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svelte/test/runtime/samples/binding-this-each-block-pro.../_config.js

54 lines
1.3 KiB

let calls = [];
function callback(refs) {
calls.push(refs.map(({ ref }) => ({ ref })));
}
export default {
html: '',
props: {
callback
},
after_test() {
calls = [];
},
async test({ assert, component, target }) {
assert.equal(calls.length, 1);
assert.equal(calls[0].length, 0);
await component.addItem();
let divs = target.querySelectorAll('div');
assert.equal(calls.length, 3);
assert.equal(calls[1].length, 1);
assert.equal(calls[1][0].ref, null);
assert.equal(calls[2].length, 1);
assert.equal(calls[2][0].ref, divs[0]);
await component.addItem();
divs = target.querySelectorAll('div');
assert.equal(calls.length, 5);
assert.equal(calls[3].length, 2);
assert.equal(calls[3][0].ref, divs[0]);
assert.equal(calls[3][1].ref, null);
assert.equal(calls[4].length, 2);
assert.equal(calls[4][0].ref, divs[0]);
assert.equal(calls[4][1].ref, divs[1]);
await component.addItem();
divs = target.querySelectorAll('div');
assert.equal(calls.length, 7);
assert.equal(calls[5].length, 3);
assert.equal(calls[5][0].ref, divs[0]);
assert.equal(calls[5][1].ref, divs[1]);
assert.equal(calls[5][2].ref, null);
assert.equal(calls[6].length, 3);
assert.equal(calls[6][0].ref, divs[0]);
assert.equal(calls[6][1].ref, divs[1]);
assert.equal(calls[6][2].ref, divs[2]);
}
};