[AR, DM, Mongoid, MongoMapper].each {|orm| run orm specs only if orm is loaded }

spec/models/active_record/active_record_relation_methods_spec.rb

@@ -1,5 +1,6 @@
 require 'spec_helper'
 
+if defined? ActiveRecord
   describe Kaminari::ActiveRecordRelationMethods do
     describe '#total_count' do
       before do
@@ -26,3 +27,4 @@ describe Kaminari::ActiveRecordRelationMethods do
       end
     end
   end
+end

spec/models/active_record/default_per_page_spec.rb

@@ -1,5 +1,7 @@
 require 'spec_helper'
 
+if defined? ActiveRecord
+
   describe 'default per_page' do
     describe 'AR::Base' do
       subject { ActiveRecord::Base }
@@ -27,3 +29,4 @@ describe 'default per_page' do
       end
     end
   end
+end

spec/models/active_record/scopes_spec.rb

@@ -1,5 +1,7 @@
 require 'spec_helper'
 
+if defined? ActiveRecord
+
   shared_examples_for 'the first page' do
     it { should have(25).users }
     its('first.name') { should == 'user001' }
@@ -161,3 +163,4 @@ describe Kaminari::ActiveRecordExtension do
       end
     end
   end
+end

spec/models/data_mapper/data_mapper_spec.rb

@@ -1,7 +1,6 @@
 require 'spec_helper'
-require 'dm-core'
-require 'dm-migrations'
-require 'dm-aggregates'
+
+if defined? DataMapper
   require 'kaminari/models/data_mapper_extension'
 
   describe Kaminari::DataMapperExtension do
@@ -181,3 +180,4 @@ describe Kaminari::DataMapperExtension do
       end
     end
   end
+end

spec/models/mongo_mapper/mongo_mapper_spec.rb

@@ -1,4 +1,6 @@
 require 'spec_helper'
+
+if defined? MongoMapper
   require 'mongo_mapper'
   require 'kaminari/models/mongo_mapper_extension'
 
@@ -84,3 +86,4 @@ describe Kaminari::MongoMapperExtension do
       it { should skip 10 }
     end
   end
+end

spec/models/mongoid/mongoid_spec.rb

@@ -1,4 +1,6 @@
 require 'spec_helper'
+
+if defined? Mongoid
   require 'mongoid'
   require 'kaminari/models/mongoid_extension'
 
@@ -143,3 +145,4 @@ describe Kaminari::MongoidExtension do
       end
     end
   end
+end