Fix Lint/ConstantDefinitionInBlock cop (#24763)

spec/controllers/api/base_controller_spec.rb

@@ -74,7 +74,11 @@ describe Api::BaseController do
   end
 
   describe 'error handling' do
-    ERRORS_WITH_CODES = {
+    before do
+      routes.draw { get 'error' => 'api/base#error' }
+    end
+
+    {
       ActiveRecord::RecordInvalid => 422,
       Mastodon::ValidationError => 422,
       ActiveRecord::RecordNotFound => 404,
@@ -82,13 +86,7 @@ describe Api::BaseController do
       HTTP::Error => 503,
       OpenSSL::SSL::SSLError => 503,
       Mastodon::NotPermittedError => 403,
-    }
-
-    before do
-      routes.draw { get 'error' => 'api/base#error' }
-    end
-
-    ERRORS_WITH_CODES.each do |error, code|
+    }.each do |error, code|
       it "Handles error class of #{error}" do
         expect(FakeService).to receive(:new).and_raise(error)
 

spec/controllers/application_controller_spec.rb

@@ -223,14 +223,16 @@ describe ApplicationController, type: :controller do
   end
 
   describe 'cache_collection' do
-    class C < ApplicationController
-      public :cache_collection
+    subject do
+      Class.new(ApplicationController) do
+        public :cache_collection
+      end
     end
 
     shared_examples 'receives :with_includes' do |fabricator, klass|
       it 'uses raw if it is not an ActiveRecord::Relation' do
         record = Fabricate(fabricator)
-        expect(C.new.cache_collection([record], klass)).to eq [record]
+        expect(subject.new.cache_collection([record], klass)).to eq [record]
       end
     end
 
@@ -241,13 +243,13 @@ describe ApplicationController, type: :controller do
         record = Fabricate(fabricator)
         relation = klass.none
         allow(relation).to receive(:cache_ids).and_return([record])
-        expect(C.new.cache_collection(relation, klass)).to eq [record]
+        expect(subject.new.cache_collection(relation, klass)).to eq [record]
       end
     end
 
     it 'returns raw unless class responds to :with_includes' do
       raw = Object.new
-      expect(C.new.cache_collection(raw, Object)).to eq raw
+      expect(subject.new.cache_collection(raw, Object)).to eq raw
     end
 
     context 'Status' do

spec/controllers/concerns/accountable_concern_spec.rb

@@ -3,18 +3,20 @@
 require 'rails_helper'
 
 RSpec.describe AccountableConcern do
-  class Hoge
-    include AccountableConcern
-    attr_reader :current_account
+  let(:hoge_class) do
+    Class.new do
+      include AccountableConcern
+      attr_reader :current_account
 
-    def initialize(current_account)
-      @current_account = current_account
+      def initialize(current_account)
+        @current_account = current_account
+      end
     end
   end
 
   let(:user)   { Fabricate(:account) }
   let(:target) { Fabricate(:account) }
-  let(:hoge)   { Hoge.new(user) }
+  let(:hoge)   { hoge_class.new(user) }
 
   describe '#log_action' do
     it 'creates Admin::ActionLog' do

spec/controllers/concerns/signature_verification_spec.rb

@@ -3,14 +3,16 @@
 require 'rails_helper'
 
 describe ApplicationController, type: :controller do
-  class WrappedActor
-    attr_reader :wrapped_account
+  let(:wrapped_actor_class) do
+    Class.new do
+      attr_reader :wrapped_account
 
-    def initialize(wrapped_account)
-      @wrapped_account = wrapped_account
+      def initialize(wrapped_account)
+        @wrapped_account = wrapped_account
+      end
+
+      delegate :uri, :keypair, to: :wrapped_account
     end
-
-    delegate :uri, :keypair, to: :wrapped_account
   end
 
   controller do
@@ -93,7 +95,7 @@ describe ApplicationController, type: :controller do
     end
 
     context 'with a valid actor that is not an Account' do
-      let(:actor) { WrappedActor.new(author) }
+      let(:actor) { wrapped_actor_class.new(author) }
 
       before do
         get :success