Class: ActionDispatch::Integration::Session

Inherits:
Object
  • Object
show all
Includes:
Assertions, RequestHelpers, Routing::UrlFor, TestProcess, Minitest::Assertions
Defined in:
actionpack/lib/action_dispatch/testing/integration.rb

Overview

An instance of this class represents a set of requests and responses performed sequentially by a test process. Because you can instantiate multiple sessions and run them side-by-side, you can also mimic (to some limited extent) multiple simultaneous users interacting with your system.

Typically, you will instantiate a new session using IntegrationTest#open_session, rather than instantiating Integration::Session directly.

Constant Summary collapse

DEFAULT_HOST =
"www.example.com"

Constants included from Assertions::ResponseAssertions

Assertions::ResponseAssertions::RESPONSE_PREDICATES

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Routing::UrlFor

#full_url_for, #route_for, #url_for

Methods included from ActiveSupport::Concern

#append_features, #class_methods, extended, #included

Methods included from Routing::PolymorphicRoutes

#polymorphic_path, #polymorphic_url

Methods included from TestProcess

#assigns, #flash, #redirect_to_url, #session

Methods included from TestProcess::FixtureFile

#fixture_file_upload

Methods included from RequestHelpers

#delete, #follow_redirect!, #get, #head, #options, #patch, #post, #put

Methods included from Assertions

#html_document

Methods included from Assertions::RoutingAssertions

#assert_generates, #assert_recognizes, #assert_routing, #method_missing, #setup, #with_routing

Methods included from Assertions::ResponseAssertions

#assert_redirected_to, #assert_response

Constructor Details

#initialize(app) ⇒ Session

Create and initialize a new Session instance.


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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 127

def initialize(app)
  super()
  @app = app

  reset!
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class ActionDispatch::Assertions::RoutingAssertions

Instance Attribute Details

#acceptObject

The Accept header to send.


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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 104

def accept
  @accept
end

#controllerObject (readonly)

A reference to the controller instance used by the last request.


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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 113

def controller
  @controller
end

#hostObject

The hostname used in the last request.


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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 95

def host
  @host || DEFAULT_HOST
end

#remote_addrObject

The remote_addr used in the last request.


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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 101

def remote_addr
  @remote_addr
end

#requestObject (readonly)

A reference to the request instance used by the last request.


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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 116

def request
  @request
end

#request_countObject

A running counter of the number of requests processed.


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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 122

def request_count
  @request_count
end

#responseObject (readonly)

A reference to the response instance used by the last request.


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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 119

def response
  @response
end

Instance Method Details

#cookiesObject

A map of the cookies returned by the last response, and which will be sent with the next request.


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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 108

def cookies
  _mock_session.cookie_jar
end

#https!(flag = true) ⇒ Object

Specify whether or not the session should mimic a secure HTTPS request.

session.https!
session.https!(false)

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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 175

def https!(flag = true)
  @https = flag
end

#https?Boolean

Returns true if the session is mimicking a secure HTTPS request.

if session.https?
  ...
end

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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 184

def https?
  @https
end

#process(method, path, params: nil, headers: nil, env: nil, xhr: false, as: nil) ⇒ Object

Performs the actual request.

  • method: The HTTP method (GET, POST, PATCH, PUT, DELETE, HEAD, OPTIONS) as a symbol.

  • path: The URI (as a String) on which you want to perform the request.

  • params: The HTTP parameters that you want to pass. This may be nil, a Hash, or a String that is appropriately encoded (application/x-www-form-urlencoded or multipart/form-data).

  • headers: Additional headers to pass, as a Hash. The headers will be merged into the Rack env hash.

  • env: Additional env to pass, as a Hash. The headers will be merged into the Rack env hash.

  • xhr: Set to `true` if you want to make and Ajax request. Adds request headers characteristic of XMLHttpRequest e.g. HTTP_X_REQUESTED_WITH. The headers will be merged into the Rack env hash.

  • as: Used for encoding the request with different content type. Supports `:json` by default and will set the appropriate request headers. The headers will be merged into the Rack env hash.

This method is rarely used directly. Use #get, #post, or other standard HTTP methods in integration tests. #process is only required when using a request method that doesn't have a method defined in the integration tests.

This method returns the response status, after performing the request. Furthermore, if this method was called from an ActionDispatch::IntegrationTest object, then that object's @response instance variable will point to a Response object which one can use to inspect the details of the response.

Example:

process :get, '/author', params: { since: 201501011400 }

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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 221

def process(method, path, params: nil, headers: nil, env: nil, xhr: false, as: nil)
  request_encoder = RequestEncoder.encoder(as)
  headers ||= {}

  if method == :get && as == :json && params
    headers["X-Http-Method-Override"] = "GET"
    method = :post
  end

  if %r{://}.match?(path)
    path = build_expanded_path(path) do |location|
      https! URI::HTTPS === location if location.scheme

      if url_host = location.host
        default = Rack::Request::DEFAULT_PORTS[location.scheme]
        url_host += ":#{location.port}" if default != location.port
        host! url_host
      end
    end
  end

  hostname, port = host.split(":")

  request_env = {
    :method => method,
    :params => request_encoder.encode_params(params),

    "SERVER_NAME"     => hostname,
    "SERVER_PORT"     => port || (https? ? "443" : "80"),
    "HTTPS"           => https? ? "on" : "off",
    "rack.url_scheme" => https? ? "https" : "http",

    "REQUEST_URI"    => path,
    "HTTP_HOST"      => host,
    "REMOTE_ADDR"    => remote_addr,
    "CONTENT_TYPE"   => request_encoder.content_type,
    "HTTP_ACCEPT"    => request_encoder.accept_header || accept
  }

  wrapped_headers = Http::Headers.from_hash({})
  wrapped_headers.merge!(headers) if headers

  if xhr
    wrapped_headers["HTTP_X_REQUESTED_WITH"] = "XMLHttpRequest"
    wrapped_headers["HTTP_ACCEPT"] ||= [Mime[:js], Mime[:html], Mime[:xml], "text/xml", "*/*"].join(", ")
  end

  # This modifies the passed request_env directly.
  if wrapped_headers.present?
    Http::Headers.from_hash(request_env).merge!(wrapped_headers)
  end
  if env.present?
    Http::Headers.from_hash(request_env).merge!(env)
  end

  session = Rack::Test::Session.new(_mock_session)

  # NOTE: rack-test v0.5 doesn't build a default uri correctly
  # Make sure requested path is always a full URI.
  session.request(build_full_uri(path, request_env), request_env)

  @request_count += 1
  @request = ActionDispatch::Request.new(session.last_request.env)
  response = _mock_session.last_response
  @response = ActionDispatch::TestResponse.from_response(response)
  @response.request = @request
  @html_document = nil
  @url_options = nil

  @controller = @request.controller_instance

  response.status
end

#reset!Object

Resets the instance. This can be used to reset the state information in an existing session instance, so it can be used from a clean-slate condition.

session.reset!

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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 151

def reset!
  @https = false
  @controller = @request = @response = nil
  @_mock_session = nil
  @request_count = 0
  @url_options = nil

  self.host        = DEFAULT_HOST
  self.remote_addr = "127.0.0.1"
  self.accept      = "text/xml,application/xml,application/xhtml+xml," \
                     "text/html;q=0.9,text/plain;q=0.8,image/png," \
                     "*/*;q=0.5"

  unless defined? @named_routes_configured
    # the helpers are made protected by default--we make them public for
    # easier access during testing and troubleshooting.
    @named_routes_configured = true
  end
end

#url_optionsObject


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# File 'actionpack/lib/action_dispatch/testing/integration.rb', line 134

def url_options
  @url_options ||= default_url_options.dup.tap do |url_options|
    url_options.reverse_merge!(controller.url_options) if controller

    if @app.respond_to?(:routes)
      url_options.reverse_merge!(@app.routes.default_url_options)
    end

    url_options.reverse_merge!(host: host, protocol: https? ? "https" : "http")
  end
end