svelte-i18n/test/runtime/includes/lookup.test.ts
Christian Kaisermann dadeaa2e7f feat: 🎸 add runtime typings
 Closes: Closes #43
2020-01-23 10:11:04 -03:00

52 lines
1.4 KiB
TypeScript

import { lookup, lookupCache } from '../../../src/runtime/includes/lookup'
import { $dictionary, addMessages } from '../../../src/runtime/stores/dictionary'
beforeEach(() => {
$dictionary.set({})
})
test('returns null if no locale was passed', () => {
expect(lookup('message.id', undefined)).toBe(null)
expect(lookup('message.id', null)).toBe(null)
})
test('gets a shallow message of a locale dictionary', () => {
addMessages('en', { field: 'name' })
expect(lookup('field', 'en')).toBe('name')
})
test('gets a deep message of a locale dictionary', () => {
addMessages('en', { deep: { field: 'lastname' } })
expect(lookup('deep.field', 'en')).toBe('lastname')
})
test('gets a message from the fallback dictionary', () => {
addMessages('en', { field: 'name' })
expect(lookup('field', 'en-US')).toBe('name')
})
test('caches found messages by locale', () => {
addMessages('en', { field: 'name' })
addMessages('pt', { field: 'nome' })
lookup('field', 'en-US')
lookup('field', 'pt')
expect(lookupCache).toMatchObject({
'en-US': { field: 'name' },
pt: { field: 'nome' },
})
})
test("doesn't cache falsy messages", () => {
addMessages('en', { field: 'name' })
addMessages('pt', { field: 'nome' })
lookup('field_2', 'en-US')
lookup('field_2', 'pt')
expect(lookupCache).not.toMatchObject({
'en-US': { field_2: 'name' },
pt: { field_2: 'nome' },
})
})