Add welcome email when create organization. Add specs

app/controllers/admin/organizations_controller.rb

@@ -22,6 +22,7 @@ def create
       @organization = Organization.new(organization_params)
       @organization.entity_type = 'lobby'
       if @organization.save
+        UserMailer.welcome(@organization.user).deliver_now
         redirect_to admin_organizations_path, notice: t('backend.successfully_created_record')
       else
         flash[:alert] = t('backend.review_errors')

spec/features/admin/organizations_spec.rb

@@ -231,6 +231,7 @@
       end
 
       scenario 'Visit new admin organization page and create organization with the minimum permitted fields' do
+        ActionMailer::Base.deliveries = []
         category = create(:category)
         visit new_admin_organization_path
 
@@ -244,6 +245,7 @@
         click_button "Guardar"
 
         expect(page).to have_content "Registro creado correctamente"
+        expect(ActionMailer::Base.deliveries.count).to eq(1)
       end
 
       scenario 'Should create organization with data fields' do

spec/mailers/user_mailer_spec.rb

@@ -1,5 +1,35 @@
 require "rails_helper"
 
 RSpec.describe UserMailer, type: :mailer do
-  pending "add some examples to (or delete) #{__FILE__}"
+
+  describe "welcome" do
+
+    before do
+      @organization = create(:organization)
+    end
+
+    let!(:mail)      { UserMailer.welcome(@organization.user) }
+
+    it "should send from example" do
+      expect(mail.from).to eq([ "from@example.com"])
+    end
+
+    it "should send to new user" do
+      expect(mail.to).to eq([@organization.user.email])
+    end
+
+    it "should contain welcome subject" do
+      expect(mail.subject).to eq  I18n.t('mailers.welcome_organization.subject')
+    end
+
+    it "should contain welcome body" do
+      expect(mail.body).to have_content I18n.t('mailers.welcome_organization.welcome', name: @organization.user.name)
+      expect(mail.body).to have_content I18n.t('mailers.welcome_organization.text1')
+      expect(mail.body).to have_content I18n.t('mailers.welcome_organization.text2', email: @organization.user.email, password: @organization.user.password)
+      expect(mail.body).to have_content I18n.t('mailers.welcome_organization.thanks')
+
+    end
+
+  end
+
 end