// @vitest-environment jsdom
import {afterEach, describe, expect, it, vi} from 'vitest';
import {storage} from './storage.js';

afterEach(() => {
    vi.restoreAllMocks();
    localStorage.clear();
});

const blockStorage = () => ['getItem', 'setItem', 'removeItem'].forEach((method) =>
    vi.spyOn(Storage.prototype, method).mockImplementation(() => {
        throw new DOMException('blocked', 'SecurityError');
    }));

describe('storage', () => {
    it('reads, writes and removes a value', () => {
        storage.set('key', 'value');
        expect(storage.get('key')).toBe('value');

        storage.remove('key');
        expect(storage.get('key')).toBeNull();
    });

    it('does not throw when localStorage throws, and reads null', () => {
        blockStorage();

        expect(() => storage.set('key', 'value')).not.toThrow();
        expect(() => storage.remove('key')).not.toThrow();
        expect(storage.get('key')).toBeNull();
    });
});