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

101 lines
3.2 KiB

import {
isRelativeBase,
joinPath,
mergeHead,
relativePathToRoot,
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])
})
})
})
describe('shared/shared url helpers', () => {
describe('joinPath', () => {
test('joins and collapses slash collisions', () => {
expect(joinPath('/', '/guide/')).toBe('/guide/')
expect(joinPath('/docs/', '/guide/page')).toBe('/docs/guide/page')
expect(joinPath('/docs', 'guide')).toBe('/docsguide')
})
test('preserves the protocol of absolute url bases', () => {
expect(joinPath('https://cdn.example.com/', '/guide/')).toBe(
'https://cdn.example.com/guide/'
)
expect(joinPath('https://cdn.example.com/sub//x/', '/a')).toBe(
'https://cdn.example.com/sub/x/a'
)
expect(joinPath('//cdn.example.com/', '/a')).toBe('//cdn.example.com/a')
})
})
describe('isRelativeBase', () => {
test('only ./ is relative', () => {
expect(isRelativeBase('./')).toBe(true)
expect(isRelativeBase('/')).toBe(false)
expect(isRelativeBase('/docs/')).toBe(false)
expect(isRelativeBase('https://example.com/')).toBe(false)
})
})
describe('relativePathToRoot', () => {
test('maps a page path to its ../-prefix', () => {
expect(relativePathToRoot('index.md')).toBe('./')
expect(relativePathToRoot('foo.md')).toBe('./')
expect(relativePathToRoot('guide/index.md')).toBe('../')
expect(relativePathToRoot('guide/nested/page.md')).toBe('../../')
})
})
})