Sort group/project members alphabetically by default

app/controllers/groups/group_members_controller.rb

 class Groups::GroupMembersController < Groups::ApplicationController
   include MembershipActions
+  include SortingHelper
   # Authorize
   before_action :authorize_admin_group_member!, except: [:index, :leave, :request_access]
   def index
+    @sort = params[:sort].presence || sort_value_name
     @project = @group.projects.find(params[:project_id]) if params[:project_id]
     @members = @group.group_members
     @members = @members.non_invite unless can?(current_user, :admin_group, @group)
     @members = @members.search(params[:search]) if params[:search].present?
-    @members = @members.sort(@sort = params[:sort]) if params[:sort].present?
+    @members = @members.sort(@sort)
     @members = @members.page(params[:page]).per(50)
     @requesters = AccessRequestsFinder.new(@group).execute(current_user)

app/views/shared/members/_sort_dropdown.html.haml

-- @sort ||= sort_value_last_joined
-
 .dropdown.inline
   = dropdown_toggle(member_sort_options_hash[@sort], { toggle: 'dropdown' }, { id: 'sort-members-dropdown' })
   %ul.dropdown-menu.dropdown-menu-align-right.dropdown-menu-selectable

spec/features/groups/members/sorting_spec.rb

@@ -12,6 +12,13 @@ feature 'Groups > Members > Sorting', feature: true do
     login_as(owner)
   end
+  scenario 'sorts alphabetically by default' do
+    visit_members_list(sort: nil)
+
+    expect(first_member).to include(owner.name)
+    expect(second_member).to include(developer.name)
+  end
+
   scenario 'sorts by access level ascending' do
     visit_members_list(sort: :access_level_asc)

spec/features/projects/members/sorting_spec.rb

@@ -12,6 +12,13 @@ feature 'Projects > Members > Sorting', feature: true do
     login_as(master)
   end
+  scenario 'sorts alphabetically by default' do
+    visit_members_list(sort: nil)
+
+    expect(first_member).to include(master.name)
+    expect(second_member).to include(developer.name)
+  end
+
   scenario 'sorts by access level ascending' do
     visit_members_list(sort: :access_level_asc)