CE-specific changes gitlab-org/gitlab-ee#1137

- Extract all common {push,merge} access level model code into the
  `ProtectedBranchAccess` module

- Use the HTTP verb to define controller specs

app/models/concerns/protected_branch_access.rb

@@ -2,6 +2,9 @@ module ProtectedBranchAccess
   extend ActiveSupport::Concern
   included do
+    belongs_to :protected_branch
+    delegate :project, to: :protected_branch
+
     scope :master, -> { where(access_level: Gitlab::Access::MASTER) }
     scope :developer, -> { where(access_level: Gitlab::Access::DEVELOPER) }
   end
@@ -9,4 +12,10 @@ module ProtectedBranchAccess
   def humanize
     self.class.human_access_levels[self.access_level]
   end
+
+  def check_access(user)
+    return true if user.is_admin?
+
+    project.team.max_member_access(user.id) >= access_level
+  end
 end

app/models/protected_branch/merge_access_level.rb

 class ProtectedBranch::MergeAccessLevel < ActiveRecord::Base
   include ProtectedBranchAccess
-  belongs_to :protected_branch
-  delegate :project, to: :protected_branch
-
   validates :access_level, presence: true, inclusion: { in: [Gitlab::Access::MASTER,
                                                              Gitlab::Access::DEVELOPER] }
@@ -13,10 +10,4 @@ class ProtectedBranch::MergeAccessLevel < ActiveRecord::Base
       Gitlab::Access::DEVELOPER => "Developers + Masters"
     }.with_indifferent_access
   end
-
-  def check_access(user)
-    return true if user.is_admin?
-
-    project.team.max_member_access(user.id) >= access_level
-  end
 end

app/models/protected_branch/push_access_level.rb

 class ProtectedBranch::PushAccessLevel < ActiveRecord::Base
   include ProtectedBranchAccess
-  belongs_to :protected_branch
-  delegate :project, to: :protected_branch
-
   validates :access_level, presence: true, inclusion: { in: [Gitlab::Access::MASTER,
                                                              Gitlab::Access::DEVELOPER,
                                                              Gitlab::Access::NO_ACCESS] }
@@ -18,8 +15,7 @@ class ProtectedBranch::PushAccessLevel < ActiveRecord::Base
   def check_access(user)
     return false if access_level == Gitlab::Access::NO_ACCESS
-    return true if user.is_admin?
-    project.team.max_member_access(user.id) >= access_level
+    super
   end
 end

spec/controllers/autocomplete_controller_spec.rb

@@ -4,7 +4,7 @@ describe AutocompleteController do
   let!(:project) { create(:project) }
   let!(:user) { create(:user) }
-  context 'users and members' do
+  context 'GET users' do
     let!(:user2) { create(:user) }
     let!(:non_member) { create(:user) }
@@ -180,7 +180,7 @@ describe AutocompleteController do
     end
   end
-  context 'projects' do
+  context 'GET projects' do
     let(:authorized_project) { create(:project) }
     let(:authorized_search_project) { create(:project, name: 'rugged') }