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• nestjs-rest-sample-master
  • .github
    • ISSUE_TEMPLATE
      • bug_report.md
    • dependabot.yml
    • workflows
      • greetings.yml
      • dependabot-automerge.yml
      • build.yml
      • e2e.yml
      • stale.yml
      • dockerize.yml
  • src
    • database
      • user.model.ts
      • database-connection.providers.spec.ts
      • post.model.ts
      • database.constants.ts
      • user.mdoel.spec.ts
      • comment.model.ts
      • database.module.ts
      • database-models.providers.spec.ts
      • database-models.providers.ts
      • database-connection.providers.ts
    • user
      • register.dto.spec.ts
      • user.controller.ts
      • user.dto.ts
      • register.dto.ts
      • user.controller.spec.ts
      • register.controller.ts
      • register.controller.spec.ts
      • profile.controller.ts
      • user-data-initializer.service.ts
      • user.service.ts
      • profile.controller.spec.ts
      • user.module.ts
      • user.service.spec.ts
    • post
      • create-comment.dto.ts
      • post.service.ts
      • create-post.dto.ts
      • update-post.dto.ts
      • post.service.stub.ts
      • post.service.spec.ts
      • post-data-initializer.service.ts
      • post.module.ts
      • post.controller.ts
      • post.controller.spec.ts
    • app.module.ts
    • app.service.ts
    • config
      • mongodb.config.spec.ts
      • mongodb.config.ts
      • jwt.config.spec.ts
      • sendgrid.config.ts
      • sendgrid.config.spec.ts
      • jwt.config.ts
    • app.controller.spec.ts
    • main.ts
    • app.controller.ts
    • auth
      • auth.controller.ts
      • auth.service.spec.ts
      • interface
        • jwt-payload.interface.ts
        • access-token.interface.ts
        • user-principal.interface.ts
        • authenticated-request.interface.ts
      • auth.service.ts
      • auth.constants.ts
      • auth.controller.spec.ts
      • guard
        • jwt-auth.guard.ts
        • jwt-auth.guard.spec.ts
        • local-auth.guard.spec.ts
        • roles.guard.spec.ts
        • local-auth.guard.ts
        • has-roles.decorator.ts
        • roles.guard.ts
      • strategy
        • local.strategy.spec.ts
        • local.strategy.ts
        • jwt.strategy.ts
        • jwt.strategy.spec.ts
      • auth.module.ts
    • logger
      • logger.decorator.ts
      • logger.providers.ts
      • logger.module.ts
      • logger.service.ts
      • logger.service.spec.ts
    • shared
      • enum
        • role-type.enum.ts
      • pipe
        • parse-object-id.pipe.ts
        • parse-object-id.pipe.spec.ts
    • app.service.spec.ts
    • sendgrid
      • sendgrid.service.ts
      • sendgrid.providers.spec.ts
      • sendgrid.service.spec.ts
      • sendgrid.providers.ts
      • sendgrid.constants.ts
      • sendgrid.module.ts
  • .husky
    • commit-msg
    • pre-commit
    • .gitignore
  • .prettierrc
  • codecov.yml
  • LICENSE
  • test
    • app.e2e-spec.ts
    • jest-e2e.json
  • commitlint.config.js
  • tsconfig.build.json
  • README.md
  • package.json
  • Dockerfile
  • .eslintrc.js
  • tsconfig.json
  • .mergify.yml
  • .gitignore
  • docs
    • config.md
    • model.md
    • _config.yml
    • auth.md
    • index.md
    • mongo.md
    • api.md
    • user.md
    • testing.md
    • guide.md
  • .vscode
    • launch.json
  • docker-compose.yml
  • nest-cli.json

import { Test, TestingModule } from '@nestjs/testing';
import { MailService } from '@sendgrid/mail';
import { lastValueFrom } from 'rxjs';
import { SENDGRID_MAIL } from './sendgrid.constants';
import { SendgridService } from './sendgrid.service';

describe('SendgridService', () => {
  let service: SendgridService;
  let mailService: MailService;

  beforeEach(async () => {
    const module: TestingModule = await Test.createTestingModule({
      providers: [
        SendgridService,
        {
          provide: SENDGRID_MAIL,
          useValue: {
            send: jest.fn(),
          },
        },
      ],
    }).compile();

    service = module.get<SendgridService>(SendgridService);
    mailService = module.get<MailService>(SENDGRID_MAIL);
  });

  it('should be defined', () => {
    expect(service).toBeDefined();
  });

  it('MailService should be defined', () => {
    expect(mailService).toBeDefined();
  });

  it('should call MailService.send', async () => {
    const msg = {
      to: '[email protected]',
      from: '[email protected]', // Use the email address or domain you verified above
      subject: 'Sending with Twilio SendGrid is Fun',
      text: 'and easy to do anywhere, even with Node.js',
      html: '<strong>and easy to do anywhere, even with Node.js</strong>',
    };

    const sendSpy = jest
      .spyOn(mailService, 'send')
      .mockResolvedValue({} as any);

    await lastValueFrom(service.send(msg));
    expect(sendSpy).toBeCalledTimes(1);
    expect(sendSpy).toBeCalledWith(msg, false);
  });
});