Improve jira issues controller and specs

ee/app/controllers/projects/integrations/jira/issues_controller.rb

@@ -34,8 +34,11 @@ module Projects
         private
 
         def issues_json
-          jira_issues = finder.execute
-          jira_issues = Kaminari.paginate_array(jira_issues, limit: finder.per_page, total_count: finder.total_count)
+          jira_issues = Kaminari.paginate_array(
+            finder.execute,
+            limit: finder.per_page,
+            total_count: finder.total_count
+          )
 
           ::Integrations::Jira::IssueSerializer.new
             .with_pagination(request, response)
@@ -43,11 +46,7 @@ module Projects
         end
 
         def finder
-          @finder ||= finder_type.new(project, finder_options)
-        end
-
-        def finder_type
-          ::Projects::Integrations::Jira::IssuesFinder
+          @finder ||= ::Projects::Integrations::Jira::IssuesFinder.new(project, finder_options)
         end
 
         def finder_options
@@ -56,7 +55,7 @@ module Projects
           # Used by view to highlight active option
           @sort = options[:sort]
 
-          params.permit(finder_type.valid_params).merge(options)
+          params.permit(::Projects::Integrations::Jira::IssuesFinder.valid_params).merge(options)
         end
 
         def default_state
@@ -74,7 +73,7 @@ module Projects
         protected
 
         def check_feature_enabled!
-          return render_404 unless project.jira_issues_integration_available? && project.external_issue_tracker
+          return render_404 unless project.jira_issues_integration_available? && project.jira_service.issues_enabled
         end
 
         # Return the informational message to the user

ee/spec/controllers/projects/integrations/jira/issues_controller_spec.rb

@@ -5,30 +5,33 @@ require 'spec_helper'
 RSpec.describe Projects::Integrations::Jira::IssuesController do
   include ProjectForksHelper
 
-  let(:project) { create(:project) }
-  let(:user)    { create(:user) }
+  let_it_be(:project) { create(:project) }
+  let_it_be(:user) { create(:user) }
 
   before do
     stub_licensed_features(jira_issues_integration: true)
+    sign_in(user)
+    project.add_developer(user)
+    create(:jira_service, project: project, issues_enabled: true, project_key: 'TEST')
   end
 
   describe 'GET #index' do
-    before do
-      sign_in(user)
-      project.add_developer(user)
-      create(:jira_service, project: project)
-    end
-
     context 'when jira_issues_integration licensed feature is not available' do
-      it 'returns 404 status' do
+      before do
         stub_licensed_features(jira_issues_integration: false)
+      end
 
+      it 'returns 404 status' do
         get :index, params: { namespace_id: project.namespace, project_id: project }
 
         expect(response).to have_gitlab_http_status(:not_found)
       end
     end
 
+    it_behaves_like 'unauthorized when external service denies access' do
+      subject { get :index, params: { namespace_id: project.namespace, project_id: project } }
+    end
+
     it 'renders the "index" template' do
       get :index, params: { namespace_id: project.namespace, project_id: project }
 
@@ -170,16 +173,4 @@ RSpec.describe Projects::Integrations::Jira::IssuesController do
       end
     end
   end
-
-  context 'external authorization' do
-    before do
-      sign_in user
-      project.add_developer(user)
-      create(:jira_service, project: project)
-    end
-
-    it_behaves_like 'unauthorized when external service denies access' do
-      subject { get :index, params: { namespace_id: project.namespace, project_id: project } }
-    end
-  end
 end