client/test/localStorage.mock

let store = {};
Object.defineProperty(window, 'localStorage', {
    writable: true,
    value: {
        getItem: jest.fn().mockImplementation((key) => {
            if(key in store) {
                return store[key];
            }
            return null;
        }),
        setItem: jest.fn().mockImplementation((key, value) => {
            store[key] = value.toString();
        }),
        clear: jest.fn().mockImplementation(() => {
            store = {};
        }),
        removeItem: jest.fn().mockImplementation(() => {
            delete store[key];
        }),
    },
});