Files
povtornyy-ekzamen-2-sravnit…/tests/compare.test.js
T

71 lines
2.1 KiB
JavaScript

const nock = require('nock');
const { compareEntities } = require('../src/compare');
require('dotenv').config({ path: '.env.example' });
describe('compareEntities', () => {
const baseUrl = 'https://api.tavily.com';
const apiKey = 'test-key';
beforeAll(() => {
process.env.TAVILY_API_KEY = apiKey;
});
afterEach(() => {
nock.cleanAll();
});
test('returns ranked results based on number of results', async () => {
nock(baseUrl)
.post('/search', { query: 'entity1' })
.reply(200, { results: [{}, {}] }); // 2 results
nock(baseUrl)
.post('/search', { query: 'entity2' })
.reply(200, { results: [{}, {}, {}] }); // 3 results
nock(baseUrl)
.post('/search', { query: 'entity3' })
.reply(200, { results: [{}, {}] }); // 2 results
const result = await compareEntities('entity1', 'entity2', 'entity3');
expect(result.ranked[0].entity).toBe('entity2');
expect(result.ranked[1].entity).toBe('entity1');
expect(result.ranked[2].entity).toBe('entity3');
});
test('throws error on empty entity', async () => {
await expect(compareEntities('', 'b', 'c')).rejects.toThrow(
'All entities must be non-empty strings.'
);
});
test('handles API error', async () => {
nock(baseUrl)
.post('/search', { query: 'entity1' })
.reply(401, { error: 'Invalid API key' });
nock(baseUrl)
.post('/search', { query: 'entity2' })
.reply(200, { results: [] });
nock(baseUrl)
.post('/search', { query: 'entity3' })
.reply(200, { results: [] });
await expect(compareEntities('entity1', 'entity2', 'entity3')).rejects.toThrow(
'Tavily API error: 401 Invalid API key'
);
});
test('handles network failure', async () => {
nock(baseUrl)
.post('/search', { query: 'entity1' })
.replyWithError('Network down');
nock(baseUrl)
.post('/search', { query: 'entity2' })
.reply(200, { results: [] });
nock(baseUrl)
.post('/search', { query: 'entity3' })
.reply(200, { results: [] });
await expect(compareEntities('entity1', 'entity2', 'entity3')).rejects.toThrow(
'Network error: Network down'
);
});
});