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

spec/models/active_record/active_record_relation_methods_spec.rb

@@ -1,6 +1,7 @@
 require 'spec_helper'
 
-describe Kaminari::ActiveRecordRelationMethods do
+if defined? ActiveRecord
+  describe Kaminari::ActiveRecordRelationMethods do
     describe '#total_count' do
       before do
         @author = User.create! :name => 'author'
@@ -25,4 +26,5 @@ describe Kaminari::ActiveRecordRelationMethods do
         end
       end
     end
+  end
 end

spec/models/active_record/default_per_page_spec.rb

@@ -1,6 +1,8 @@
 require 'spec_helper'
 
-describe 'default per_page' do
+if defined? ActiveRecord
+
+  describe 'default per_page' do
     describe 'AR::Base' do
       subject { ActiveRecord::Base }
       it { should_not respond_to :paginates_per }
@@ -26,4 +28,5 @@ describe 'default per_page' do
         after { User.paginates_per nil }
       end
     end
+  end
 end

spec/models/active_record/scopes_spec.rb

@@ -1,15 +1,17 @@
 require 'spec_helper'
 
-shared_examples_for 'the first page' do
+if defined? ActiveRecord
+
+  shared_examples_for 'the first page' do
     it { should have(25).users }
     its('first.name') { should == 'user001' }
-end
+  end
 
-shared_examples_for 'blank page' do
+  shared_examples_for 'blank page' do
     it { should have(0).users }
-end
+  end
 
-describe Kaminari::ActiveRecordExtension do
+  describe Kaminari::ActiveRecordExtension do
     before do
       1.upto(100) {|i| User.create! :name => "user#{'%03d' % i}", :age => (i / 10)}
       1.upto(100) {|i| GemDefinedModel.create! :name => "user#{'%03d' % i}", :age => (i / 10)}
@@ -160,4 +162,5 @@ describe Kaminari::ActiveRecordExtension do
         end
       end
     end
+  end
 end

spec/models/data_mapper/data_mapper_spec.rb

@@ -1,10 +1,9 @@
 require 'spec_helper'
-require 'dm-core'
-require 'dm-migrations'
-require 'dm-aggregates'
-require 'kaminari/models/data_mapper_extension'
 
-describe Kaminari::DataMapperExtension do
+if defined? DataMapper
+  require 'kaminari/models/data_mapper_extension'
+
+  describe Kaminari::DataMapperExtension do
     before :all do
       DataMapper.setup(:default, 'sqlite::memory:')
 
@@ -180,4 +179,5 @@ describe Kaminari::DataMapperExtension do
         its(:num_pages) { should == 10 }
       end
     end
+  end
 end

spec/models/mongo_mapper/mongo_mapper_spec.rb

@@ -1,8 +1,10 @@
 require 'spec_helper'
-require 'mongo_mapper'
-require 'kaminari/models/mongo_mapper_extension'
 
-describe Kaminari::MongoMapperExtension do
+if defined? MongoMapper
+  require 'mongo_mapper'
+  require 'kaminari/models/mongo_mapper_extension'
+
+  describe Kaminari::MongoMapperExtension do
 
     before do
       begin
@@ -83,4 +85,5 @@ describe Kaminari::MongoMapperExtension do
       its(:num_pages) { should == 5 }
       it { should skip 10 }
     end
+  end
 end

spec/models/mongoid/mongoid_spec.rb

@@ -1,8 +1,10 @@
 require 'spec_helper'
-require 'mongoid'
-require 'kaminari/models/mongoid_extension'
 
-describe Kaminari::MongoidExtension do
+if defined? Mongoid
+  require 'mongoid'
+  require 'kaminari/models/mongoid_extension'
+
+  describe Kaminari::MongoidExtension do
 
     before do
       begin
@@ -142,4 +144,5 @@ describe Kaminari::MongoidExtension do
         its(:num_pages) { should == 2 }
       end
     end
+  end
 end