demarches-normaliennes/spec/controllers/users/registrations_controller_spec.rb

require 'spec_helper'

describe Users::RegistrationsController, type: :controller do
  let(:email) { 'test@octo.com' }
  let(:password) { 'password' }

  let(:user) { { email: email, password: password } }

  before do
    @request.env["devise.mapping"] = Devise.mappings[:user]
  end

  describe '#create' do
    subject { post :create, params: { user: user } }

    context 'when user is correct' do
      it 'sends welcome email' do
        expect(WelcomeMailer).to receive(:welcome_email).and_return(WelcomeMailer)
        expect(WelcomeMailer).to receive(:deliver_now!)

        subject
      end

      describe '#check_invite!' do
        let!(:invite) { create :invite, email: email }
        let!(:invite2) { create :invite, email: email }

        before do
          subject
        end

        it 'the new user is connect at his two invite' do
          expect(User.last.invites.size).to eq 2
        end
      end
    end

    context 'when user is not correct' do
      let(:user) { { email: '', password: password } }

      it 'not sends welcome email' do
        expect(WelcomeMailer).not_to receive(:welcome_email)

        subject
      end
    end
  end
end