rails/actionpack/test/controller/base_test.rb

require 'abstract_unit'
require 'active_support/logger'
require 'controller/fake_models'

# Provide some controller to run the tests on.
module Submodule
  class ContainedEmptyController < ActionController::Base
  end
end

class EmptyController < ActionController::Base
end

class NonEmptyController < ActionController::Base
  def public_action
    head :ok
  end
end

class DefaultUrlOptionsController < ActionController::Base
  def from_view
    render :inline => "<%= #{params[:route]} %>"
  end

  def default_url_options
    { :host => 'www.override.com', :action => 'new', :locale => 'en' }
  end
end

class OptionalDefaultUrlOptionsController < ActionController::Base
  def show
    head :ok
  end

  def default_url_options
    { format: 'atom', id: 'default-id' }
  end
end

class UrlOptionsController < ActionController::Base
  def from_view
    render :inline => "<%= #{params[:route]} %>"
  end

  def url_options
    super.merge(:host => 'www.override.com')
  end
end

class RecordIdentifierIncludedController < ActionController::Base
  include ActionView::RecordIdentifier
end

class ActionMissingController < ActionController::Base
  def action_missing(action)
    render plain: "Response for #{action}"
  end
end

class ControllerClassTests < ActiveSupport::TestCase

  def test_controller_path
    assert_equal 'empty', EmptyController.controller_path
    assert_equal EmptyController.controller_path, EmptyController.new.controller_path
    assert_equal 'submodule/contained_empty', Submodule::ContainedEmptyController.controller_path
    assert_equal Submodule::ContainedEmptyController.controller_path, Submodule::ContainedEmptyController.new.controller_path
  end

  def test_controller_name
    assert_equal 'empty', EmptyController.controller_name
    assert_equal 'contained_empty', Submodule::ContainedEmptyController.controller_name
  end

  def test_no_deprecation_when_action_view_record_identifier_is_included
    record = Comment.new
    record.save

    dom_id = nil
    assert_not_deprecated do
      dom_id = RecordIdentifierIncludedController.new.dom_id(record)
    end

    assert_equal 'comment_1', dom_id

    dom_class = nil
    assert_not_deprecated do
      dom_class = RecordIdentifierIncludedController.new.dom_class(record)
    end
    assert_equal 'comment', dom_class
  end
end

class ControllerInstanceTests < ActiveSupport::TestCase
  def setup
    @empty = EmptyController.new
    @contained = Submodule::ContainedEmptyController.new
    @empty_controllers = [@empty, @contained]
  end

  def test_performed?
    assert !@empty.performed?
    @empty.response_body = ["sweet"]
    assert @empty.performed?
  end

  def test_action_methods
    @empty_controllers.each do |c|
      assert_equal Set.new, c.class.action_methods, "#{c.controller_path} should be empty!"
    end
  end

  def test_temporary_anonymous_controllers
    name = 'ExamplesController'
    klass = Class.new(ActionController::Base)
    Object.const_set(name, klass)

    controller = klass.new
    assert_equal "examples", controller.controller_path
  end
end

class PerformActionTest < ActionController::TestCase
  def use_controller(controller_class)
    @controller = controller_class.new

    # enable a logger so that (e.g.) the benchmarking stuff runs, so we can get
    # a more accurate simulation of what happens in "real life".
    @controller.logger = ActiveSupport::Logger.new(nil)

    @request.host = "www.nextangle.com"
  end

  def test_process_should_be_precise
    use_controller EmptyController
    exception = assert_raise AbstractController::ActionNotFound do
      get :non_existent
    end
    assert_equal "The action 'non_existent' could not be found for EmptyController", exception.message
  end

  def test_action_missing_should_work
    use_controller ActionMissingController
    get :arbitrary_action
    assert_equal "Response for arbitrary_action", @response.body
  end
end

class UrlOptionsTest < ActionController::TestCase
  tests UrlOptionsController

  def setup
    super
    @request.host = 'www.example.com'
  end

  def test_url_for_query_params_included
    rs = ActionDispatch::Routing::RouteSet.new
    rs.draw do
      get 'home' => 'pages#home'
    end

    options = {
      :action     => "home",
      :controller => "pages",
      :only_path  => true,
      :params     => { "token" => "secret" }
    }

    assert_equal '/home?token=secret', rs.url_for(options)
  end

  def test_url_options_override
    with_routing do |set|
      set.draw do
        get 'from_view', :to => 'url_options#from_view', :as => :from_view
        get ':controller/:action'
      end

      get :from_view, params: { route: "from_view_url" }

      assert_equal 'http://www.override.com/from_view', @response.body
      assert_equal 'http://www.override.com/from_view', @controller.send(:from_view_url)
      assert_equal 'http://www.override.com/default_url_options/index', @controller.url_for(:controller => 'default_url_options')
    end
  end

  def test_url_helpers_does_not_become_actions
    with_routing do |set|
      set.draw do
        get "account/overview"
      end

      assert !@controller.class.action_methods.include?("account_overview_path")
    end
  end
end

class DefaultUrlOptionsTest < ActionController::TestCase
  tests DefaultUrlOptionsController

  def setup
    super
    @request.host = 'www.example.com'
  end

  def test_default_url_options_override
    with_routing do |set|
      set.draw do
        get 'from_view', :to => 'default_url_options#from_view', :as => :from_view
        get ':controller/:action'
      end

      get :from_view, params: { route: "from_view_url" }

      assert_equal 'http://www.override.com/from_view?locale=en', @response.body
      assert_equal 'http://www.override.com/from_view?locale=en', @controller.send(:from_view_url)
      assert_equal 'http://www.override.com/default_url_options/new?locale=en', @controller.url_for(:controller => 'default_url_options')
    end
  end

  def test_default_url_options_are_used_in_non_positional_parameters
    with_routing do |set|
      set.draw do
        scope("/:locale") do
          resources :descriptions
        end
        get ':controller/:action'
      end

      get :from_view, params: { route: "description_path(1)" }

      assert_equal '/en/descriptions/1', @response.body
      assert_equal '/en/descriptions', @controller.send(:descriptions_path)
      assert_equal '/pl/descriptions', @controller.send(:descriptions_path, "pl")
      assert_equal '/pl/descriptions', @controller.send(:descriptions_path, :locale => "pl")
      assert_equal '/pl/descriptions.xml', @controller.send(:descriptions_path, "pl", "xml")
      assert_equal '/en/descriptions.xml', @controller.send(:descriptions_path, :format => "xml")
      assert_equal '/en/descriptions/1', @controller.send(:description_path, 1)
      assert_equal '/pl/descriptions/1', @controller.send(:description_path, "pl", 1)
      assert_equal '/pl/descriptions/1', @controller.send(:description_path, 1, :locale => "pl")
      assert_equal '/pl/descriptions/1.xml', @controller.send(:description_path, "pl", 1, "xml")
      assert_equal '/en/descriptions/1.xml', @controller.send(:description_path, 1, :format => "xml")
    end
  end
end

class OptionalDefaultUrlOptionsControllerTest < ActionController::TestCase
  def test_default_url_options_override_missing_positional_arguments
    with_routing do |set|
      set.draw do
        get "/things/:id(.:format)" => 'things#show', :as => :thing
      end
      assert_equal '/things/1.atom', thing_path('1')
      assert_equal '/things/default-id.atom', thing_path
    end
  end
end

class EmptyUrlOptionsTest < ActionController::TestCase
  tests NonEmptyController

  def setup
    super
    @request.host = 'www.example.com'
  end

  def test_ensure_url_for_works_as_expected_when_called_with_no_options_if_default_url_options_is_not_set
    get :public_action
    assert_equal "http://www.example.com/non_empty/public_action", @controller.url_for
  end

  def test_named_routes_with_path_without_doing_a_request_first
    @controller = EmptyController.new
    @controller.request = @request

    with_routing do |set|
      set.draw do
        resources :things
      end

      assert_equal '/things', @controller.send(:things_path)
    end
  end
end