Registration features info for ip restriction

Changelog: added
MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/74022
EE: true

app/views/groups/settings/_ip_restriction_registration_features_cta.html.haml

+- return unless registration_features_can_be_prompted?
+
+.form-group
+  = f.label :disabled_ip_restriction_ranges, class: 'label-bold' do
+    = _('Allow access to the following IP addresses')
+  = f.text_field :disabled_ip_restriction_ranges, value: '', class: 'form-control', disabled: true
+  %span.form-text.text-muted
+    = render 'shared/registration_features_discovery_message'

app/views/groups/settings/_permissions.html.haml

@@ -31,6 +31,7 @@
 
     = render 'groups/settings/project_access_token_creation', f: f, group: @group
     = render_if_exists 'groups/settings/delayed_project_removal', f: f, group: @group
+    = render 'groups/settings/ip_restriction_registration_features_cta', f: f
     = render_if_exists 'groups/settings/ip_restriction', f: f, group: @group
     = render_if_exists 'groups/settings/allowed_email_domain', f: f, group: @group
     = render 'groups/settings/lfs', f: f

ee/spec/support/shared_examples/views/registration_features_prompt_shared_examples.rb

+# frozen_string_literal: true
+
+RSpec.shared_examples 'renders registration features prompt' do |disabled_field, feature_title|
+  it 'renders a placeholder input with registration features message' do
+    render
+
+    if disabled_field
+      expect(rendered).to have_field(disabled_field, disabled: true)
+    end
+
+    expect(rendered).to have_content(s_("RegistrationFeatures|Want to %{feature_title} for free?") % { feature_title: feature_title || s_('RegistrationFeatures|use this feature') })
+    expect(rendered).to have_link(s_('RegistrationFeatures|Enable Service Ping and register for this feature.'))
+    expect(rendered).to have_link(s_('RegistrationFeatures|Registration Features Program'))
+  end
+end
+
+RSpec.shared_examples 'does not render registration features prompt' do |disabled_field, feature_title|
+  it 'does not render a placeholder input with registration features message' do
+    render
+
+    if disabled_field
+      expect(rendered).not_to have_field(disabled_field, disabled: true)
+    end
+
+    expect(rendered).not_to have_content(s_("RegistrationFeatures|Want to %{feature_title} for free?") % { feature_title: feature_title || s_('RegistrationFeatures|use this feature') })
+    expect(rendered).not_to have_link(s_('RegistrationFeatures|Enable Service Ping and register for this feature.'))
+    expect(rendered).not_to have_link(s_('RegistrationFeatures|Registration Features Program'))
+  end
+end

ee/spec/views/groups/edit.html.haml_spec.rb

@@ -52,12 +52,14 @@ RSpec.describe 'groups/edit.html.haml' do
           let(:ranges) { ['192.168.0.0/24'] }
 
           it_behaves_like 'renders ip_restriction setting'
+          it_behaves_like 'does not render registration features prompt'
         end
 
         context 'with multiple subnets' do
           let(:ranges) { ['192.168.0.0/24', '192.168.1.0/8'] }
 
           it_behaves_like 'renders ip_restriction setting'
+          it_behaves_like 'does not render registration features prompt'
         end
       end
     end
@@ -75,6 +77,39 @@ RSpec.describe 'groups/edit.html.haml' do
 
       it_behaves_like 'does not render ip_restriction setting'
     end
+
+    context 'prompt user about registration features' do
+      context 'with service ping disabled' do
+        before do
+          stub_application_setting(usage_ping_enabled: false)
+        end
+
+        context 'with no license' do
+          before do
+            allow(License).to receive(:current).and_return(nil)
+          end
+
+          it_behaves_like 'renders registration features prompt', :group_disabled_ip_restriction_ranges
+        end
+
+        context 'with a valid license' do
+          before do
+            license = build(:license)
+            allow(License).to receive(:current).and_return(license)
+          end
+
+          it_behaves_like 'does not render registration features prompt', :group_disabled_ip_restriction_ranges
+        end
+      end
+
+      context 'with service ping enabled' do
+        before do
+          stub_application_setting(usage_ping_enabled: true)
+        end
+
+        it_behaves_like 'does not render registration features prompt', :group_disabled_ip_restriction_ranges
+      end
+    end
   end
 
   context 'allowed_email_domain' do

spec/support/shared_examples/views/registration_features_prompt_shared_examples.rb

+# frozen_string_literal: true
+
+RSpec.shared_examples 'renders registration features prompt' do |disabled_field, feature_title|
+  it 'renders a placeholder input with registration features message' do
+    render
+
+    if disabled_field
+      expect(rendered).to have_field(disabled_field, disabled: true)
+    end
+
+    expect(rendered).to have_content(s_("RegistrationFeatures|Want to %{feature_title} for free?") % { feature_title: feature_title || s_('RegistrationFeatures|use this feature') })
+    expect(rendered).to have_link(s_('RegistrationFeatures|Registration Features Program'))
+  end
+end
+
+RSpec.shared_examples 'does not render registration features prompt' do |disabled_field, feature_title|
+  it 'does not render a placeholder input with registration features message' do
+    render
+
+    if disabled_field
+      expect(rendered).not_to have_field(disabled_field, disabled: true)
+    end
+
+    expect(rendered).not_to have_content(s_("RegistrationFeatures|Want to %{feature_title} for free?") % { feature_title: feature_title || s_('RegistrationFeatures|use this feature') })
+    expect(rendered).not_to have_link(s_('RegistrationFeatures|Registration Features Program'))
+  end
+end

spec/views/groups/edit.html.haml_spec.rb

@@ -115,4 +115,40 @@ RSpec.describe 'groups/edit.html.haml' do
       end
     end
   end
+
+  context 'ip_restriction' do
+    let(:group) { create(:group) }
+    let(:user) { create(:user) }
+
+    before do
+      group.add_owner(user)
+
+      assign(:group, group)
+      allow(view).to receive(:current_user) { user }
+    end
+
+    context 'prompt user about registration features' do
+      before do
+        if Gitlab.ee?
+          allow(License).to receive(:current).and_return(nil)
+        end
+      end
+
+      context 'with service ping disabled' do
+        before do
+          stub_application_setting(usage_ping_enabled: false)
+        end
+
+        it_behaves_like 'renders registration features prompt', :group_disabled_ip_restriction_ranges
+      end
+
+      context 'with service ping enabled' do
+        before do
+          stub_application_setting(usage_ping_enabled: true)
+        end
+
+        it_behaves_like 'does not render registration features prompt', :group_disabled_ip_restriction_ranges
+      end
+    end
+  end
 end