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describe('preview (option)', () => {
it('should be an empty string be default', () => {
const image = window.createImage();
const cropper = new Cropper(image);
expect(cropper.options.preview).to.be.a('string').that.is.empty;
});
it('should support element', (done) => {
const image = window.createImage();
const preview = document.createElement('div');
image.ownerDocument.body.appendChild(preview);
const cropper = new Cropper(image, {
preview,
ready() {
expect(preview.firstElementChild).to.not.be.null;
expect(preview.firstElementChild.src).to.equal(image.src);
done();
},
});
expect(cropper.options.preview).to.equal(preview);
});
it('should support array of elements', (done) => {
const image = window.createImage();
const previews = document.createElement('ul');
const preview1 = document.createElement('li');
const preview2 = document.createElement('li');
const preview = [preview1, preview2];
previews.appendChild(preview1);
previews.appendChild(preview2);
image.ownerDocument.body.appendChild(previews);
const cropper = new Cropper(image, {
preview,
ready() {
expect(preview1.firstElementChild).to.not.be.null;
expect(preview2.firstElementChild).to.not.be.null;
expect(preview1.firstElementChild.src).to.equal(image.src);
expect(preview2.firstElementChild.src).to.equal(image.src);
done();
},
});
expect(cropper.options.preview).to.equal(preview);
});
it('should support `NodeList` object', (done) => {
const image = window.createImage();
const previews = document.createElement('ul');
const preview1 = document.createElement('li');
const preview2 = document.createElement('li');
previews.appendChild(preview1);
previews.appendChild(preview2);
image.ownerDocument.body.appendChild(previews);
const cropper = new Cropper(image, {
preview: previews.children,
ready() {
expect(preview1.firstElementChild).to.not.be.null;
expect(preview2.firstElementChild).to.not.be.null;
expect(preview1.firstElementChild.src).to.equal(image.src);
expect(preview2.firstElementChild.src).to.equal(image.src);
done();
},
});
expect(cropper.options.preview).to.equal(previews.children);
});
it('should support selector', (done) => {
const image = window.createImage();
const previews = document.createElement('ul');
const preview1 = document.createElement('li');
const preview2 = document.createElement('li');
preview1.className = 'preview';
preview2.className = 'preview';
previews.appendChild(preview1);
previews.appendChild(preview2);
image.ownerDocument.body.appendChild(previews);
const cropper = new Cropper(image, {
preview: '.preview',
ready() {
expect(preview1.firstElementChild).to.not.be.null;
expect(preview2.firstElementChild).to.not.be.null;
expect(preview1.firstElementChild.src).to.equal(image.src);
expect(preview2.firstElementChild.src).to.equal(image.src);
done();
},
});
expect(cropper.options.preview).to.equal('.preview');
});
});
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