Ghost/test/api-acceptance/admin/mail_spec.js

const should = require('should');
const supertest = require('supertest');
const sinon = require('sinon');
const testUtils = require('../../utils');
const config = require('../../../core/shared/config');
const mailService = require('../../../core/server/services/mail');
const localUtils = require('./utils');

describe('Mail API', function () {
    let request;

    before(async function () {
        await testUtils.startGhost();
        request = supertest.agent(config.get('url'));
        await localUtils.doAuth(request, 'invites');
    });

    beforeEach(function () {
        sinon.stub(mailService.GhostMailer.prototype, 'send').resolves({message: 'sent'});
    });

    afterEach(function () {
        sinon.restore();
    });

    it('Can send mail', async function () {
        const res = await request
            .post(localUtils.API.getApiQuery('mail/'))
            .set('Origin', config.get('url'))
            .send({
                mail: [{
                    message: {
                        to: 'joe@example.com',
                        subject: 'testemail',
                        html: '<p>This</p>'
                    }
                }]
            })
            .expect('Content-Type', /json/)
            .expect('Cache-Control', testUtils.cacheRules.private)
            .expect(200);

        should.not.exist(res.headers['x-cache-invalidate']);
        const jsonResponse = res.body;

        should.exist(jsonResponse);
        should.exist(jsonResponse.mail);
        should.exist(jsonResponse.mail[0].message);
        should.exist(jsonResponse.mail[0].status);

        jsonResponse.mail[0].status.should.eql({message: 'sent'});
        jsonResponse.mail[0].message.subject.should.eql('testemail');
        mailService.GhostMailer.prototype.send.called.should.be.true();
    });
});