Improve integration/feature specs for pipeline security page

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/controllers/projects/pipelines_controller.rb

@@ -3,7 +3,7 @@ class Projects::PipelinesController < Projects::ApplicationController
 
   before_action :whitelist_query_limiting, only: [:create, :retry]
   before_action :pipeline, except: [:index, :new, :create, :charts]
-  before_action :commit, only: [:show, :builds, :failures, :security]
+  before_action :commit, only: [:show, :builds, :failures]
   before_action :authorize_read_pipeline!
   before_action :authorize_create_pipeline!, only: [:new, :create]
   before_action :authorize_update_pipeline!, only: [:retry, :cancel]

ee/app/controllers/ee/projects/pipelines_controller.rb

@@ -4,6 +4,8 @@ module EE
       extend ActiveSupport::Concern
 
       def security
+        commit
+
         if @pipeline.sast_artifact
           render_show
         else

ee/spec/controllers/projects/pipelines_controller_spec.rb

@@ -13,7 +13,8 @@ describe Projects::PipelinesController do
   describe 'GET security' do
     let(:pipeline) { create(:ci_pipeline, project: project, ref: 'master', sha: project.commit.id) }
 
-    let(:build) do
+    context 'with a sast artifact' do
+      before do
         create(
           :ci_build,
           :artifacts,
@@ -25,10 +26,7 @@ describe Projects::PipelinesController do
             }
           }
         )
-    end
 
-    before do
-      build
         get :security, namespace_id: project.namespace, project_id: project, id: pipeline
       end
 
@@ -37,4 +35,16 @@ describe Projects::PipelinesController do
         expect(response).to render_template :show
       end
     end
+
+    context 'without sast artifact' do
+      before do
+        get :security, namespace_id: project.namespace, project_id: project, id: pipeline
+      end
+
+      it do
+        expect(response).to have_gitlab_http_status(:redirect)
+        expect(response).to redirect_to(pipeline_path(pipeline))
+      end
+    end
+  end
 end

ee/spec/features/projects/pipelines/pipeline_spec.rb

@@ -12,7 +12,8 @@ describe 'Pipeline', :js do
   describe 'GET /:project/pipelines/:id/security' do
     let(:pipeline) { create(:ci_pipeline, project: project, ref: 'master', sha: project.commit.id) }
 
-    let(:build) do
+    context 'with a sast artifact' do
+      before do
         create(
           :ci_build,
           :artifacts,
@@ -24,11 +25,6 @@ describe 'Pipeline', :js do
             }
           }
         )
-    end
-
-    context 'when there is a sast artifact' do
-      before do
-        build
 
         visit security_project_pipeline_path(project, pipeline)
       end
@@ -51,6 +47,7 @@ describe 'Pipeline', :js do
       it 'displays the pipeline graph' do
         expect(current_path).to eq(pipeline_path(pipeline))
         expect(page).not_to have_content('Security report')
+        expect(page).to have_selector('.pipeline-visualization')
       end
     end
   end