diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | railties/lib/rails.rb | 2 | ||||
| -rw-r--r-- | railties/lib/rails/application.rb | 29 | ||||
| -rw-r--r-- | railties/test/application/load_test.rb | 56 | ||||
| -rw-r--r-- | railties/test/isolation/abstract_unit.rb | 107 |
5 files changed, 195 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore index ae8ebc4607..1c94c4b0f8 100644 --- a/.gitignore +++ b/.gitignore @@ -31,3 +31,4 @@ actionpack/bin vendor/gems/ */vendor/gems/ bin/ +railties/tmp diff --git a/railties/lib/rails.rb b/railties/lib/rails.rb new file mode 100644 index 0000000000..8c9bc799a4 --- /dev/null +++ b/railties/lib/rails.rb @@ -0,0 +1,2 @@ +require 'rails/application' +require 'rails/initializer' diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb new file mode 100644 index 0000000000..7b50d2622e --- /dev/null +++ b/railties/lib/rails/application.rb @@ -0,0 +1,29 @@ +require 'action_controller' + +module Rails + class Application + def self.load(path, options = {}) + config = options[:config] || 'config.ru' + config = File.join(path, config) + + if config =~ /\.ru$/ + cfgfile = File.read(config) + if cfgfile[/^#\\(.*)/] + opts.parse!($1.split(/\s+/)) + end + inner_app = eval("::Rack::Builder.new {( " + cfgfile + "\n )}.to_app", nil, config) + else + require config + inner_app = Object.const_get(File.basename(config, '.rb').capitalize) + end + end + + def initialize + @app = ActionController::Dispatcher.new + end + + def call(env) + @app.call(env) + end + end +end diff --git a/railties/test/application/load_test.rb b/railties/test/application/load_test.rb new file mode 100644 index 0000000000..6dda47bb8f --- /dev/null +++ b/railties/test/application/load_test.rb @@ -0,0 +1,56 @@ +require "isolation/abstract_unit" +require "rails" +require "rack" + +module ApplicationTests + class LoadTest < Test::Unit::TestCase + include ActiveSupport::Testing::Isolation + + def setup + build_app + end + + test "rails app is present" do + assert File.exist?(app_path("config")) + end + + test "running Rails::Application.load on the path returns a (vaguely) useful application" do + @app = Rails::Application.load app_path + assert_welcome get("/") + end + + test "config.ru is used" do + app_file "config.ru", <<-CONFIG + class MyMiddleware + def initialize(app) + @app = app + end + + def call(env) + status, headers, body = @app.call(env) + headers["Config-Ru-Test"] = "TESTING" + [status, headers, body] + end + end + + use MyMiddleware + run proc {|env| [200, {"Content-Type" => "text/html"}, ["VICTORY"]] } + CONFIG + + @app = Rails::Application.load app_path, :config => "config.ru" + + assert_body "VICTORY", get("/omg") + assert_header "Config-Ru-Test", "TESTING", get("/omg") + end + + test "arbitrary.rb can be used as a config" do + app_file "myapp.rb", <<-CONFIG + Myapp = proc {|env| [200, {"Content-Type" => "text/html"}, ["OMG ROBOTS"]] } + CONFIG + + @app = Rails::Application.load app_path, :config => "myapp.rb" + + assert_body "OMG ROBOTS", get("/omg") + end + end +end diff --git a/railties/test/isolation/abstract_unit.rb b/railties/test/isolation/abstract_unit.rb new file mode 100644 index 0000000000..d3fc1f3395 --- /dev/null +++ b/railties/test/isolation/abstract_unit.rb @@ -0,0 +1,107 @@ +# Note: +# It is important to keep this file as light as possible +# the goal for tests that require this is to test booting up +# rails from an empty state, so anything added here could +# hide potential failures +# +# It is also good to know what is the bare minimum to get +# Rails booted up. + +# TODO: Remove rubygems when possible +require 'rubygems' +require 'test/unit' + +# TODO: Remove setting this magic constant +RAILS_FRAMEWORK_ROOT = File.expand_path("#{File.dirname(__FILE__)}/../../..") + +# These load paths usually get set inside of boot.rb +$:.unshift "#{RAILS_FRAMEWORK_ROOT}/railties/lib" +$:.unshift "#{RAILS_FRAMEWORK_ROOT}/actionpack/lib" + +# 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" + +module TestHelpers + module Paths + module_function + + def tmp_path(*args) + File.expand_path(File.join(File.dirname(__FILE__), *%w[.. .. tmp] + args)) + end + + def app_path(*args) + tmp_path(*%w[app] + args) + end + end + + module Rack + def extract_body(response) + "".tap do |body| + response[2].each {|chunk| body << chunk } + end + end + + def get(path) + @app.call(::Rack::MockRequest.env_for(path)) + end + + def assert_welcome(resp) + assert_equal 200, resp[0] + assert resp[1]["Content-Type"] = "text/html" + assert extract_body(resp).match(/Welcome aboard/) + end + + def assert_success(resp) + assert_equal 202, resp[0] + end + + def assert_missing(resp) + assert_equal 404, resp[0] + end + + def assert_header(key, value, resp) + assert_equal value, resp[1][key.to_s] + end + + def assert_body(expected, resp) + assert_equal expected, extract_body(resp) + end + end + + module Generation + def build_app + FileUtils.cp_r(tmp_path('app_template'), app_path) + end + + def app_file(path, contents) + File.open(app_path(path), 'w') do |f| + f.puts contents + end + end + + def controller(name, contents) + app_file("app/controllers/#{name}_controller.rb", contents) + end + end +end + +class Test::Unit::TestCase + include TestHelpers::Paths + include TestHelpers::Rack + include TestHelpers::Generation + extend ActiveSupport::Testing::Declarative +end + +# Create a scope and build a fixture rails app +Module.new do + extend TestHelpers::Paths + # Build a rails app + if File.exist?(tmp_path) + FileUtils.rm_rf(tmp_path) + end + + FileUtils.mkdir(tmp_path) + `#{Gem.ruby} #{RAILS_FRAMEWORK_ROOT}/railties/bin/rails #{tmp_path('app_template')}` +end |