96 lines
2.9 KiB
TypeScript
96 lines
2.9 KiB
TypeScript
import { patchProp } from '../src/patchProp'
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import { render, h } from '../src'
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describe('runtime-dom: props patching', () => {
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test('basic', () => {
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const el = document.createElement('div')
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patchProp(el, 'id', null, 'foo')
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expect(el.id).toBe('foo')
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// prop with string value should be set to empty string on null values
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patchProp(el, 'id', null, null)
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expect(el.id).toBe('')
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})
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test('value', () => {
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const el = document.createElement('input')
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patchProp(el, 'value', null, 'foo')
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expect(el.value).toBe('foo')
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patchProp(el, 'value', null, null)
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expect(el.value).toBe('')
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const obj = {}
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patchProp(el, 'value', null, obj)
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expect(el.value).toBe(obj.toString())
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expect((el as any)._value).toBe(obj)
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})
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test('boolean prop', () => {
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const el = document.createElement('select')
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patchProp(el, 'multiple', null, '')
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expect(el.multiple).toBe(true)
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patchProp(el, 'multiple', null, null)
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expect(el.multiple).toBe(false)
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})
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test('innerHTML unmount prev children', () => {
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const fn = jest.fn()
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const comp = {
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render: () => 'foo',
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unmounted: fn
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}
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const root = document.createElement('div')
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render(h('div', null, [h(comp)]), root)
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expect(root.innerHTML).toBe(`<div>foo</div>`)
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render(h('div', { innerHTML: 'bar' }), root)
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expect(root.innerHTML).toBe(`<div>bar</div>`)
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expect(fn).toHaveBeenCalled()
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})
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// #954
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test('(svg) innerHTML unmount prev children', () => {
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const fn = jest.fn()
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const comp = {
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render: () => 'foo',
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unmounted: fn
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}
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const root = document.createElement('div')
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render(h('div', null, [h(comp)]), root)
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expect(root.innerHTML).toBe(`<div>foo</div>`)
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render(h('svg', { innerHTML: '<g></g>' }), root)
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expect(root.innerHTML).toBe(`<svg><g></g></svg>`)
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expect(fn).toHaveBeenCalled()
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})
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test('textContent unmount prev children', () => {
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const fn = jest.fn()
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const comp = {
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render: () => 'foo',
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unmounted: fn
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}
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const root = document.createElement('div')
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render(h('div', null, [h(comp)]), root)
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expect(root.innerHTML).toBe(`<div>foo</div>`)
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render(h('div', { textContent: 'bar' }), root)
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expect(root.innerHTML).toBe(`<div>bar</div>`)
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expect(fn).toHaveBeenCalled()
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})
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// #1049
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test('set value as-is for non string-value props', () => {
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const el = document.createElement('video')
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// jsdom doesn't really support video playback. srcObject in a real browser
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// should default to `null`, but in jsdom it's `undefined`.
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// anyway, here we just want to make sure Vue doesn't set non-string props
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// to an empty string on nullish values - it should reset to its default
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// value.
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const intiialValue = el.srcObject
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const fakeObject = {}
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patchProp(el, 'srcObject', null, fakeObject)
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expect(el.srcObject).not.toBe(fakeObject)
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patchProp(el, 'srcObject', null, null)
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expect(el.srcObject).toBe(intiialValue)
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})
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})
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