1 files changed, 116 insertions, 0 deletions
diff --git a/railties/test/railties/generators_test.rb b/railties/test/railties/generators_test.rb
new file mode 100644
index 0000000000..f8540d69d9
--- /dev/null
+++ b/railties/test/railties/generators_test.rb
@@ -0,0 +1,116 @@
+RAILS_ISOLATED_ENGINE = true
+require "isolation/abstract_unit"
+
+require 'generators/generators_test_helper'
+require "rails/generators/test_case"
+
+module RailtiesTests
+  class GeneratorTest < 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 bundled_rails(cmd)
+      `bundle exec rails #{cmd}`
+    end
+
+    def rails(cmd)
+      environment = File.expand_path('../../../../load_paths', __FILE__)
+      if File.exist?("#{environment}.rb")
+        require_environment = "-r #{environment}"
+      end
+      `#{Gem.ruby} #{require_environment} #{RAILS_FRAMEWORK_ROOT}/railties/bin/rails #{cmd}`
+    end
+
+    def build_engine(is_mountable=false)
+      FileUtils.rm_rf(engine_path)
+      FileUtils.mkdir_p(engine_path)
+
+      mountable = is_mountable ? "--mountable" : ""
+
+      rails("plugin new #{engine_path} --full #{mountable}")
+
+      Dir.chdir(engine_path) do
+        File.open("Gemfile", "w") do |f|
+          f.write <<-GEMFILE.gsub(/^ {12}/, '')
+            source "http://rubygems.org"
+
+            gem 'rails', :path => '#{RAILS_FRAMEWORK_ROOT}'
+            gem 'sqlite3'
+
+            if RUBY_VERSION < '1.9'
+              gem "ruby-debug", ">= 0.10.3"
+            end
+          GEMFILE
+        end
+      end
+    end
+
+    def build_mountable_engine
+      build_engine(true)
+    end
+
+    def test_controllers_are_correctly_namespaced_when_engine_is_mountable
+      build_mountable_engine
+      Dir.chdir(engine_path) do
+        bundled_rails("g controller topics")
+        assert_file "app/controllers/foo_bar/topics_controller.rb", /module FooBar\n  class TopicsController/
+        assert_no_file "app/controllers/topics_controller.rb"
+      end
+    end
+
+    def test_models_are_correctly_namespaced_when_engine_is_mountable
+      build_mountable_engine
+      Dir.chdir(engine_path) do
+        bundled_rails("g model topic")
+        assert_file "app/models/foo_bar/topic.rb", /module FooBar\n  class Topic/
+        assert_no_file "app/models/topic.rb"
+      end
+    end
+
+    def test_helpers_are_correctly_namespaced_when_engine_is_mountable
+      build_mountable_engine
+      Dir.chdir(engine_path) do
+        bundled_rails("g helper topics")
+        assert_file "app/helpers/foo_bar/topics_helper.rb", /module FooBar\n  module TopicsHelper/
+        assert_no_file "app/helpers/topics_helper.rb"
+      end
+    end
+
+    def test_controllers_are_not_namespaced_when_engine_is_not_mountable
+      build_engine
+      Dir.chdir(engine_path) do
+        bundled_rails("g controller topics")
+        assert_file "app/controllers/topics_controller.rb", /class TopicsController/
+        assert_no_file "app/controllers/foo_bar/topics_controller.rb"
+      end
+    end
+
+    def test_models_are_not_namespaced_when_engine_is_not_mountable
+      build_engine
+      Dir.chdir(engine_path) do
+        bundled_rails("g model topic")
+        assert_file "app/models/topic.rb", /class Topic/
+        assert_no_file "app/models/foo_bar/topic.rb"
+      end
+    end
+
+    def test_helpers_are_not_namespaced_when_engine_is_not_mountable
+      build_engine
+      Dir.chdir(engine_path) do
+        bundled_rails("g helper topics")
+        assert_file "app/helpers/topics_helper.rb", /module TopicsHelper/
+        assert_no_file "app/helpers/foo_bar/topics_helper.rb"
+      end
+    end
+  end
+end