625 lines
21 KiB
Ruby
625 lines
21 KiB
Ruby
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require "rack/session/abstract/id"
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require "active_support/core_ext/hash/conversions"
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require "active_support/core_ext/object/to_query"
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require "active_support/core_ext/module/anonymous"
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require "active_support/core_ext/hash/keys"
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require "active_support/testing/constant_lookup"
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require "action_controller/template_assertions"
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require "rails-dom-testing"
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module ActionController
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class Metal
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include Testing::Functional
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end
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module Live
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# Disable controller / rendering threads in tests. User tests can access
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# the database on the main thread, so they could open a txn, then the
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# controller thread will open a new connection and try to access data
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# that's only visible to the main thread's txn. This is the problem in #23483.
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remove_method :new_controller_thread
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def new_controller_thread # :nodoc:
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yield
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end
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end
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# ActionController::TestCase will be deprecated and moved to a gem in Rails 5.1.
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# Please use ActionDispatch::IntegrationTest going forward.
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class TestRequest < ActionDispatch::TestRequest #:nodoc:
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DEFAULT_ENV = ActionDispatch::TestRequest::DEFAULT_ENV.dup
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DEFAULT_ENV.delete "PATH_INFO"
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def self.new_session
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TestSession.new
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end
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attr_reader :controller_class
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# Create a new test request with default `env` values.
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def self.create(controller_class)
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env = {}
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env = Rails.application.env_config.merge(env) if defined?(Rails.application) && Rails.application
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env["rack.request.cookie_hash"] = {}.with_indifferent_access
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new(default_env.merge(env), new_session, controller_class)
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end
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def self.default_env
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DEFAULT_ENV
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end
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private_class_method :default_env
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def initialize(env, session, controller_class)
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super(env)
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self.session = session
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self.session_options = TestSession::DEFAULT_OPTIONS.dup
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@controller_class = controller_class
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@custom_param_parsers = {
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xml: lambda { |raw_post| Hash.from_xml(raw_post)["hash"] }
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}
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end
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def query_string=(string)
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set_header Rack::QUERY_STRING, string
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end
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def content_type=(type)
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set_header "CONTENT_TYPE", type
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end
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def assign_parameters(routes, controller_path, action, parameters, generated_path, query_string_keys)
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non_path_parameters = {}
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path_parameters = {}
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parameters.each do |key, value|
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if query_string_keys.include?(key)
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non_path_parameters[key] = value
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else
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if value.is_a?(Array)
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value = value.map(&:to_param)
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else
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value = value.to_param
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end
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path_parameters[key] = value
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end
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end
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if get?
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if query_string.blank?
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self.query_string = non_path_parameters.to_query
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end
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else
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if ENCODER.should_multipart?(non_path_parameters)
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self.content_type = ENCODER.content_type
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data = ENCODER.build_multipart non_path_parameters
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else
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fetch_header("CONTENT_TYPE") do |k|
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set_header k, "application/x-www-form-urlencoded"
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end
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case content_mime_type.to_sym
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when nil
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raise "Unknown Content-Type: #{content_type}"
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when :json
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data = ActiveSupport::JSON.encode(non_path_parameters)
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when :xml
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data = non_path_parameters.to_xml
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when :url_encoded_form
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data = non_path_parameters.to_query
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else
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@custom_param_parsers[content_mime_type.symbol] = ->(_) { non_path_parameters }
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data = non_path_parameters.to_query
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end
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end
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data_stream = StringIO.new(data)
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set_header "CONTENT_LENGTH", data_stream.length.to_s
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set_header "rack.input", data_stream
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end
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fetch_header("PATH_INFO") do |k|
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set_header k, generated_path
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end
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path_parameters[:controller] = controller_path
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path_parameters[:action] = action
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self.path_parameters = path_parameters
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end
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ENCODER = Class.new do
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include Rack::Test::Utils
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def should_multipart?(params)
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# FIXME: lifted from Rack-Test. We should push this separation upstream.
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multipart = false
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query = lambda { |value|
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case value
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when Array
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value.each(&query)
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when Hash
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value.values.each(&query)
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when Rack::Test::UploadedFile
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multipart = true
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end
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}
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params.values.each(&query)
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multipart
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end
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public :build_multipart
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def content_type
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"multipart/form-data; boundary=#{Rack::Test::MULTIPART_BOUNDARY}"
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end
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end.new
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private
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def params_parsers
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super.merge @custom_param_parsers
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end
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end
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class LiveTestResponse < Live::Response
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# Was the response successful?
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alias_method :success?, :successful?
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# Was the URL not found?
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alias_method :missing?, :not_found?
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# Was there a server-side error?
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alias_method :error?, :server_error?
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end
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# Methods #destroy and #load! are overridden to avoid calling methods on the
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# @store object, which does not exist for the TestSession class.
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class TestSession < Rack::Session::Abstract::SessionHash #:nodoc:
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DEFAULT_OPTIONS = Rack::Session::Abstract::Persisted::DEFAULT_OPTIONS
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def initialize(session = {})
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super(nil, nil)
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@id = SecureRandom.hex(16)
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@data = stringify_keys(session)
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@loaded = true
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end
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def exists?
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true
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end
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def keys
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@data.keys
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end
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def values
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@data.values
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end
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def destroy
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clear
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end
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def fetch(key, *args, &block)
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@data.fetch(key.to_s, *args, &block)
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end
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private
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def load!
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@id
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end
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end
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# Superclass for ActionController functional tests. Functional tests allow you to
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# test a single controller action per test method.
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#
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# == Use integration style controller tests over functional style controller tests.
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#
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# Rails discourages the use of functional tests in favor of integration tests
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# (use ActionDispatch::IntegrationTest).
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#
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# New Rails applications no longer generate functional style controller tests and they should
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# only be used for backward compatibility. Integration style controller tests perform actual
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# requests, whereas functional style controller tests merely simulate a request. Besides,
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# integration tests are as fast as functional tests and provide lot of helpers such as +as+,
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# +parsed_body+ for effective testing of controller actions including even API endpoints.
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#
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# == Basic example
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#
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# Functional tests are written as follows:
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# 1. First, one uses the +get+, +post+, +patch+, +put+, +delete+ or +head+ method to simulate
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# an HTTP request.
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# 2. Then, one asserts whether the current state is as expected. "State" can be anything:
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# the controller's HTTP response, the database contents, etc.
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#
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# For example:
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#
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# class BooksControllerTest < ActionController::TestCase
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# def test_create
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# # Simulate a POST response with the given HTTP parameters.
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# post(:create, params: { book: { title: "Love Hina" }})
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#
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# # Asserts that the controller tried to redirect us to
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# # the created book's URI.
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# assert_response :found
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#
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# # Asserts that the controller really put the book in the database.
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# assert_not_nil Book.find_by(title: "Love Hina")
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# end
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# end
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#
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# You can also send a real document in the simulated HTTP request.
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#
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# def test_create
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# json = {book: { title: "Love Hina" }}.to_json
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# post :create, json
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# end
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#
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# == Special instance variables
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#
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# ActionController::TestCase will also automatically provide the following instance
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# variables for use in the tests:
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#
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# <b>@controller</b>::
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# The controller instance that will be tested.
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# <b>@request</b>::
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# An ActionController::TestRequest, representing the current HTTP
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# request. You can modify this object before sending the HTTP request. For example,
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# you might want to set some session properties before sending a GET request.
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# <b>@response</b>::
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# An ActionDispatch::TestResponse object, representing the response
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# of the last HTTP response. In the above example, <tt>@response</tt> becomes valid
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# after calling +post+. If the various assert methods are not sufficient, then you
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# may use this object to inspect the HTTP response in detail.
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#
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# (Earlier versions of \Rails required each functional test to subclass
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# Test::Unit::TestCase and define @controller, @request, @response in +setup+.)
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#
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# == Controller is automatically inferred
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#
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# ActionController::TestCase will automatically infer the controller under test
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# from the test class name. If the controller cannot be inferred from the test
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# class name, you can explicitly set it with +tests+.
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#
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# class SpecialEdgeCaseWidgetsControllerTest < ActionController::TestCase
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# tests WidgetController
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# end
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#
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# == \Testing controller internals
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#
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# In addition to these specific assertions, you also have easy access to various collections that the regular test/unit assertions
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# can be used against. These collections are:
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#
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# * session: Objects being saved in the session.
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# * flash: The flash objects currently in the session.
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# * cookies: \Cookies being sent to the user on this request.
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#
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# These collections can be used just like any other hash:
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#
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# assert_equal "Dave", cookies[:name] # makes sure that a cookie called :name was set as "Dave"
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# assert flash.empty? # makes sure that there's nothing in the flash
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#
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# On top of the collections, you have the complete URL that a given action redirected to available in <tt>redirect_to_url</tt>.
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#
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# For redirects within the same controller, you can even call follow_redirect and the redirect will be followed, triggering another
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# action call which can then be asserted against.
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#
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# == Manipulating session and cookie variables
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#
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# Sometimes you need to set up the session and cookie variables for a test.
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# To do this just assign a value to the session or cookie collection:
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#
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# session[:key] = "value"
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# cookies[:key] = "value"
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#
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# To clear the cookies for a test just clear the cookie collection:
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#
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# cookies.clear
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#
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# == \Testing named routes
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#
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# If you're using named routes, they can be easily tested using the original named routes' methods straight in the test case.
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#
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# assert_redirected_to page_url(title: 'foo')
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class TestCase < ActiveSupport::TestCase
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module Behavior
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extend ActiveSupport::Concern
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include ActionDispatch::TestProcess
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include ActiveSupport::Testing::ConstantLookup
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include Rails::Dom::Testing::Assertions
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attr_reader :response, :request
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module ClassMethods
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# Sets the controller class name. Useful if the name can't be inferred from test class.
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# Normalizes +controller_class+ before using.
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#
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# tests WidgetController
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# tests :widget
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# tests 'widget'
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def tests(controller_class)
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case controller_class
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when String, Symbol
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self.controller_class = "#{controller_class.to_s.camelize}Controller".constantize
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when Class
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self.controller_class = controller_class
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else
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raise ArgumentError, "controller class must be a String, Symbol, or Class"
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end
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end
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def controller_class=(new_class)
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self._controller_class = new_class
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end
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def controller_class
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if current_controller_class = _controller_class
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current_controller_class
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else
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self.controller_class = determine_default_controller_class(name)
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end
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end
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def determine_default_controller_class(name)
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determine_constant_from_test_name(name) do |constant|
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Class === constant && constant < ActionController::Metal
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end
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end
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end
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# Simulate a GET request with the given parameters.
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#
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# - +action+: The controller action to call.
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# - +params+: The hash with HTTP parameters that you want to pass. This may be +nil+.
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# - +body+: The request body with a string that is appropriately encoded
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# (<tt>application/x-www-form-urlencoded</tt> or <tt>multipart/form-data</tt>).
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# - +session+: A hash of parameters to store in the session. This may be +nil+.
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# - +flash+: A hash of parameters to store in the flash. This may be +nil+.
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#
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# You can also simulate POST, PATCH, PUT, DELETE, and HEAD requests with
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# +post+, +patch+, +put+, +delete+, and +head+.
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# Example sending parameters, session and setting a flash message:
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#
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# get :show,
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# params: { id: 7 },
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# session: { user_id: 1 },
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# flash: { notice: 'This is flash message' }
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|
#
|
||
|
|
# Note that the request method is not verified. The different methods are
|
||
|
|
# available to make the tests more expressive.
|
||
|
|
def get(action, **args)
|
||
|
|
res = process(action, method: "GET", **args)
|
||
|
|
cookies.update res.cookies
|
||
|
|
res
|
||
|
|
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, method: "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, method: "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, method: "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, method: "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, method: "HEAD", **args)
|
||
|
|
end
|
||
|
|
|
||
|
|
# Simulate an HTTP request to +action+ by specifying request method,
|
||
|
|
# parameters and set/volley the response.
|
||
|
|
#
|
||
|
|
# - +action+: The controller action to call.
|
||
|
|
# - +method+: Request method used to send the HTTP request. Possible values
|
||
|
|
# are +GET+, +POST+, +PATCH+, +PUT+, +DELETE+, +HEAD+. Defaults to +GET+. Can be a symbol.
|
||
|
|
# - +params+: The hash with HTTP parameters that you want to pass. This may be +nil+.
|
||
|
|
# - +body+: The request body with 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+.
|
||
|
|
# - +format+: Request format. Defaults to +nil+. Can be string or symbol.
|
||
|
|
# - +as+: Content type. Defaults to +nil+. Must be a symbol that corresponds
|
||
|
|
# to a mime type.
|
||
|
|
#
|
||
|
|
# Example calling +create+ action and sending two params:
|
||
|
|
#
|
||
|
|
# process :create,
|
||
|
|
# method: 'POST',
|
||
|
|
# params: {
|
||
|
|
# user: { name: 'Gaurish Sharma', email: 'user@example.com' }
|
||
|
|
# },
|
||
|
|
# session: { user_id: 1 },
|
||
|
|
# flash: { 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, method: "GET", params: {}, session: nil, body: nil, flash: {}, format: nil, xhr: false, as: nil)
|
||
|
|
check_required_ivars
|
||
|
|
|
||
|
|
if body
|
||
|
|
@request.set_header "RAW_POST_DATA", body
|
||
|
|
end
|
||
|
|
|
||
|
|
http_method = method.to_s.upcase
|
||
|
|
|
||
|
|
@html_document = nil
|
||
|
|
|
||
|
|
cookies.update(@request.cookies)
|
||
|
|
cookies.update_cookies_from_jar
|
||
|
|
@request.set_header "HTTP_COOKIE", cookies.to_header
|
||
|
|
@request.delete_header "action_dispatch.cookies"
|
||
|
|
|
||
|
|
@request = TestRequest.new scrub_env!(@request.env), @request.session, @controller.class
|
||
|
|
@response = build_response @response_klass
|
||
|
|
@response.request = @request
|
||
|
|
@controller.recycle!
|
||
|
|
|
||
|
|
@request.set_header "REQUEST_METHOD", http_method
|
||
|
|
|
||
|
|
if as
|
||
|
|
@request.content_type = Mime[as].to_s
|
||
|
|
format ||= as
|
||
|
|
end
|
||
|
|
|
||
|
|
parameters = params.symbolize_keys
|
||
|
|
|
||
|
|
if format
|
||
|
|
parameters[:format] = format
|
||
|
|
end
|
||
|
|
|
||
|
|
generated_extras = @routes.generate_extras(parameters.merge(controller: controller_class_name, action: action.to_s))
|
||
|
|
generated_path = generated_path(generated_extras)
|
||
|
|
query_string_keys = query_parameter_names(generated_extras)
|
||
|
|
|
||
|
|
@request.assign_parameters(@routes, controller_class_name, action.to_s, parameters, generated_path, query_string_keys)
|
||
|
|
|
||
|
|
@request.session.update(session) if session
|
||
|
|
@request.flash.update(flash || {})
|
||
|
|
|
||
|
|
if xhr
|
||
|
|
@request.set_header "HTTP_X_REQUESTED_WITH", "XMLHttpRequest"
|
||
|
|
@request.fetch_header("HTTP_ACCEPT") do |k|
|
||
|
|
@request.set_header k, [Mime[:js], Mime[:html], Mime[:xml], "text/xml", "*/*"].join(", ")
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
@request.fetch_header("SCRIPT_NAME") do |k|
|
||
|
|
@request.set_header k, @controller.config.relative_url_root
|
||
|
|
end
|
||
|
|
|
||
|
|
begin
|
||
|
|
@controller.recycle!
|
||
|
|
@controller.dispatch(action, @request, @response)
|
||
|
|
ensure
|
||
|
|
@request = @controller.request
|
||
|
|
@response = @controller.response
|
||
|
|
|
||
|
|
if @request.have_cookie_jar?
|
||
|
|
unless @request.cookie_jar.committed?
|
||
|
|
@request.cookie_jar.write(@response)
|
||
|
|
cookies.update(@request.cookie_jar.instance_variable_get(:@cookies))
|
||
|
|
end
|
||
|
|
end
|
||
|
|
@response.prepare!
|
||
|
|
|
||
|
|
if flash_value = @request.flash.to_session_value
|
||
|
|
@request.session["flash"] = flash_value
|
||
|
|
else
|
||
|
|
@request.session.delete("flash")
|
||
|
|
end
|
||
|
|
|
||
|
|
if xhr
|
||
|
|
@request.delete_header "HTTP_X_REQUESTED_WITH"
|
||
|
|
@request.delete_header "HTTP_ACCEPT"
|
||
|
|
end
|
||
|
|
@request.query_string = ""
|
||
|
|
|
||
|
|
@response.sent!
|
||
|
|
end
|
||
|
|
|
||
|
|
@response
|
||
|
|
end
|
||
|
|
|
||
|
|
def controller_class_name
|
||
|
|
@controller.class.anonymous? ? "anonymous" : @controller.class.controller_path
|
||
|
|
end
|
||
|
|
|
||
|
|
def generated_path(generated_extras)
|
||
|
|
generated_extras[0]
|
||
|
|
end
|
||
|
|
|
||
|
|
def query_parameter_names(generated_extras)
|
||
|
|
generated_extras[1] + [:controller, :action]
|
||
|
|
end
|
||
|
|
|
||
|
|
def setup_controller_request_and_response
|
||
|
|
@controller = nil unless defined? @controller
|
||
|
|
|
||
|
|
@response_klass = ActionDispatch::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 = TestRequest.create(@controller.class)
|
||
|
|
@response = build_response @response_klass
|
||
|
|
@response.request = @request
|
||
|
|
|
||
|
|
if @controller
|
||
|
|
@controller.request = @request
|
||
|
|
@controller.params = {}
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
def build_response(klass)
|
||
|
|
klass.create
|
||
|
|
end
|
||
|
|
|
||
|
|
included do
|
||
|
|
include ActionController::TemplateAssertions
|
||
|
|
include ActionDispatch::Assertions
|
||
|
|
class_attribute :_controller_class
|
||
|
|
setup :setup_controller_request_and_response
|
||
|
|
ActiveSupport.run_load_hooks(:action_controller_test_case, self)
|
||
|
|
end
|
||
|
|
|
||
|
|
private
|
||
|
|
|
||
|
|
def scrub_env!(env)
|
||
|
|
env.delete_if { |k, v| k =~ /^(action_dispatch|rack)\.request/ }
|
||
|
|
env.delete_if { |k, v| k =~ /^action_dispatch\.rescue/ }
|
||
|
|
env.delete "action_dispatch.request.query_parameters"
|
||
|
|
env.delete "action_dispatch.request.request_parameters"
|
||
|
|
env["rack.input"] = StringIO.new
|
||
|
|
env
|
||
|
|
end
|
||
|
|
|
||
|
|
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
|
||
|
|
end
|
||
|
|
|
||
|
|
include Behavior
|
||
|
|
end
|
||
|
|
end
|