25 lines
773 B
TypeScript
25 lines
773 B
TypeScript
import { afterEach, describe, expect, it, vi } from 'vitest'
|
|
import { resolvedClientTimeZone } from '../src/client/time-zone.ts'
|
|
|
|
afterEach(() => {
|
|
vi.restoreAllMocks()
|
|
})
|
|
|
|
describe('browser time zone', () => {
|
|
it('returns the runtime-resolved zone', () => {
|
|
expect(resolvedClientTimeZone()).toBe(
|
|
new Intl.DateTimeFormat().resolvedOptions().timeZone,
|
|
)
|
|
})
|
|
|
|
it.each([undefined, ''])('fails loud when the runtime exposes no zone %#', (timeZone) => {
|
|
const options = new Intl.DateTimeFormat().resolvedOptions()
|
|
vi.spyOn(Intl.DateTimeFormat.prototype, 'resolvedOptions').mockReturnValue({
|
|
...options,
|
|
timeZone: timeZone as string,
|
|
})
|
|
|
|
expect(() => resolvedClientTimeZone()).toThrow('browser time zone is unavailable')
|
|
})
|
|
})
|