Testing email sending

import Mail from '@ioc:Adonis/Addons/Mail';
import {test} from '@japa/runner';
 
import {UserFactory} from '@/database/factories/UserFactory';
 
import {getPasswordResetService} from '../../services/passwordResetService';
import {requestPasswordReset} from './requestPasswordReset';
 
test.group('requestPasswordReset', () => {
  test('should send password reset email', async ({assert}) => {
    const user = await UserFactory.create();
    const mailer = Mail.fake();
 
    // 1. No token exists
    let token = await user.related('passwordResetToken').query().first();
    assert.isNull(token);
 
    // 2. User requests password reset
    await requestPasswordReset({
      passwordResetService: getPasswordResetService(),
    }).execute({
      email: user.email,
    });
 
    // 3. Token exists
    token = await user.related('passwordResetToken').query().first();
    assert.isNotNull(token);
 
    // 4. Email was sent
    assert.isTrue(
      mailer.exists((mail) => {
        if (!mail.to) {
          return false;
        }
        return mail.to[0].address === user.email;
      })
    );
 
    Mail.restore();
  });
});