Add social sign up options to trial registration page

Growth conversion experiment to test Google and Github Sign ons

app/helpers/auth_helper.rb

@@ -113,6 +113,10 @@ module AuthHelper
     end
   end
 
+  def experiment_enabled_button_based_providers
+    enabled_button_based_providers & %w(google_oauth2 github).freeze
+  end
+
   def button_based_providers_enabled?
     enabled_button_based_providers.any?
   end

app/views/devise/shared/_signup_box.html.haml

 - max_first_name_length = max_last_name_length = 127
 - max_username_length = 255
 - min_username_length = 2
+- omniauth_providers_placement ||= :bottom
+
 .gl-mb-3.gl-p-4.gl-border-gray-100.gl-border-1.gl-border-solid.gl-rounded-base
+  - if show_omniauth_providers && omniauth_providers_placement == :top
+    = render 'devise/shared/signup_omniauth_providers_top'
+
   = form_for(resource, as: "new_#{resource_name}", url: url, html: { class: 'new_user gl-show-field-errors', 'aria-live' => 'assertive' }) do |f|
     .devise-errors
       = render 'devise/shared/error_messages', resource: resource
@@ -33,5 +38,5 @@
     .submit-container
       = f.submit button_text, class: 'btn gl-button btn-success', data: { qa_selector: 'new_user_register_button' }
     = render 'devise/shared/terms_of_service_notice'
-    - if show_omniauth_providers
+    - if show_omniauth_providers && omniauth_providers_placement == :bottom
       = render 'devise/shared/signup_omniauth_providers'

app/views/devise/shared/_signup_omniauth_provider_list.haml

+%label.label-bold.d-block
+  = _("Create an account using:")
+.d-flex.justify-content-between.flex-wrap
+  - providers.each do |provider|
+    = link_to omniauth_authorize_path(:user, provider), method: :post, class: "btn gl-button gl-display-flex gl-align-items-center gl-text-left gl-mb-2 gl-p-2 omniauth-btn oauth-login #{qa_class_for_provider(provider)}", id: "oauth-login-#{provider}" do
+      - if provider_has_icon?(provider)
+        = provider_image_tag(provider)
+      %span.ml-2
+        = label_for_provider(provider)

app/views/devise/shared/_signup_omniauth_providers.haml

 .omniauth-divider.d-flex.align-items-center.text-center
   = _("or")
-%label.label-bold.d-block
-  = _("Create an account using:")
-- providers = enabled_button_based_providers
-.d-flex.justify-content-between.flex-wrap
-  - providers.each do |provider|
-    - has_icon = provider_has_icon?(provider)
-    = link_to omniauth_authorize_path(:user, provider), method: :post, class: "gl-button btn d-flex align-items-center omniauth-btn text-left oauth-login mb-2 p-2 #{qa_class_for_provider(provider)}", id: "oauth-login-#{provider}" do
-      - if has_icon
-        = provider_image_tag(provider)
-      %span.ml-2
-        = label_for_provider(provider)
+= render 'devise/shared/signup_omniauth_provider_list', providers: enabled_button_based_providers

app/views/devise/shared/_signup_omniauth_providers_top.haml

+= render 'devise/shared/signup_omniauth_provider_list', providers: experiment_enabled_button_based_providers
+.omniauth-divider.d-flex.align-items-center.text-center
+  = _("or")

ee/app/controllers/trials_controller.rb

@@ -15,6 +15,7 @@ class TrialsController < ApplicationController
   def new
     record_experiment_user(:remove_known_trial_form_fields, remove_known_trial_form_fields_context)
     record_experiment_user(:trimmed_skip_trial_copy)
+    record_experiment_user(:trial_registration_with_social_signin, trial_registration_with_social_signin_context)
   end
 
   def select
@@ -38,6 +39,8 @@ class TrialsController < ApplicationController
     if @result&.dig(:success)
       record_experiment_conversion_event(:remove_known_trial_form_fields)
       record_experiment_conversion_event(:trimmed_skip_trial_copy)
+      record_experiment_conversion_event(:trial_registration_with_social_signin)
+
       redirect_to group_url(@namespace, { trial: true })
     else
       render :select
@@ -123,4 +126,13 @@ class TrialsController < ApplicationController
       company_name_present: current_user.organization.present?
     }
   end
+
+  def trial_registration_with_social_signin_context
+    identities = current_user.identities.map(&:provider)
+
+    {
+      google_signon: identities.include?('google_oauth2'),
+      github_signon: identities.include?('github')
+    }
+  end
 end

ee/app/helpers/ee/trial_registration_helper.rb

+# frozen_string_literal: true
+
+module EE
+  module TrialRegistrationHelper
+    def social_signin_experiment_enabled?
+      ::Gitlab.com? &&
+        omniauth_enabled? &&
+        devise_mapping.omniauthable? &&
+        button_based_providers_enabled? &&
+        experiment_enabled?(:trial_registration_with_social_signin)
+    end
+  end
+end

ee/app/views/trial_registrations/new.html.haml

@@ -8,5 +8,10 @@
   = _('Start a Free Gold Trial')
 
 .signup-page
-  = render 'devise/shared/signup_box', url: trial_registrations_path, button_text: _('Continue'), show_omniauth_providers: false
+  = render 'devise/shared/signup_box',
+    url: trial_registrations_path,
+    button_text: _('Continue'),
+    show_omniauth_providers: social_signin_experiment_enabled?,
+    omniauth_providers_placement: :top
+
   = render 'devise/shared/sign_in_link'

ee/spec/controllers/trials_controller_spec.rb

@@ -12,6 +12,13 @@ RSpec.describe TrialsController do
     }
   end
 
+  let_it_be(:trial_registration_with_social_signin_context) do
+    {
+      google_signon: user.identities.select { |id| id.provider == 'google_auth2'}.present?,
+      github_signon: user.identities.select { |id| id.provider == 'github' }.present?
+    }
+  end
+
   let(:dev_env_or_com) { true }
   let(:logged_in) { true }
 
@@ -54,9 +61,10 @@ RSpec.describe TrialsController do
       response
     end
 
-    it 'calls record_experiment_user for the remove_known_trial_form_fields & trimmed_skip_trial_copy experiments' do
+    it 'calls record_experiment_user for the experiments' do
       expect(controller).to receive(:record_experiment_user).with(:remove_known_trial_form_fields, remove_known_trial_form_fields_context)
       expect(controller).to receive(:record_experiment_user).with(:trimmed_skip_trial_copy)
+      expect(controller).to receive(:record_experiment_user).with(:trial_registration_with_social_signin, trial_registration_with_social_signin_context)
 
       subject
     end
@@ -197,9 +205,10 @@ RSpec.describe TrialsController do
       let(:apply_trial_result) { true }
 
       it { is_expected.to redirect_to("/#{namespace.path}?trial=true") }
-      it 'calls the record conversion method for the remove_known_trial_form_fields & trimmed_skip_trial_copy experiments' do
+      it 'calls the record conversion method for the experiments' do
         expect(controller).to receive(:record_experiment_conversion_event).with(:remove_known_trial_form_fields)
         expect(controller).to receive(:record_experiment_conversion_event).with(:trimmed_skip_trial_copy)
+        expect(controller).to receive(:record_experiment_conversion_event).with(:trial_registration_with_social_signin)
 
         subject
       end
@@ -217,9 +226,10 @@ RSpec.describe TrialsController do
       let(:apply_trial_result) { false }
 
       it { is_expected.to render_template(:select) }
-      it 'does not call the record conversion method for the remove_known_trial_form_fields & trimmed_skip_trial_copy experiments' do
+      it 'does not call the record conversion method for the experiments' do
         expect(controller).not_to receive(:record_experiment_conversion_event).with(:remove_known_trial_form_fields)
         expect(controller).not_to receive(:record_experiment_conversion_event).with(:trimmed_skip_trial_copy)
+        expect(controller).not_to receive(:record_experiment_conversion_event).with(:trial_registration_with_social_signin)
 
         subject
       end

ee/spec/helpers/ee/trial_registration_helper_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe EE::TrialRegistrationHelper do
+  using RSpec::Parameterized::TableSyntax
+
+  describe '#social_signin_experiment_enabled?' do
+    before do
+      allow(::Gitlab).to receive(:com?).and_return(com)
+      allow(view).to receive(:omniauth_enabled?).and_return(omniauth_enabled)
+      allow(view).to receive(:button_based_providers_enabled?).and_return(button_based_providers_enabled)
+      allow(view).to receive(:experiment_enabled?).with(:trial_registration_with_social_signin).and_return(experiment_enabled)
+      allow(view).to receive(:devise_mapping).and_return(double(omniauthable?: omniauthable))
+    end
+
+    subject { helper.social_signin_experiment_enabled? }
+
+    where com: [true, false],
+          omniauth_enabled: [true, false],
+          omniauthable: [true, false],
+          button_based_providers_enabled: [true, false],
+          experiment_enabled: [true, false]
+
+    with_them do
+      let(:result) { com && omniauth_enabled && button_based_providers_enabled && experiment_enabled && omniauthable }
+
+      it { is_expected.to eq(result) }
+    end
+  end
+end

lib/gitlab/experimentation.rb

@@ -81,6 +81,9 @@ module Gitlab
       },
       trimmed_skip_trial_copy: {
         tracking_category: 'Growth::Conversion::Experiment::TrimmedSkipTrialCopy'
+      },
+      trial_registration_with_social_signin: {
+        tracking_category: 'Growth::Conversion::Experiment::TrialRegistrationWithSocialSigning'
       }
     }.freeze
 

spec/helpers/auth_helper_spec.rb

@@ -99,6 +99,22 @@ RSpec.describe AuthHelper do
     end
   end
 
+  describe 'experiment_enabled_button_based_providers' do
+    it 'returns the intersection set of github & google_oauth2 with enabled providers' do
+      allow(helper).to receive(:enabled_button_based_providers) { %w(twitter github google_oauth2) }
+
+      expect(helper.experiment_enabled_button_based_providers).to eq(%w(github google_oauth2))
+
+      allow(helper).to receive(:enabled_button_based_providers) { %w(google_oauth2 bitbucket) }
+
+      expect(helper.experiment_enabled_button_based_providers).to eq(%w(google_oauth2))
+
+      allow(helper).to receive(:enabled_button_based_providers) { %w(bitbucket) }
+
+      expect(helper.experiment_enabled_button_based_providers).to be_empty
+    end
+  end
+
   describe 'button_based_providers_enabled?' do
     before do
       allow(helper).to receive(:auth_providers) { [:twitter, :github] }