adds test to check whether or not an email is sent to label subscribers after...

adds test to check whether or not an email is sent to label subscribers after creating a new issue through the api

lib/api/issues.rb

@@ -154,35 +154,22 @@ module API
           render_api_error!({ labels: errors }, 400)
         end
 
+        # Find or create labels
         if params[:labels].present?
-          params[:labels] = params[:labels].split(",").each { |word| word.strip! }
-          attrs[:label_ids] = []
-
-          params[:labels].each do |label|
-            existing_label = user_project.labels.where(title: label).first
-
-            unless existing_label.nil?
-              attrs[:label_ids] << existing_label.id
-              params[:labels].delete(label)
+          attrs[:label_ids] = params[:labels].split(",").map do |label_name|
+            user_project.labels.create_with(color: Label::DEFAULT_COLOR)
+                               .find_or_create_by(title: label_name.strip)
+                               .id
           end
         end
-        end
-
-        project = user_project
 
-        issue = ::Issues::CreateService.new(project, current_user, attrs.merge(request: request, api: true)).execute
+        issue = ::Issues::CreateService.new(user_project, current_user, attrs.merge(request: request, api: true)).execute
 
         if issue.spam?
           render_api_error!({ error: 'Spam detected' }, 400)
         end
 
         if issue.valid?
-          # create new labels and attach to issue. Labels are valid because
-          # we already checked its name, so there can't be an error here
-          if params[:labels].present?
-            issue.add_labels_by_names(params[:labels])
-          end
-
           present issue, with: Entities::Issue, current_user: current_user
         else
           render_validation_error!(issue)

spec/requests/api/issues_spec.rb

@@ -2,6 +2,7 @@ require 'spec_helper'
 
 describe API::API, api: true  do
   include ApiHelpers
+
   let(:user)        { create(:user) }
   let(:user2)       { create(:user) }
   let(:non_member)  { create(:user) }
@@ -478,6 +479,18 @@ describe API::API, api: true  do
       expect(json_response['labels']).to eq(['label', 'label2'])
     end
 
+    it "emails label subscribers" do
+      clear_enqueued_jobs
+      label = project.labels.first
+      label.toggle_subscription(user2)
+
+      expect do
+        post api("/projects/#{project.id}/issues", user),
+          title: 'new issue', labels: label.title
+      end.to change{enqueued_jobs.size}.by(1)
+      expect(response.status).to eq(201)
+    end
+
     it "returns a 400 bad request if title not given" do
       post api("/projects/#{project.id}/issues", user), labels: 'label, label2'
       expect(response).to have_http_status(400)