Add stubs for comamnd classes.

lib/cocoa_pods.rb

+module Pod
+  autoload :Command, 'cocoa_pods/command'
+end

lib/cocoa_pods/command.rb

+module Pod
+  module Command
+    autoload :Help,  'cocoa_pods/command/help'
+    autoload :Setup, 'cocoa_pods/command/setup'
+    autoload :Spec,  'cocoa_pods/command/spec'
+    autoload :Repo,  'cocoa_pods/command/repo'
+
+    def self.parse(*argv)
+      argv = argv.dup
+      command = case argv.shift
+      when 'help'  then Help
+      when 'setup' then Setup
+      when 'spec'  then Spec
+      when 'repo'  then Repo
+      end
+      command.new(*argv)
+    end
+  end
+end

lib/cocoa_pods/command/help.rb

+module Pod
+  module Command
+    class Help
+    end
+  end
+end

lib/cocoa_pods/command/repo.rb

+module Pod
+  module Command
+    class Repo
+    end
+  end
+end
+

lib/cocoa_pods/command/setup.rb

+module Pod
+  module Command
+    class Setup
+    end
+  end
+end

lib/cocoa_pods/command/spec.rb

+module Pod
+  module Command
+    class Spec
+    end
+  end
+end

spec/spec_helper.rb

+require 'rubygems'
+require 'mac_bacon'
+
+$:.unshift File.expand_path('../../lib', __FILE__)
+require 'cocoa_pods'

spec/unit/command_spec.rb

+require File.expand_path('../../spec_helper', __FILE__)
+
+describe "Pod::Command" do
+  it "returns the proper command class" do
+    Pod::Command.parse("help").should.be.instance_of Pod::Command::Help
+    Pod::Command.parse("setup").should.be.instance_of Pod::Command::Setup
+    Pod::Command.parse("spec").should.be.instance_of Pod::Command::Spec
+    Pod::Command.parse("repo").should.be.instance_of Pod::Command::Repo
+  end
+end