2 files changed, 69 insertions, 5 deletions
diff --git a/app/controllers/projects/cycle_analytics/events_controller.rb b/app/controllers/projects/cycle_analytics/events_controller.rb
index 6314d9f2a9f..926592b9681 100644
--- a/app/controllers/projects/cycle_analytics/events_controller.rb
+++ b/app/controllers/projects/cycle_analytics/events_controller.rb
@@ -23,7 +23,7 @@ module Projects
       end
 
       def test
-        options(events_params)[:branch] = events_params[:branch_name]
+        options(cycle_analytics_params)[:branch] = cycle_analytics_params[:branch_name]
 
         render_events(cycle_analytics[:test].events)
       end
@@ -50,13 +50,13 @@ module Projects
       end
 
       def cycle_analytics
-        @cycle_analytics ||= ::CycleAnalytics::ProjectLevel.new(project, options: options(events_params))
+        @cycle_analytics ||= ::CycleAnalytics::ProjectLevel.new(project, options: options(cycle_analytics_params))
       end
 
-      def events_params
-        return {} unless params[:events].present?
+      def cycle_analytics_params
+        return {} unless params[:cycle_analytics].present?
 
-        params[:events].permit(:start_date, :branch_name)
+        params[:cycle_analytics].permit(:start_date, :branch_name)
       end
     end
   end
diff --git a/spec/controllers/projects/cycle_analytics/events_controller_spec.rb b/spec/controllers/projects/cycle_analytics/events_controller_spec.rb
new file mode 100644
index 00000000000..8fc3ae0aa32
--- /dev/null
+++ b/spec/controllers/projects/cycle_analytics/events_controller_spec.rb
@@ -0,0 +1,64 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Projects::CycleAnalytics::EventsController do
+  let(:project) { create(:project, :repository) }
+  let(:user) { create(:user) }
+
+  before do
+    sign_in(user)
+    project.add_maintainer(user)
+  end
+
+  describe 'cycle analytics not set up flag' do
+    context 'with no data' do
+      it 'is empty' do
+        get_issue
+
+        expect(response).to be_success
+        expect(JSON.parse(response.body)['events']).to be_empty
+      end
+    end
+
+    context 'with data' do
+      let(:milestone) { create(:milestone, project: project, created_at: 10.days.ago) }
+      let(:issue) { create(:issue, project: project, created_at: 9.days.ago) }
+
+      before do
+        issue.update(milestone: milestone)
+      end
+
+      it 'is not empty' do
+        get_issue
+
+        expect(response).to be_success
+      end
+
+      it 'contains event detais' do
+        get_issue
+
+        events = JSON.parse(response.body)['events']
+
+        expect(events).not_to be_empty
+        expect(events.first).to include('title', 'author', 'iid', 'total_time', 'created_at', 'url')
+        expect(events.first['title']).to eq(issue.title)
+      end
+
+      context 'with data older than start date' do
+        it 'is empty' do
+          get_issue(additional_params: { cycle_analytics: { start_date: 7 } })
+
+          expect(response).to be_success
+
+          expect(JSON.parse(response.body)['events']).to be_empty
+        end
+      end
+    end
+  end
+
+  def get_issue(additional_params: {})
+    params = additional_params.merge(namespace_id: project.namespace, project_id: project)
+    get(:issue, params: params, format: :json)
+  end
+end