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require 'active_support/core_ext/module/remove_method'
require 'action_controller'
require 'action_controller/test_case'
require 'action_view'
module ActionView
# = Action View Test Case
class TestCase < ActiveSupport::TestCase
class TestController < ActionController::Base
include ActionDispatch::TestProcess
attr_accessor :request, :response, :params
class << self
attr_writer :controller_path
end
def controller_path=(path)
self.class.controller_path=(path)
end
def initialize
super
self.class.controller_path = ""
@request = ActionController::TestRequest.new
@response = ActionController::TestResponse.new
@request.env.delete('PATH_INFO')
@params = {}
end
end
module Behavior
extend ActiveSupport::Concern
include ActionDispatch::Assertions, ActionDispatch::TestProcess
include ActionController::TemplateAssertions
include ActionView::Context
include ActionDispatch::Routing::PolymorphicRoutes
include AbstractController::Helpers
include ActionView::Helpers
include ActionView::RecordIdentifier
include ActionView::RoutingUrlFor
delegate :lookup_context, :to => :controller
attr_accessor :controller, :output_buffer, :rendered
module ClassMethods
def tests(helper_class)
case helper_class
when String, Symbol
self.helper_class = "#{helper_class.to_s.underscore}_helper".camelize.safe_constantize
when Module
self.helper_class = helper_class
end
end
def determine_default_helper_class(name)
mod = name.sub(/Test$/, '').constantize
mod.is_a?(Class) ? nil : mod
rescue NameError
nil
end
def helper_method(*methods)
# Almost a duplicate from ActionController::Helpers
methods.flatten.each do |method|
_helpers.module_eval <<-end_eval
def #{method}(*args, &block) # def current_user(*args, &block)
_test_case.send(%(#{method}), *args, &block) # _test_case.send(%(current_user), *args, &block)
end # end
end_eval
end
end
attr_writer :helper_class
def helper_class
@helper_class ||= determine_default_helper_class(name)
end
def new(*)
include_helper_modules!
super
end
private
def include_helper_modules!
helper(helper_class) if helper_class
include _helpers
end
end
def setup_with_controller
@controller = ActionView::TestCase::TestController.new
@request = @controller.request
@output_buffer = ActiveSupport::SafeBuffer.new
@rendered = ''
make_test_case_available_to_view!
say_no_to_protect_against_forgery!
end
def config
@controller.config if @controller.respond_to?(:config)
end
def render(options = {}, local_assigns = {}, &block)
view.assign(view_assigns)
@rendered << output = view.render(options, local_assigns, &block)
output
end
def locals
@locals ||= {}
end
included do
setup :setup_with_controller
end
private
# Support the selector assertions
#
# Need to experiment if this priority is the best one: rendered => output_buffer
def response_from_page
HTML::Document.new(@rendered.blank? ? @output_buffer : @rendered).root
end
def say_no_to_protect_against_forgery!
_helpers.module_eval do
remove_possible_method :protect_against_forgery?
def protect_against_forgery?
false
end
end
end
def make_test_case_available_to_view!
test_case_instance = self
_helpers.module_eval do
unless private_method_defined?(:_test_case)
define_method(:_test_case) { test_case_instance }
private :_test_case
end
end
end
module Locals
attr_accessor :locals
def render(options = {}, local_assigns = {})
case options
when Hash
if block_given?
locals[options[:layout]] = options[:locals]
elsif options.key?(:partial)
locals[options[:partial]] = options[:locals]
end
else
locals[options] = local_assigns
end
super
end
end
# The instance of ActionView::Base that is used by +render+.
def view
@view ||= begin
view = @controller.view_context
view.singleton_class.send :include, _helpers
view.extend(Locals)
view.locals = self.locals
view.output_buffer = self.output_buffer
view
end
end
alias_method :_view, :view
INTERNAL_IVARS = [
:@__name__,
:@__io__,
:@_assertion_wrapped,
:@_assertions,
:@_result,
:@_routes,
:@controller,
:@layouts,
:@locals,
:@method_name,
:@output_buffer,
:@partials,
:@passed,
:@rendered,
:@request,
:@routes,
:@templates,
:@options,
:@test_passed,
:@view,
:@view_context_class
]
def _user_defined_ivars
instance_variables - INTERNAL_IVARS
end
# Returns a Hash of instance variables and their values, as defined by
# the user in the test case, which are then assigned to the view being
# rendered. This is generally intended for internal use and extension
# frameworks.
def view_assigns
Hash[_user_defined_ivars.map do |ivar|
[ivar[1..-1].to_sym, instance_variable_get(ivar)]
end]
end
def _routes
@controller._routes if @controller.respond_to?(:_routes)
end
def method_missing(selector, *args)
if @controller.respond_to?(:_routes) &&
( @controller._routes.named_routes.helpers.include?(selector) ||
@controller._routes.mounted_helpers.method_defined?(selector) )
@controller.__send__(selector, *args)
else
super
end
end
end
include Behavior
end
end
|
