[Unit Tests] More complex rails generator helper method, and a more simple one.

test/command_line_helper.rb

@@ -85,7 +85,7 @@ module Compass::CommandLineHelper
       yield
     end
   ensure
-    FileUtils.rm_r(d)
+    FileUtils.rm_rf(d)
   end
 
   def capture_output
@@ -99,8 +99,4 @@ module Compass::CommandLineHelper
   def execute(*arguments)
     Compass::Exec::Compass.new(arguments).run!
   end
-
-  def generate_rails_app(name)
-    `rails #{name}`
-  end
 end

test/rails_integration_test.rb

@@ -1,5 +1,4 @@
 require  File.join(File.dirname(__FILE__),'test_helper')
-require  File.join(File.dirname(__FILE__),'test_rails_helper')
 require 'fileutils'
 require 'compass'
 require 'compass/exec'
@@ -15,7 +14,7 @@ class RailsIntegrationTest < Test::Unit::TestCase
 
   def test_rails_install
     within_tmp_directory do
-      generate_rails_app("compass_rails")
+      generate_rails_app_directories("compass_rails")
       Dir.chdir "compass_rails" do
         compass("--rails", '--trace', ".") do |responder|
           responder.respond_to "Is this OK? (Y/n) ", :with => "Y", :required => true
@@ -30,4 +29,55 @@ class RailsIntegrationTest < Test::Unit::TestCase
     puts "Skipping rails test. Couldn't Load rails"
   end
 
+  def test_rails_install_with_no_dialog
+    within_tmp_directory do
+      generate_rails_app_directories("compass_rails")
+      Dir.chdir "compass_rails" do
+        compass(*%w(--rails --trace --sass-dir app/stylesheets --css-dir public/stylesheets/compiled .))
+        assert_action_performed :create, "./app/stylesheets/screen.sass"
+        assert_action_performed :create, "./config/initializers/compass.rb"
+      end
+    end
+  rescue LoadError
+    puts "Skipping rails test. Couldn't Load rails"
+  end
+
+
+  def generate_rails_app_directories(name)
+    Dir.mkdir name
+    Dir.mkdir File.join(name, "config")
+    Dir.mkdir File.join(name, "config", "initializers")
+  end
+
+  # Generate a rails application without polluting our current set of requires
+  # with the rails libraries. This will allow testing against multiple versions of rails
+  # by manipulating the load path.
+  def generate_rails_app(name)
+    if pid = fork
+      Process.wait(pid)
+      if $?.exitstatus == 2
+        raise LoadError, "Couldn't load rails"
+      elsif $?.exitstatus != 0
+        raise "Failed to generate rails application."
+      end
+    else
+      begin
+        require 'rails/version'
+        require 'rails_generator'
+        require 'rails_generator/scripts/generate'
+        Rails::Generator::Base.use_application_sources!
+        capture_output do
+          Rails::Generator::Base.logger = Rails::Generator::SimpleLogger.new $stdout
+          Rails::Generator::Scripts::Generate.new.run([name], :generator => 'app')
+        end
+      rescue LoadError
+        Kernel.exit(2)
+      rescue => e
+        $stderr.puts e
+        Kernel.exit!(1)
+      end
+      Kernel.exit!(0)
+    end
+  end
+
 end