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

137 lines
4.1 KiB
TypeScript

import { get } from 'svelte/store'
import { lookup } from '../../../src/runtime/includes/lookup'
import {
isFallbackLocaleOf,
getFallbackOf,
getRelatedLocalesOf,
getCurrentLocale,
$locale,
isRelatedLocale,
} from '../../../src/runtime/stores/locale'
import { getOptions, init } from '../../../src/runtime/configs'
import { register } from '../../../src/runtime'
import { hasLocaleQueue } from '../../../src/runtime/includes/loaderQueue'
beforeEach(() => {
init({ fallbackLocale: undefined })
$locale.set(undefined)
})
test('sets and gets the fallback locale', () => {
init({ fallbackLocale: 'en' })
expect(getOptions().fallbackLocale).toBe('en')
})
test('checks if a locale is a fallback locale of another locale', () => {
expect(isFallbackLocaleOf('en', 'en-US')).toBe(true)
expect(isFallbackLocaleOf('en', 'en')).toBe(false)
expect(isFallbackLocaleOf('it', 'en-US')).toBe(false)
})
test('checks if a locale is a fallback locale of another locale', () => {
expect(isRelatedLocale('en', 'en-US')).toBe(true)
expect(isRelatedLocale('pt-BR', 'pt')).toBe(true)
expect(isRelatedLocale('en', 'en')).toBe(true)
expect(isRelatedLocale('en', 'it-IT')).toBe(false)
expect(isRelatedLocale('en-US', 'it')).toBe(false)
})
test('gets the next fallback locale of a locale', () => {
expect(getFallbackOf('az-Cyrl-AZ')).toBe('az-Cyrl')
expect(getFallbackOf('en-US')).toBe('en')
expect(getFallbackOf('en')).toBe(null)
})
test('gets the global fallback locale if set', () => {
init({ fallbackLocale: 'en' })
expect(getFallbackOf('it')).toBe('en')
})
test('should not get the global fallback as the fallback of itself', () => {
init({ fallbackLocale: 'en' })
expect(getFallbackOf('en')).toBe(null)
})
test('if global fallback locale has a fallback, it should return it', () => {
init({ fallbackLocale: 'en-US' })
expect(getFallbackOf('en-US')).toBe('en')
})
test('gets all fallback locales of a locale', () => {
expect(getRelatedLocalesOf('en-US')).toEqual(['en', 'en-US'])
expect(getRelatedLocalesOf('en-US')).toEqual(['en', 'en-US'])
expect(getRelatedLocalesOf('az-Cyrl-AZ')).toEqual([
'az',
'az-Cyrl',
'az-Cyrl-AZ',
])
})
test('gets all fallback locales of a locale including the global fallback locale', () => {
init({ fallbackLocale: 'pt' })
expect(getRelatedLocalesOf('en-US')).toEqual(['en', 'en-US', 'pt'])
expect(getRelatedLocalesOf('en-US')).toEqual(['en', 'en-US', 'pt'])
expect(getRelatedLocalesOf('az-Cyrl-AZ')).toEqual([
'az',
'az-Cyrl',
'az-Cyrl-AZ',
'pt',
])
})
test('gets all fallback locales of a locale including the global fallback locale and its fallbacks', () => {
init({ fallbackLocale: 'pt-BR' })
expect(getRelatedLocalesOf('en-US')).toEqual(['en', 'en-US', 'pt', 'pt-BR'])
expect(getRelatedLocalesOf('en-US')).toEqual(['en', 'en-US', 'pt', 'pt-BR'])
expect(getRelatedLocalesOf('az-Cyrl-AZ')).toEqual([
'az',
'az-Cyrl',
'az-Cyrl-AZ',
'pt',
'pt-BR',
])
})
test("don't list fallback locale twice", () => {
init({ fallbackLocale: 'pt-BR' })
expect(getRelatedLocalesOf('pt-BR')).toEqual(['pt', 'pt-BR'])
expect(getRelatedLocalesOf('pt')).toEqual(['pt'])
})
test('gets the current locale', () => {
expect(getCurrentLocale()).toBe(undefined)
$locale.set('es-ES')
expect(getCurrentLocale()).toBe('es-ES')
})
test('if no initial locale is set, set the locale to the fallback', () => {
init({ fallbackLocale: 'pt' })
expect(get($locale)).toBe('pt')
expect(getOptions().fallbackLocale).toBe('pt')
})
test('if no initial locale was found, set to the fallback locale', () => {
init({
fallbackLocale: 'en',
initialLocale: {
hash: 'lang',
},
})
expect(get($locale)).toBe('en')
expect(getOptions().fallbackLocale).toBe('en')
})
test('should flush the queue of the locale when changing the store value', async () => {
register(
'en',
() => new Promise(res => setTimeout(() => res({ foo: 'Foo' }), 50))
)
expect(hasLocaleQueue('en')).toBe(true)
await $locale.set('en')
expect(hasLocaleQueue('en')).toBe(false)
expect(lookup('foo', 'en')).toBe('Foo')
})