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require 'action_controller/assertions'
require 'action_controller/test_case'
module ActionController #:nodoc:
class Base
# Process a test request called with a TestRequest object.
def self.process_test(request)
new.process_test(request)
end
def process_test(request) #:nodoc:
process(request, TestResponse.new)
end
def process_with_test(*args)
returning process_without_test(*args) do
add_variables_to_assigns
end
end
alias_method_chain :process, :test
end
class TestRequest < AbstractRequest #:nodoc:
attr_accessor :cookies, :session_options
attr_accessor :query_parameters, :request_parameters, :path, :session, :env
attr_accessor :host, :user_agent
def initialize(query_parameters = nil, request_parameters = nil, session = nil)
@query_parameters = query_parameters || {}
@request_parameters = request_parameters || {}
@session = session || TestSession.new
initialize_containers
initialize_default_values
super()
end
def reset_session
@session = TestSession.new
end
# Wraps raw_post in a StringIO.
def body
StringIO.new(raw_post)
end
# Either the RAW_POST_DATA environment variable or the URL-encoded request
# parameters.
def raw_post
env['RAW_POST_DATA'] ||= returning(url_encoded_request_parameters) { |b| b.force_encoding(Encoding::BINARY) if b.respond_to?(:force_encoding) }
end
def port=(number)
@env["SERVER_PORT"] = number.to_i
@port_as_int = nil
end
def action=(action_name)
@query_parameters.update({ "action" => action_name })
@parameters = nil
end
# Used to check AbstractRequest's request_uri functionality.
# Disables the use of @path and @request_uri so superclass can handle those.
def set_REQUEST_URI(value)
@env["REQUEST_URI"] = value
@request_uri = nil
@path = nil
end
def request_uri=(uri)
@request_uri = uri
@path = uri.split("?").first
end
def accept=(mime_types)
@env["HTTP_ACCEPT"] = Array(mime_types).collect { |mime_types| mime_types.to_s }.join(",")
end
def remote_addr=(addr)
@env['REMOTE_ADDR'] = addr
end
def remote_addr
@env['REMOTE_ADDR']
end
def request_uri
@request_uri || super
end
def path
@path || super
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
@parameters = nil # reset TestRequest#parameters to use the new path_parameters
end
def recycle!
self.request_parameters = {}
self.query_parameters = {}
self.path_parameters = {}
@request_method, @accepts, @content_type = nil, nil, nil
end
def referer
@env["HTTP_REFERER"]
end
private
def initialize_containers
@env, @cookies = {}, {}
end
def initialize_default_values
@host = "test.host"
@request_uri = "/"
@user_agent = "Rails Testing"
self.remote_addr = "0.0.0.0"
@env["SERVER_PORT"] = 80
@env['REQUEST_METHOD'] = "GET"
end
def url_encoded_request_parameters
params = self.request_parameters.dup
%w(controller action only_path).each do |k|
params.delete(k)
params.delete(k.to_sym)
end
params.to_query
end
end
# A refactoring of TestResponse to allow the same behavior to be applied
# to the "real" CgiResponse class in integration tests.
module TestResponseBehavior #:nodoc:
# The response code of the request
def response_code
headers['Status'][0,3].to_i rescue 0
end
# Returns a String to ensure compatibility with Net::HTTPResponse
def code
headers['Status'].to_s.split(' ')[0]
end
def message
headers['Status'].to_s.split(' ',2)[1]
end
# Was the response successful?
def success?
(200..299).include?(response_code)
end
# Was the URL not found?
def missing?
response_code == 404
end
# Were we redirected?
def redirect?
(300..399).include?(response_code)
end
# Was there a server-side error?
def error?
(500..599).include?(response_code)
end
alias_method :server_error?, :error?
# Returns the redirection location or nil
def redirect_url
headers['Location']
end
# Does the redirect location match this regexp pattern?
def redirect_url_match?( pattern )
return false if redirect_url.nil?
p = Regexp.new(pattern) if pattern.class == String
p = pattern if pattern.class == Regexp
return false if p.nil?
p.match(redirect_url) != nil
end
# Returns the template of the file which was used to
# render this response (or nil)
def rendered_template
template._first_render
end
# A shortcut to the flash. Returns an empty hash if no session flash exists.
def flash
session['flash'] || {}
end
# Do we have a flash?
def has_flash?
!session['flash'].empty?
end
# Do we have a flash that has contents?
def has_flash_with_contents?
!flash.empty?
end
# Does the specified flash object exist?
def has_flash_object?(name=nil)
!flash[name].nil?
end
# Does the specified object exist in the session?
def has_session_object?(name=nil)
!session[name].nil?
end
# A shortcut to the template.assigns
def template_objects
template.assigns || {}
end
# Does the specified template object exist?
def has_template_object?(name=nil)
!template_objects[name].nil?
end
# Returns the response cookies, converted to a Hash of (name => CGI::Cookie) pairs
#
# assert_equal ['AuthorOfNewPage'], r.cookies['author'].value
def cookies
headers['cookie'].inject({}) { |hash, cookie| hash[cookie.name] = cookie; hash }
end
# Returns binary content (downloadable file), converted to a String
def binary_content
raise "Response body is not a Proc: #{body.inspect}" unless body.kind_of?(Proc)
require 'stringio'
sio = StringIO.new
body.call(self, sio)
sio.rewind
sio.read
end
end
class TestResponse < AbstractResponse #:nodoc:
include TestResponseBehavior
end
class TestSession #:nodoc:
attr_accessor :session_id
def initialize(attributes = nil)
@session_id = ''
@attributes = attributes.nil? ? nil : attributes.stringify_keys
@saved_attributes = nil
end
def data
@attributes ||= @saved_attributes || {}
end
def [](key)
data[key.to_s]
end
def []=(key, value)
data[key.to_s] = value
end
def update
@saved_attributes = @attributes
end
def delete
@attributes = nil
end
def close
update
delete
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(Test::Unit::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(Test::Unit::TestCase.fixture_path + '/files/spongebob.png', 'image/png', :binary)
require 'tempfile'
class TestUploadedFile
# The filename, *not* including the path, of the "uploaded" file
attr_reader :original_filename
# The content type of the "uploaded" file
attr_reader :content_type
def initialize(path, content_type = Mime::TEXT, binary = false)
raise "#{path} file does not exist" unless File.exist?(path)
@content_type = content_type
@original_filename = path.sub(/^.*#{File::SEPARATOR}([^#{File::SEPARATOR}]+)$/) { $1 }
@tempfile = Tempfile.new(@original_filename)
@tempfile.set_encoding(Encoding::BINARY) if @tempfile.respond_to?(:set_encoding)
@tempfile.binmode if binary
FileUtils.copy_file(path, @tempfile.path)
end
def path #:nodoc:
@tempfile.path
end
alias local_path path
def method_missing(method_name, *args, &block) #:nodoc:
@tempfile.send!(method_name, *args, &block)
end
end
module TestProcess
def self.included(base)
# execute the request simulating a specific HTTP method and set/volley the response
%w( get post put delete head ).each do |method|
base.class_eval <<-EOV, __FILE__, __LINE__
def #{method}(action, parameters = nil, session = nil, flash = nil)
@request.env['REQUEST_METHOD'] = "#{method.upcase}" if defined?(@request)
process(action, parameters, session, flash)
end
EOV
end
end
# execute the request and set/volley the response
def process(action, parameters = nil, session = nil, flash = nil)
# 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!
@html_document = nil
@request.env['REQUEST_METHOD'] ||= "GET"
@request.action = action.to_s
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
build_request_uri(action, parameters)
@controller.process(@request, @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'] = 'text/javascript, text/html, application/xml, text/xml, */*'
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)
if key.nil?
@response.template.assigns
else
@response.template.assigns[key.to_s]
end
end
def session
@response.session
end
def flash
@response.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.set_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)
return @controller.send!(selector, *args) if ActionController::Routing::Routes.named_routes.helpers.include?(selector)
return super
end
# Shortcut for <tt>ActionController::TestUploadedFile.new(Test::Unit::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)
ActionController::TestUploadedFile.new(
Test::Unit::TestCase.respond_to?(:fixture_path) ? Test::Unit::TestCase.fixture_path + 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
module Test
module Unit
class TestCase #:nodoc:
include ActionController::TestProcess
end
end
end
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