Change tier to EEU for environment alerts

This commit fixes the tier for the feature environment
alerts.

app/serializers/environment_entity.rb

@@ -71,8 +71,6 @@ class EnvironmentEntity < Grape::Entity
     can?(current_user, :destroy_environment, environment)
   end
 
-  expose :has_opened_alert?, if: -> (*) { can_read_alert_management_alert? }, expose_nil: false, as: :has_opened_alert
-
   private
 
   alias_method :environment, :object
@@ -93,10 +91,6 @@ class EnvironmentEntity < Grape::Entity
     can?(current_user, :read_pod_logs, environment.project)
   end
 
-  def can_read_alert_management_alert?
-    can?(current_user, :read_alert_management_alert, environment.project)
-  end
-
   def cluster_platform_kubernetes?
     deployment_platform && deployment_platform.is_a?(Clusters::Platforms::Kubernetes)
   end

changelogs/unreleased/change-tier-eeu-environment-alerts.yml

+---
+title: Fix the tier of environment alerts feature
+merge_request: 41855
+author:
+type: fixed

ee/app/models/license.rb

@@ -132,6 +132,7 @@ class License < ApplicationRecord
     prometheus_alerts
     pseudonymizer
     release_evidence_test_artifacts
+    environment_alerts
     report_approver_rules
     requirements
     sast

ee/app/serializers/ee/environment_entity.rb

@@ -7,6 +7,7 @@ module EE
 
     prepended do
       expose :rollout_status, if: -> (*) { can_read_deploy_board? }, using: ::RolloutStatusEntity
+      expose :has_opened_alert?, if: -> (*) { can_read_alert_management_alert? }, expose_nil: false, as: :has_opened_alert
     end
 
     private
@@ -14,5 +15,10 @@ module EE
     def can_read_deploy_board?
       can?(current_user, :read_deploy_board, environment.project)
     end
+
+    def can_read_alert_management_alert?
+      can?(current_user, :read_alert_management_alert, environment.project) &&
+        environment.project.feature_available?(:environment_alerts)
+    end
   end
 end

ee/spec/features/projects/environments/environments_spec.rb

@@ -182,4 +182,53 @@ RSpec.describe 'Environments page', :js do
       end
     end
   end
+
+  context 'when environment has an open alert' do
+    let!(:alert) do
+      create(:alert_management_alert, :triggered, :prometheus,
+        title: 'HTTP Error Rate', project: project,
+        environment: environment, prometheus_alert: prometheus_alert)
+    end
+
+    let!(:prometheus_alert) do
+      create(:prometheus_alert, project: project, environment: environment,
+        prometheus_metric: prometheus_metric)
+    end
+
+    let!(:prometheus_metric) do
+      create(:prometheus_metric, project: project, unit: '%')
+    end
+
+    before do
+      stub_licensed_features(environment_alerts: true)
+    end
+
+    it 'shows the open alert for the environment row' do
+      visit project_environments_path(project)
+
+      within(find('div[data-testid="alert"]')) do
+        expect(page).to have_content('Critical')
+        expect(page).to have_content('HTTP Error Rate exceeded 1.0%')
+        expect(page).to have_link('View Details', href: alert.present.details_url)
+      end
+
+      # and it's not shown when the alert is resolved.
+      alert.resolve!
+      visit project_environments_path(project)
+
+      expect(page).not_to have_css('div[data-testid="alert"]')
+    end
+
+    context 'when user does not have a license for the feature' do
+      before do
+        stub_licensed_features(environment_alerts: false)
+      end
+
+      it 'does not show the open alert for the environment row' do
+        visit project_environments_path(project)
+
+        expect(page).not_to have_css('div[data-testid="alert"]')
+      end
+    end
+  end
 end

ee/spec/serializers/environment_entity_spec.rb

@@ -16,6 +16,42 @@ RSpec.describe EnvironmentEntity do
   describe '#as_json' do
     subject { entity.as_json }
 
+    context 'with alert' do
+      let!(:environment) { create(:environment, project: project) }
+      let!(:prometheus_alert) { create(:prometheus_alert, project: project, environment: environment) }
+      let!(:alert) { create(:alert_management_alert, :triggered, :prometheus, project: project, environment: environment, prometheus_alert: prometheus_alert) }
+
+      before do
+        stub_licensed_features(environment_alerts: true)
+      end
+
+      it 'exposes active alert flag' do
+        project.add_maintainer(user)
+
+        expect(subject[:has_opened_alert]).to eq(true)
+      end
+
+      context 'when user does not have permission to read alert' do
+        it 'does not expose active alert flag' do
+          project.add_reporter(user)
+
+          expect(subject[:has_opened_alert]).to be_nil
+        end
+      end
+
+      context 'when license is insufficient' do
+        before do
+          stub_licensed_features(environment_alerts: false)
+        end
+
+        it 'does not expose active alert flag' do
+          project.add_maintainer(user)
+
+          expect(subject[:has_opened_alert]).to be_nil
+        end
+      end
+    end
+
     context 'when deploy_boards are available' do
       before do
         stub_licensed_features(deploy_board: true)

spec/serializers/environment_entity_spec.rb

@@ -82,26 +82,6 @@ RSpec.describe EnvironmentEntity do
     end
   end
 
-  context 'with alert' do
-    let!(:environment) { create(:environment, project: project) }
-    let!(:prometheus_alert) { create(:prometheus_alert, project: project, environment: environment) }
-    let!(:alert) { create(:alert_management_alert, :triggered, :prometheus, project: project, environment: environment, prometheus_alert: prometheus_alert) }
-
-    it 'exposes active alert flag' do
-      project.add_maintainer(user)
-
-      expect(subject[:has_opened_alert]).to eq(true)
-    end
-
-    context 'when user does not have permission to read alert' do
-      it 'does not expose active alert flag' do
-        project.add_reporter(user)
-
-        expect(subject[:has_opened_alert]).to be_nil
-      end
-    end
-  end
-
   context 'pod_logs' do
     context 'with reporter access' do
       before do