event.preventDefault();
});
cropper = new Cropper(image);
});
});
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