Files
remark42/frontend/app/utils/get-hidden-users.test.ts
T
2021-05-06 15:55:46 -05:00

34 lines
1.2 KiB
TypeScript

import { LS_HIDDEN_USERS_KEY } from 'common/constants';
import { getHiddenUsers } from './get-hidden-users';
describe('getHiddenUsers', () => {
it('should get hidden users from local storage', async () => {
localStorage.setItem(LS_HIDDEN_USERS_KEY, JSON.stringify([]));
expect(getHiddenUsers()).toEqual({});
});
it('should return empty object with array in local storage', async () => {
localStorage.setItem(LS_HIDDEN_USERS_KEY, JSON.stringify([]));
expect(getHiddenUsers()).toEqual({});
});
it('should return empty object with null in local storage', async () => {
localStorage.setItem(LS_HIDDEN_USERS_KEY, JSON.stringify(null));
expect(getHiddenUsers()).toEqual({});
});
it('should return empty object with string in local storage', async () => {
localStorage.setItem(LS_HIDDEN_USERS_KEY, JSON.stringify('string'));
expect(getHiddenUsers()).toEqual({});
});
test('should return empty object and log error with invalid JSON in localStorage', async () => {
const consoleSpy = jest.spyOn(console, 'error').mockImplementation();
localStorage.setItem(LS_HIDDEN_USERS_KEY, '"{:"""');
expect(getHiddenUsers()).toEqual({});
expect(consoleSpy).toHaveBeenCalled();
});
});