/usr/lib/ruby/vendor_ruby/action_controller/test_case.rb is in ruby-actionpack 2:4.2.10-0ubuntu4.
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require 'active_support/core_ext/object/to_query'
require 'active_support/core_ext/module/anonymous'
require 'active_support/core_ext/hash/keys'
require 'active_support/deprecation'
require 'rails-dom-testing'
module ActionController
module TemplateAssertions
extend ActiveSupport::Concern
included do
setup :setup_subscriptions
teardown :teardown_subscriptions
end
RENDER_TEMPLATE_INSTANCE_VARIABLES = %w{partials templates layouts files}.freeze
def setup_subscriptions
RENDER_TEMPLATE_INSTANCE_VARIABLES.each do |instance_variable|
instance_variable_set("@_#{instance_variable}", Hash.new(0))
end
@_subscribers = []
@_subscribers << ActiveSupport::Notifications.subscribe("render_template.action_view") do |_name, _start, _finish, _id, payload|
path = payload[:layout]
if path
@_layouts[path] += 1
if path =~ /^layouts\/(.*)/
@_layouts[$1] += 1
end
end
end
@_subscribers << ActiveSupport::Notifications.subscribe("!render_template.action_view") do |_name, _start, _finish, _id, payload|
if virtual_path = payload[:virtual_path]
partial = virtual_path =~ /^.*\/_[^\/]*$/
if partial
@_partials[virtual_path] += 1
@_partials[virtual_path.split("/").last] += 1
end
@_templates[virtual_path] += 1
else
path = payload[:identifier]
if path
@_files[path] += 1
@_files[path.split("/").last] += 1
end
end
end
end
def teardown_subscriptions
return unless defined?(@_subscribers)
@_subscribers.each do |subscriber|
ActiveSupport::Notifications.unsubscribe(subscriber)
end
end
def process(*args)
reset_template_assertion
super
end
def reset_template_assertion
RENDER_TEMPLATE_INSTANCE_VARIABLES.each do |instance_variable|
ivar_name = "@_#{instance_variable}"
if instance_variable_defined?(ivar_name)
instance_variable_get(ivar_name).clear
end
end
end
# Asserts that the request was rendered with the appropriate template file or partials.
#
# # assert that the "new" view template was rendered
# assert_template "new"
#
# # assert that the exact template "admin/posts/new" was rendered
# assert_template %r{\Aadmin/posts/new\Z}
#
# # assert that the layout 'admin' was rendered
# assert_template layout: 'admin'
# assert_template layout: 'layouts/admin'
# assert_template layout: :admin
#
# # assert that no layout was rendered
# assert_template layout: nil
# assert_template layout: false
#
# # assert that the "_customer" partial was rendered twice
# assert_template partial: '_customer', count: 2
#
# # assert that no partials were rendered
# assert_template partial: false
#
# # assert that a file was rendered
# assert_template file: "README.rdoc"
#
# # assert that no file was rendered
# assert_template file: nil
# assert_template file: false
#
# In a view test case, you can also assert that specific locals are passed
# to partials:
#
# # assert that the "_customer" partial was rendered with a specific object
# assert_template partial: '_customer', locals: { customer: @customer }
def assert_template(options = {}, message = nil)
# Force body to be read in case the template is being streamed.
response.body
case options
when NilClass, Regexp, String, Symbol
options = options.to_s if Symbol === options
rendered = @_templates
msg = message || sprintf("expecting <%s> but rendering with <%s>",
options.inspect, rendered.keys)
matches_template =
case options
when String
!options.empty? && rendered.any? do |t, num|
options_splited = options.split(File::SEPARATOR)
t_splited = t.split(File::SEPARATOR)
t_splited.last(options_splited.size) == options_splited
end
when Regexp
rendered.any? { |t,num| t.match(options) }
when NilClass
rendered.blank?
end
assert matches_template, msg
when Hash
options.assert_valid_keys(:layout, :partial, :locals, :count, :file)
if options.key?(:layout)
expected_layout = options[:layout]
msg = message || sprintf("expecting layout <%s> but action rendered <%s>",
expected_layout, @_layouts.keys)
case expected_layout
when String, Symbol
assert_includes @_layouts.keys, expected_layout.to_s, msg
when Regexp
assert(@_layouts.keys.any? {|l| l =~ expected_layout }, msg)
when nil, false
assert(@_layouts.empty?, msg)
end
end
if options[:file]
assert_includes @_files.keys, options[:file]
elsif options.key?(:file)
assert @_files.blank?, "expected no files but #{@_files.keys} was rendered"
end
if expected_partial = options[:partial]
if expected_locals = options[:locals]
if defined?(@_rendered_views)
view = expected_partial.to_s.sub(/^_/, '').sub(/\/_(?=[^\/]+\z)/, '/')
partial_was_not_rendered_msg = "expected %s to be rendered but it was not." % view
assert_includes @_rendered_views.rendered_views, view, partial_was_not_rendered_msg
msg = 'expecting %s to be rendered with %s but was with %s' % [expected_partial,
expected_locals,
@_rendered_views.locals_for(view)]
assert(@_rendered_views.view_rendered?(view, options[:locals]), msg)
else
warn "the :locals option to #assert_template is only supported in a ActionView::TestCase"
end
elsif expected_count = options[:count]
actual_count = @_partials[expected_partial]
msg = message || sprintf("expecting %s to be rendered %s time(s) but rendered %s time(s)",
expected_partial, expected_count, actual_count)
assert(actual_count == expected_count.to_i, msg)
else
msg = message || sprintf("expecting partial <%s> but action rendered <%s>",
options[:partial], @_partials.keys)
assert_includes @_partials, expected_partial, msg
end
elsif options.key?(:partial)
assert @_partials.empty?,
"Expected no partials to be rendered"
end
else
raise ArgumentError, "assert_template only accepts a String, Symbol, Hash, Regexp, or nil"
end
end
end
class TestRequest < ActionDispatch::TestRequest #:nodoc:
DEFAULT_ENV = ActionDispatch::TestRequest::DEFAULT_ENV.dup
DEFAULT_ENV.delete 'PATH_INFO'
def initialize(env = {})
super
self.session = TestSession.new
self.session_options = TestSession::DEFAULT_OPTIONS.merge(:id => SecureRandom.hex(16))
end
def assign_parameters(routes, controller_path, action, parameters = {})
parameters = parameters.symbolize_keys.merge(:controller => controller_path, :action => action)
extra_keys = routes.extra_keys(parameters)
non_path_parameters = get? ? query_parameters : request_parameters
parameters.each do |key, value|
if value.is_a?(Array) && (value.frozen? || value.any?(&:frozen?))
value = value.map{ |v| v.duplicable? ? v.dup : v }
elsif value.is_a?(Hash) && (value.frozen? || value.any?{ |k,v| v.frozen? })
value = Hash[value.map{ |k,v| [k, v.duplicable? ? v.dup : v] }]
elsif value.frozen? && value.duplicable?
value = value.dup
end
if extra_keys.include?(key)
non_path_parameters[key] = value
else
if value.is_a?(Array)
value = value.map(&:to_param)
else
value = value.to_param
end
path_parameters[key] = value
end
end
# Clear the combined params hash in case it was already referenced.
@env.delete("action_dispatch.request.parameters")
# Clear the filter cache variables so they're not stale
@filtered_parameters = @filtered_env = @filtered_path = nil
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/ }
@method = @request_method = nil
@fullpath = @ip = @remote_ip = @protocol = nil
@env['action_dispatch.request.query_parameters'] = {}
@set_cookies ||= {}
@set_cookies.update(Hash[cookie_jar.instance_variable_get("@set_cookies").map{ |k,o| [k,o[:value]] }])
deleted_cookies = cookie_jar.instance_variable_get("@delete_cookies")
@set_cookies.reject!{ |k,v| deleted_cookies.include?(k) }
cookie_jar.update(rack_cookies)
cookie_jar.update(cookies)
cookie_jar.update(@set_cookies)
cookie_jar.recycle!
end
private
def default_env
DEFAULT_ENV
end
end
class TestResponse < ActionDispatch::TestResponse
def recycle!
initialize
end
end
class LiveTestResponse < Live::Response
def recycle!
@body = nil
initialize
end
def body
@body ||= super
end
# Was the response successful?
alias_method :success?, :successful?
# Was the URL not found?
alias_method :missing?, :not_found?
# Were we redirected?
alias_method :redirect?, :redirection?
# Was there a server-side error?
alias_method :error?, :server_error?
end
# Methods #destroy and #load! are overridden to avoid calling methods on the
# @store object, which does not exist for the TestSession class.
class TestSession < Rack::Session::Abstract::SessionHash #:nodoc:
DEFAULT_OPTIONS = Rack::Session::Abstract::ID::DEFAULT_OPTIONS
def initialize(session = {})
super(nil, nil)
@id = SecureRandom.hex(16)
@data = stringify_keys(session)
@loaded = true
end
def exists?
true
end
def keys
@data.keys
end
def values
@data.values
end
def destroy
clear
end
def fetch(key, *args, &block)
@data.fetch(key.to_s, *args, &block)
end
private
def load!
@id
end
end
# Superclass for ActionController functional tests. Functional tests allow you to
# test a single controller action per test method. This should not be confused with
# integration tests (see ActionDispatch::IntegrationTest), which are more like
# "stories" that can involve multiple controllers and multiple actions (i.e. multiple
# different HTTP requests).
#
# == Basic example
#
# Functional tests are written as follows:
# 1. First, one uses the +get+, +post+, +patch+, +put+, +delete+ or +head+ method to simulate
# an HTTP request.
# 2. Then, one asserts whether the current state is as expected. "State" can be anything:
# the controller's HTTP response, the database contents, etc.
#
# For example:
#
# class BooksControllerTest < ActionController::TestCase
# def test_create
# # Simulate a POST response with the given HTTP parameters.
# post(:create, book: { title: "Love Hina" })
#
# # Assert that the controller tried to redirect us to
# # the created book's URI.
# assert_response :found
#
# # Assert that the controller really put the book in the database.
# assert_not_nil Book.find_by(title: "Love Hina")
# end
# end
#
# You can also send a real document in the simulated HTTP request.
#
# def test_create
# json = {book: { title: "Love Hina" }}.to_json
# post :create, json
# end
#
# == Special instance variables
#
# ActionController::TestCase will also automatically provide the following instance
# variables for use in the tests:
#
# <b>@controller</b>::
# The controller instance that will be tested.
# <b>@request</b>::
# An ActionController::TestRequest, representing the current HTTP
# request. You can modify this object before sending the HTTP request. For example,
# you might want to set some session properties before sending a GET request.
# <b>@response</b>::
# An ActionController::TestResponse object, representing the response
# of the last HTTP response. In the above example, <tt>@response</tt> becomes valid
# after calling +post+. If the various assert methods are not sufficient, then you
# may use this object to inspect the HTTP response in detail.
#
# (Earlier versions of \Rails required each functional test to subclass
# Test::Unit::TestCase and define @controller, @request, @response in +setup+.)
#
# == Controller is automatically inferred
#
# ActionController::TestCase will automatically infer the controller under test
# from the test class name. If the controller cannot be inferred from the test
# class name, you can explicitly set it with +tests+.
#
# class SpecialEdgeCaseWidgetsControllerTest < ActionController::TestCase
# tests WidgetController
# end
#
# == \Testing controller internals
#
# In addition to these specific assertions, you also have easy access to various collections that the regular test/unit assertions
# can be used against. These collections are:
#
# * assigns: Instance variables assigned in the action that are available for the view.
# * session: Objects being saved in the session.
# * flash: The flash objects currently in the session.
# * cookies: \Cookies being sent to the user on this request.
#
# These collections can be used just like any other hash:
#
# assert_not_nil assigns(:person) # makes sure that a @person instance variable was set
# assert_equal "Dave", cookies[:name] # makes sure that a cookie called :name was set as "Dave"
# assert flash.empty? # makes sure that there's nothing in the flash
#
# For historic reasons, the assigns hash uses string-based keys. So <tt>assigns[:person]</tt> won't work, but <tt>assigns["person"]</tt> will. To
# appease our yearning for symbols, though, an alternative accessor has been devised using a method call instead of index referencing.
# So <tt>assigns(:person)</tt> will work just like <tt>assigns["person"]</tt>, but again, <tt>assigns[:person]</tt> will not work.
#
# On top of the collections, you have the complete url that a given action redirected to available in <tt>redirect_to_url</tt>.
#
# For redirects within the same controller, you can even call follow_redirect and the redirect will be followed, triggering another
# action call which can then be asserted against.
#
# == Manipulating session and cookie variables
#
# Sometimes you need to set up the session and cookie variables for a test.
# To do this just assign a value to the session or cookie collection:
#
# session[:key] = "value"
# cookies[:key] = "value"
#
# To clear the cookies for a test just clear the cookie collection:
#
# cookies.clear
#
# == \Testing named routes
#
# If you're using named routes, they can be easily tested using the original named routes' methods straight in the test case.
#
# assert_redirected_to page_url(title: 'foo')
class TestCase < ActiveSupport::TestCase
module Behavior
extend ActiveSupport::Concern
include ActionDispatch::TestProcess
include ActiveSupport::Testing::ConstantLookup
include Rails::Dom::Testing::Assertions
attr_reader :response, :request
module ClassMethods
# Sets the controller class name. Useful if the name can't be inferred from test class.
# Normalizes +controller_class+ before using.
#
# tests WidgetController
# tests :widget
# tests 'widget'
def tests(controller_class)
case controller_class
when String, Symbol
self.controller_class = "#{controller_class.to_s.camelize}Controller".constantize
when Class
self.controller_class = controller_class
else
raise ArgumentError, "controller class must be a String, Symbol, or Class"
end
end
def controller_class=(new_class)
self._controller_class = new_class
end
def controller_class
if current_controller_class = self._controller_class
current_controller_class
else
self.controller_class = determine_default_controller_class(name)
end
end
def determine_default_controller_class(name)
determine_constant_from_test_name(name) do |constant|
Class === constant && constant < ActionController::Metal
end
end
end
# Simulate a GET request with the given parameters.
#
# - +action+: The controller action to call.
# - +parameters+: The HTTP parameters that you want to pass. This may
# be +nil+, a hash, or a string that is appropriately encoded
# (<tt>application/x-www-form-urlencoded</tt> or <tt>multipart/form-data</tt>).
# - +session+: A hash of parameters to store in the session. This may be +nil+.
# - +flash+: A hash of parameters to store in the flash. This may be +nil+.
#
# You can also simulate POST, PATCH, PUT, DELETE, and HEAD requests with
# +post+, +patch+, +put+, +delete+, and +head+.
#
# Note that the request method is not verified. The different methods are
# available to make the tests more expressive.
def get(action, *args)
process(action, "GET", *args)
end
# Simulate a POST request with the given parameters and set/volley the response.
# See +get+ for more details.
def post(action, *args)
process(action, "POST", *args)
end
# Simulate a PATCH request with the given parameters and set/volley the response.
# See +get+ for more details.
def patch(action, *args)
process(action, "PATCH", *args)
end
# Simulate a PUT request with the given parameters and set/volley the response.
# See +get+ for more details.
def put(action, *args)
process(action, "PUT", *args)
end
# Simulate a DELETE request with the given parameters and set/volley the response.
# See +get+ for more details.
def delete(action, *args)
process(action, "DELETE", *args)
end
# Simulate a HEAD request with the given parameters and set/volley the response.
# See +get+ for more details.
def head(action, *args)
process(action, "HEAD", *args)
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(', ')
__send__(request_method, action, parameters, session, flash).tap do
@request.env.delete 'HTTP_X_REQUESTED_WITH'
@request.env.delete 'HTTP_ACCEPT'
end
end
alias xhr :xml_http_request
def paramify_values(hash_or_array_or_value)
case hash_or_array_or_value
when Hash
Hash[hash_or_array_or_value.map{|key, value| [key, paramify_values(value)] }]
when Array
hash_or_array_or_value.map {|i| paramify_values(i)}
when Rack::Test::UploadedFile, ActionDispatch::Http::UploadedFile
hash_or_array_or_value
else
hash_or_array_or_value.to_param
end
end
# Simulate a HTTP request to +action+ by specifying request method,
# parameters and set/volley the response.
#
# - +action+: The controller action to call.
# - +http_method+: Request method used to send the http request. Possible values
# are +GET+, +POST+, +PATCH+, +PUT+, +DELETE+, +HEAD+. Defaults to +GET+.
# - +parameters+: The HTTP parameters. This may be +nil+, a hash, or a
# string that is appropriately encoded (+application/x-www-form-urlencoded+
# or +multipart/form-data+).
# - +session+: A hash of parameters to store in the session. This may be +nil+.
# - +flash+: A hash of parameters to store in the flash. This may be +nil+.
#
# Example calling +create+ action and sending two params:
#
# process :create, 'POST', user: { name: 'Gaurish Sharma', email: 'user@example.com' }
#
# Example sending parameters, +nil+ session and setting a flash message:
#
# process :view, 'GET', { id: 7 }, nil, { notice: 'This is flash message' }
#
# To simulate +GET+, +POST+, +PATCH+, +PUT+, +DELETE+ and +HEAD+ requests
# prefer using #get, #post, #patch, #put, #delete and #head methods
# respectively which will make tests more expressive.
#
# Note that the request method is not verified.
def process(action, http_method = 'GET', *args)
check_required_ivars
if args.first.is_a?(String) && http_method != 'HEAD'
@request.env['RAW_POST_DATA'] = args.shift
end
parameters, session, flash = args
parameters ||= {}
# Ensure that numbers and symbols passed as params are converted to
# proper params, as is the case when engaging rack.
parameters = paramify_values(parameters) if html_format?(parameters)
@html_document = nil
@html_scanner_document = nil
unless @controller.respond_to?(:recycle!)
@controller.extend(Testing::Functional)
end
@request.recycle!
@response.recycle!
@controller.recycle!
@request.env['REQUEST_METHOD'] = http_method
controller_class_name = @controller.class.anonymous? ?
"anonymous" :
@controller.class.controller_path
@request.assign_parameters(@routes, controller_class_name, action.to_s, parameters)
@request.session.update(session) if session
@request.flash.update(flash || {})
@controller.request = @request
@controller.response = @response
build_request_uri(action, parameters)
name = @request.parameters[:action]
@controller.recycle!
@controller.process(name)
if cookies = @request.env['action_dispatch.cookies']
unless @response.committed?
cookies.write(@response)
end
end
@response.prepare!
@assigns = @controller.respond_to?(:view_assigns) ? @controller.view_assigns : {}
if flash_value = @request.flash.to_session_value
@request.session['flash'] = flash_value
end
@response
end
def setup_controller_request_and_response
@controller = nil unless defined? @controller
response_klass = TestResponse
if klass = self.class.controller_class
if klass < ActionController::Live
response_klass = LiveTestResponse
end
unless @controller
begin
@controller = klass.new
rescue
warn "could not construct controller #{klass}" if $VERBOSE
end
end
end
@request = build_request
@response = build_response response_klass
@response.request = @request
if @controller
@controller.request = @request
@controller.params = {}
end
end
def build_request
TestRequest.new
end
def build_response(klass)
klass.new
end
included do
include ActionController::TemplateAssertions
include ActionDispatch::Assertions
class_attribute :_controller_class
setup :setup_controller_request_and_response
end
private
def document_root_element
html_document.root
end
def check_required_ivars
# Sanity check for required instance variables so we can give an
# understandable error message.
[:@routes, :@controller, :@request, :@response].each do |iv_name|
if !instance_variable_defined?(iv_name) || instance_variable_get(iv_name).nil?
raise "#{iv_name} is nil: make sure you set it in your test's setup method."
end
end
end
def build_request_uri(action, parameters)
unless @request.env["PATH_INFO"]
options = @controller.respond_to?(:url_options) ? @controller.__send__(:url_options).merge(parameters) : parameters
options.update(
:action => action,
:relative_url_root => nil,
:_recall => @request.path_parameters)
if route_name = options.delete(:use_route)
ActiveSupport::Deprecation.warn <<-MSG.squish
Passing the `use_route` option in functional tests are deprecated.
Support for this option in the `process` method (and the related
`get`, `head`, `post`, `patch`, `put` and `delete` helpers) will
be removed in the next version without replacement.
Functional tests are essentially unit tests for controllers and
they should not require knowledge to how the application's routes
are configured. Instead, you should explicitly pass the appropiate
params to the `process` method.
Previously the engines guide also contained an incorrect example
that recommended using this option to test an engine's controllers
within the dummy application. That recommendation was incorrect
and has since been corrected. Instead, you should override the
`@routes` variable in the test case with `Foo::Engine.routes`. See
the updated engines guide for details.
MSG
end
url, query_string = @routes.path_for(options, route_name).split("?", 2)
@request.env["SCRIPT_NAME"] = @controller.config.relative_url_root
@request.env["PATH_INFO"] = url
@request.env["QUERY_STRING"] = query_string || ""
end
end
def html_format?(parameters)
return true unless parameters.key?(:format)
Mime.fetch(parameters[:format]) { Mime['html'] }.html?
end
end
include Behavior
end
end
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