svelte-i18n/test/client/locale.test.ts
2019-11-25 17:16:38 -03:00

80 lines
2.4 KiB
TypeScript

import {
getFallbackLocale,
setFallbackLocale,
isFallbackLocaleOf,
getFallbackOf,
getFallbacksOf,
setInitialLocale,
getCurrentLocale,
$locale,
isRelatedLocale,
} from '../../src/client/stores/locale'
beforeEach(() => {
setFallbackLocale(undefined)
})
test('sets and gets the fallback locale', () => {
setFallbackLocale('en')
expect(getFallbackLocale()).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 certain 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', () => {
setFallbackLocale('en')
expect(getFallbackOf('it')).toBe('en')
})
test('should not get the global fallback as the fallback of itself', () => {
setFallbackLocale('en')
expect(getFallbackOf('en')).toBe(null)
})
test('if global fallback locale has a fallback, it should return it', () => {
setFallbackLocale('en-US')
expect(getFallbackOf('en-US')).toBe('en')
})
test('gets all fallback locales of a certain locale', () => {
expect(getFallbacksOf('en-US')).toEqual(['en', 'en-US'])
expect(getFallbacksOf('en-US')).toEqual(['en', 'en-US'])
expect(getFallbacksOf('az-Cyrl-AZ')).toEqual(['az', 'az-Cyrl', 'az-Cyrl-AZ'])
})
test('gets all fallback locales of a certain locale including the global fallback locale', () => {
setFallbackLocale('pt')
expect(getFallbacksOf('en-US')).toEqual(['en', 'en-US', 'pt'])
expect(getFallbacksOf('en-US')).toEqual(['en', 'en-US', 'pt'])
expect(getFallbacksOf('az-Cyrl-AZ')).toEqual([
'az',
'az-Cyrl',
'az-Cyrl-AZ',
'pt',
])
})
test('should not list fallback locale twice', () => {
setFallbackLocale('pt-BR')
expect(getFallbacksOf('pt-BR')).toEqual(['pt', 'pt-BR'])
expect(getFallbacksOf('pt')).toEqual(['pt'])
})