Improved code styling on the variables_controller_spec

Also updated the #update action inside the variables controller as
to render the show and not redirect back to the settings route

app/controllers/projects/triggers_controller.rb

@@ -12,11 +12,11 @@ class Projects::TriggersController < Projects::ApplicationController
     @trigger.save
 
     if @trigger.valid?
-      flash[:notice] = "Trigger has been created successfully"
+      redirect_to namespace_project_variables_path(project.namespace, project), notice: 'Trigger was created successfully.'
     else
       @triggers = project.triggers.select(&:persisted?)
+      render action: "show"
     end
-    redirect_to namespace_project_settings_ci_cd_path(@project.namespace, @project)
   end
 
   def destroy

app/controllers/projects/variables_controller.rb

@@ -15,11 +15,10 @@ class Projects::VariablesController < Projects::ApplicationController
     @variable = @project.variables.find(params[:id])
 
     if @variable.update_attributes(project_params)
-      flash[:notice] = 'Variables were successfully updated.'
+      redirect_to namespace_project_variables_path(project.namespace, project), notice: 'Variable was successfully updated.'
     else
-      flash[:alert] = @variable.errors.full_messages.join(',').html_safe
+      render action: "show"
     end
-    redirect_to namespace_project_settings_ci_cd_path(project.namespace, project)
   end
 
   def create

spec/controllers/projects/variables_controller_spec.rb

@@ -14,6 +14,7 @@ describe Projects::VariablesController do
       it 'shows a success flash message' do
         post :create, namespace_id: project.namespace.to_param, project_id: project.to_param,
                       variable: { key: "one", value: "two" }
+
         expect(flash[:notice]).to include 'Variables were successfully updated.'
         expect(response).to redirect_to(namespace_project_settings_ci_cd_path(project.namespace, project))
       end
@@ -23,6 +24,7 @@ describe Projects::VariablesController do
       it 'shows an alert flash message' do
         post :create, namespace_id: project.namespace.to_param, project_id: project.to_param,
                       variable: { key: "..one", value: "two" }
+
         expect(flash[:alert]).to include 'Key can contain only letters, digits and \'_\'.'
         expect(response).to redirect_to(namespace_project_settings_ci_cd_path(project.namespace, project))
       end
@@ -41,15 +43,17 @@ describe Projects::VariablesController do
       it 'shows a success flash message' do
         post :update, namespace_id: project.namespace.to_param, project_id: project.to_param,
                       id: variable.id, variable: { key: variable.key, value: 'two' }
-        expect(flash[:notice]).to include 'Variables were successfully updated.'
-        expect(response).to redirect_to(namespace_project_settings_ci_cd_path(project.namespace, project))
+
+        expect(flash[:notice]).to include 'Variable was successfully updated.'
+        expect(response).to redirect_to(namespace_project_variables_path(project.namespace, project))
       end
 
-      it 'shows an alert flash message' do
+      it 'renders the action #show if the variable key is invalid' do
         post :update, namespace_id: project.namespace.to_param, project_id: project.to_param,
                       id: variable.id, variable: { key: '?', value: variable.value }
-        expect(flash[:alert]).to include 'Key can contain only letters, digits and \'_\'.'
-        expect(response).to redirect_to(namespace_project_settings_ci_cd_path(project.namespace, project))
+
+        expect(response).to have_http_status(200)
+        expect(response).to render_template :show
       end
     end
   end