How to use the @loopback/service-proxy.ServiceMixin function in @loopback/service-proxy

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

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

  class AppWithRepo extends ServiceMixin(Application) {}

  let app: AppWithRepo;
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  let stub: sinon.SinonStub<[any?, ...any[]], void>;

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

  it('does not require service mixin', async () => {
    const normalApp = new Application();
    await sandbox.copyFile(
      resolve(__dirname, '../../fixtures/service-provider.artifact.js'),
    );

// Node module: @loopback/boot
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT

import {ApplicationConfig} from '@loopback/core';
import {RepositoryMixin} from '@loopback/repository';
import {RestApplication} from '@loopback/rest';
import {ServiceMixin} from '@loopback/service-proxy';
import {BootMixin} from '../..';

// Force package.json to be copied to `dist` by `tsc`
// eslint-disable-next-line @typescript-eslint/no-unused-vars
import * as pkg from './package.json';

export class BooterApp extends BootMixin(
  ServiceMixin(RepositoryMixin(RestApplication)),
) {
  constructor(options?: ApplicationConfig) {
    super(options);
    this.projectRoot = __dirname;
  }
}

import { BootMixin } from '@loopback/boot';
import { ApplicationConfig } from '@loopback/core';
import { RestExplorerBindings, RestExplorerComponent } from '@loopback/rest-explorer';
import { RepositoryMixin } from '@loopback/repository';
import { RestApplication } from '@loopback/rest';
import { ServiceMixin } from '@loopback/service-proxy';
import * as path from 'path';
import { MySequence } from './sequence';
import { AuthenticationBindings } from '@loopback/authentication';
import { MyAuthMetadataProvider, MyAuthAuthenticationStrategyProvider, MyAuthActionProvider, MyAuthBindings } from './auth';
import { UserRepository, RoleRepository, UserRoleRepository } from './repositories';

export class Lb4JwtRoleBasedAuthSampleApplication extends BootMixin(ServiceMixin(RepositoryMixin(RestApplication))) {
  constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    // Customize @loopback/rest-explorer configuration here
    this.bind(RestExplorerBindings.CONFIG).to({
      path: '/explorer',
    });
    this.component(RestExplorerComponent);

    // this.component(AuthenticationComponent);

// Copyright IBM Corp. 2018,2019. All Rights Reserved.
// Node module: @loopback/example-todo
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT

import {BootMixin} from '@loopback/boot';
import {ApplicationConfig} from '@loopback/core';
import {RepositoryMixin} from '@loopback/repository';
import {RestApplication} from '@loopback/rest';
import {RestExplorerComponent} from '@loopback/rest-explorer';
import {ServiceMixin} from '@loopback/service-proxy';
import path from 'path';
import {MySequence} from './sequence';

export class TodoListApplication extends BootMixin(
  ServiceMixin(RepositoryMixin(RestApplication)),
) {
  constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    this.component(RestExplorerComponent);

    this.projectRoot = __dirname;
    // Customize @loopback/boot Booter Conventions here
    this.bootOptions = {
      controllers: {

import {BootMixin} from '@loopback/boot';
import {ApplicationConfig} from '@loopback/core';
import {
  RestExplorerBindings,
  RestExplorerComponent,
} from '@loopback/rest-explorer';
import {RepositoryMixin} from '@loopback/repository';
import {RestApplication} from '@loopback/rest';
import {ServiceMixin} from '@loopback/service-proxy';
import path from 'path';
import {MySequence} from './sequence';
import {HealthComponent} from '@loopback/extension-health';

export class DiscoveryApplication extends BootMixin(
  ServiceMixin(RepositoryMixin(RestApplication)),
) {
  constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    // Customize @loopback/rest-explorer configuration here
    this.bind(RestExplorerBindings.CONFIG).to({
      path: '/explorer',
    });
    this.component(RestExplorerComponent);
    this.component(HealthComponent);

// Copyright IBM Corp. 2018,2019. All Rights Reserved.
// Node module: @loopback/example-soap-calculator
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT

import {BootMixin} from '@loopback/boot';
import {ApplicationConfig} from '@loopback/core';
import {RepositoryMixin} from '@loopback/repository';
import {RestApplication} from '@loopback/rest';
import {RestExplorerComponent} from '@loopback/rest-explorer';
import {ServiceMixin} from '@loopback/service-proxy';
import path from 'path';
import {MySequence} from './sequence';

export class SoapCalculatorApplication extends BootMixin(
  ServiceMixin(RepositoryMixin(RestApplication)),
) {
  constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    this.component(RestExplorerComponent);

    this.projectRoot = __dirname;
    // Customize @loopback/boot Booter Conventions here
    this.bootOptions = {
      controllers: {

import {RestApplication} from '@loopback/rest';
import {ServiceMixin} from '@loopback/service-proxy';
import * as path from 'path';
import {MySequence} from './sequence';
//add
import {MyAuthBindings,
        JWTService,
        JWTStrategy,
        UserPermissionsProvider,
} from './authorization';
import {AuthenticationComponent,
       registerAuthenticationStrategy,
} from '@loopback/authentication';

export class FirstgameApplication extends BootMixin(
  ServiceMixin(RepositoryMixin(RestApplication)),
) {
  constructor(options: ApplicationConfig = {}) {
    super(options);

    //add
    // Bind authentication component related elements
    this.component(AuthenticationComponent);
    // Bind JWT & permission authentication strategy related elements
    registerAuthenticationStrategy(this, JWTStrategy);
    this.bind(MyAuthBindings.TOKEN_SERVICE).toClass(JWTService);
    this.bind(MyAuthBindings.USER_PERMISSIONS).toProvider(UserPermissionsProvider);
    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

// Copyright IBM Corp. 2019. All Rights Reserved.
// Node module: @loopback/example-express-composition
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT

import {BootMixin} from '@loopback/boot';
import {ApplicationConfig} from '@loopback/core';
import {RepositoryMixin} from '@loopback/repository';
import {RestApplication} from '@loopback/rest';
import {RestExplorerComponent} from '@loopback/rest-explorer';
import {ServiceMixin} from '@loopback/service-proxy';
import path from 'path';
import {MySequence} from './sequence';

export class NoteApplication extends BootMixin(
  ServiceMixin(RepositoryMixin(RestApplication)),
) {
  constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    this.component(RestExplorerComponent);

    this.projectRoot = __dirname;
    // Customize @loopback/boot Booter Conventions here
    this.bootOptions = {
      controllers: {

AuthorizationBindings,
  AuthorizationComponent,
} from 'loopback4-authorization';
import * as path from 'path';

import {
  BearerTokenVerifyProvider,
  ClientPasswordVerifyProvider,
  GoogleOauth2VerifyProvider,
  LocalPasswordVerifyProvider,
  ResourceOwnerVerifyProvider,
} from './modules/auth';
import {MySequence} from './sequence';

export class Loopback4StarterApplication extends BootMixin(
  ServiceMixin(RepositoryMixin(RestApplication)),
) {
  constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    // // Customize @loopback/rest-explorer configuration here
    this.bind(RestExplorerBindings.CONFIG).to({
      path: '/explorer',
    });
    this.component(RestExplorerComponent);

import {CasbinAuthorizationProvider} from './services/authorizor';

/**
 * Information from package.json
 */
export interface PackageInfo {
  name: string;
  version: string;
  description: string;
}
export const PackageKey = BindingKey.create('application.package');

const pkg: PackageInfo = require('../package.json');

export class ShoppingApplication extends BootMixin(
  ServiceMixin(RepositoryMixin(RestApplication)),
) {
  constructor(options?: ApplicationConfig) {
    super(options);

    /*
       This is a workaround until an extension point is introduced
       allowing extensions to contribute to the OpenAPI specification
       dynamically.
    */
    this.api({
      openapi: '3.0.0',
      info: {title: pkg.name, version: pkg.version},
      paths: {},
      components: {securitySchemes: SECURITY_SCHEME_SPEC},
      servers: [{url: '/'}],
    });