Public Access
lobo
89d0b29698
F16 F17 F18 F19 F20 F21: import polling backs off and pauses in a hidden tab, one date format module, fake timers in the import tests, error codes instead of raw messages, one safe storage wrapper, dead code.
32 lines
961 B
JavaScript
32 lines
961 B
JavaScript
// @vitest-environment jsdom
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import {afterEach, describe, expect, it, vi} from 'vitest';
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import {storage} from './storage.js';
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afterEach(() => {
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vi.restoreAllMocks();
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localStorage.clear();
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});
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const blockStorage = () => ['getItem', 'setItem', 'removeItem'].forEach((method) =>
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vi.spyOn(Storage.prototype, method).mockImplementation(() => {
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throw new DOMException('blocked', 'SecurityError');
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}));
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describe('storage', () => {
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it('reads, writes and removes a value', () => {
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storage.set('key', 'value');
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expect(storage.get('key')).toBe('value');
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storage.remove('key');
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expect(storage.get('key')).toBeNull();
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});
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it('does not throw when localStorage throws, and reads null', () => {
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blockStorage();
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expect(() => storage.set('key', 'value')).not.toThrow();
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expect(() => storage.remove('key')).not.toThrow();
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expect(storage.get('key')).toBeNull();
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});
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});
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