Chore/extend license test

test/AcceptLicense.spec.js

@@ -0,0 +1,37 @@
+import React from 'react'
+import { render, screen, fireEvent } from '@testing-library/react-native'
+import AcceptLicense from '../components/AcceptLicense'
+
+import { saveLicenseFlag } from '../local-storage'
+
+jest.mock('../local-storage', () => ({
+  saveLicenseFlag: jest.fn(() => Promise.resolve()),
+}))
+
+jest.mock('react-i18next', () => ({
+  useTranslation: () => ({
+    t: (str, options) => {
+      return str + (options ? JSON.stringify(options) : '')
+    },
+  }),
+}))
+
+describe('AcceptLicense', () => {
+  test('On clicking OK button, the license is accepted', async () => {
+    const mockedSetLicense = jest.fn()
+    render(<AcceptLicense setLicense={mockedSetLicense} />)
+
+    const okButton = screen.getByText('ok', { exact: false })
+
+    fireEvent(okButton, 'click')
+
+    await expect(saveLicenseFlag).toHaveBeenCalled()
+    expect(mockedSetLicense).toHaveBeenCalled()
+  })
+
+  test('There is a Cancel button', async () => {
+    render(<AcceptLicense setLicense={jest.fn()} />)
+
+    screen.getByText('cancel', { exact: false })
+  })
+})