Add beginnings of test for generators within the context of an engine

1 files changed, 54 insertions, 0 deletions

diff --git a/railties/test/engine/generators_test.rb b/railties/test/engine/generators_test.rb
new file mode 100644
index 0000000000..6b2c83275b
--- /dev/null
+++ b/railties/test/engine/generators_test.rb
@@ -0,0 +1,54 @@
+# require 'isolation/abstract_unit'
+
+require 'fileutils'
+
+require 'test/unit'
+require 'rubygems'
+
+# TODO: Remove setting this magic constant
+RAILS_FRAMEWORK_ROOT = File.expand_path("#{File.dirname(__FILE__)}/../../..")
+
+# These files do not require any others and are needed
+# to run the tests
+require "#{RAILS_FRAMEWORK_ROOT}/activesupport/lib/active_support/testing/isolation"
+require "#{RAILS_FRAMEWORK_ROOT}/activesupport/lib/active_support/testing/declarative"
+require "#{RAILS_FRAMEWORK_ROOT}/activesupport/lib/active_support/core_ext/kernel/reporting"
+require "#{RAILS_FRAMEWORK_ROOT}/railties/lib/rails/generators/test_case"
+
+module EngineTests
+  class ControllerGenerator < Rails::Generators::TestCase
+    include ActiveSupport::Testing::Isolation
+    
+    TMP_PATH = File.expand_path(File.join(File.dirname(__FILE__), *%w[.. .. tmp]))
+    self.destination_root = File.join(TMP_PATH, "foo_bar")
+
+    def tmp_path(*args)
+      File.join(TMP_PATH, *args)
+    end
+    
+    def engine_path
+      tmp_path('foo_bar')
+    end
+    
+    def build_engine
+      FileUtils.mkdir_p(engine_path)
+      FileUtils.rm_r(engine_path)
+      environment = File.expand_path('../../../../load_paths', __FILE__)
+      if File.exist?("#{environment}.rb")
+        require_environment = "-r #{environment}"
+      end
+      `#{Gem.ruby} #{require_environment} #{RAILS_FRAMEWORK_ROOT}/bin/rails plugin new #{engine_path} --full --mountable`
+    end
+
+    def setup
+      build_engine
+    end
+    
+    def test_omg
+      Dir.chdir(engine_path) do
+        `rails g controller topics`
+        assert_file "app/controllers/foo_bar/topics_controller.rb"
+      end
+    end
+  end
+end