webrequest/test/test.ts

import { expect, tap } from '@git.zone/tstest/tapbundle';
import { webrequest } from '../ts/index.js';

// test dependencies
import * as typedserver from '@api.global/typedserver';

let testServer: typedserver.servertools.Server;

tap.test('setup test server', async () => {
  testServer = new typedserver.servertools.Server({
    cors: false,
    forceSsl: false,
    port: 2345,
  });

  testServer.addRoute(
    '/apiroute1',
    new typedserver.servertools.Handler('GET', (req, res) => {
      res.status(500);
      res.end();
    }),
  );

  testServer.addRoute(
    '/apiroute2',
    new typedserver.servertools.Handler('GET', (req, res) => {
      res.status(500);
      res.end();
    }),
  );

  testServer.addRoute(
    '/apiroute3',
    new typedserver.servertools.Handler('GET', (req, res) => {
      res.status(200);
      res.send({
        hithere: 'hi',
      });
    }),
  );

  await testServer.start();
});

tap.test('should handle fallback URLs', async () => {
  const response = await webrequest(
    'http://localhost:2345/apiroute1',
    {
      fallbackUrls: [
        'http://localhost:2345/apiroute2',
        'http://localhost:2345/apiroute3',
      ],
      retry: {
        maxAttempts: 3,
        backoff: 'constant',
        initialDelay: 100,
      },
    }
  );

  expect(response.ok).toEqual(true);
  expect(response.status).toEqual(200);
  const data = await response.json();
  console.log('response with fallbacks: ' + JSON.stringify(data));
  expect(data).toHaveProperty('hithere');
});

tap.test('should use getJson convenience method', async () => {
  const data = await webrequest.getJson('http://localhost:2345/apiroute3');
  console.log('getJson response: ' + JSON.stringify(data));
  expect(data).toHaveProperty('hithere');
});

tap.test('should cache response', async () => {
  // First request - goes to network
  const response1 = await webrequest.getJson(
    'http://localhost:2345/apiroute3',
    {
      cacheStrategy: 'cache-first',
    }
  );
  expect(response1).toHaveProperty('hithere');

  // Stop server
  await testServer.stop();

  // Second request - should use cache since server is down
  const response2 = await webrequest.getJson(
    'http://localhost:2345/apiroute3',
    {
      cacheStrategy: 'network-first', // Will fallback to cache on network error
    }
  );
  expect(response2).toHaveProperty('hithere');
  console.log('Cache fallback worked');
});

export default tap.start();