Start on Rack::Test integration

Rakefile

@@ -106,7 +106,7 @@ end
 
 namespace :spec do
   desc "Run the integration specs"
-  task :integration => ["integration:rails", "integration:merb", "integration:sinatra"]
+  task :integration => ["integration:rails", "integration:merb", "integration:sinatra", "integration:rack"]
 
   namespace :integration do
     desc "Run the Rails integration specs"
@@ -140,7 +140,15 @@ namespace :spec do
     task :sinatra do
       Dir.chdir "spec/integration/sinatra" do
         result = system "rake test"
-        raise "Sinatra tntegration tests failed" unless result
+        raise "Sinatra integration tests failed" unless result
+      end
+    end
+    
+    desc "Run the Sinatra integration specs"
+    task :rack do
+      Dir.chdir "spec/integration/rack" do
+        result = system "rake test"
+        raise "Rack integration tests failed" unless result
       end
     end
   end

lib/webrat/core/methods.rb

@@ -16,8 +16,12 @@ module Webrat
     end
 
     def webrat_session
+      if Webrat.configuration.mode == :rack_test
+        @_webrat_session ||= ::Webrat::RackTestSession.new(rack_test_session)
+      else
         @_webrat_session ||= ::Webrat.session_class.new(self)
       end
+    end
 
     # all of these methods delegate to the @session, which should
     # be created transparently.

lib/webrat/core/session.rb

@@ -26,6 +26,8 @@ module Webrat
       SinatraSession
     when :mechanize
       MechanizeSession
+    when :rack_test
+      RackTestSession
     else
       raise WebratError.new(<<-STR)
 Unknown Webrat mode: #{Webrat.configuration.mode.inspect}
@@ -122,11 +124,8 @@ For example:
 
       url = canonicalize_url(url)
       debug_log "REQUESTING PAGE: #{http_method.to_s.upcase} #{url} with #{data.inspect} and HTTP headers #{h.inspect}"
-      if h.empty?
-        send "#{http_method}", url, data || {}
-      else
-        send "#{http_method}", url, data || {}, h
-      end
+
+      process_request(http_method, url, data, h)
 
       save_and_open_page if exception_caught? && Webrat.configuration.open_error_files?
       raise PageLoadError.new("Page load was not successful (Code: #{response_code.inspect}):\n#{formatted_error}") unless success_code?
@@ -281,6 +280,14 @@ For example:
 
   private
 
+    def process_request(http_method, url, data, headers)
+      if headers.empty?
+        send "#{http_method}", url, data || {}
+      else
+        send "#{http_method}", url, data || {}, headers
+      end
+    end
+    
     def response_location
       canonicalize_url(response.headers["Location"])
     end

lib/webrat/rack_test.rb

@@ -0,0 +1,32 @@
+module Webrat
+  class RackTestSession < Session
+    
+    def initialize(rack_test_session) #:nodoc:
+      super()
+      @rack_test_session = rack_test_session
+    end
+    
+    def response_body
+      response.body
+    end
+    
+    def response_code
+      response.status
+    end
+    
+    def response
+      @rack_test_session.last_response
+    end
+    
+  protected
+  
+    def process_request(http_method, url, data = {}, headers = {})
+      headers ||= {}
+      data    ||= {}
+      
+      env = headers.merge(:params => data, :method => http_method.to_s.upcase)
+      @rack_test_session.request(url, env)
+    end
+    
+  end
+end

spec/integration/rack/Rakefile

@@ -0,0 +1,5 @@
+require "rake/testtask"
+
+Rake::TestTask.new do |t|
+  t.test_files = FileList["test/*_test.rb"]
+end

spec/integration/rack/rack_app.rb

@@ -0,0 +1,16 @@
+require "rubygems"
+require "sinatra/base"
+
+class RackApp < Sinatra::Default
+  get "/" do
+    "Hello World"
+  end
+
+  get "/redirect_absolute_url" do
+    redirect URI.join(request.url, "foo").to_s
+  end
+
+  get "/foo" do
+    "spam"
+  end
+end

spec/integration/rack/test/test_helper.rb

@@ -0,0 +1,20 @@
+require "rubygems"
+require "test/unit"
+require "rack/test"
+require "redgreen"
+
+require File.dirname(__FILE__) + "/../../../../lib/webrat"
+
+Webrat.configure do |config|
+  config.mode = :rack_test
+end
+
+class Test::Unit::TestCase
+  include Rack::Test::Methods
+  include Webrat::Methods
+  include Webrat::Matchers
+  
+  def app
+    RackApp.new
+  end
+end

spec/integration/rack/test/webrat_rack_test.rb

@@ -0,0 +1,67 @@
+require File.dirname(__FILE__) + "/test_helper"
+require File.dirname(__FILE__) + "/../rack_app"
+
+class WebratRackTest < Test::Unit::TestCase
+  def test_visit_returns_response
+    response = visit "/"
+    assert response.ok?
+  end
+  
+  def test_last_response_is_available
+    visit "/"
+    assert last_response.ok?
+  end
+  
+  def test_last_request_is_available
+    visit "/"
+    assert_equal "/", last_request.env["PATH_INFO"]
+  end
+
+  def test_redirects
+    visit "/redirect_absolute_url"
+    assert_equal "spam", response_body
+  end
+  
+  def test_assertions_after_visit
+    visit "/"
+    assert_contain "Hello World"
+  end
+  
+  def test_assertions_after_visit
+    get "/"
+    assert_contain "Hello World"
+  end
+  
+  # def test_visits_pages
+  #   visit "/"
+  #   assert response_body.include?("visit")
+  # 
+  #   click_link "there"
+  #   assert response_body.include?('<form method="post" action="/go">')
+  # end
+  # 
+  # def test_submits_form
+  #   visit "/go"
+  #   fill_in "Name", :with => "World"
+  #   fill_in "Email", :with => "world@example.org"
+  #   click_button "Submit"
+  # 
+  #   assert response_body.include?("Hello, World")
+  #   assert response_body.include?("Your email is: world@example.org")
+  # end
+  # 
+  # def test_check_value_of_field
+  #   visit "/"
+  #   assert field_labeled("Prefilled").value, "text"
+  # end
+  # 
+  # def test_follows_internal_redirects
+  #   visit "/internal_redirect"
+  #   assert response_body.include?("visit")
+  # end
+  # 
+  # def test_does_not_follow_external_redirects
+  #   visit "/external_redirect"
+  #   assert response_code == 302
+  # end
+end