106 lines
2.7 KiB
TypeScript
106 lines
2.7 KiB
TypeScript
import { describe, expect, it } from 'vitest';
|
|
import { readVisitedPots, recordVisitedPot } from './visitedPots';
|
|
|
|
function createMockStorage(): Storage {
|
|
const store = new Map<string, string>();
|
|
return {
|
|
getItem: (key: string) => store.get(key) ?? null,
|
|
setItem: (key: string, value: string) => void store.set(key, value),
|
|
removeItem: (key: string) => void store.delete(key),
|
|
clear: () => store.clear(),
|
|
key: () => null,
|
|
get length() {
|
|
return store.size;
|
|
},
|
|
};
|
|
}
|
|
|
|
describe('visited pots storage', () => {
|
|
it('returns an empty list when nothing is stored', () => {
|
|
expect(readVisitedPots(createMockStorage())).toEqual([]);
|
|
});
|
|
|
|
it('records a visited pot', () => {
|
|
const storage = createMockStorage();
|
|
recordVisitedPot(storage, {
|
|
slug: 'abc',
|
|
name: 'Lisbon Trip',
|
|
currency: 'EUR',
|
|
});
|
|
expect(readVisitedPots(storage)).toEqual([
|
|
expect.objectContaining({
|
|
slug: 'abc',
|
|
name: 'Lisbon Trip',
|
|
currency: 'EUR',
|
|
}),
|
|
]);
|
|
});
|
|
|
|
it('moves a re-visited pot to the front instead of duplicating it', () => {
|
|
const storage = createMockStorage();
|
|
recordVisitedPot(storage, {
|
|
slug: 'abc',
|
|
name: 'Lisbon Trip',
|
|
currency: 'EUR',
|
|
});
|
|
recordVisitedPot(storage, {
|
|
slug: 'def',
|
|
name: 'Ski Weekend',
|
|
currency: 'CHF',
|
|
});
|
|
recordVisitedPot(storage, {
|
|
slug: 'abc',
|
|
name: 'Lisbon Trip',
|
|
currency: 'EUR',
|
|
});
|
|
|
|
const pots = readVisitedPots(storage);
|
|
expect(pots).toHaveLength(2);
|
|
expect(pots[0]?.slug).toBe('abc');
|
|
});
|
|
|
|
it('updates the stored name and currency on revisit', () => {
|
|
const storage = createMockStorage();
|
|
recordVisitedPot(storage, {
|
|
slug: 'abc',
|
|
name: 'Old Name',
|
|
currency: 'EUR',
|
|
});
|
|
recordVisitedPot(storage, {
|
|
slug: 'abc',
|
|
name: 'New Name',
|
|
currency: 'USD',
|
|
});
|
|
|
|
expect(readVisitedPots(storage)).toEqual([
|
|
expect.objectContaining({
|
|
slug: 'abc',
|
|
name: 'New Name',
|
|
currency: 'USD',
|
|
}),
|
|
]);
|
|
});
|
|
|
|
it('ignores malformed JSON', () => {
|
|
const storage = createMockStorage();
|
|
storage.setItem('stb:visited-pots', '{not json');
|
|
expect(readVisitedPots(storage)).toEqual([]);
|
|
});
|
|
|
|
it('caps the list at 20 entries, keeping the most recent', () => {
|
|
const storage = createMockStorage();
|
|
for (let i = 0; i < 25; i++) {
|
|
recordVisitedPot(storage, {
|
|
slug: `pot-${i}`,
|
|
name: `Pot ${i}`,
|
|
currency: 'EUR',
|
|
});
|
|
}
|
|
|
|
const pots = readVisitedPots(storage);
|
|
expect(pots).toHaveLength(20);
|
|
expect(pots[0]?.slug).toBe('pot-24');
|
|
expect(pots.some((p) => p.slug === 'pot-0')).toBe(false);
|
|
});
|
|
});
|