Use more explicit ActiveRecord::VERSION::MAJOR

lib/ransack/constants.rb

@@ -23,7 +23,7 @@ module Ransack
     module_function
     # replace % \ to \% \\
     def escape_wildcards(unescaped)
-      if ActiveRecord::VERSION::STRING =~ /^3/
+      if ActiveRecord::VERSION::MAJOR == 3
         unescaped.to_s.gsub(/([\\|\%|.])/, '\\\\\\1')
       else
         unescaped.to_s.gsub(/\\/){ "\\\\" }.gsub(/%/, "\\%")

spec/ransack/predicate_spec.rb

@@ -14,7 +14,7 @@ module Ransack
       end
 
       it (
-        if ActiveRecord::VERSION::STRING =~ /^3/
+        if ActiveRecord::VERSION::MAJOR == 3
           "escapes '%', '.' and '\\\\' in value"
         else
           "escapes % and \\ in value"
@@ -45,7 +45,7 @@ module Ransack
     describe 'cont' do
   
       it_has_behavior 'wildcard escaping', :name_cont, (
-        if ActiveRecord::VERSION::STRING =~ /^3/
+        if ActiveRecord::VERSION::MAJOR == 3
           /"people"."name" LIKE '%\\%\\._\\\\%'/
         else
           /"people"."name" LIKE '%\\%._\\\\%'/ 
@@ -61,7 +61,7 @@ module Ransack
 
     describe 'not_cont' do
       it_has_behavior 'wildcard escaping', :name_not_cont, (
-        if ActiveRecord::VERSION::STRING =~ /^3/
+        if ActiveRecord::VERSION::MAJOR == 3
           /"people"."name" NOT LIKE '%\\%\\._\\\\%'/
         else
           /"people"."name" NOT LIKE '%\\%._\\\\%'/

spec/ransack/search_spec.rb

@@ -167,7 +167,7 @@ module Ransack
 
       it 'returns distinct records when passed :distinct => true' do
         search = Search.new(Person, :g => [{:m => 'or', :comments_body_cont => 'e', :articles_comments_body_cont => 'e'}])
-        if ActiveRecord::VERSION::STRING =~ /^3/
+        if ActiveRecord::VERSION::MAJOR == 3
           all_or_load, uniq_or_distinct = :all, :uniq
         else
           all_or_load, uniq_or_distinct = :load, :distinct

spec/support/schema.rb

@@ -6,7 +6,7 @@ ActiveRecord::Base.establish_connection(
 )
 
 class Person < ActiveRecord::Base
-  if ActiveRecord::VERSION::STRING =~ /^3/
+  if ActiveRecord::VERSION::MAJOR == 3
     default_scope order('id DESC')
   else
     default_scope { order(id: :desc) }