diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/testing')
6 files changed, 168 insertions, 20 deletions
diff --git a/actionpack/lib/action_dispatch/testing/assertion_response.rb b/actionpack/lib/action_dispatch/testing/assertion_response.rb new file mode 100644 index 0000000000..3fb81ff083 --- /dev/null +++ b/actionpack/lib/action_dispatch/testing/assertion_response.rb @@ -0,0 +1,49 @@ +module ActionDispatch + # This is a class that abstracts away an asserted response. + # It purposely does not inherit from Response, because it doesn't need it. + # That means it does not have headers or a body. + # + # As an input to the initializer, we take a Fixnum, a String, or a Symbol. + # If it's a Fixnum or String, we figure out what its symbolized name. + # If it's a Symbol, we figure out what its corresponding code is. + # The resulting code will be a Fixnum, for real HTTP codes, and it will + # be a String for the pseudo-HTTP codes, such as: + # :success, :missing, :redirect and :error + class AssertionResponse + attr_reader :code, :name + + GENERIC_RESPONSE_CODES = { # :nodoc: + success: "2XX", + missing: "404", + redirect: "3XX", + error: "5XX" + } + + def initialize(code_or_name) + if code_or_name.is_a?(Symbol) + @name = code_or_name + @code = code_from_name(code_or_name) + else + @name = name_from_code(code_or_name) + @code = code_or_name + end + + raise ArgumentError, "Invalid response name: #{name}" if @code.nil? + raise ArgumentError, "Invalid response code: #{code}" if @name.nil? + end + + def code_and_name + "#{code}: #{name}" + end + + private + + def code_from_name(name) + GENERIC_RESPONSE_CODES[name] || Rack::Utils::SYMBOL_TO_STATUS_CODE[name] + end + + def name_from_code(code) + GENERIC_RESPONSE_CODES.invert[code] || Rack::Utils::HTTP_STATUS_CODES[code] + end + end +end diff --git a/actionpack/lib/action_dispatch/testing/assertions/response.rb b/actionpack/lib/action_dispatch/testing/assertions/response.rb index c138660a21..cd55b7d975 100644 --- a/actionpack/lib/action_dispatch/testing/assertions/response.rb +++ b/actionpack/lib/action_dispatch/testing/assertions/response.rb @@ -1,4 +1,3 @@ - module ActionDispatch module Assertions # A small suite of assertions that test responses from \Rails applications. @@ -29,18 +28,10 @@ module ActionDispatch def assert_response(type, message = nil) message ||= generate_response_message(type) - if Symbol === type - if [:success, :missing, :redirect, :error].include?(type) - assert @response.send(RESPONSE_PREDICATES[type]), message - else - code = Rack::Utils::SYMBOL_TO_STATUS_CODE[type] - if code.nil? - raise ArgumentError, "Invalid response type :#{type}" - end - assert_equal code, @response.response_code, message - end + if RESPONSE_PREDICATES.keys.include?(type) + assert @response.send(RESPONSE_PREDICATES[type]), message else - assert_equal type, @response.response_code, message + assert_equal AssertionResponse.new(type).code, @response.response_code, message end end @@ -85,8 +76,9 @@ module ActionDispatch end end - def generate_response_message(type, code = @response.response_code) - "Expected response to be a <#{type}>, but was a <#{code}>" + def generate_response_message(expected, actual = @response.response_code) + "Expected response to be a <#{code_with_name(expected)}>,"\ + " but was a <#{code_with_name(actual)}>" .concat location_if_redirected end @@ -95,6 +87,14 @@ module ActionDispatch location = normalize_argument_to_redirection(@response.location) " redirect to <#{location}>" end + + def code_with_name(code_or_name) + if RESPONSE_PREDICATES.values.include?("#{code_or_name}?".to_sym) + code_or_name = RESPONSE_PREDICATES.invert["#{code_or_name}?".to_sym] + end + + AssertionResponse.new(code_or_name).code_and_name + end end end end diff --git a/actionpack/lib/action_dispatch/testing/assertions/routing.rb b/actionpack/lib/action_dispatch/testing/assertions/routing.rb index 78ef860548..e7af27463c 100644 --- a/actionpack/lib/action_dispatch/testing/assertions/routing.rb +++ b/actionpack/lib/action_dispatch/testing/assertions/routing.rb @@ -86,6 +86,7 @@ module ActionDispatch end # Load routes.rb if it hasn't been loaded. + options = options.clone generated_path, query_string_keys = @routes.generate_extras(options, defaults) found_extras = options.reject { |k, _| ! query_string_keys.include? k } diff --git a/actionpack/lib/action_dispatch/testing/integration.rb b/actionpack/lib/action_dispatch/testing/integration.rb index 711ca10419..f4534b4173 100644 --- a/actionpack/lib/action_dispatch/testing/integration.rb +++ b/actionpack/lib/action_dispatch/testing/integration.rb @@ -71,7 +71,7 @@ module ActionDispatch end # Performs an XMLHttpRequest request with the given parameters, mirroring - # a request from the Prototype library. + # an AJAX request made from JavaScript. # # The request_method is +:get+, +:post+, +:patch+, +:put+, +:delete+ or # +:head+; the parameters are +nil+, a hash, or a url-encoded or multipart @@ -321,7 +321,9 @@ module ActionDispatch end # Performs the actual request. - def process(method, path, params: nil, headers: nil, env: nil, xhr: false) + def process(method, path, params: nil, headers: nil, env: nil, xhr: false, as: nil) + request_encoder = RequestEncoder.encoder(as) + if path =~ %r{://} location = URI.parse(path) https! URI::HTTPS === location if location.scheme @@ -330,14 +332,17 @@ module ActionDispatch url_host += ":#{location.port}" if default != location.port host! url_host end - path = location.query ? "#{location.path}?#{location.query}" : location.path + path = request_encoder.append_format_to location.path + path = location.query ? "#{path}?#{location.query}" : path + else + path = request_encoder.append_format_to path end hostname, port = host.split(':') request_env = { :method => method, - :params => params, + :params => request_encoder.encode_params(params), "SERVER_NAME" => hostname, "SERVER_PORT" => port || (https? ? "443" : "80"), @@ -347,7 +352,7 @@ module ActionDispatch "REQUEST_URI" => path, "HTTP_HOST" => host, "REMOTE_ADDR" => remote_addr, - "CONTENT_TYPE" => "application/x-www-form-urlencoded", + "CONTENT_TYPE" => request_encoder.content_type, "HTTP_ACCEPT" => accept } @@ -376,6 +381,7 @@ module ActionDispatch response = _mock_session.last_response @response = ActionDispatch::TestResponse.from_response(response) @response.request = @request + @response.response_parser = RequestEncoder.parser(@response.content_type) @html_document = nil @url_options = nil @@ -387,6 +393,56 @@ module ActionDispatch def build_full_uri(path, env) "#{env['rack.url_scheme']}://#{env['SERVER_NAME']}:#{env['SERVER_PORT']}#{path}" end + + class RequestEncoder # :nodoc: + @encoders = {} + + attr_reader :response_parser + + def initialize(mime_name, param_encoder, response_parser, url_encoded_form = false) + @mime = Mime[mime_name] + + unless @mime + raise ArgumentError, "Can't register a request encoder for " \ + "unregistered MIME Type: #{mime_name}. See `Mime::Type.register`." + end + + @url_encoded_form = url_encoded_form + @path_format = ".#{@mime.symbol}" unless @url_encoded_form + @response_parser = response_parser || -> body { body } + @param_encoder = param_encoder || :"to_#{@mime.symbol}".to_proc + end + + def append_format_to(path) + path << @path_format unless @url_encoded_form + path + end + + def content_type + @mime.to_s + end + + def encode_params(params) + @param_encoder.call(params) + end + + def self.parser(content_type) + mime = Mime::Type.lookup(content_type) + encoder(mime ? mime.ref : nil).response_parser + end + + def self.encoder(name) + @encoders[name] || WWWFormEncoder + end + + def self.register_encoder(mime_name, param_encoder: nil, response_parser: nil) + @encoders[mime_name] = new(mime_name, param_encoder, response_parser) + end + + register_encoder :json, response_parser: -> body { JSON.parse(body) } + + WWWFormEncoder = new(:url_encoded_form, -> params { params }, nil, true) + end end module Runner @@ -643,6 +699,39 @@ module ActionDispatch # end # end # + # You can also test your JSON API easily by setting what the request should + # be encoded as: + # + # require 'test_helper' + # + # class ApiTest < ActionDispatch::IntegrationTest + # test 'creates articles' do + # assert_difference -> { Article.count } do + # post articles_path, params: { article: { title: 'Ahoy!' } }, as: :json + # end + # + # assert_response :success + # assert_equal({ id: Arcticle.last.id, title: 'Ahoy!' }, response.parsed_body) + # end + # end + # + # The `as` option sets the format to JSON, sets the content type to + # 'application/json' and encodes the parameters as JSON. + # + # Calling `parsed_body` on the response parses the response body as what + # the last request was encoded as. If the request wasn't encoded `as` something, + # it's the same as calling `body`. + # + # For any custom MIME Types you've registered, you can even add your own encoders with: + # + # ActionDispatch::IntegrationTest.register_encoder :wibble, + # param_encoder: -> params { params.to_wibble }, + # response_parser: -> body { body } + # + # Where `param_encoder` defines how the params should be encoded and + # `response_parser` defines how the response body should be parsed through + # `parsed_body`. + # # Consult the Rails Testing Guide for more. class IntegrationTest < ActiveSupport::TestCase @@ -671,5 +760,9 @@ module ActionDispatch def document_root_element html_document.root end + + def self.register_encoder(*args) + Integration::Session::RequestEncoder.register_encoder(*args) + end end end diff --git a/actionpack/lib/action_dispatch/testing/test_process.rb b/actionpack/lib/action_dispatch/testing/test_process.rb index eca0439909..1ecd7d14a7 100644 --- a/actionpack/lib/action_dispatch/testing/test_process.rb +++ b/actionpack/lib/action_dispatch/testing/test_process.rb @@ -1,6 +1,5 @@ require 'action_dispatch/middleware/cookies' require 'action_dispatch/middleware/flash' -require 'active_support/core_ext/hash/indifferent_access' module ActionDispatch module TestProcess diff --git a/actionpack/lib/action_dispatch/testing/test_response.rb b/actionpack/lib/action_dispatch/testing/test_response.rb index 4b79a90242..9d4b73a43d 100644 --- a/actionpack/lib/action_dispatch/testing/test_response.rb +++ b/actionpack/lib/action_dispatch/testing/test_response.rb @@ -18,5 +18,11 @@ module ActionDispatch # Was there a server-side error? alias_method :error?, :server_error? + + attr_writer :response_parser # :nodoc: + + def parsed_body + @parsed_body ||= @response_parser.call(body) + end end end |