service.booter.integration.ts

// Copyright IBM Corp. 2018. All Rights Reserved.
// Node module: @loopback/boot
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT

import {expect, TestSandbox} from '@loopback/testlab';
import {resolve} from 'path';
import {BooterApp} from '../fixtures/application';

describe('service booter integration tests', () => {
  const SANDBOX_PATH = resolve(__dirname, '../../.sandbox');
  const sandbox = new TestSandbox(SANDBOX_PATH);

  const SERVICES_PREFIX = 'services';
  const SERVICES_TAG = 'service';

  let app: BooterApp;

  beforeEach('reset sandbox', () => sandbox.reset());
  beforeEach(getApp);

  it('boots services when app.boot() is called', async () => {
    const expectedBindings = [
      `${SERVICES_PREFIX}.GeocoderService`,
      // greeting service is skipped - service classes are not supported (yet)
    ];

    await app.boot();

    const bindings = app.findByTag(SERVICES_TAG).map(b => b.key);
    expect(bindings.sort()).to.eql(expectedBindings.sort());
  });

  async function getApp() {
    await sandbox.copyFile(resolve(__dirname, '../fixtures/application.js'));
    await sandbox.copyFile(
      resolve(__dirname, '../fixtures/service-provider.artifact.js'),
      'services/geocoder.service.js',
    );

    await sandbox.copyFile(
      resolve(__dirname, '../fixtures/service-class.artifact.js'),
      'services/greeting.service.js',
    );

    const MyApp = require(resolve(SANDBOX_PATH, 'application.js')).BooterApp;
    app = new MyApp();
  }
});