openpencil/tests/engine/dom-css/runtime.test.ts
2026-06-30 10:47:25 +03:00

93 lines
3.5 KiB
TypeScript

import { describe, expect, it } from 'bun:test'
import { createCSSRuntime, createHeadlessCSSRuntime, serializeHTML } from '@open-pencil/dom-css'
import { DOM_CSS_COLORS, simpleCardDocument } from '#tests/helpers/dom-css'
describe('@open-pencil/dom-css', () => {
it('serializes DesignDOM as HTML', () => {
expect(serializeHTML(simpleCardDocument)).toBe(
'<div class="card" data-id="node-1">OpenPencil</div>'
)
})
it('uses the headless runtime outside browser contexts', () => {
const runtime = createCSSRuntime()
expect(runtime.kind).toBe('headless')
expect(runtime.serializeHTML(simpleCardDocument)).toBe(
'<div class="card" data-id="node-1">OpenPencil</div>'
)
})
it('parses HTML with the headless runtime', () => {
const runtime = createHeadlessCSSRuntime()
const document = runtime.parseHTML(
'<section class="card" style="width: 320px; color: rgb(17, 24, 39)">OpenPencil</section>'
)
const section = document.children[0]
expect(section?.type).toBe('element')
if (section?.type !== 'element') return
expect(section.tagName).toBe('section')
expect(section.attrs.class).toBe('card')
expect(section.inlineStyle?.width).toBe('320px')
expect(section.inlineStyle?.color).toBe('rgb(17, 24, 39)')
expect(section.children[0]).toEqual({ type: 'text', text: 'OpenPencil' })
})
it('computes simple headless styles from CSSOM rules', async () => {
const runtime = createHeadlessCSSRuntime()
const document = await runtime.computeStyles(
simpleCardDocument,
`.card { width: 320px; color: ${DOM_CSS_COLORS.slate900}; } #missing { color: red; }`
)
const card = document.children[0]
expect(card?.type).toBe('element')
if (card?.type !== 'element') return
expect(card.computedStyle?.width).toBe('320px')
expect(card.computedStyle?.color).toBe(DOM_CSS_COLORS.slate900)
})
it('applies specificity, descendant selectors, child selectors, inheritance, and shorthands', async () => {
const runtime = createHeadlessCSSRuntime()
const parsed = runtime.parseHTML(`
<article id="hero" class="card featured">
<header><h1 class="title">OpenPencil</h1></header>
</article>
`)
const document = await runtime.computeStyles(
parsed,
`
article { color: ${DOM_CSS_COLORS.slate900}; padding: 8px 16px; }
.card { width: 300px; color: ${DOM_CSS_COLORS.slate700}; }
article.card > header { gap: 12px; }
.card .title { font-size: 24px; }
#hero { width: 320px; background: white; }
`
)
const card = document.children[0]
expect(card?.type).toBe('element')
if (card?.type !== 'element') return
expect(card.computedStyle?.width).toBe('320px')
expect(card.computedStyle?.color).toBe(DOM_CSS_COLORS.slate700)
expect(card.computedStyle?.['padding-top']).toBe('8px')
expect(card.computedStyle?.['padding-right']).toBe('16px')
expect(card.computedStyle?.['background-color']).toBe('white')
const header = card.children.find((child) => child.type === 'element')
expect(header?.type).toBe('element')
if (header?.type !== 'element') return
expect(header.computedStyle?.gap).toBe('12px')
expect(header.computedStyle?.color).toBe(DOM_CSS_COLORS.slate700)
const title = header.children[0]
expect(title?.type).toBe('element')
if (title?.type !== 'element') return
expect(title.computedStyle?.['font-size']).toBe('24px')
expect(title.computedStyle?.color).toBe(DOM_CSS_COLORS.slate700)
})
})