Use described_class when possible

Signed-off-by: Rémy Coutable <remy@rymai.me>

37 files changed, 172 insertions, 172 deletions

diff --git a/spec/models/ability_spec.rb b/spec/models/ability_spec.rb
index cb57626b597..aa019288700 100644
--- a/spec/models/ability_spec.rb
+++ b/spec/models/ability_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Ability do
   context 'using a nil subject' do
     it 'has no permissions' do
-      expect(Ability.policy_for(nil, nil)).to be_banned
+      expect(described_class.policy_for(nil, nil)).to be_banned
     end
   end
 
diff --git a/spec/models/application_setting_spec.rb b/spec/models/application_setting_spec.rb
index 41129b945b6..359753b600e 100644
--- a/spec/models/application_setting_spec.rb
+++ b/spec/models/application_setting_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe ApplicationSetting do
-  let(:setting) { ApplicationSetting.create_from_defaults }
+  let(:setting) { described_class.create_from_defaults }
 
   it { expect(setting).to be_valid }
   it { expect(setting.uuid).to be_present }
@@ -159,10 +159,10 @@ describe ApplicationSetting do
     context 'redis unavailable' do
       it 'returns an ApplicationSetting' do
         allow(Rails.cache).to receive(:fetch).and_call_original
-        allow(ApplicationSetting).to receive(:last).and_return(:last)
+        allow(described_class).to receive(:last).and_return(:last)
         expect(Rails.cache).to receive(:fetch).with(ApplicationSetting::CACHE_KEY).and_raise(ArgumentError)
 
-        expect(ApplicationSetting.current).to eq(:last)
+        expect(described_class.current).to eq(:last)
       end
     end
   end
diff --git a/spec/models/broadcast_message_spec.rb b/spec/models/broadcast_message_spec.rb
index 75e7c7d42bd..a8ca1d110e4 100644
--- a/spec/models/broadcast_message_spec.rb
+++ b/spec/models/broadcast_message_spec.rb
@@ -24,26 +24,26 @@ describe BroadcastMessage do
     it 'returns message if time match' do
       message = create(:broadcast_message)
 
-      expect(BroadcastMessage.current).to include(message)
+      expect(described_class.current).to include(message)
     end
 
     it 'returns multiple messages if time match' do
       message1 = create(:broadcast_message)
       message2 = create(:broadcast_message)
 
-      expect(BroadcastMessage.current).to contain_exactly(message1, message2)
+      expect(described_class.current).to contain_exactly(message1, message2)
     end
 
     it 'returns empty list if time not come' do
       create(:broadcast_message, :future)
 
-      expect(BroadcastMessage.current).to be_empty
+      expect(described_class.current).to be_empty
     end
 
     it 'returns empty list if time has passed' do
       create(:broadcast_message, :expired)
 
-      expect(BroadcastMessage.current).to be_empty
+      expect(described_class.current).to be_empty
     end
   end
 
diff --git a/spec/models/ci/pipeline_schedule_spec.rb b/spec/models/ci/pipeline_schedule_spec.rb
index 3ae86ab2b4b..9a278212efc 100644
--- a/spec/models/ci/pipeline_schedule_spec.rb
+++ b/spec/models/ci/pipeline_schedule_spec.rb
@@ -46,7 +46,7 @@ describe Ci::PipelineSchedule do
       end
 
       it 'updates next_run_at automatically' do
-        expect(Ci::PipelineSchedule.last.next_run_at).to eq(expected_next_run_at)
+        expect(described_class.last.next_run_at).to eq(expected_next_run_at)
       end
     end
 
@@ -61,7 +61,7 @@ describe Ci::PipelineSchedule do
       it 'updates next_run_at automatically' do
         pipeline_schedule.update!(cron: new_cron)
 
-        expect(Ci::PipelineSchedule.last.next_run_at).to eq(expected_next_run_at)
+        expect(described_class.last.next_run_at).to eq(expected_next_run_at)
       end
     end
   end
diff --git a/spec/models/ci/runner_spec.rb b/spec/models/ci/runner_spec.rb
index 9a4ed86990a..8d12a9c09ca 100644
--- a/spec/models/ci/runner_spec.rb
+++ b/spec/models/ci/runner_spec.rb
@@ -50,7 +50,7 @@ describe Ci::Runner do
   end
 
   describe '.online' do
-    subject { Ci::Runner.online }
+    subject { described_class.online }
 
     before do
       @runner1 = FactoryGirl.create(:ci_runner, :shared, contacted_at: 1.year.ago)
@@ -352,13 +352,13 @@ describe Ci::Runner do
       end
 
       context 'does not give owned runner' do
-        subject { Ci::Runner.assignable_for(project) }
+        subject { described_class.assignable_for(project) }
 
         it { is_expected.to be_empty }
       end
 
       context 'does not give shared runner' do
-        subject { Ci::Runner.assignable_for(another_project) }
+        subject { described_class.assignable_for(another_project) }
 
         it { is_expected.to be_empty }
       end
@@ -366,13 +366,13 @@ describe Ci::Runner do
 
     context 'with unlocked runner' do
       context 'does not give owned runner' do
-        subject { Ci::Runner.assignable_for(project) }
+        subject { described_class.assignable_for(project) }
 
         it { is_expected.to be_empty }
       end
 
       context 'does give a specific runner' do
-        subject { Ci::Runner.assignable_for(another_project) }
+        subject { described_class.assignable_for(another_project) }
 
         it { is_expected.to contain_exactly(runner) }
       end
@@ -384,13 +384,13 @@ describe Ci::Runner do
       end
 
       context 'does not give owned runner' do
-        subject { Ci::Runner.assignable_for(project) }
+        subject { described_class.assignable_for(project) }
 
         it { is_expected.to be_empty }
       end
 
       context 'does not give a locked runner' do
-        subject { Ci::Runner.assignable_for(another_project) }
+        subject { described_class.assignable_for(another_project) }
 
         it { is_expected.to be_empty }
       end
diff --git a/spec/models/global_milestone_spec.rb b/spec/models/global_milestone_spec.rb
index 17462f70a6d..5584a1a5a31 100644
--- a/spec/models/global_milestone_spec.rb
+++ b/spec/models/global_milestone_spec.rb
@@ -72,7 +72,7 @@ describe GlobalMilestone do
         project3
       ]
 
-      @global_milestones = GlobalMilestone.build_collection(projects, {})
+      @global_milestones = described_class.build_collection(projects, {})
     end
 
     it 'has all project milestones' do
@@ -106,7 +106,7 @@ describe GlobalMilestone do
       it 'returns the quantity of global milestones in each possible state' do
         expected_count = { opened: 1, closed: 2, all: 2 }
 
-        count = GlobalMilestone.states_count(Project.all)
+        count = described_class.states_count(Project.all)
 
         expect(count).to eq(expected_count)
       end
@@ -120,7 +120,7 @@ describe GlobalMilestone do
       it 'returns 0 as the quantity of global milestones in each state' do
         expected_count = { opened: 0, closed: 0, all: 0 }
 
-        count = GlobalMilestone.states_count(Project.all)
+        count = described_class.states_count(Project.all)
 
         expect(count).to eq(expected_count)
       end
@@ -141,7 +141,7 @@ describe GlobalMilestone do
         ]
       milestones_relation = Milestone.where(id: milestones.map(&:id))
 
-      @global_milestone = GlobalMilestone.new(milestone1_project1.title, milestones_relation)
+      @global_milestone = described_class.new(milestone1_project1.title, milestones_relation)
     end
 
     it 'has exactly one group milestone' do
@@ -157,7 +157,7 @@ describe GlobalMilestone do
     let(:milestone) { create(:milestone, title: "git / test", project: project1) }
 
     it 'strips out slashes and spaces' do
-      global_milestone = GlobalMilestone.new(milestone.title, Milestone.where(id: milestone.id))
+      global_milestone = described_class.new(milestone.title, Milestone.where(id: milestone.id))
 
       expect(global_milestone.safe_title).to eq('git-test')
     end
@@ -171,7 +171,7 @@ describe GlobalMilestone do
           create(:active_milestone, title: title),
           create(:closed_milestone, title: title)
         ]
-        global_milestone = GlobalMilestone.new(title, milestones)
+        global_milestone = described_class.new(title, milestones)
 
         expect(global_milestone.state).to eq('active')
       end
@@ -184,7 +184,7 @@ describe GlobalMilestone do
           create(:closed_milestone, title: title),
           create(:closed_milestone, title: title)
         ]
-        global_milestone = GlobalMilestone.new(title, milestones)
+        global_milestone = described_class.new(title, milestones)
 
         expect(global_milestone.state).to eq('closed')
       end
diff --git a/spec/models/group_milestone_spec.rb b/spec/models/group_milestone_spec.rb
index 6d1a7f188c8..ac76c927c39 100644
--- a/spec/models/group_milestone_spec.rb
+++ b/spec/models/group_milestone_spec.rb
@@ -9,7 +9,7 @@ describe GroupMilestone do
 
   describe '.build' do
     it 'returns milestone with group assigned' do
-      milestone = GroupMilestone.build(
+      milestone = described_class.build(
         group,
         [project],
         project_milestone.title
@@ -25,7 +25,7 @@ describe GroupMilestone do
     end
 
     it 'returns array of milestones, each with group assigned' do
-      milestones = GroupMilestone.build_collection(group, [project], {})
+      milestones = described_class.build_collection(group, [project], {})
       expect(milestones).to all(have_attributes(group: group))
     end
   end
diff --git a/spec/models/group_spec.rb b/spec/models/group_spec.rb
index 3f66d9b0ab9..112bd605a64 100644
--- a/spec/models/group_spec.rb
+++ b/spec/models/group_spec.rb
@@ -357,7 +357,7 @@ describe Group do
     subject { build(:group, :nested) }
 
     it { is_expected.to be_valid }
-    it { expect(subject.parent).to be_kind_of(Group) }
+    it { expect(subject.parent).to be_kind_of(described_class) }
   end
 
   describe '#members_with_parents', :nested_groups do
diff --git a/spec/models/guest_spec.rb b/spec/models/guest_spec.rb
index ac9aaa76550..0e9b94aac97 100644
--- a/spec/models/guest_spec.rb
+++ b/spec/models/guest_spec.rb
@@ -8,13 +8,13 @@ describe Guest do
   describe '.can_pull?' do
     context 'when project is private' do
       it 'does not allow to pull the repo' do
-        expect(Guest.can?(:download_code, private_project)).to eq(false)
+        expect(described_class.can?(:download_code, private_project)).to eq(false)
       end
     end
 
     context 'when project is internal' do
       it 'does not allow to pull the repo' do
-        expect(Guest.can?(:download_code, internal_project)).to eq(false)
+        expect(described_class.can?(:download_code, internal_project)).to eq(false)
       end
     end
 
@@ -23,7 +23,7 @@ describe Guest do
         it 'does not allow to pull the repo' do
           public_project.project_feature.update_attribute(:repository_access_level, ProjectFeature::DISABLED)
 
-          expect(Guest.can?(:download_code, public_project)).to eq(false)
+          expect(described_class.can?(:download_code, public_project)).to eq(false)
         end
       end
 
@@ -31,13 +31,13 @@ describe Guest do
         it 'does not allow to pull the repo' do
           public_project.project_feature.update_attribute(:repository_access_level, ProjectFeature::PRIVATE)
 
-          expect(Guest.can?(:download_code, public_project)).to eq(false)
+          expect(described_class.can?(:download_code, public_project)).to eq(false)
         end
       end
 
       context 'when repository is enabled' do
         it 'allows to pull the repo' do
-          expect(Guest.can?(:download_code, public_project)).to eq(true)
+          expect(described_class.can?(:download_code, public_project)).to eq(true)
         end
       end
     end
diff --git a/spec/models/hooks/project_hook_spec.rb b/spec/models/hooks/project_hook_spec.rb
index c9b948fb747..5dd31b1b5de 100644
--- a/spec/models/hooks/project_hook_spec.rb
+++ b/spec/models/hooks/project_hook_spec.rb
@@ -13,7 +13,7 @@ describe ProjectHook do
     it 'returns hooks for push events only' do
       hook = create(:project_hook, push_events: true)
       create(:project_hook, push_events: false)
-      expect(ProjectHook.push_hooks).to eq([hook])
+      expect(described_class.push_hooks).to eq([hook])
     end
   end
 
@@ -21,7 +21,7 @@ describe ProjectHook do
     it 'returns hooks for tag push events only' do
       hook = create(:project_hook, tag_push_events: true)
       create(:project_hook, tag_push_events: false)
-      expect(ProjectHook.tag_push_hooks).to eq([hook])
+      expect(described_class.tag_push_hooks).to eq([hook])
     end
   end
 end
diff --git a/spec/models/hooks/system_hook_spec.rb b/spec/models/hooks/system_hook_spec.rb
index 812dcb437f5..eadc232a989 100644
--- a/spec/models/hooks/system_hook_spec.rb
+++ b/spec/models/hooks/system_hook_spec.rb
@@ -122,7 +122,7 @@ describe SystemHook do
     it 'returns hooks for repository update events only' do
       hook = create(:system_hook, repository_update_events: true)
       create(:system_hook, repository_update_events: false)
-      expect(SystemHook.repository_update_hooks).to eq([hook])
+      expect(described_class.repository_update_hooks).to eq([hook])
     end
   end
 
diff --git a/spec/models/member_spec.rb b/spec/models/member_spec.rb
index 22e62ee0823..8bfd70b8d46 100644
--- a/spec/models/member_spec.rb
+++ b/spec/models/member_spec.rb
@@ -6,7 +6,7 @@ describe Member do
   end
 
   describe "Validation" do
-    subject { Member.new(access_level: Member::GUEST) }
+    subject { described_class.new(access_level: Member::GUEST) }
 
     it { is_expected.to validate_presence_of(:user) }
     it { is_expected.to validate_presence_of(:source) }
diff --git a/spec/models/members/project_member_spec.rb b/spec/models/members/project_member_spec.rb
index 93df1b2fb6c..025fb2bf441 100644
--- a/spec/models/members/project_member_spec.rb
+++ b/spec/models/members/project_member_spec.rb
@@ -139,7 +139,7 @@ describe ProjectMember do
       @project_1.team << [@user_1, :developer]
       @project_2.team << [@user_2, :reporter]
 
-      ProjectMember.truncate_teams([@project_1.id, @project_2.id])
+      described_class.truncate_teams([@project_1.id, @project_2.id])
     end
 
     it { expect(@project_1.users).to be_empty }
diff --git a/spec/models/merge_request_diff_spec.rb b/spec/models/merge_request_diff_spec.rb
index d09f880423b..0cfaa17676e 100644
--- a/spec/models/merge_request_diff_spec.rb
+++ b/spec/models/merge_request_diff_spec.rb
@@ -98,7 +98,7 @@ describe MergeRequestDiff do
     end
 
     it 'saves empty state' do
-      allow_any_instance_of(MergeRequestDiff).to receive_message_chain(:compare, :commits)
+      allow_any_instance_of(described_class).to receive_message_chain(:compare, :commits)
         .and_return([])
 
       mr_diff = create(:merge_request).merge_request_diff
diff --git a/spec/models/milestone_spec.rb b/spec/models/milestone_spec.rb
index 0dd8a86106b..aa376e242e8 100644
--- a/spec/models/milestone_spec.rb
+++ b/spec/models/milestone_spec.rb
@@ -37,13 +37,13 @@ describe Milestone do
   describe "unique milestone title" do
     context "per project" do
       it "does not accept the same title in a project twice" do
-        new_milestone = Milestone.new(project: milestone.project, title: milestone.title)
+        new_milestone = described_class.new(project: milestone.project, title: milestone.title)
         expect(new_milestone).not_to be_valid
       end
 
       it "accepts the same title in another project" do
         project = create(:empty_project)
-        new_milestone = Milestone.new(project: project, title: milestone.title)
+        new_milestone = described_class.new(project: project, title: milestone.title)
 
         expect(new_milestone).to be_valid
       end
@@ -58,7 +58,7 @@ describe Milestone do
       end
 
       it "does not accept the same title in a group twice" do
-        new_milestone = Milestone.new(group: group, title: milestone.title)
+        new_milestone = described_class.new(group: group, title: milestone.title)
 
         expect(new_milestone).not_to be_valid
       end
@@ -66,7 +66,7 @@ describe Milestone do
       it "does not accept the same title of a child project milestone" do
         create(:milestone, project: group.projects.first)
 
-        new_milestone = Milestone.new(group: group, title: milestone.title)
+        new_milestone = described_class.new(group: group, title: milestone.title)
 
         expect(new_milestone).not_to be_valid
       end
@@ -214,7 +214,7 @@ describe Milestone do
 
     # The call to `#try` is because this returns a relation with a Postgres DB,
     # and an array of IDs with a MySQL DB.
-    let(:milestone_ids) { Milestone.upcoming_ids_by_projects(projects).map { |id| id.try(:id) || id } }
+    let(:milestone_ids) { described_class.upcoming_ids_by_projects(projects).map { |id| id.try(:id) || id } }
 
     it 'returns the next upcoming open milestone ID for each project' do
       expect(milestone_ids).to contain_exactly(current_milestone_project_1.id, current_milestone_project_2.id)
diff --git a/spec/models/namespace_spec.rb b/spec/models/namespace_spec.rb
index 827356b660e..f12fe226e6b 100644
--- a/spec/models/namespace_spec.rb
+++ b/spec/models/namespace_spec.rb
@@ -133,7 +133,7 @@ describe Namespace do
     it "sums all project storage counters in the namespace" do
       project1
       project2
-      statistics = Namespace.with_statistics.find(namespace.id)
+      statistics = described_class.with_statistics.find(namespace.id)
 
       expect(statistics.storage_size).to eq 666
       expect(statistics.repository_size).to eq 111
@@ -142,7 +142,7 @@ describe Namespace do
     end
 
     it "correctly handles namespaces without projects" do
-      statistics = Namespace.with_statistics.find(namespace.id)
+      statistics = described_class.with_statistics.find(namespace.id)
 
       expect(statistics.storage_size).to eq 0
       expect(statistics.repository_size).to eq 0
@@ -286,9 +286,9 @@ describe Namespace do
       @namespace = create(:namespace, name: 'WoW', path: 'woW')
     end
 
-    it { expect(Namespace.find_by_path_or_name('wow')).to eq(@namespace) }
-    it { expect(Namespace.find_by_path_or_name('WOW')).to eq(@namespace) }
-    it { expect(Namespace.find_by_path_or_name('unknown')).to eq(nil) }
+    it { expect(described_class.find_by_path_or_name('wow')).to eq(@namespace) }
+    it { expect(described_class.find_by_path_or_name('WOW')).to eq(@namespace) }
+    it { expect(described_class.find_by_path_or_name('unknown')).to eq(nil) }
   end
 
   describe ".clean_path" do
@@ -296,8 +296,8 @@ describe Namespace do
     let!(:namespace)  { create(:namespace, path: "JohnGitLab-etc1") }
 
     it "cleans the path and makes sure it's available" do
-      expect(Namespace.clean_path("-john+gitlab-ETC%.git@gmail.com")).to eq("johngitlab-ETC2")
-      expect(Namespace.clean_path("--%+--valid_*&%name=.git.%.atom.atom.@email.com")).to eq("valid_name")
+      expect(described_class.clean_path("-john+gitlab-ETC%.git@gmail.com")).to eq("johngitlab-ETC2")
+      expect(described_class.clean_path("--%+--valid_*&%name=.git.%.atom.atom.@email.com")).to eq("valid_name")
     end
   end
 
diff --git a/spec/models/note_spec.rb b/spec/models/note_spec.rb
index d20816bc31f..cbe6d42ef53 100644
--- a/spec/models/note_spec.rb
+++ b/spec/models/note_spec.rb
@@ -525,7 +525,7 @@ describe Note do
 
       it "has a discussion id" do
         # The discussion_id is set in `after_initialize`, so `reload` won't work
-        reloaded_note = Note.find(note.id)
+        reloaded_note = described_class.find(note.id)
 
         expect(reloaded_note.discussion_id).not_to be_nil
         expect(reloaded_note.discussion_id).to match(/\A\h{40}\z/)
diff --git a/spec/models/project_services/asana_service_spec.rb b/spec/models/project_services/asana_service_spec.rb
index 3e568ec3dad..4684c970885 100644
--- a/spec/models/project_services/asana_service_spec.rb
+++ b/spec/models/project_services/asana_service_spec.rb
@@ -35,7 +35,7 @@ describe AsanaService do
     end
 
     before do
-      @asana = AsanaService.new
+      @asana = described_class.new
       allow(@asana).to receive_messages(
         project: project,
         project_id: project.id,
diff --git a/spec/models/project_services/assembla_service_spec.rb b/spec/models/project_services/assembla_service_spec.rb
index a06bd2de0eb..5cb6d63659e 100644
--- a/spec/models/project_services/assembla_service_spec.rb
+++ b/spec/models/project_services/assembla_service_spec.rb
@@ -11,7 +11,7 @@ describe AssemblaService do
     let(:project) { create(:project, :repository) }
 
     before do
-      @assembla_service = AssemblaService.new
+      @assembla_service = described_class.new
       allow(@assembla_service).to receive_messages(
         project_id: project.id,
         project: project,
diff --git a/spec/models/project_services/campfire_service_spec.rb b/spec/models/project_services/campfire_service_spec.rb
index 176850b4c72..ed8347edffd 100644
--- a/spec/models/project_services/campfire_service_spec.rb
+++ b/spec/models/project_services/campfire_service_spec.rb
@@ -29,7 +29,7 @@ describe CampfireService do
     let(:project) { create(:project, :repository) }
 
     before do
-      @campfire_service = CampfireService.new
+      @campfire_service = described_class.new
       allow(@campfire_service).to receive_messages(
         project_id: project.id,
         project: project,
diff --git a/spec/models/project_services/flowdock_service_spec.rb b/spec/models/project_services/flowdock_service_spec.rb
index e439abb45a4..5e8e880985e 100644
--- a/spec/models/project_services/flowdock_service_spec.rb
+++ b/spec/models/project_services/flowdock_service_spec.rb
@@ -29,7 +29,7 @@ describe FlowdockService do
     let(:project) { create(:project, :repository) }
 
     before do
-      @flowdock_service = FlowdockService.new
+      @flowdock_service = described_class.new
       allow(@flowdock_service).to receive_messages(
         project_id: project.id,
         project: project,
diff --git a/spec/models/project_services/gemnasium_service_spec.rb b/spec/models/project_services/gemnasium_service_spec.rb
index d89e7ee8a2a..4c61bc0af95 100644
--- a/spec/models/project_services/gemnasium_service_spec.rb
+++ b/spec/models/project_services/gemnasium_service_spec.rb
@@ -31,7 +31,7 @@ describe GemnasiumService do
     let(:project) { create(:project, :repository) }
 
     before do
-      @gemnasium_service = GemnasiumService.new
+      @gemnasium_service = described_class.new
       allow(@gemnasium_service).to receive_messages(
         project_id: project.id,
         project: project,
diff --git a/spec/models/project_services/gitlab_issue_tracker_service_spec.rb b/spec/models/project_services/gitlab_issue_tracker_service_spec.rb
index ff0f73eff4c..d19dab8fd39 100644
--- a/spec/models/project_services/gitlab_issue_tracker_service_spec.rb
+++ b/spec/models/project_services/gitlab_issue_tracker_service_spec.rb
@@ -27,7 +27,7 @@ describe GitlabIssueTrackerService do
 
     context 'with absolute urls' do
       before do
-        allow(GitlabIssueTrackerService).to receive(:default_url_options).and_return(script_name: "/gitlab/root")
+        allow(described_class).to receive(:default_url_options).and_return(script_name: "/gitlab/root")
       end
 
       it 'gives the correct path' do
@@ -39,7 +39,7 @@ describe GitlabIssueTrackerService do
 
     context 'with relative urls' do
       before do
-        allow(GitlabIssueTrackerService).to receive(:default_url_options).and_return(script_name: "/gitlab/root")
+        allow(described_class).to receive(:default_url_options).and_return(script_name: "/gitlab/root")
       end
 
       it 'gives the correct path' do
diff --git a/spec/models/project_services/hipchat_service_spec.rb b/spec/models/project_services/hipchat_service_spec.rb
index f08e6c863a4..7614bb897e8 100644
--- a/spec/models/project_services/hipchat_service_spec.rb
+++ b/spec/models/project_services/hipchat_service_spec.rb
@@ -25,7 +25,7 @@ describe HipchatService do
   end
 
   describe "Execute" do
-    let(:hipchat) { HipchatService.new }
+    let(:hipchat) { described_class.new }
     let(:user)    { create(:user) }
     let(:project) { create(:project, :repository) }
     let(:api_url) { 'https://hipchat.example.com/v2/room/123456/notification?auth_token=verySecret' }
diff --git a/spec/models/project_services/irker_service_spec.rb b/spec/models/project_services/irker_service_spec.rb
index ce2b26436b3..cb9ca76fc3f 100644
--- a/spec/models/project_services/irker_service_spec.rb
+++ b/spec/models/project_services/irker_service_spec.rb
@@ -27,7 +27,7 @@ describe IrkerService do
   end
 
   describe 'Execute' do
-    let(:irker) { IrkerService.new }
+    let(:irker) { described_class.new }
     let(:user) { create(:user) }
     let(:project) { create(:project, :repository) }
     let(:sample_data) do
diff --git a/spec/models/project_services/jira_service_spec.rb b/spec/models/project_services/jira_service_spec.rb
index 62e1d51104e..c9e8d7e194d 100644
--- a/spec/models/project_services/jira_service_spec.rb
+++ b/spec/models/project_services/jira_service_spec.rb
@@ -78,7 +78,7 @@ describe JiraService do
     let(:merge_request) { create(:merge_request) }
 
     before do
-      @jira_service = JiraService.new
+      @jira_service = described_class.new
       allow(@jira_service).to receive_messages(
         project_id: project.id,
         project: project,
@@ -167,7 +167,7 @@ describe JiraService do
       stub_config_setting(relative_url_root: '/gitlab')
       stub_config_setting(url: Settings.send(:build_gitlab_url))
 
-      allow(JiraService).to receive(:default_url_options) do
+      allow(described_class).to receive(:default_url_options) do
         { script_name: '/gitlab' }
       end
 
@@ -220,7 +220,7 @@ describe JiraService do
 
     context "when a password was previously set" do
       before do
-        @jira_service = JiraService.create!(
+        @jira_service = described_class.create!(
           project: project,
           properties: {
             url: 'http://jira.example.com/web',
@@ -301,7 +301,7 @@ describe JiraService do
 
     context 'when no password was previously set' do
       before do
-        @jira_service = JiraService.create(
+        @jira_service = described_class.create(
           project: project,
           properties: {
             url: 'http://jira.example.com/rest/api/2',
diff --git a/spec/models/project_services/pivotaltracker_service_spec.rb b/spec/models/project_services/pivotaltracker_service_spec.rb
index 002476c1a17..f7d2372eca2 100644
--- a/spec/models/project_services/pivotaltracker_service_spec.rb
+++ b/spec/models/project_services/pivotaltracker_service_spec.rb
@@ -26,7 +26,7 @@ describe PivotaltrackerService do
 
   describe 'Execute' do
     let(:service) do
-      PivotaltrackerService.new.tap do |service|
+      described_class.new.tap do |service|
         service.token = 'secret_api_token'
       end
     end
diff --git a/spec/models/project_services/pushover_service_spec.rb b/spec/models/project_services/pushover_service_spec.rb
index e77c4ddcc78..54b8c658ff6 100644
--- a/spec/models/project_services/pushover_service_spec.rb
+++ b/spec/models/project_services/pushover_service_spec.rb
@@ -29,7 +29,7 @@ describe PushoverService do
   end
 
   describe 'Execute' do
-    let(:pushover) { PushoverService.new }
+    let(:pushover) { described_class.new }
     let(:user) { create(:user) }
     let(:project) { create(:project, :repository) }
     let(:sample_data) do
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index 2df31a54628..473b7a88d61 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -77,7 +77,7 @@ describe Project do
 
     context 'after initialized' do
       it "has a project_feature" do
-        expect(Project.new.project_feature).to be_present
+        expect(described_class.new.project_feature).to be_present
       end
     end
 
@@ -438,7 +438,7 @@ describe Project do
   end
 
   it 'returns valid url to repo' do
-    project = Project.new(path: 'somewhere')
+    project = described_class.new(path: 'somewhere')
     expect(project.url_to_repo).to eq(Gitlab.config.gitlab_shell.ssh_path_prefix + 'somewhere.git')
   end
 
@@ -917,7 +917,7 @@ describe Project do
   end
 
   describe '.with_shared_runners' do
-    subject { Project.with_shared_runners }
+    subject { described_class.with_shared_runners }
 
     context 'when shared runners are enabled for project' do
       let!(:project) { create(:empty_project, shared_runners_enabled: true) }
@@ -942,10 +942,10 @@ describe Project do
     let!(:project2) { create(:empty_project, :public, group: group) }
 
     it 'returns total project count' do
-      expect(Project).to receive(:count).once.and_call_original
+      expect(described_class).to receive(:count).once.and_call_original
 
       3.times do
-        expect(Project.cached_count).to eq(2)
+        expect(described_class.cached_count).to eq(2)
       end
     end
   end
@@ -990,7 +990,7 @@ describe Project do
       user1.toggle_star(project1)
       user2.toggle_star(project2)
 
-      expect(Project.starred_by(user1)).to contain_exactly(project1)
+      expect(described_class.starred_by(user1)).to contain_exactly(project1)
     end
   end
 
@@ -2012,7 +2012,7 @@ describe Project do
     let!(:path) { project1.namespace.full_path }
 
     it 'returns correct project' do
-      expect(Project.inside_path(path)).to eq([project1])
+      expect(described_class.inside_path(path)).to eq([project1])
     end
   end
 
@@ -2216,7 +2216,7 @@ describe Project do
 
     context 'with a user' do
       let(:projects) do
-        Project.all.public_or_visible_to_user(user)
+        described_class.all.public_or_visible_to_user(user)
       end
 
       it 'includes projects the user has access to' do
@@ -2230,7 +2230,7 @@ describe Project do
 
     context 'without a user' do
       it 'only includes public projects' do
-        projects = Project.all.public_or_visible_to_user
+        projects = described_class.all.public_or_visible_to_user
 
         expect(projects).to eq([public_project])
       end
diff --git a/spec/models/project_wiki_spec.rb b/spec/models/project_wiki_spec.rb
index fc1cdb3b1e6..7fcbeb459e0 100644
--- a/spec/models/project_wiki_spec.rb
+++ b/spec/models/project_wiki_spec.rb
@@ -5,7 +5,7 @@ describe ProjectWiki do
   let(:repository) { project.repository }
   let(:user) { project.owner }
   let(:gitlab_shell) { Gitlab::Shell.new }
-  let(:project_wiki) { ProjectWiki.new(project, user) }
+  let(:project_wiki) { described_class.new(project, user) }
 
   subject { project_wiki }
 
diff --git a/spec/models/protected_branch_spec.rb b/spec/models/protected_branch_spec.rb
index 6e8b07b44fb..a54af3bfe59 100644
--- a/spec/models/protected_branch_spec.rb
+++ b/spec/models/protected_branch_spec.rb
@@ -101,17 +101,17 @@ describe ProtectedBranch do
         production = create(:protected_branch, name: "production")
         staging = create(:protected_branch, name: "staging")
 
-        expect(ProtectedBranch.matching("production")).to include(production)
-        expect(ProtectedBranch.matching("production")).not_to include(staging)
+        expect(described_class.matching("production")).to include(production)
+        expect(described_class.matching("production")).not_to include(staging)
       end
 
       it "accepts a list of protected branches to search from, so as to avoid a DB call" do
         production = build(:protected_branch, name: "production")
         staging = build(:protected_branch, name: "staging")
 
-        expect(ProtectedBranch.matching("production")).to be_empty
-        expect(ProtectedBranch.matching("production", protected_refs: [production, staging])).to include(production)
-        expect(ProtectedBranch.matching("production", protected_refs: [production, staging])).not_to include(staging)
+        expect(described_class.matching("production")).to be_empty
+        expect(described_class.matching("production", protected_refs: [production, staging])).to include(production)
+        expect(described_class.matching("production", protected_refs: [production, staging])).not_to include(staging)
       end
     end
 
@@ -120,17 +120,17 @@ describe ProtectedBranch do
         production = create(:protected_branch, name: "production/*")
         staging = create(:protected_branch, name: "staging/*")
 
-        expect(ProtectedBranch.matching("production/some-branch")).to include(production)
-        expect(ProtectedBranch.matching("production/some-branch")).not_to include(staging)
+        expect(described_class.matching("production/some-branch")).to include(production)
+        expect(described_class.matching("production/some-branch")).not_to include(staging)
       end
 
       it "accepts a list of protected branches to search from, so as to avoid a DB call" do
         production = build(:protected_branch, name: "production/*")
         staging = build(:protected_branch, name: "staging/*")
 
-        expect(ProtectedBranch.matching("production/some-branch")).to be_empty
-        expect(ProtectedBranch.matching("production/some-branch", protected_refs: [production, staging])).to include(production)
-        expect(ProtectedBranch.matching("production/some-branch", protected_refs: [production, staging])).not_to include(staging)
+        expect(described_class.matching("production/some-branch")).to be_empty
+        expect(described_class.matching("production/some-branch", protected_refs: [production, staging])).to include(production)
+        expect(described_class.matching("production/some-branch", protected_refs: [production, staging])).not_to include(staging)
       end
     end
   end
@@ -142,23 +142,23 @@ describe ProtectedBranch do
       it 'returns true when the branch matches a protected branch via direct match' do
         create(:protected_branch, project: project, name: "foo")
 
-        expect(ProtectedBranch.protected?(project, 'foo')).to eq(true)
+        expect(described_class.protected?(project, 'foo')).to eq(true)
       end
 
       it 'returns true when the branch matches a protected branch via wildcard match' do
         create(:protected_branch, project: project, name: "production/*")
 
-        expect(ProtectedBranch.protected?(project, 'production/some-branch')).to eq(true)
+        expect(described_class.protected?(project, 'production/some-branch')).to eq(true)
       end
 
       it 'returns false when the branch does not match a protected branch via direct match' do
-        expect(ProtectedBranch.protected?(project, 'foo')).to eq(false)
+        expect(described_class.protected?(project, 'foo')).to eq(false)
       end
 
       it 'returns false when the branch does not match a protected branch via wildcard match' do
         create(:protected_branch, project: project, name: "production/*")
 
-        expect(ProtectedBranch.protected?(project, 'staging/some-branch')).to eq(false)
+        expect(described_class.protected?(project, 'staging/some-branch')).to eq(false)
       end
     end
 
@@ -168,25 +168,25 @@ describe ProtectedBranch do
       it 'returns false when default_protected_branch is unprotected' do
         stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_NONE)
 
-        expect(ProtectedBranch.protected?(project, 'master')).to be false
+        expect(described_class.protected?(project, 'master')).to be false
       end
 
       it 'returns false when default_protected_branch lets developers push' do
         stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_DEV_CAN_PUSH)
 
-        expect(ProtectedBranch.protected?(project, 'master')).to be false
+        expect(described_class.protected?(project, 'master')).to be false
       end
 
       it 'returns true when default_branch_protection does not let developers push but let developer merge branches' do
         stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_DEV_CAN_MERGE)
 
-        expect(ProtectedBranch.protected?(project, 'master')).to be true
+        expect(described_class.protected?(project, 'master')).to be true
       end
 
       it 'returns true when default_branch_protection is in full protection' do
         stub_application_setting(default_branch_protection: Gitlab::Access::PROTECTION_FULL)
 
-        expect(ProtectedBranch.protected?(project, 'master')).to be true
+        expect(described_class.protected?(project, 'master')).to be true
       end
     end
   end
diff --git a/spec/models/redirect_route_spec.rb b/spec/models/redirect_route_spec.rb
index 37948ea3f86..80943877095 100644
--- a/spec/models/redirect_route_spec.rb
+++ b/spec/models/redirect_route_spec.rb
@@ -21,7 +21,7 @@ describe RedirectRoute do
     let!(:redirect5) { group.redirect_routes.create(path: 'gitlabb/test/baz') }
 
     it 'returns correct routes' do
-      expect(RedirectRoute.matching_path_and_descendants('gitlabb/test')).to match_array([redirect2, redirect3, redirect4, redirect5])
+      expect(described_class.matching_path_and_descendants('gitlabb/test')).to match_array([redirect2, redirect3, redirect4, redirect5])
     end
   end
 end
diff --git a/spec/models/route_spec.rb b/spec/models/route_spec.rb
index 32cd5d1d944..bdacc60fb53 100644
--- a/spec/models/route_spec.rb
+++ b/spec/models/route_spec.rb
@@ -34,7 +34,7 @@ describe Route do
     context 'after create' do
       it 'calls #delete_conflicting_redirects' do
         route.destroy
-        new_route = Route.new(source: group, path: group.path)
+        new_route = described_class.new(source: group, path: group.path)
         expect(new_route).to receive(:delete_conflicting_redirects)
         new_route.save!
       end
@@ -49,7 +49,7 @@ describe Route do
     let!(:another_group_nested) { create(:group, path: 'another', name: 'another', parent: similar_group) }
 
     it 'returns correct routes' do
-      expect(Route.inside_path('git_lab')).to match_array([nested_group.route, deep_nested_group.route])
+      expect(described_class.inside_path('git_lab')).to match_array([nested_group.route, deep_nested_group.route])
     end
   end
 
diff --git a/spec/models/sent_notification_spec.rb b/spec/models/sent_notification_spec.rb
index 823cdb853eb..8b6b02916ae 100644
--- a/spec/models/sent_notification_spec.rb
+++ b/spec/models/sent_notification_spec.rb
@@ -38,7 +38,7 @@ describe SentNotification do
     let(:issue) { create(:issue) }
 
     it 'creates a new SentNotification' do
-      expect { described_class.record(issue, user.id) }.to change { SentNotification.count }.by(1)
+      expect { described_class.record(issue, user.id) }.to change { described_class.count }.by(1)
     end
   end
 
@@ -47,7 +47,7 @@ describe SentNotification do
     let(:note) { create(:diff_note_on_merge_request) }
 
     it 'creates a new SentNotification' do
-      expect { described_class.record_note(note, user.id) }.to change { SentNotification.count }.by(1)
+      expect { described_class.record_note(note, user.id) }.to change { described_class.count }.by(1)
     end
   end
 
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 105d41957c3..71aadbb4186 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -261,7 +261,7 @@ describe User do
       it "returns users with 2fa enabled via OTP" do
         user_with_2fa = create(:user, :two_factor_via_otp)
         user_without_2fa = create(:user)
-        users_with_two_factor = User.with_two_factor.pluck(:id)
+        users_with_two_factor = described_class.with_two_factor.pluck(:id)
 
         expect(users_with_two_factor).to include(user_with_2fa.id)
         expect(users_with_two_factor).not_to include(user_without_2fa.id)
@@ -270,7 +270,7 @@ describe User do
       it "returns users with 2fa enabled via U2F" do
         user_with_2fa = create(:user, :two_factor_via_u2f)
         user_without_2fa = create(:user)
-        users_with_two_factor = User.with_two_factor.pluck(:id)
+        users_with_two_factor = described_class.with_two_factor.pluck(:id)
 
         expect(users_with_two_factor).to include(user_with_2fa.id)
         expect(users_with_two_factor).not_to include(user_without_2fa.id)
@@ -279,7 +279,7 @@ describe User do
       it "returns users with 2fa enabled via OTP and U2F" do
         user_with_2fa = create(:user, :two_factor_via_otp, :two_factor_via_u2f)
         user_without_2fa = create(:user)
-        users_with_two_factor = User.with_two_factor.pluck(:id)
+        users_with_two_factor = described_class.with_two_factor.pluck(:id)
 
         expect(users_with_two_factor).to eq([user_with_2fa.id])
         expect(users_with_two_factor).not_to include(user_without_2fa.id)
@@ -290,7 +290,7 @@ describe User do
       it "excludes users with 2fa enabled via OTP" do
         user_with_2fa = create(:user, :two_factor_via_otp)
         user_without_2fa = create(:user)
-        users_without_two_factor = User.without_two_factor.pluck(:id)
+        users_without_two_factor = described_class.without_two_factor.pluck(:id)
 
         expect(users_without_two_factor).to include(user_without_2fa.id)
         expect(users_without_two_factor).not_to include(user_with_2fa.id)
@@ -299,7 +299,7 @@ describe User do
       it "excludes users with 2fa enabled via U2F" do
         user_with_2fa = create(:user, :two_factor_via_u2f)
         user_without_2fa = create(:user)
-        users_without_two_factor = User.without_two_factor.pluck(:id)
+        users_without_two_factor = described_class.without_two_factor.pluck(:id)
 
         expect(users_without_two_factor).to include(user_without_2fa.id)
         expect(users_without_two_factor).not_to include(user_with_2fa.id)
@@ -308,7 +308,7 @@ describe User do
       it "excludes users with 2fa enabled via OTP and U2F" do
         user_with_2fa = create(:user, :two_factor_via_otp, :two_factor_via_u2f)
         user_without_2fa = create(:user)
-        users_without_two_factor = User.without_two_factor.pluck(:id)
+        users_without_two_factor = described_class.without_two_factor.pluck(:id)
 
         expect(users_without_two_factor).to include(user_without_2fa.id)
         expect(users_without_two_factor).not_to include(user_with_2fa.id)
@@ -324,8 +324,8 @@ describe User do
         create(:todo, user: current_user, author: user_2, state: :done)
         create(:todo, user: current_user, author: user_3, state: :pending)
 
-        expect(User.todo_authors(current_user.id, 'pending')).to eq [user_3]
-        expect(User.todo_authors(current_user.id, 'done')).to eq [user_2]
+        expect(described_class.todo_authors(current_user.id, 'pending')).to eq [user_3]
+        expect(described_class.todo_authors(current_user.id, 'done')).to eq [user_2]
       end
     end
   end
@@ -609,39 +609,39 @@ describe User do
     let(:user) { double }
 
     it 'filters by active users by default' do
-      expect(User).to receive(:active).and_return([user])
+      expect(described_class).to receive(:active).and_return([user])
 
-      expect(User.filter(nil)).to include user
+      expect(described_class.filter(nil)).to include user
     end
 
     it 'filters by admins' do
-      expect(User).to receive(:admins).and_return([user])
+      expect(described_class).to receive(:admins).and_return([user])
 
-      expect(User.filter('admins')).to include user
+      expect(described_class.filter('admins')).to include user
     end
 
     it 'filters by blocked' do
-      expect(User).to receive(:blocked).and_return([user])
+      expect(described_class).to receive(:blocked).and_return([user])
 
-      expect(User.filter('blocked')).to include user
+      expect(described_class.filter('blocked')).to include user
     end
 
     it 'filters by two_factor_disabled' do
-      expect(User).to receive(:without_two_factor).and_return([user])
+      expect(described_class).to receive(:without_two_factor).and_return([user])
 
-      expect(User.filter('two_factor_disabled')).to include user
+      expect(described_class.filter('two_factor_disabled')).to include user
     end
 
     it 'filters by two_factor_enabled' do
-      expect(User).to receive(:with_two_factor).and_return([user])
+      expect(described_class).to receive(:with_two_factor).and_return([user])
 
-      expect(User.filter('two_factor_enabled')).to include user
+      expect(described_class.filter('two_factor_enabled')).to include user
     end
 
     it 'filters by wop' do
-      expect(User).to receive(:without_projects).and_return([user])
+      expect(described_class).to receive(:without_projects).and_return([user])
 
-      expect(User.filter('wop')).to include user
+      expect(described_class.filter('wop')).to include user
     end
   end
 
@@ -662,9 +662,9 @@ describe User do
       project.request_access(user_without_project2)
     end
 
-    it { expect(User.without_projects).not_to include user }
-    it { expect(User.without_projects).to include user_without_project }
-    it { expect(User.without_projects).to include user_without_project2 }
+    it { expect(described_class.without_projects).not_to include user }
+    it { expect(described_class.without_projects).to include user_without_project }
+    it { expect(described_class.without_projects).to include user_without_project2 }
   end
 
   describe 'user creation' do
@@ -680,7 +680,7 @@ describe User do
     end
 
     describe 'with defaults' do
-      let(:user) { User.new }
+      let(:user) { described_class.new }
 
       it "applies defaults to user" do
         expect(user.projects_limit).to eq(Gitlab.config.gitlab.default_projects_limit)
@@ -690,7 +690,7 @@ describe User do
     end
 
     describe 'with default overrides' do
-      let(:user) { User.new(projects_limit: 123, can_create_group: false, can_create_team: true) }
+      let(:user) { described_class.new(projects_limit: 123, can_create_group: false, can_create_team: true) }
 
       it "applies defaults to user" do
         expect(user.projects_limit).to eq(123)
@@ -740,18 +740,18 @@ describe User do
     it 'finds by primary email' do
       user = create(:user, email: 'foo@example.com')
 
-      expect(User.find_by_any_email(user.email)).to eq user
+      expect(described_class.find_by_any_email(user.email)).to eq user
     end
 
     it 'finds by secondary email' do
       email = create(:email, email: 'foo@example.com')
       user  = email.user
 
-      expect(User.find_by_any_email(email.email)).to eq user
+      expect(described_class.find_by_any_email(email.email)).to eq user
     end
 
     it 'returns nil when nothing found' do
-      expect(User.find_by_any_email('')).to be_nil
+      expect(described_class.find_by_any_email('')).to be_nil
     end
   end
 
@@ -899,12 +899,12 @@ describe User do
     let!(:user) { create(:user, username: username) }
 
     it 'gets the correct user' do
-      expect(User.by_login(user.email.upcase)).to eq user
-      expect(User.by_login(user.email)).to eq user
-      expect(User.by_login(username.downcase)).to eq user
-      expect(User.by_login(username)).to eq user
-      expect(User.by_login(nil)).to be_nil
-      expect(User.by_login('')).to be_nil
+      expect(described_class.by_login(user.email.upcase)).to eq user
+      expect(described_class.by_login(user.email)).to eq user
+      expect(described_class.by_login(username.downcase)).to eq user
+      expect(described_class.by_login(username)).to eq user
+      expect(described_class.by_login(nil)).to be_nil
+      expect(described_class.by_login('')).to be_nil
     end
   end
 
@@ -938,12 +938,12 @@ describe User do
       let!(:route) { user.namespace.route }
 
       it 'returns the user' do
-        expect(User.find_by_full_path(route.path)).to eq(user)
+        expect(described_class.find_by_full_path(route.path)).to eq(user)
       end
 
       it 'is case-insensitive' do
-        expect(User.find_by_full_path(route.path.upcase)).to eq(user)
-        expect(User.find_by_full_path(route.path.downcase)).to eq(user)
+        expect(described_class.find_by_full_path(route.path.upcase)).to eq(user)
+        expect(described_class.find_by_full_path(route.path.downcase)).to eq(user)
       end
     end
 
@@ -952,18 +952,18 @@ describe User do
 
       context 'without the follow_redirects option' do
         it 'returns nil' do
-          expect(User.find_by_full_path(redirect_route.path)).to eq(nil)
+          expect(described_class.find_by_full_path(redirect_route.path)).to eq(nil)
         end
       end
 
       context 'with the follow_redirects option set to true' do
         it 'returns the user' do
-          expect(User.find_by_full_path(redirect_route.path, follow_redirects: true)).to eq(user)
+          expect(described_class.find_by_full_path(redirect_route.path, follow_redirects: true)).to eq(user)
         end
 
         it 'is case-insensitive' do
-          expect(User.find_by_full_path(redirect_route.path.upcase, follow_redirects: true)).to eq(user)
-          expect(User.find_by_full_path(redirect_route.path.downcase, follow_redirects: true)).to eq(user)
+          expect(described_class.find_by_full_path(redirect_route.path.upcase, follow_redirects: true)).to eq(user)
+          expect(described_class.find_by_full_path(redirect_route.path.downcase, follow_redirects: true)).to eq(user)
         end
       end
     end
@@ -971,12 +971,12 @@ describe User do
     context 'without a route or a redirect route matching the given path' do
       context 'without the follow_redirects option' do
         it 'returns nil' do
-          expect(User.find_by_full_path('unknown')).to eq(nil)
+          expect(described_class.find_by_full_path('unknown')).to eq(nil)
         end
       end
       context 'with the follow_redirects option set to true' do
         it 'returns nil' do
-          expect(User.find_by_full_path('unknown', follow_redirects: true)).to eq(nil)
+          expect(described_class.find_by_full_path('unknown', follow_redirects: true)).to eq(nil)
         end
       end
     end
@@ -986,7 +986,7 @@ describe User do
         let!(:group) { create(:group, path: 'group_path', owner: user) }
 
         it 'returns nil' do
-          expect(User.find_by_full_path('group_path')).to eq(nil)
+          expect(described_class.find_by_full_path('group_path')).to eq(nil)
         end
       end
 
@@ -994,7 +994,7 @@ describe User do
         let!(:group) { create(:group, path: 'group_path') }
 
         it 'returns nil' do
-          expect(User.find_by_full_path('group_path')).to eq(nil)
+          expect(described_class.find_by_full_path('group_path')).to eq(nil)
         end
       end
     end
@@ -1044,7 +1044,7 @@ describe User do
   end
 
   describe '#requires_ldap_check?' do
-    let(:user) { User.new }
+    let(:user) { described_class.new }
 
     it 'is false when LDAP is disabled' do
       # Create a condition which would otherwise cause 'true' to be returned
@@ -1215,7 +1215,7 @@ describe User do
 
   describe '#sort' do
     before do
-      User.delete_all
+      described_class.delete_all
       @user = create :user, created_at: Date.today, last_sign_in_at: Date.today, name: 'Alpha'
       @user1 = create :user, created_at: Date.today - 1, last_sign_in_at: Date.today - 1, name: 'Omega'
       @user2 = create :user, created_at: Date.today - 2, last_sign_in_at: nil, name: 'Beta'
@@ -1223,34 +1223,34 @@ describe User do
 
     context 'when sort by recent_sign_in' do
       it 'sorts users by the recent sign-in time' do
-        expect(User.sort('recent_sign_in').first).to eq(@user)
+        expect(described_class.sort('recent_sign_in').first).to eq(@user)
       end
 
       it 'pushes users who never signed in to the end' do
-        expect(User.sort('recent_sign_in').third).to eq(@user2)
+        expect(described_class.sort('recent_sign_in').third).to eq(@user2)
       end
     end
 
     context 'when sort by oldest_sign_in' do
       it 'sorts users by the oldest sign-in time' do
-        expect(User.sort('oldest_sign_in').first).to eq(@user1)
+        expect(described_class.sort('oldest_sign_in').first).to eq(@user1)
       end
 
       it 'pushes users who never signed in to the end' do
-        expect(User.sort('oldest_sign_in').third).to eq(@user2)
+        expect(described_class.sort('oldest_sign_in').third).to eq(@user2)
       end
     end
 
     it 'sorts users in descending order by their creation time' do
-      expect(User.sort('created_desc').first).to eq(@user)
+      expect(described_class.sort('created_desc').first).to eq(@user)
     end
 
     it 'sorts users in ascending order by their creation time' do
-      expect(User.sort('created_asc').first).to eq(@user2)
+      expect(described_class.sort('created_asc').first).to eq(@user2)
     end
 
     it 'sorts users by id in descending order when nil is passed' do
-      expect(User.sort(nil).first).to eq(@user2)
+      expect(described_class.sort(nil).first).to eq(@user2)
     end
   end
 
@@ -1770,7 +1770,7 @@ describe User do
 
   describe '.ghost' do
     it "creates a ghost user if one isn't already present" do
-      ghost = User.ghost
+      ghost = described_class.ghost
 
       expect(ghost).to be_ghost
       expect(ghost).to be_persisted
@@ -1778,16 +1778,16 @@ describe User do
 
     it "does not create a second ghost user if one is already present" do
       expect do
-        User.ghost
-        User.ghost
-      end.to change { User.count }.by(1)
-      expect(User.ghost).to eq(User.ghost)
+        described_class.ghost
+        described_class.ghost
+      end.to change { described_class.count }.by(1)
+      expect(described_class.ghost).to eq(described_class.ghost)
     end
 
     context "when a regular user exists with the username 'ghost'" do
       it "creates a ghost user with a non-conflicting username" do
         create(:user, username: 'ghost')
-        ghost = User.ghost
+        ghost = described_class.ghost
 
         expect(ghost).to be_persisted
         expect(ghost.username).to eq('ghost1')
@@ -1797,7 +1797,7 @@ describe User do
     context "when a regular user exists with the email 'ghost@example.com'" do
       it "creates a ghost user with a non-conflicting email" do
         create(:user, email: 'ghost@example.com')
-        ghost = User.ghost
+        ghost = described_class.ghost
 
         expect(ghost).to be_persisted
         expect(ghost.email).to eq('ghost1@example.com')
@@ -1810,7 +1810,7 @@ describe User do
       end
 
       it 'creates a ghost user' do
-        expect(User.ghost).to be_persisted
+        expect(described_class.ghost).to be_persisted
       end
     end
   end
@@ -1889,13 +1889,13 @@ describe User do
 
   context '.active' do
     before do
-      User.ghost
+      described_class.ghost
       create(:user, name: 'user', state: 'active')
       create(:user, name: 'user', state: 'blocked')
     end
 
     it 'only counts active and non internal users' do
-      expect(User.active.count).to eq(1)
+      expect(described_class.active.count).to eq(1)
     end
   end
 
diff --git a/spec/models/wiki_directory_spec.rb b/spec/models/wiki_directory_spec.rb
index c3c62c42b35..fb8575cfe2b 100644
--- a/spec/models/wiki_directory_spec.rb
+++ b/spec/models/wiki_directory_spec.rb
@@ -10,7 +10,7 @@ RSpec.describe WikiDirectory do
   describe '#initialize' do
     context 'when there are pages' do
       let(:pages) { [build(:wiki_page)] }
-      let(:directory) { WikiDirectory.new('/path_up_to/dir', pages) }
+      let(:directory) { described_class.new('/path_up_to/dir', pages) }
 
       it 'sets the slug attribute' do
         expect(directory.slug).to eq('/path_up_to/dir')
@@ -22,7 +22,7 @@ RSpec.describe WikiDirectory do
     end
 
     context 'when there are no pages' do
-      let(:directory) { WikiDirectory.new('/path_up_to/dir') }
+      let(:directory) { described_class.new('/path_up_to/dir') }
 
       it 'sets the slug attribute' do
         expect(directory.slug).to eq('/path_up_to/dir')
diff --git a/spec/models/wiki_page_spec.rb b/spec/models/wiki_page_spec.rb
index 77506a78459..90ad3cdeb93 100644
--- a/spec/models/wiki_page_spec.rb
+++ b/spec/models/wiki_page_spec.rb
@@ -5,13 +5,13 @@ describe WikiPage do
   let(:user) { project.owner }
   let(:wiki) { ProjectWiki.new(project, user) }
 
-  subject { WikiPage.new(wiki) }
+  subject { described_class.new(wiki) }
 
   describe '.group_by_directory' do
     context 'when there are no pages' do
       it 'returns an empty array' do
-        expect(WikiPage.group_by_directory(nil)).to eq([])
-        expect(WikiPage.group_by_directory([])).to eq([])
+        expect(described_class.group_by_directory(nil)).to eq([])
+        expect(described_class.group_by_directory([])).to eq([])
       end
     end
 
@@ -39,7 +39,7 @@ describe WikiPage do
       it 'returns an array with pages and directories' do
         expected_grouped_entries = [page_1, dir_1, dir_1_1, dir_2]
 
-        grouped_entries = WikiPage.group_by_directory(wiki.pages)
+        grouped_entries = described_class.group_by_directory(wiki.pages)
 
         grouped_entries.each_with_index do |page_or_dir, i|
           expected_page_or_dir = expected_grouped_entries[i]
@@ -56,7 +56,7 @@ describe WikiPage do
         expected_order = ['page_1', 'dir_1/page_2', 'dir_1/dir_1_1/page_3',
                           'dir_2/page_4', 'dir_2/page_5']
 
-        grouped_entries = WikiPage.group_by_directory(wiki.pages)
+        grouped_entries = described_class.group_by_directory(wiki.pages)
 
         actual_order =
           grouped_entries.map do |page_or_dir|
@@ -72,7 +72,7 @@ describe WikiPage do
     it 'removes hyphens from a name' do
       name = 'a-name--with-hyphens'
 
-      expect(WikiPage.unhyphenize(name)).to eq('a name with hyphens')
+      expect(described_class.unhyphenize(name)).to eq('a name with hyphens')
     end
   end
 
@@ -81,7 +81,7 @@ describe WikiPage do
       before do
         create_page("test page", "test content")
         @page = wiki.wiki.paged("test page")
-        @wiki_page = WikiPage.new(wiki, @page, true)
+        @wiki_page = described_class.new(wiki, @page, true)
       end
 
       it "sets the slug attribute" do