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path: root/actionpack/test/dispatch/debug_exceptions_test.rb
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require 'abstract_unit'

class DebugExceptionsTest < ActionDispatch::IntegrationTest

  class Boomer
    def initialize(detailed  = false)
      @detailed = detailed
    end

    def call(env)
      env['action_dispatch.show_detailed_exceptions'] = @detailed
      req = ActionDispatch::Request.new(env)
      case req.path
      when "/not_found"
        raise ActionController::UnknownAction
      when "/runtime_error"
        raise RuntimeError
      when "/method_not_allowed"
        raise ActionController::MethodNotAllowed
      when "/not_implemented"
        raise ActionController::NotImplemented
      when "/unprocessable_entity"
        raise ActionController::InvalidAuthenticityToken
      when "/not_found_original_exception"
        raise ActionView::Template::Error.new('template', {}, AbstractController::ActionNotFound.new)
      else
        raise "puke!"
      end
    end
  end

  ProductionApp  = ActionDispatch::DebugExceptions.new((Boomer.new(false)))
  DevelopmentApp = ActionDispatch::DebugExceptions.new((Boomer.new(true)))

  test 'skip diagnosis if not showing detailed exceptions' do
    @app = ProductionApp
    assert_raise RuntimeError do
      get "/", {}, {'action_dispatch.show_exceptions' => true}
    end
  end

  test 'skip diagnosis if not showing exceptions' do
    @app = DevelopmentApp
    assert_raise RuntimeError do
      get "/", {}, {'action_dispatch.show_exceptions' => false}
    end
  end

  test "rescue with diagnostics message" do
    @app = DevelopmentApp

    get "/", {}, {'action_dispatch.show_exceptions' => true}
    assert_response 500
    assert_match(/puke/, body)

    get "/not_found", {}, {'action_dispatch.show_exceptions' => true}
    assert_response 404
    assert_match(/#{ActionController::UnknownAction.name}/, body)

    get "/method_not_allowed", {}, {'action_dispatch.show_exceptions' => true}
    assert_response 405
    assert_match(/ActionController::MethodNotAllowed/, body)
  end

  test "does not show filtered parameters" do
    @app = DevelopmentApp

    get "/", {"foo"=>"bar"}, {'action_dispatch.show_exceptions' => true,
      'action_dispatch.parameter_filter' => [:foo]}
    assert_response 500
    assert_match("&quot;foo&quot;=&gt;&quot;[FILTERED]&quot;", body)
  end

  test "show registered original exception for wrapped exceptions" do
    @app = DevelopmentApp

    get "/not_found_original_exception", {}, {'action_dispatch.show_exceptions' => true}
    assert_response 404
    assert_match(/AbstractController::ActionNotFound/, body)
  end

  test "show the controller name in the diagnostics template when controller name is present" do
    @app = DevelopmentApp
    get("/runtime_error", {}, {
      'action_dispatch.show_exceptions' => true,
      'action_dispatch.request.parameters' => {
        'action' => 'show',
        'id' => 'unknown',
        'controller' => 'featured_tile'
      }
    })
    assert_response 500
    assert_match(/RuntimeError\n    in FeaturedTileController/, body)
  end

  test "sets the HTTP charset parameter" do
    @app = DevelopmentApp

    get "/", {}, {'action_dispatch.show_exceptions' => true}
    assert_equal "text/html; charset=utf-8", response.headers["Content-Type"]
  end

  test 'uses logger from env' do
    @app = DevelopmentApp
    output = StringIO.new
    get "/", {}, {'action_dispatch.show_exceptions' => true, 'action_dispatch.logger' => Logger.new(output)}
    assert_match(/puke/, output.rewind && output.read)
  end

  test 'uses backtrace cleaner from env' do
    @app = DevelopmentApp
    cleaner = stub(:clean => ['passed backtrace cleaner'])
    get "/", {}, {'action_dispatch.show_exceptions' => true, 'action_dispatch.backtrace_cleaner' => cleaner}
    assert_match(/passed backtrace cleaner/, body)
  end
end