Sort labels alphabetically

Sorts labels alphabetically on issues (and merge requests) list.
Before it was order id desc.
Now it will be consistent with sidebar and labels page.

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

1 files changed, 13 insertions, 0 deletions

diff --git a/spec/helpers/labels_helper_spec.rb b/spec/helpers/labels_helper_spec.rb
index c04f679bcf0..012678db9c2 100644
--- a/spec/helpers/labels_helper_spec.rb
+++ b/spec/helpers/labels_helper_spec.rb
@@ -236,4 +236,17 @@ describe LabelsHelper do
       expect(labels_filter_path(format: :json)).to eq(dashboard_labels_path(format: :json))
     end
   end
+
+  describe 'labels_sorted_by_title' do
+    it 'sorts labels alphabetically' do
+      label1 = double(:label, title: 'a')
+      label2 = double(:label, title: 'B')
+      label3 = double(:label, title: 'c')
+      label4 = double(:label, title: 'D')
+      labels = [label1, label2, label3, label4]
+
+      expect(labels_sorted_by_title(labels))
+        .to match_array([label2, label4, label1, label3])
+    end
+  end
 end