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57 lines
1.6 KiB
57 lines
1.6 KiB
6 months ago
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// @vitest-environment jsdom
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import { beforeEach, describe, expect, it, vi } from 'vitest'
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import { DOMContext } from './dom-context.svelte'
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describe('DOMContext', () => {
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beforeEach(() => {
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document.body.innerHTML = ''
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})
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it('falls back to the global document when no element is present', () => {
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const node = document.createElement('div')
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node.id = 'global-node'
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document.body.appendChild(node)
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const context = new DOMContext(() => null)
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expect(context.getDocument()).toBe(document)
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expect(context.getWindow()).toBe(window)
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expect(context.getElementById('global-node')).toBe(node)
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expect(context.querySelector('#global-node')).toBe(node)
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})
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it('scopes queries and active element to the element root', () => {
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const host = document.createElement('div')
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const shadow = host.attachShadow({ mode: 'open' })
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const input = document.createElement('input')
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input.id = 'shadow-input'
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shadow.appendChild(input)
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document.body.appendChild(host)
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const context = new DOMContext(() => input)
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input.focus()
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expect(context.provider.current).toBe(shadow)
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expect(context.querySelector('#shadow-input')).toBe(input)
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expect(context.getActiveElement()).toBe(input)
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expect(context.isActiveElement(input)).toBe(true)
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})
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it('proxies timers through the provider window', () => {
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vi.useFakeTimers()
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const context = new DOMContext(() => null)
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const callback = vi.fn()
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const timeoutId = context.setTimeout(callback, 10)
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vi.advanceTimersByTime(10)
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expect(callback).toHaveBeenCalledTimes(1)
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context.clearTimeout(timeoutId)
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vi.useRealTimers()
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})
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})
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