39 lines
1.2 KiB
TypeScript
39 lines
1.2 KiB
TypeScript
import { describe, expect, it } from 'vitest';
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import {
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readCachedPaymentLink,
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writeCachedPaymentLink,
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} from './paymentLinkCache';
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function createMockStorage(): Storage {
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const store = new Map<string, string>();
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return {
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getItem: (key: string) => store.get(key) ?? null,
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setItem: (key: string, value: string) => void store.set(key, value),
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removeItem: (key: string) => void store.delete(key),
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clear: () => store.clear(),
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key: () => null,
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get length() {
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return store.size;
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},
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};
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}
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describe('payment link cache', () => {
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it('returns null when nothing is cached', () => {
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expect(readCachedPaymentLink(createMockStorage())).toBeNull();
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});
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it('round-trips a cached link', () => {
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const storage = createMockStorage();
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writeCachedPaymentLink(storage, 'https://paypal.me/alice');
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expect(readCachedPaymentLink(storage)).toBe('https://paypal.me/alice');
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});
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it('overwrites a previously cached link', () => {
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const storage = createMockStorage();
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writeCachedPaymentLink(storage, 'https://paypal.me/alice');
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writeCachedPaymentLink(storage, 'https://paypal.me/bob');
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expect(readCachedPaymentLink(storage)).toBe('https://paypal.me/bob');
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});
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});
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