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require 'action_dispatch'
require 'rack/session/abstract/id'
require 'active_support/core_ext/object/conversions'
module ActionController #:nodoc:
class TestRequest < ActionDispatch::TestRequest #:nodoc:
def initialize(env = {})
super
self.session = TestSession.new
self.session_options = TestSession::DEFAULT_OPTIONS.merge(:id => ActiveSupport::SecureRandom.hex(16))
end
def assign_parameters(controller_path, action, parameters)
parameters = parameters.symbolize_keys.merge(:controller => controller_path, :action => action)
extra_keys = ActionController::Routing::Routes.extra_keys(parameters)
non_path_parameters = get? ? query_parameters : request_parameters
parameters.each do |key, value|
if value.is_a? Fixnum
value = value.to_s
elsif value.is_a? Array
value = ActionController::Routing::PathSegment::Result.new(value)
end
if extra_keys.include?(key.to_sym)
non_path_parameters[key] = value
else
path_parameters[key.to_s] = value
end
end
params = self.request_parameters.dup
%w(controller action only_path).each do |k|
params.delete(k)
params.delete(k.to_sym)
end
data = params.to_query
@env['CONTENT_LENGTH'] = data.length.to_s
@env['rack.input'] = StringIO.new(data)
end
def recycle!
@formats = nil
@env.delete_if { |k, v| k =~ /^(action_dispatch|rack)\.request/ }
@env.delete_if { |k, v| k =~ /^action_dispatch\.rescue/ }
@env['action_dispatch.request.query_parameters'] = {}
end
end
class TestResponse < ActionDispatch::TestResponse
def recycle!
@status = 200
@header = {}
@writer = lambda { |x| @body << x }
@block = nil
@length = 0
@body = []
@charset = nil
@content_type = nil
@request = @template = nil
end
end
class TestSession < ActionDispatch::Session::AbstractStore::SessionHash #:nodoc:
DEFAULT_OPTIONS = ActionDispatch::Session::AbstractStore::DEFAULT_OPTIONS
def initialize(session = {})
replace(session.stringify_keys)
@loaded = true
end
end
# Essentially generates a modified Tempfile object similar to the object
# you'd get from the standard library CGI module in a multipart
# request. This means you can use an ActionController::TestUploadedFile
# object in the params of a test request in order to simulate
# a file upload.
#
# Usage example, within a functional test:
# post :change_avatar, :avatar => ActionController::TestUploadedFile.new(ActionController::TestCase.fixture_path + '/files/spongebob.png', 'image/png')
#
# Pass a true third parameter to ensure the uploaded file is opened in binary mode (only required for Windows):
# post :change_avatar, :avatar => ActionController::TestUploadedFile.new(ActionController::TestCase.fixture_path + '/files/spongebob.png', 'image/png', :binary)
TestUploadedFile = Rack::Utils::Multipart::UploadedFile
module TestProcess
def self.included(base)
# Executes a request simulating GET HTTP method and set/volley the response
def get(action, parameters = nil, session = nil, flash = nil)
process(action, parameters, session, flash, "GET")
end
# Executes a request simulating POST HTTP method and set/volley the response
def post(action, parameters = nil, session = nil, flash = nil)
process(action, parameters, session, flash, "POST")
end
# Executes a request simulating PUT HTTP method and set/volley the response
def put(action, parameters = nil, session = nil, flash = nil)
process(action, parameters, session, flash, "PUT")
end
# Executes a request simulating DELETE HTTP method and set/volley the response
def delete(action, parameters = nil, session = nil, flash = nil)
process(action, parameters, session, flash, "DELETE")
end
# Executes a request simulating HEAD HTTP method and set/volley the response
def head(action, parameters = nil, session = nil, flash = nil)
process(action, parameters, session, flash, "HEAD")
end
end
def process(action, parameters = nil, session = nil, flash = nil, http_method = 'GET')
# Sanity check for required instance variables so we can give an
# understandable error message.
%w(@controller @request @response).each do |iv_name|
if !(instance_variable_names.include?(iv_name) || instance_variable_names.include?(iv_name.to_sym)) || instance_variable_get(iv_name).nil?
raise "#{iv_name} is nil: make sure you set it in your test's setup method."
end
end
@request.recycle!
@response.recycle!
@controller.response_body = nil
@controller.formats = nil
@controller.params = nil
@html_document = nil
@request.env['REQUEST_METHOD'] = http_method
parameters ||= {}
@request.assign_parameters(@controller.class.controller_path, action.to_s, parameters)
@request.session = ActionController::TestSession.new(session) unless session.nil?
@request.session["flash"] = ActionController::Flash::FlashHash.new.update(flash) if flash
@controller.request = @request
@controller.params.merge!(parameters)
build_request_uri(action, parameters)
Base.class_eval { include Testing }
@controller.process_with_new_base_test(@request, @response)
@response
end
def xml_http_request(request_method, action, parameters = nil, session = nil, flash = nil)
@request.env['HTTP_X_REQUESTED_WITH'] = 'XMLHttpRequest'
@request.env['HTTP_ACCEPT'] = [Mime::JS, Mime::HTML, Mime::XML, 'text/xml', Mime::ALL].join(', ')
returning __send__(request_method, action, parameters, session, flash) do
@request.env.delete 'HTTP_X_REQUESTED_WITH'
@request.env.delete 'HTTP_ACCEPT'
end
end
alias xhr :xml_http_request
def assigns(key = nil)
assigns = {}
@controller.instance_variable_names.each do |ivar|
next if ActionController::Base.protected_instance_variables.include?(ivar)
assigns[ivar[1..-1]] = @controller.instance_variable_get(ivar)
end
key.nil? ? assigns : assigns[key.to_s]
end
def session
@request.session
end
def flash
@request.flash
end
def cookies
@response.cookies
end
def redirect_to_url
@response.redirect_url
end
def build_request_uri(action, parameters)
unless @request.env['REQUEST_URI']
options = @controller.__send__(:rewrite_options, parameters)
options.update(:only_path => true, :action => action)
url = ActionController::UrlRewriter.new(@request, parameters)
@request.request_uri = url.rewrite(options)
end
end
def html_document
xml = @response.content_type =~ /xml$/
@html_document ||= HTML::Document.new(@response.body, false, xml)
end
def find_tag(conditions)
html_document.find(conditions)
end
def find_all_tag(conditions)
html_document.find_all(conditions)
end
def method_missing(selector, *args, &block)
if @controller && ActionController::Routing::Routes.named_routes.helpers.include?(selector)
@controller.send(selector, *args, &block)
else
super
end
end
# Shortcut for <tt>ActionController::TestUploadedFile.new(ActionController::TestCase.fixture_path + path, type)</tt>:
#
# post :change_avatar, :avatar => fixture_file_upload('/files/spongebob.png', 'image/png')
#
# To upload binary files on Windows, pass <tt>:binary</tt> as the last parameter.
# This will not affect other platforms:
#
# post :change_avatar, :avatar => fixture_file_upload('/files/spongebob.png', 'image/png', :binary)
def fixture_file_upload(path, mime_type = nil, binary = false)
fixture_path = ActionController::TestCase.send(:fixture_path) if ActionController::TestCase.respond_to?(:fixture_path)
ActionController::TestUploadedFile.new("#{fixture_path}#{path}", mime_type, binary)
end
# A helper to make it easier to test different route configurations.
# This method temporarily replaces ActionController::Routing::Routes
# with a new RouteSet instance.
#
# The new instance is yielded to the passed block. Typically the block
# will create some routes using <tt>map.draw { map.connect ... }</tt>:
#
# with_routing do |set|
# set.draw do |map|
# map.connect ':controller/:action/:id'
# assert_equal(
# ['/content/10/show', {}],
# map.generate(:controller => 'content', :id => 10, :action => 'show')
# end
# end
# end
#
def with_routing
real_routes = ActionController::Routing::Routes
ActionController::Routing.module_eval { remove_const :Routes }
temporary_routes = ActionController::Routing::RouteSet.new
ActionController::Routing.module_eval { const_set :Routes, temporary_routes }
yield temporary_routes
ensure
if ActionController::Routing.const_defined? :Routes
ActionController::Routing.module_eval { remove_const :Routes }
end
ActionController::Routing.const_set(:Routes, real_routes) if real_routes
end
end
end
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