Replace custom query counter with new gem rspec-sql

.rubocop_todo.yml

@@ -889,7 +889,6 @@ Style/PreferredHashMethods:
 Style/RedundantArgument:
   Exclude:
     - 'engines/dfc_provider/app/services/authorization_control.rb'
-    - 'spec/support/query_counter.rb'
 
 # Offense count: 1
 # This cop supports safe autocorrection (--autocorrect).

spec/controllers/admin/order_cycles_controller_spec.rb

@@ -132,9 +132,9 @@ module Admin
           end
 
           it do
-            query_counter = QueryCounter.new
-            get :show, params: { id: order_cycle.id }, as: :json
-            expect(query_counter.queries).to eq(
+            expect {
+              get :show, params: { id: order_cycle.id }, as: :json
+            }.to query_database(
               {
                 select: {
                   enterprise_fees: 3,
@@ -151,7 +151,6 @@ module Admin
                 update: { spree_users: 1 }
               }
             )
-            query_counter.stop
           end
         end
       end

spec/support/query_counter.rb

@@ -1,48 +0,0 @@
-# frozen_string_literal: true
-
-class QueryCounter
-  QUERY_TYPES = [:delete, :insert, :select, :update].freeze
-
-  attr_reader :queries
-
-  def initialize
-    @queries = {}
-    @subscriber = ActiveSupport::Notifications.
-      subscribe("sql.active_record") do |_name, _started, _finished, _unique_id, payload|
-      type = get_type(payload[:sql])
-      next if QUERY_TYPES.exclude?(type) || pg_query?(payload[:sql])
-
-      table = get_table(payload[:sql])
-      @queries[type] ||= {}
-      @queries[type][table] ||= 0
-      @queries[type][table] += 1
-    end
-  end
-
-  def stop
-    ActiveSupport::Notifications.unsubscribe("sql.active_record")
-  end
-
-  private
-
-  def get_table(sql)
-    sql_parts = sql.split(" ")
-    case get_type(sql)
-    when :insert
-      sql_parts[3]
-    when :update
-      sql_parts[1]
-    else
-      table_index = sql_parts.index("FROM")
-      sql_parts[table_index + 1]
-    end.gsub(/(\\|")/, "").to_sym
-  end
-
-  def get_type(sql)
-    sql.split(" ")[0].downcase.to_sym
-  end
-
-  def pg_query?(sql)
-    sql.include?("SELECT a.attname") || sql.include?("pg_attribute")
-  end
-end