deckhearth/test/api/cards-price-history.test.js

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import { beforeEach, describe, expect, it, vi } from 'vitest';
vi.mock('../../lib/sql.js', () => ({ sql: vi.fn() }));
vi.mock('../../lib/pricing/price-history.js', () => ({
getPriceHistoryPoints: vi.fn(),
}));
import { sql } from '../../lib/sql.js';
import { getPriceHistoryPoints } from '../../lib/pricing/price-history.js';
import handler from '../../pages/api/cards/[id]/price-history.js';
function createRes() {
const res = {
statusCode: 200,
body: null,
status(code) {
res.statusCode = code;
return res;
},
json(data) {
res.body = data;
return res;
},
};
return res;
}
describe('GET /api/cards/[id]/price-history', () => {
beforeEach(() => {
vi.clearAllMocks();
sql.mockResolvedValue({ rows: [{ id: 42 }] });
getPriceHistoryPoints.mockResolvedValue([
{ date: '2026-01-01', amount: 1.25, source: 'scryfall', priceType: 'market', currency: 'USD' },
]);
});
it('returns 400 for invalid card id', async () => {
const req = { method: 'GET', query: { id: 'nope' } };
const res = createRes();
await handler(req, res);
expect(res.statusCode).toBe(400);
expect(sql).not.toHaveBeenCalled();
});
it('returns 400 when days is out of range', async () => {
const req = { method: 'GET', query: { id: '42', days: '999' } };
const res = createRes();
await handler(req, res);
expect(res.statusCode).toBe(400);
expect(getPriceHistoryPoints).not.toHaveBeenCalled();
});
it('returns 404 when card does not exist', async () => {
sql.mockResolvedValue({ rows: [] });
const req = { method: 'GET', query: { id: '42', days: '30' } };
const res = createRes();
await handler(req, res);
expect(res.statusCode).toBe(404);
});
it('returns points for a valid request', async () => {
const req = { method: 'GET', query: { id: '42', days: '30' } };
const res = createRes();
await handler(req, res);
expect(res.statusCode).toBe(200);
expect(getPriceHistoryPoints).toHaveBeenCalledWith(42, { days: 30 });
expect(res.body.points).toHaveLength(1);
expect(res.body.points[0].amount).toBe(1.25);
});
});