Added a swanky DSL

lib/webcat/dsl.rb

@@ -0,0 +1,41 @@
+module Webcat
+  extend(self)
+
+  attr_writer :default_driver, :current_driver
+  attr_accessor :app
+
+  def default_driver
+    @default_driver || :rack_test
+  end
+
+  def current_driver
+    @current_driver || default_driver 
+  end
+  alias_method :mode, :current_driver
+
+  def use_default_driver
+    @current_driver = nil 
+  end
+
+  def current_session
+    session_pool["#{current_driver}#{app.object_id}"] ||= Webcat::Session.new(current_driver, app)
+  end
+  
+  SESSION_METHODS = [
+    :visit, :body, :click_link, :click_button, :fill_in, :choose,
+    :set_hidden_field, :check, :uncheck, :attach_file, :select
+  ]
+  SESSION_METHODS.each do |method|
+    class_eval <<-RUBY, __FILE__, __LINE__+1
+      def #{method}(*args, &block)
+        current_session.#{method}(*args, &block)
+      end
+    RUBY
+  end
+
+private
+
+  def session_pool
+    @session_pool ||= {}
+  end
+end

spec/dsl_spec.rb

@@ -0,0 +1,99 @@
+require File.expand_path('spec_helper', File.dirname(__FILE__))
+
+require 'webcat/dsl'
+
+describe Webcat do
+
+  before do
+    Webcat.app = TestApp
+  end
+
+  after do
+    Webcat.default_driver = nil
+    Webcat.use_default_driver
+  end
+
+  describe '#default_driver' do
+    it "should default to rack_test" do
+      Webcat.default_driver.should == :rack_test
+    end
+
+    it "should be changeable" do
+      Webcat.default_driver = :culerity
+      Webcat.default_driver.should == :culerity
+    end
+  end
+
+  describe '#current_driver' do
+    it "should default to the default driver" do
+      Webcat.current_driver.should == :rack_test
+      Webcat.default_driver = :culerity
+      Webcat.current_driver.should == :culerity
+    end
+
+    it "should be changeable" do
+      Webcat.current_driver = :culerity
+      Webcat.current_driver.should == :culerity
+    end
+  end
+
+  describe '#use_default_driver' do
+    it "should restore the default driver" do
+      Webcat.current_driver = :culerity
+      Webcat.use_default_driver
+      Webcat.current_driver.should == :rack_test
+    end
+  end
+
+  describe '#app' do
+    it "should be changeable" do
+      Webcat.app = "foobar"
+      Webcat.app.should == 'foobar'
+    end
+  end
+
+  describe '#current_session' do
+    it "should choose a session object of the current driver type" do
+      Webcat.current_session.should be_a(Webcat::Session)
+    end
+
+    it "should use #app as the application" do
+      Webcat.app = proc {}
+      Webcat.current_session.app.should == Webcat.app
+    end
+
+    it "should change with the current driver" do
+      Webcat.current_session.mode.should == :rack_test
+      Webcat.current_driver = :culerity
+      Webcat.current_session.mode.should == :culerity
+    end
+
+    it "should be persistent even across driver changes" do
+      object_id = Webcat.current_session.object_id
+      Webcat.current_session.object_id.should == object_id
+      Webcat.current_driver = :culerity
+      Webcat.current_session.mode.should == :culerity
+      Webcat.current_session.object_id.should_not == object_id
+
+      Webcat.current_driver = :rack_test
+      Webcat.current_session.object_id.should == object_id
+    end
+
+    it "should change when changing application" do
+      object_id = Webcat.current_session.object_id
+      Webcat.current_session.object_id.should == object_id
+      Webcat.app = proc {}
+      Webcat.current_session.object_id.should_not == object_id
+      Webcat.current_session.app.should == Webcat.app
+    end
+  end
+
+  describe 'the DSL' do
+    before do
+      @session = Webcat
+    end
+
+    it_should_behave_like "session"
+  end
+
+end