nodemailer-mock-transport

Mock nodemailer-transport, for testing services that rely on nodemailer.

describe('mock-transport', function() {
  it('should store configuration options so that they can be asserted against', function() {
    var transport = mockTransport({
      foo: 'bar'
    });
    transport.options.foo.should.equal('bar');
  });

  it('should store emails sent with nodemailer, so that they can be asserted against', function (done) {
    var transport = mockTransport({
      foo: 'bar'
    })

    var transporter = nodemailer.createTransport(transport)

    transporter.sendMail({
      from: '[email protected]',
      to: '[email protected]',
      subject: 'hello',
      text: 'hello world!'
    }, function (err, info) {

    /* Note that the callback includes the standard nodemail envelope and messageId props: */

      if (err) throw err
      info.messageId.should.not.be.a('null')
      info.envelope.from.should.eql('[email protected]')
      done()
    })

    transport.sentMail.length.should.equal(1)
    transport.sentMail[0].data.to.should.equal('[email protected]')
    transport.sentMail[0].message.content.should.equal('hello world!')
  })

/* Here's how you can mock an arbritary failed send: */
  it('should return an error and not send an email if there is no `to` in the mail data object', function () {
    var transport = mockTransport({
      foo: 'bar'
    });

    var transporter = nodemailer.createTransport(transport);

    transporter.sendMail({
      from: 'sender@address',
      subject: 'hello',
      text: 'hello world!'
    });

    transport.sentMail.length.should.equal(0);
  });
});

  it('should not send mail and throw and error if asked to do so', function () {
    var transport = mockTransport({
      foo: 'bar',
      errorOnSend: { error: 'Failed to send for some reason!' }
    })
    var transporter = nodemailer.createTransport(transport)
    transporter.sendMail({
      from: '[email protected]',
      to: '[email protected]',
      subject: 'hello',
      text: 'hello world!'
    })
    transport.sentMail.length.should.equal(0)
  })
})