describe('scale (option)', () => {
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it('should be null be default', () => {
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const image = window.createImage();
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const viewer = new Viewer(image);
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expect(viewer.options.scale).to.be.null;
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});
|
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it('should execute the `scale` hook function', (done) => {
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const image = window.createImage();
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const viewer = new Viewer(image, {
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viewed() {
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viewer.scale(-1);
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},
|
|
scale(event) {
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expect(event.type).to.equal('scale');
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event.preventDefault();
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viewer.hide(true);
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done();
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},
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});
|
|
viewer.show();
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});
|
|
it('should have expected properties in `event.detail`', (done) => {
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const image = window.createImage();
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const viewer = new Viewer(image, {
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viewed() {
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viewer.scale(-1);
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},
|
|
scale(event) {
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const { detail } = event;
|
|
expect(detail).to.be.an('object').that.has.all.keys('scaleX', 'scaleY', 'oldScaleX', 'oldScaleY');
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expect(detail.scaleX).to.be.a('number');
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expect(detail.scaleY).to.be.a('number');
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expect(detail.oldScaleX).to.be.a('number');
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expect(detail.oldScaleY).to.be.a('number');
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event.preventDefault();
|
viewer.hide(true);
|
done();
|
},
|
});
|
|
viewer.show();
|
});
|
|
it('should not execute the `scaled` hook function when default prevented', (done) => {
|
const image = window.createImage();
|
const viewer = new Viewer(image, {
|
inline: true,
|
|
viewed() {
|
viewer.scale(-1);
|
},
|
|
scale(event) {
|
event.preventDefault();
|
setTimeout(() => {
|
viewer.hide(true);
|
done();
|
}, 350);
|
},
|
|
scaled() {
|
expect.fail(1, 0);
|
},
|
});
|
});
|
|
it('should execute the `scale` hook function in inline mode', (done) => {
|
const image = window.createImage();
|
|
new Viewer(image, {
|
inline: true,
|
|
viewed() {
|
this.viewer.scale(-1);
|
},
|
|
scale(event) {
|
expect(event.type).to.equal('scale');
|
done();
|
},
|
});
|
});
|
});
|