1 files changed, 66 insertions, 1 deletions

diff --git a/spec/graphql/types/environment_type_spec.rb b/spec/graphql/types/environment_type_spec.rb
index f7522cb3e2c..abeeeba543f 100644
--- a/spec/graphql/types/environment_type_spec.rb
+++ b/spec/graphql/types/environment_type_spec.rb
@@ -7,11 +7,76 @@ RSpec.describe GitlabSchema.types['Environment'] do
 
   it 'has the expected fields' do
     expected_fields = %w[
-      name id state metrics_dashboard
+      name id state metrics_dashboard latest_opened_most_severe_alert
     ]
 
     expect(described_class).to have_graphql_fields(*expected_fields)
   end
 
   specify { expect(described_class).to require_graphql_authorizations(:read_environment) }
+
+  context 'when there is an environment' do
+    let_it_be(:project) { create(:project) }
+    let_it_be(:environment) { create(:environment, project: project) }
+    let_it_be(:user) { create(:user) }
+
+    subject { GitlabSchema.execute(query, context: { current_user: user }).as_json }
+
+    let(:query) do
+      %(
+        query {
+          project(fullPath: "#{project.full_path}") {
+            environment(name: "#{environment.name}") {
+              name
+              state
+            }
+          }
+        }
+      )
+    end
+
+    before do
+      project.add_developer(user)
+    end
+
+    it 'returns an environment' do
+      expect(subject['data']['project']['environment']['name']).to eq(environment.name)
+    end
+
+    context 'when query alert data for the environment' do
+      let_it_be(:query) do
+        %(
+          query {
+            project(fullPath: "#{project.full_path}") {
+              environment(name: "#{environment.name}") {
+                name
+                state
+                latestOpenedMostSevereAlert {
+                  severity
+                  title
+                  detailsUrl
+                  prometheusAlert {
+                    humanizedText
+                  }
+                }
+              }
+            }
+          }
+        )
+      end
+
+      it 'does not return alert information' do
+        expect(subject['data']['project']['environment']['latestOpenedMostSevereAlert']).to be_nil
+      end
+
+      context 'when alert is raised on the environment' do
+        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 'returns alert information' do
+          expect(subject['data']['project']['environment']['latestOpenedMostSevereAlert']['severity']).to eq(alert.severity.upcase)
+        end
+      end
+    end
+  end
 end