Extend basic rendering, test it in railties

2 files changed, 68 insertions, 0 deletions

diff --git a/railties/test/application/basic_rendering_test.rb b/railties/test/application/basic_rendering_test.rb
new file mode 100644
index 0000000000..00ba433a05
--- /dev/null
+++ b/railties/test/application/basic_rendering_test.rb
@@ -0,0 +1,62 @@
+require 'isolation/abstract_unit'
+require 'rack/test'
+
+module ApplicationTests
+  class BasicRenderingTest < ActiveSupport::TestCase
+    include ActiveSupport::Testing::Isolation
+    include Rack::Test::Methods
+
+    def setup
+      build_app
+    end
+
+    def teardown
+      teardown_app
+    end
+
+    test "Rendering without ActionView" do
+      gsub_app_file 'config/application.rb', "require 'rails/all'", <<-RUBY
+        require "active_model/railtie"
+        require "action_controller/railtie"
+      RUBY
+
+      # Turn off ActionView and jquery-rails (it depends on AV)
+      $:.reject! {|path| path =~ /(actionview|jquery\-rails)/ }
+      boot_rails
+
+      app_file 'app/controllers/pages_controller.rb', <<-RUBY
+        class PagesController < ApplicationController
+          def render_hello_world
+            render text: "Hello World!"
+          end
+
+          def render_nothing
+            render nothing: true
+          end
+
+          def no_render; end
+
+          def raise_error
+            render foo: "bar"
+          end
+        end
+      RUBY
+
+      get '/pages/render_hello_world'
+      assert_equal 200, last_response.status
+      assert_equal "Hello World!", last_response.body
+      assert_equal "text/plain; charset=utf-8", last_response.content_type
+
+      get '/pages/render_nothing'
+      assert_equal 200, last_response.status
+      assert_equal " ", last_response.body
+      assert_equal "text/plain; charset=utf-8", last_response.content_type
+
+      get '/pages/no_render'
+      assert_equal 500, last_response.status
+
+      get '/pages/raise_error'
+      assert_equal 500, last_response.status
+    end
+  end
+end
diff --git a/railties/test/isolation/abstract_unit.rb b/railties/test/isolation/abstract_unit.rb
index ab3ca106dc..913e2b5e29 100644
--- a/railties/test/isolation/abstract_unit.rb
+++ b/railties/test/isolation/abstract_unit.rb
@@ -243,6 +243,12 @@ module TestHelpers
       end
     end
 
+    def gsub_app_file(path, regexp, *args, &block)
+      path = "#{app_path}/#{path}"
+      content = File.read(path).gsub(regexp, *args, &block)
+      File.open(path, 'wb') { |f| f.write(content) }
+    end
+
     def remove_file(path)
       FileUtils.rm_rf "#{app_path}/#{path}"
     end