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require 'active_support/core_ext/object/blank'
require 'action_controller/test_case'
require 'action_view'
module ActionView
class TestCase < ActiveSupport::TestCase
class TestController < ActionController::Base
include ActionDispatch::TestProcess
attr_accessor :request, :response, :params
def self.controller_path
''
end
def initialize
@request = ActionController::TestRequest.new
@response = ActionController::TestResponse.new
@request.env.delete('PATH_INFO')
@params = {}
end
end
include ActionDispatch::Assertions, ActionDispatch::TestProcess
include ActionController::TemplateAssertions
include ActionView::Context
include ActionController::PolymorphicRoutes
include ActionController::RecordIdentifier
include ActionView::Helpers
include ActionController::Helpers
class_inheritable_accessor :helper_class
attr_accessor :controller, :output_buffer, :rendered
setup :setup_with_controller
def setup_with_controller
@controller = TestController.new
@output_buffer = ActiveSupport::SafeBuffer.new
@rendered = ''
self.class.send(:include_helper_modules!)
make_test_case_available_to_view!
end
def config
@controller.config if @controller.respond_to?(:config)
end
def render(options = {}, local_assigns = {}, &block)
@rendered << output = _view.render(options, local_assigns, &block)
output
end
def protect_against_forgery?
false
end
class << self
def tests(helper_class)
self.helper_class = helper_class
end
def helper_class
if current_helper_class = read_inheritable_attribute(:helper_class)
current_helper_class
else
self.helper_class = determine_default_helper_class(name)
end
end
def determine_default_helper_class(name)
name.sub(/Test$/, '').constantize
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
private
def include_helper_modules!
helper(helper_class) if helper_class
include _helpers
end
end
private
def make_test_case_available_to_view!
test_case_instance = self
_helpers.module_eval do
define_method(:_test_case) { test_case_instance }
private :_test_case
end
end
def _view
view = ActionView::Base.new(ActionController::Base.view_paths, _assigns, @controller)
view.singleton_class.send :include, _helpers
view.singleton_class.send :include, @controller._router.url_helpers
view.output_buffer = self.output_buffer
view
end
# Support the selector assertions
#
# Need to experiment if this priority is the best one: rendered => output_buffer
def response_from_page_or_rjs
HTML::Document.new(rendered.blank? ? output_buffer : rendered).root
end
EXCLUDE_IVARS = %w{
@output_buffer
@fixture_cache
@method_name
@_result
@loaded_fixtures
@test_passed
@view
}
def _instance_variables
instance_variables - EXCLUDE_IVARS
end
def _assigns
_instance_variables.inject({}) do |hash, var|
name = var[1..-1].to_sym
hash[name] = instance_variable_get(var)
hash
end
end
def method_missing(selector, *args)
if @controller._router.named_routes.helpers.include?(selector)
@controller.__send__(selector, *args)
else
super
end
end
end
end
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