tests for AR group query

spec/fake_app.rb

@@ -42,7 +42,7 @@ Object.const_set(:ApplicationHelper, Module.new)
 #migrations
 class CreateAllTables < ActiveRecord::Migration
   def self.up
-    create_table(:users) {|t| t.string :name }
-    create_table(:books) {|t| t.string :title }
+    create_table(:users) {|t| t.string :name; t.integer :age}
+    create_table(:books) {|t| t.string :title}
   end
 end

spec/models/scopes_spec.rb

@@ -3,7 +3,7 @@ require File.expand_path('../spec_helper', File.dirname(__FILE__))
 describe Kaminari::ActiveRecordExtension do
   before :all do
     User.delete_all
-    1.upto(100) {|i| User.create! :name => "user#{'%03d' % i}" }
+    1.upto(100) {|i| User.create! :name => "user#{'%03d' % i}", :age => (i / 10)}
   end
 
   describe '#page' do
@@ -94,4 +94,11 @@ describe Kaminari::ActiveRecordExtension do
       its(:current_page) { should == 2 }
     end
   end
+
+  context 'chained with .group' do
+    subject { User.group('age').page(2).per 5 }
+    # 0..10
+    its(:total_count) { should == 11 }
+    its(:num_pages) { should == 3 }
+  end
 end