rails--rails/actionpack/test/controller/action_pack_assertions_test.rb

# frozen_string_literal: true

require "abstract_unit"
require "controller/fake_controllers"

class ActionPackAssertionsController < ActionController::Base
  def nothing() head :ok end

  def hello_xml_world() render template: "test/hello_xml_world"; end

  def hello_xml_world_pdf
    self.content_type = "application/pdf"
    render template: "test/hello_xml_world"
  end

  def hello_xml_world_pdf_header
    response.headers["Content-Type"] = "application/pdf; charset=utf-8"
    render template: "test/hello_xml_world"
  end

  def redirect_internal() redirect_to "/nothing"; end

  def redirect_to_action() redirect_to action: "flash_me", id: 1, params: { "panda" => "fun" }; end

  def redirect_to_controller() redirect_to controller: "elsewhere", action: "flash_me"; end

  def redirect_to_controller_with_symbol() redirect_to controller: :elsewhere, action: :flash_me; end

  def redirect_to_path() redirect_to "/some/path" end

  def redirect_invalid_external_route() redirect_to "ht_tp://www.rubyonrails.org" end

  def redirect_to_named_route() redirect_to route_one_url end

  def redirect_external() redirect_to "http://www.rubyonrails.org"; end

  def redirect_external_protocol_relative() redirect_to "//www.rubyonrails.org"; end

  def response404() head "404 AWOL" end

  def response500() head "500 Sorry" end

  def response599() head "599 Whoah!" end

  def flash_me
    flash["hello"] = "my name is inigo montoya..."
    render plain: "Inconceivable!"
  end

  def flash_me_naked
    flash.clear
    render plain: "wow!"
  end

  def assign_this
    @howdy = "ho"
    render inline: "Mr. Henke"
  end

  def render_based_on_parameters
    render plain: "Mr. #{params[:name]}"
  end

  def render_url
    render html: "<div>#{url_for(action: 'flash_me', only_path: true)}</div>"
  end

  def render_text_with_custom_content_type
    render body: "Hello!", content_type: Mime[:rss]
  end

  def session_stuffing
    session["xmas"] = "turkey"
    render plain: "ho ho ho"
  end

  def raise_exception_on_get
    raise "get" if request.get?
    render plain: "request method: #{request.env['REQUEST_METHOD']}"
  end

  def raise_exception_on_post
    raise "post" if request.post?
    render plain: "request method: #{request.env['REQUEST_METHOD']}"
  end

  def render_file_absolute_path
    render file: File.expand_path("../../README.rdoc", __dir__)
  end

  def render_file_relative_path
    render file: "README.rdoc"
  end
end

# Used to test that assert_response includes the exception message
# in the failure message when an action raises and assert_response
# is expecting something other than an error.
class AssertResponseWithUnexpectedErrorController < ActionController::Base
  def index
    raise "FAIL"
  end

  def show
    render plain: "Boom", status: 500
  end
end

module Admin
  class InnerModuleController < ActionController::Base
    def index
      head :ok
    end

    def redirect_to_index
      redirect_to admin_inner_module_path
    end

    def redirect_to_absolute_controller
      redirect_to controller: "/content"
    end

    def redirect_to_fellow_controller
      redirect_to controller: "user"
    end

    def redirect_to_top_level_named_route
      redirect_to top_level_url(id: "foo")
    end
  end
end

class ApiOnlyController < ActionController::API
  def nothing
    head :ok
  end

  def redirect_to_new_route
    redirect_to new_route_url
  end
end

class ActionPackAssertionsControllerTest < ActionController::TestCase
  def test_render_file_absolute_path
    get :render_file_absolute_path
    assert_match(/\A= Action Pack/, @response.body)
  end

  def test_render_file_relative_path
    get :render_file_relative_path
    assert_match(/\A= Action Pack/, @response.body)
  end

  def test_get_request
    assert_raise(RuntimeError) { get :raise_exception_on_get }
    get :raise_exception_on_post
    assert_equal "request method: GET", @response.body
  end

  def test_post_request
    assert_raise(RuntimeError) { post :raise_exception_on_post }
    post :raise_exception_on_get
    assert_equal "request method: POST", @response.body
  end

  def test_get_post_request_switch
    post :raise_exception_on_get
    assert_equal "request method: POST", @response.body
    get :raise_exception_on_post
    assert_equal "request method: GET", @response.body
    post :raise_exception_on_get
    assert_equal "request method: POST", @response.body
    get :raise_exception_on_post
    assert_equal "request method: GET", @response.body
  end

  def test_string_constraint
    with_routing do |set|
      set.draw do
        get "photos", to: "action_pack_assertions#nothing", constraints: { subdomain: "admin" }
      end
    end
  end

  def test_with_routing_works_with_api_only_controllers
    @controller = ApiOnlyController.new

    with_routing do |set|
      set.draw do
        get "new_route", to: "api_only#nothing"
        get "redirect_to_new_route", to: "api_only#redirect_to_new_route"
      end

      process :redirect_to_new_route
      assert_redirected_to "http://test.host/new_route"
    end
  end

  def test_assert_redirect_to_named_route_failure
    with_routing do |set|
      set.draw do
        get "route_one", to: "action_pack_assertions#nothing", as: :route_one
        get "route_two", to: "action_pack_assertions#nothing", id: "two", as: :route_two

        ActiveSupport::Deprecation.silence do
          get ":controller/:action"
        end
      end
      process :redirect_to_named_route
      assert_raise(ActiveSupport::TestCase::Assertion) do
        assert_redirected_to "http://test.host/route_two"
      end
      assert_raise(ActiveSupport::TestCase::Assertion) do
        assert_redirected_to %r(^http://test.host/route_two)
      end
      assert_raise(ActiveSupport::TestCase::Assertion) do
        assert_redirected_to controller: "action_pack_assertions", action: "nothing", id: "two"
      end
      assert_raise(ActiveSupport::TestCase::Assertion) do
        assert_redirected_to route_two_url
      end
    end
  end

  def test_assert_redirect_to_nested_named_route
    @controller = Admin::InnerModuleController.new

    with_routing do |set|
      set.draw do
        get "admin/inner_module", to: "admin/inner_module#index", as: :admin_inner_module

        ActiveSupport::Deprecation.silence do
          get ":controller/:action"
        end
      end
      process :redirect_to_index
      # redirection is <{"action"=>"index", "controller"=>"admin/admin/inner_module"}>
      assert_redirected_to admin_inner_module_path
    end
  end

  def test_assert_redirected_to_top_level_named_route_from_nested_controller
    @controller = Admin::InnerModuleController.new

    with_routing do |set|
      set.draw do
        get "/action_pack_assertions/:id", to: "action_pack_assertions#index", as: :top_level

        ActiveSupport::Deprecation.silence do
          get ":controller/:action"
        end
      end
      process :redirect_to_top_level_named_route
      # assert_redirected_to "http://test.host/action_pack_assertions/foo" would pass because of exact match early return
      assert_redirected_to "/action_pack_assertions/foo"
      assert_redirected_to %r(/action_pack_assertions/foo)
    end
  end

  def test_assert_redirected_to_top_level_named_route_with_same_controller_name_in_both_namespaces
    @controller = Admin::InnerModuleController.new

    with_routing do |set|
      set.draw do
        # this controller exists in the admin namespace as well which is the only difference from previous test
        get "/user/:id", to: "user#index", as: :top_level

        ActiveSupport::Deprecation.silence do
          get ":controller/:action"
        end
      end
      process :redirect_to_top_level_named_route
      # assert_redirected_to top_level_url('foo') would pass because of exact match early return
      assert_redirected_to top_level_path("foo")
    end
  end

  def test_assert_redirect_failure_message_with_protocol_relative_url
    begin
      process :redirect_external_protocol_relative
      assert_redirected_to "/foo"
    rescue ActiveSupport::TestCase::Assertion => ex
      assert_no_match(
        /#{request.protocol}#{request.host}\/\/www.rubyonrails.org/,
        ex.message,
        "protocol relative url was incorrectly normalized"
      )
    end
  end

  def test_template_objects_exist
    process :assign_this
    assert_not @controller.instance_variable_defined?(:"@hi")
    assert @controller.instance_variable_get(:"@howdy")
  end

  def test_template_objects_missing
    process :nothing
    assert_not @controller.instance_variable_defined?(:@howdy)
  end

  def test_empty_flash
    process :flash_me_naked
    assert_empty flash
  end

  def test_flash_exist
    process :flash_me
    assert_predicate flash, :any?
    assert_predicate flash["hello"], :present?
  end

  def test_flash_does_not_exist
    process :nothing
    assert_empty flash
  end

  def test_session_exist
    process :session_stuffing
    assert_equal "turkey", session["xmas"]
  end

  def session_does_not_exist
    process :nothing
    assert_empty session
  end

  def test_redirection_location
    process :redirect_internal
    assert_equal "http://test.host/nothing", @response.redirect_url

    process :redirect_external
    assert_equal "http://www.rubyonrails.org", @response.redirect_url

    process :redirect_external_protocol_relative
    assert_equal "//www.rubyonrails.org", @response.redirect_url
  end

  def test_no_redirect_url
    process :nothing
    assert_nil @response.redirect_url
  end

  def test_server_error_response_code
    process :response500
    assert_predicate @response, :server_error?

    process :response599
    assert_predicate @response, :server_error?

    process :response404
    assert_not_predicate @response, :server_error?
  end

  def test_missing_response_code
    process :response404
    assert_predicate @response, :not_found?
  end

  def test_client_error_response_code
    process :response404
    assert_predicate @response, :client_error?
  end

  def test_redirect_url_match
    process :redirect_external
    assert_predicate @response, :redirect?
    assert_match(/rubyonrails/, @response.redirect_url)
    assert_no_match(/perloffrails/, @response.redirect_url)
  end

  def test_redirection
    process :redirect_internal
    assert_predicate @response, :redirect?

    process :redirect_external
    assert_predicate @response, :redirect?

    process :nothing
    assert_not_predicate @response, :redirect?
  end

  def test_successful_response_code
    process :nothing
    assert_predicate @response, :successful?
  end

  def test_response_object
    process :nothing
    assert_kind_of ActionDispatch::TestResponse, @response
  end

  def test_render_based_on_parameters
    process :render_based_on_parameters,
      method: "GET",
      params: { name: "David" }
    assert_equal "Mr. David", @response.body
  end

  def test_assert_redirection_fails_with_incorrect_controller
    process :redirect_to_controller
    assert_raise(ActiveSupport::TestCase::Assertion) do
      assert_redirected_to controller: "action_pack_assertions", action: "flash_me"
    end
  end

  def test_assert_redirection_with_extra_controller_option
    get :redirect_to_action
    assert_redirected_to controller: "action_pack_assertions", action: "flash_me", id: 1, params: { panda: "fun" }
  end

  def test_redirected_to_url_leading_slash
    process :redirect_to_path
    assert_redirected_to "/some/path"
  end

  def test_redirected_to_url_no_leading_slash_fails
    process :redirect_to_path
    assert_raise ActiveSupport::TestCase::Assertion do
      assert_redirected_to "some/path"
    end
  end

  def test_redirect_invalid_external_route
    process :redirect_invalid_external_route
    assert_redirected_to "http://test.hostht_tp://www.rubyonrails.org"
  end

  def test_redirected_to_url_full_url
    process :redirect_to_path
    assert_redirected_to "http://test.host/some/path"
  end

  def test_assert_redirection_with_symbol
    process :redirect_to_controller_with_symbol
    assert_nothing_raised {
      assert_redirected_to controller: "elsewhere", action: "flash_me"
    }
    process :redirect_to_controller_with_symbol
    assert_nothing_raised {
      assert_redirected_to controller: :elsewhere, action: :flash_me
    }
  end

  def test_redirected_to_with_nested_controller
    @controller = Admin::InnerModuleController.new
    get :redirect_to_absolute_controller
    assert_redirected_to controller: "/content"

    get :redirect_to_fellow_controller
    assert_redirected_to controller: "admin/user"
  end

  def test_assert_response_uses_exception_message
    @controller = AssertResponseWithUnexpectedErrorController.new
    e = assert_raise RuntimeError, "Expected non-success response" do
      get :index
    end
    assert_response :success
    assert_includes "FAIL", e.message
  end

  def test_assert_response_failure_response_with_no_exception
    @controller = AssertResponseWithUnexpectedErrorController.new
    get :show
    assert_response 500
    assert_equal "Boom", response.body
  end
end

class ActionPackHeaderTest < ActionController::TestCase
  tests ActionPackAssertionsController

  def test_rendering_xml_sets_content_type
    process :hello_xml_world
    assert_equal("application/xml; charset=utf-8", @response.headers["Content-Type"])
  end

  def test_rendering_xml_respects_content_type
    process :hello_xml_world_pdf
    assert_equal("application/pdf; charset=utf-8", @response.headers["Content-Type"])
  end

  def test_rendering_xml_respects_content_type_when_set_in_the_header
    process :hello_xml_world_pdf_header
    assert_equal("application/pdf; charset=utf-8", @response.headers["Content-Type"])
  end

  def test_render_text_with_custom_content_type
    get :render_text_with_custom_content_type
    assert_equal "application/rss+xml; charset=utf-8", @response.headers["Content-Type"]
  end
end