fix labels API adding missing parameter (current_user)

lib/api/entities.rb

@@ -437,7 +437,18 @@ module API
     end
 
     class Label < LabelBasic
-      expose :open_issues_count, :closed_issues_count, :open_merge_requests_count
+      expose :open_issues_count do |label, options|
+         label.open_issues_count(options[:current_user])
+       end
+
+       expose :closed_issues_count do |label, options|
+         label.closed_issues_count(options[:current_user])
+       end
+
+       expose :open_merge_requests_count do |label, options|
+         label.open_merge_requests_count(options[:current_user])
+      end
+
       expose :priority do |label, options|
         label.priority(options[:project])
       end

spec/requests/api/labels_spec.rb

@@ -17,6 +17,8 @@ describe API::API, api: true  do
       group = create(:group)
       group_label = create(:group_label, title: 'feature', group: group)
       project.update(group: group)
+      create(:labeled_issue, project: project, labels: [group_label], author: user)
+      create(:labeled_issue, project: project, labels: [label1], author: user, state: :closed)
       expected_keys = [
         'id', 'name', 'color', 'description',
         'open_issues_count', 'closed_issues_count', 'open_merge_requests_count',
@@ -30,14 +32,24 @@ describe API::API, api: true  do
       expect(json_response.size).to eq(3)
       expect(json_response.first.keys).to match_array expected_keys
       expect(json_response.map { |l| l['name'] }).to match_array([group_label.name, priority_label.name, label1.name])
-      expect(json_response.last['name']).to eq(label1.name)
-      expect(json_response.last['color']).to be_present
-      expect(json_response.last['description']).to be_nil
-      expect(json_response.last['open_issues_count']).to eq(0)
-      expect(json_response.last['closed_issues_count']).to eq(0)
-      expect(json_response.last['open_merge_requests_count']).to eq(0)
-      expect(json_response.last['priority']).to be_nil
-      expect(json_response.last['subscribed']).to be_falsey
+
+      label1_response = json_response.select{|l| l['name'] == label1.title}.first
+      group_label_response = json_response.select{|l| l['name'] == group_label.title}.first
+      priority_label_response = json_response.select{|l| l['name'] == priority_label.title}.first
+
+      expect(label1_response['open_issues_count']).to eq(0)
+      expect(label1_response['closed_issues_count']).to eq(1)
+      expect(group_label_response['open_issues_count']).to eq(1)
+      expect(group_label_response['closed_issues_count']).to eq(0)
+      expect(priority_label_response['open_issues_count']).to eq(0)
+      expect(priority_label_response['closed_issues_count']).to eq(0)
+
+      expect(label1_response['name']).to eq(label1.name)
+      expect(label1_response['color']).to be_present
+      expect(label1_response['description']).to be_nil
+      expect(label1_response['open_merge_requests_count']).to eq(0)
+      expect(label1_response['priority']).to be_nil
+      expect(label1_response['subscribed']).to be_falsey
     end
   end