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33 lines
967 B
33 lines
967 B
import test from 'ava';
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import Window from 'window';
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import whenDomReady from '../';
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test('whenDomReady is a function', t => {
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t.is(typeof whenDomReady, 'function');
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});
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test('whenDomReady returns a Promise', t => {
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const { document } = new Window();
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t.true(whenDomReady(document) instanceof Promise);
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});
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test('whenDomReady.resume is a function', t => {
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t.is(typeof whenDomReady.resume, 'function');
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});
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test('whenDomReady.resume returns a function that returns a promise', t => {
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const { document } = new Window();
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const returnValue = whenDomReady.resume(document);
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t.is(typeof returnValue, 'function');
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t.true(returnValue() instanceof Promise);
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});
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test('Promise value always resolves to undefined', async t => {
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t.plan(2);
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const { document } = new Window();
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const promises = [
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whenDomReady(() => 'foo', document).then(val => t.is(val, undefined)),
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whenDomReady(document).then(val => t.is(val, undefined))
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];
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await Promise.all(promises);
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});
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