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68 lines
1.4 KiB
68 lines
1.4 KiB
6 years ago
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export default {
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props: {
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x: false,
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y: true
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},
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test({ assert, component, target, raf }) {
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// first, toggle x — first element should snap in
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// and out while second one transitions
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component.x = true;
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let divs = target.querySelectorAll('div');
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assert.equal(divs[0].foo, undefined);
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assert.equal(divs[1].foo, 0);
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raf.tick(50);
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assert.equal(divs[0].foo, undefined);
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assert.equal(divs[1].foo, 0.5);
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raf.tick(100);
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component.x = false;
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assert.htmlEqual(target.innerHTML, `
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<div>snaps if x changes</div>
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<div>transitions if x changes</div>
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`);
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raf.tick(150);
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assert.equal(divs[0].foo, undefined);
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assert.equal(divs[1].foo, 0.5);
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raf.tick(200);
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assert.htmlEqual(target.innerHTML, '');
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// then toggle y
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component.y = false;
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component.x = true;
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component.y = true;
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assert.htmlEqual(target.innerHTML, `
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<div>snaps if x changes</div>
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<div>transitions if x changes</div>
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`);
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divs = target.querySelectorAll('div');
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raf.tick(250);
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assert.equal(divs[0].foo, 0.5);
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assert.equal(divs[1].foo, 0.5);
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raf.tick(300);
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assert.equal(divs[0].foo, 1);
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assert.equal(divs[1].foo, 1);
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component.y = false;
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assert.htmlEqual(target.innerHTML, `
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<div>snaps if x changes</div>
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<div>transitions if x changes</div>
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`);
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raf.tick(320);
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assert.equal(divs[0].foo, 0.8);
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assert.equal(divs[1].foo, 0.8);
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raf.tick(400);
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assert.htmlEqual(target.innerHTML, '');
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},
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};
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