You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
svelte/test/runtime/samples/transition-js-local-and-global/_config.js

68 lines
1.4 KiB

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