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vitepress/__tests__/unit/shared/shared.test.ts

57 lines
1.8 KiB

import { mergeHead, type HeadConfig } from 'shared/shared'
describe('shared/shared', () => {
describe('mergeHead', () => {
test('replaces meta tags with the same key in place', () => {
expect(
mergeHead(
[
['meta', { property: 'og:image', content: '/site.png' }],
['meta', { name: 'keywords', content: 'site' }]
],
[['meta', { content: '/page.png', property: 'og:image' }]]
)
).toEqual([
['meta', { content: '/page.png', property: 'og:image' }],
['meta', { name: 'keywords', content: 'site' }]
])
})
test('ignores content when keying meta tags', () => {
const head: HeadConfig[] = [
['meta', { content: 'a', name: 'name1' }],
['meta', { content: 'a', name: 'name2' }]
]
expect(mergeHead(head)).toEqual(head)
})
test('keys any element by id regardless of attribute order', () => {
expect(
mergeHead(
[
['meta', { name: 'author', content: 'a', id: 'author-a' }],
['meta', { name: 'author', content: 'b', id: 'author-b' }],
['script', { id: 'sw' }, 'old']
],
[
['meta', { id: 'author-a', name: 'author', content: 'c' }],
['script', { id: 'sw' }, 'new']
]
)
).toEqual([
['meta', { id: 'author-a', name: 'author', content: 'c' }],
['meta', { name: 'author', content: 'b', id: 'author-b' }],
['script', { id: 'sw' }, 'new']
])
})
test('appends elements without a key', () => {
const head: HeadConfig[] = [
['link', { rel: 'stylesheet', href: '/a.css' }],
['link', { rel: 'stylesheet', href: '/a.css' }]
]
expect(mergeHead(head, head)).toEqual([...head, ...head])
})
})
})