korting/test/app.test.js

const test = require('node:test');
const assert = require('node:assert/strict');
const request = require('supertest');
const { createApp } = require('../src/app');

function makeDeps(overrides = {}) {
  let products = [];
  let nextId = 1;
  return {
    listProducts: () => products,
    addProduct: ({ name, url }) => {
      const product = { id: nextId++, name, url, last_price: null, last_checked_at: null, last_check_status: null };
      products.push(product);
      return product;
    },
    deleteProduct: (id) => { products = products.filter((p) => p.id !== id); },
    checkAllProducts: async () => [],
    authUser: 'admin',
    authPass: 'secret',
    ...overrides,
  };
}

test('rejects requests without basic auth credentials', async () => {
  const app = createApp(makeDeps());
  const res = await request(app).get('/');
  assert.equal(res.status, 401);
});

test('lists products for authenticated requests', async () => {
  const deps = makeDeps();
  deps.addProduct({ name: 'Voorbeeld', url: 'https://example.com' });
  const app = createApp(deps);
  const res = await request(app).get('/').auth('admin', 'secret');
  assert.equal(res.status, 200);
  assert.match(res.text, /Voorbeeld/);
});

test('adding a product redirects to the list', async () => {
  const deps = makeDeps();
  const app = createApp(deps);
  const res = await request(app)
    .post('/products')
    .auth('admin', 'secret')
    .type('form')
    .send({ name: 'Nieuw product', url: 'https://shop.example/p' });
  assert.equal(res.status, 302);
  assert.equal(res.headers.location, '/');
  const list = await request(app).get('/').auth('admin', 'secret');
  assert.match(list.text, /Nieuw product/);
});

test('deleting a product removes it from the list', async () => {
  const deps = makeDeps();
  const product = deps.addProduct({ name: 'Weg ermee', url: 'https://shop.example/p2' });
  const app = createApp(deps);
  const res = await request(app).post(`/products/${product.id}/delete`).auth('admin', 'secret');
  assert.equal(res.status, 302);
  const list = await request(app).get('/').auth('admin', 'secret');
  assert.doesNotMatch(list.text, /Weg ermee/);
});

test('check-now triggers checkAllProducts and redirects with confirmation', async () => {
  let called = false;
  const deps = makeDeps({ checkAllProducts: async () => { called = true; return []; } });
  const app = createApp(deps);
  const res = await request(app).post('/check-now').auth('admin', 'secret');
  assert.equal(res.status, 302);
  assert.equal(res.headers.location, '/?checked=1');
  assert.equal(called, true);
});