configure Sinatra + RSpec + Capybara + Kaminari

spec/fake_app/sinatra_app.rb

@@ -0,0 +1,22 @@
+require 'fake_app/active_record/config' if defined? ActiveRecord
+require 'fake_app/data_mapper/config' if defined? DataMapper
+require 'fake_app/mongoid/config' if defined? Mongoid
+require 'fake_app/mongo_mapper/config' if defined? MongoMapper
+
+#models
+require 'fake_app/active_record/models' if defined? ActiveRecord
+require 'fake_app/data_mapper/models' if defined? DataMapper
+require 'fake_app/mongoid/models' if defined? Mongoid
+require 'fake_app/mongo_mapper/models' if defined? MongoMapper
+
+class SinatraApp < Sinatra::Base
+  register Kaminari::Helpers::SinatraHelpers
+
+  get '/users' do
+    @users = User.page params[:page]
+    erb <<-ERB
+<%= @users.map(&:name).join("\n") %>
+<%= paginate @users %>
+ERB
+  end
+end

spec/spec_helper_for_sinatra.rb

@@ -1,10 +1,32 @@
 require 'kaminari/sinatra'
 require 'rack/test'
 require 'sinatra/test_helpers'
+require 'capybara/dsl'
+require 'capybara/rspec'
+
+require 'fake_app/sinatra_app'
+
+Capybara.app = SinatraApp
+
+module HelperMethodForHelperSpec
+  module FakeEnv
+    def env
+      {'PATH_INFO' => '/'}
+    end
+  end
+
+  def helper
+    # OMG terrible object...
+    Kaminari::Helpers::SinatraHelpers::ActionViewTemplateProxy.new(:current_params => {}, :current_path => '/', :param_name => Kaminari.config.param_name).extend(Padrino::Helpers, Kaminari::ActionViewExtension, Kaminari::Helpers::SinatraHelpers::HelperMethods, FakeEnv)
+  end
+end
 
 RSpec.configure do |config|
   config.include Rack::Test::Methods
   config.include Sinatra::TestHelpers
+  config.include Capybara::DSL
+  config.include HelperMethodForHelperSpec
+#   config.include HelperMethodForHelperSpec, :type => :helper
 end
 
 require 'nokogiri'