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getCountry test

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This commit is contained in:
Matthias Kretschmann 2019-04-28 00:13:55 +02:00
parent d1d6c4b1f0
commit 7f0e1ca39d
Signed by: m
GPG Key ID: 606EEEF3C479A91F
1 changed files with 10 additions and 6 deletions
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16
src/utils/getCountry.test.js
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@ -1,7 +1,5 @@
import { getCountry } from './getCountry' import { getCountry } from './getCountry'
const responseMock = 'loc=DE'
const mockFetch = data => const mockFetch = data =>
jest.fn().mockImplementationOnce(() => jest.fn().mockImplementationOnce(() =>
Promise.resolve({ Promise.resolve({
@ -13,15 +11,21 @@ const mockFetch = data =>
) )
describe('getCountry', () => { describe('getCountry', () => {
beforeEach(() => {
global.fetch = mockFetch(responseMock)
})
it('fetches and returns correct value', async () => { it('fetches and returns correct value', async () => {
global.fetch = mockFetch('loc=DE')
const country = await getCountry() const country = await getCountry()
expect(global.fetch).toHaveBeenCalledTimes(1) expect(global.fetch).toHaveBeenCalledTimes(1)
expect(global.fetch).toHaveBeenCalledWith('/cdn-cgi/trace?no-cache=1') expect(global.fetch).toHaveBeenCalledWith('/cdn-cgi/trace?no-cache=1')
expect(country).toBe('DE') expect(country).toBe('DE')
}) })
it('returns nothing when XX country', async () => {
global.fetch = mockFetch('loc=XX')
const country = await getCountry()
expect(global.fetch).toHaveBeenCalledTimes(1)
expect(global.fetch).toHaveBeenCalledWith('/cdn-cgi/trace?no-cache=1')
expect(country).toBe(undefined)
})
}) })