From: Youhei SASAKI <uwabami@gfd-dennou.org>
Date: Tue, 5 Sep 2017 13:40:51 +0900
Subject: Import upstream rspec files

Signed-off-by: Youhei SASAKI <uwabami@gfd-dennou.org>
---
 spec/fixtures/bar.txt                |   1 +
 spec/fixtures/config.ru              |   3 +
 spec/fixtures/fake_app.rb            | 154 ++++++++++
 spec/fixtures/foo.txt                |   1 +
 spec/rack/test/cookie_jar_spec.rb    |  21 ++
 spec/rack/test/cookie_object_spec.rb |  66 ++++
 spec/rack/test/cookie_spec.rb        | 233 ++++++++++++++
 spec/rack/test/digest_auth_spec.rb   |  46 +++
 spec/rack/test/multipart_spec.rb     | 145 +++++++++
 spec/rack/test/uploaded_file_spec.rb |  60 ++++
 spec/rack/test/utils_spec.rb         | 198 ++++++++++++
 spec/rack/test_spec.rb               | 576 +++++++++++++++++++++++++++++++++++
 spec/spec_helper.rb                  |  66 ++++
 spec/support/matchers/body.rb        |   9 +
 spec/support/matchers/challenge.rb   |  11 +
 15 files changed, 1590 insertions(+)
 create mode 100644 spec/fixtures/bar.txt
 create mode 100644 spec/fixtures/config.ru
 create mode 100644 spec/fixtures/fake_app.rb
 create mode 100644 spec/fixtures/foo.txt
 create mode 100644 spec/rack/test/cookie_jar_spec.rb
 create mode 100644 spec/rack/test/cookie_object_spec.rb
 create mode 100644 spec/rack/test/cookie_spec.rb
 create mode 100644 spec/rack/test/digest_auth_spec.rb
 create mode 100644 spec/rack/test/multipart_spec.rb
 create mode 100644 spec/rack/test/uploaded_file_spec.rb
 create mode 100644 spec/rack/test/utils_spec.rb
 create mode 100644 spec/rack/test_spec.rb
 create mode 100644 spec/spec_helper.rb
 create mode 100644 spec/support/matchers/body.rb
 create mode 100644 spec/support/matchers/challenge.rb

diff --git a/spec/fixtures/bar.txt b/spec/fixtures/bar.txt
new file mode 100644
index 0000000..7601807
--- /dev/null
+++ b/spec/fixtures/bar.txt
@@ -0,0 +1 @@
+baz
diff --git a/spec/fixtures/config.ru b/spec/fixtures/config.ru
new file mode 100644
index 0000000..407c9b9
--- /dev/null
+++ b/spec/fixtures/config.ru
@@ -0,0 +1,3 @@
+require "fake_app"
+
+run Rack::Test::FakeApp
diff --git a/spec/fixtures/fake_app.rb b/spec/fixtures/fake_app.rb
new file mode 100644
index 0000000..b21a47c
--- /dev/null
+++ b/spec/fixtures/fake_app.rb
@@ -0,0 +1,154 @@
+require "rubygems"
+require "sinatra/base"
+
+module Rack
+  module Test
+
+    class FakeApp < Sinatra::Base
+      head "/" do
+        "meh"
+      end
+
+      options "/" do
+        [200, {}, ""]
+      end
+
+      get "/" do
+        "Hello, GET: #{params.inspect}"
+      end
+
+      get "/redirect" do
+        redirect "/redirected"
+      end
+
+      post "/redirect" do
+        if params["status"]
+          redirect to("/redirected"), Integer(params["status"])
+        else
+          redirect "/redirected"
+        end
+      end
+
+      [:get, :put, :post, :delete].each do |meth|
+        send(meth, "/redirected") do
+          additional_info = (meth == :get) ? "" : " using #{meth} with #{params}"
+          "You've been redirected" + additional_info
+        end
+      end
+
+      get "/void" do
+        [200, {}, ""]
+      end
+
+      get "/cookies/show" do
+        request.cookies.inspect
+      end
+
+      get "/COOKIES/show" do
+        request.cookies.inspect
+      end
+
+      get "/not-cookies/show" do
+        request.cookies.inspect
+      end
+
+      get "/cookies/set-secure" do
+        raise if params["value"].nil?
+
+        response.set_cookie("secure-cookie", :value => params["value"], :secure => true)
+        "Set"
+      end
+
+      get "/cookies/set-simple" do
+        raise if params["value"].nil?
+
+        response.set_cookie "simple", params["value"]
+        "Set"
+      end
+
+      post "/cookies/default-path" do
+        raise if params["value"].nil?
+
+        response.set_cookie "simple", params["value"]
+        "Set"
+      end
+
+      get "/cookies/default-path" do
+        response.cookies.inspect
+      end
+
+      get "/cookies/delete" do
+        response.delete_cookie "value"
+      end
+
+      get "/cookies/count" do
+        old_value = request.cookies["count"].to_i || 0
+        new_value = (old_value + 1).to_s
+
+        response.set_cookie("count", :value => new_value)
+        new_value
+      end
+
+      get "/cookies/set" do
+        raise if params["value"].nil?
+
+        response.set_cookie("value", {
+          :value => params["value"],
+          :path => "/cookies",
+          :expires => Time.now + 10
+        })
+        "Set"
+      end
+
+      get "/cookies/domain" do
+        old_value = request.cookies["count"].to_i || 0
+        new_value = (old_value + 1).to_s
+
+        response.set_cookie("count", :value => new_value, :domain => "localhost.com")
+        new_value
+      end
+
+      get "/cookies/subdomain" do
+        old_value = request.cookies["count"].to_i || 0
+        new_value = (old_value + 1).to_s
+
+        response.set_cookie("count", :value => new_value, :domain => ".example.org")
+        new_value
+      end
+
+      get "/cookies/set-uppercase" do
+        raise if params["value"].nil?
+
+        response.set_cookie("VALUE", {
+          :value => params["value"],
+          :path => "/cookies",
+          :expires => Time.now + 10
+        })
+        "Set"
+      end
+
+      get "/cookies/set-multiple" do
+        response.set_cookie("key1", :value => "value1")
+        response.set_cookie("key2", :value => "value2")
+        "Set"
+      end
+
+      post "/" do
+        "Hello, POST: #{params.inspect}"
+      end
+
+      put "/" do
+        "Hello, PUT: #{params.inspect}"
+      end
+
+      patch "/" do
+        "Hello, PUT: #{params.inspect}"
+      end
+
+      delete "/" do
+        "Hello, DELETE: #{params.inspect}"
+      end
+    end
+
+  end
+end
diff --git a/spec/fixtures/foo.txt b/spec/fixtures/foo.txt
new file mode 100644
index 0000000..5716ca5
--- /dev/null
+++ b/spec/fixtures/foo.txt
@@ -0,0 +1 @@
+bar
diff --git a/spec/rack/test/cookie_jar_spec.rb b/spec/rack/test/cookie_jar_spec.rb
new file mode 100644
index 0000000..90efd2a
--- /dev/null
+++ b/spec/rack/test/cookie_jar_spec.rb
@@ -0,0 +1,21 @@
+require "spec_helper"
+
+describe Rack::Test::CookieJar do
+  subject(:jar) { Rack::Test::CookieJar.new }
+
+  describe "#get_cookie" do
+    context "with a populated jar" do
+      let(:cookie_value) { "foo;abc" }
+      let(:cookie_name) { "a_cookie_name" }
+
+      before do
+        jar[cookie_name] = cookie_value
+      end
+
+      it "returns full cookie objects" do
+        cookie = jar.get_cookie(cookie_name)
+        expect(cookie).to be_a(Rack::Test::Cookie)
+      end
+    end
+  end
+end
diff --git a/spec/rack/test/cookie_object_spec.rb b/spec/rack/test/cookie_object_spec.rb
new file mode 100644
index 0000000..f08b827
--- /dev/null
+++ b/spec/rack/test/cookie_object_spec.rb
@@ -0,0 +1,66 @@
+require "spec_helper"
+
+describe Rack::Test::Cookie do
+  subject(:cookie) { Rack::Test::Cookie.new(cookie_string) }
+
+  let(:cookie_string) { raw_cookie_string }
+
+  let(:raw_cookie_string) {
+    [
+      "cookie_name=" + CGI.escape(value),
+      "domain=" + domain,
+      "path=" + path,
+      "expires=" + expires,
+    ].join("; ")
+  }
+
+  let(:http_only_raw_cookie_string) {
+    raw_cookie_string + "; HttpOnly"
+  }
+
+  let(:http_only_secure_raw_cookie_string) {
+    http_only_raw_cookie_string + "; secure"
+  }
+
+  let(:value) { "the cookie value" }
+  let(:domain) { "www.example.org" }
+  let(:path) { "/" }
+  let(:expires) { "Mon, 10 Aug 2015 14:40:57 0100" }
+
+  describe "#to_h" do
+    let(:cookie_string) { http_only_secure_raw_cookie_string }
+
+    it "returns the cookie value and all options" do
+      expect(cookie.to_h).to eq(
+                               "value" => value,
+                               "domain" => domain,
+                               "path" => path,
+                               "expires" => expires,
+                               "HttpOnly" => true,
+                               "secure" => true,
+                             )
+    end
+  end
+
+  describe "#to_hash" do
+    it "is an alias for #to_h" do
+      expect(cookie.to_hash).to eq(cookie.to_h)
+    end
+  end
+
+  describe "#http_only?" do
+    context "for a non HTTP only cookie" do
+      it "returns false" do
+        expect(cookie.http_only?).to be(false)
+      end
+    end
+
+    context "for a HTTP only cookie" do
+      let(:cookie_string) { http_only_raw_cookie_string }
+
+      it "returns true" do
+        expect(cookie.http_only?).to be(true)
+      end
+    end
+  end
+end
diff --git a/spec/rack/test/cookie_spec.rb b/spec/rack/test/cookie_spec.rb
new file mode 100644
index 0000000..0b8a623
--- /dev/null
+++ b/spec/rack/test/cookie_spec.rb
@@ -0,0 +1,233 @@
+require "spec_helper"
+
+describe Rack::Test::Session do
+
+  context "cookies" do
+    it "keeps a cookie jar" do
+      get "/cookies/show"
+      check expect(last_request.cookies).to eq({})
+
+      get "/cookies/set", "value" => "1"
+      get "/cookies/show"
+      expect(last_request.cookies).to eq({ "value" => "1" })
+    end
+
+    it "doesn't send expired cookies" do
+      get "/cookies/set", "value" => "1"
+      now = Time.now
+      allow(Time).to receive_messages(:now => now + 60)
+      get "/cookies/show"
+      expect(last_request.cookies).to eq({})
+    end
+
+    it "cookie path defaults to the uri of the document that was requested" do
+      skip "See issue rack-test github issue #50"
+      post "/cookies/default-path", "value" => "cookie"
+      get "/cookies/default-path"
+      expect(last_request.cookies).to eq({ "simple"=>"cookie" })
+      get "/cookies/show"
+      expect(last_request.cookies).to eq({})
+    end
+
+    it "escapes cookie values" do
+      jar = Rack::Test::CookieJar.new
+      jar["value"] = "foo;abc"
+      expect(jar["value"]).to eq("foo;abc")
+    end
+
+    it "deletes cookies directly from the CookieJar" do
+      jar = Rack::Test::CookieJar.new
+      jar["abcd"] = "1234"
+      expect(jar["abcd"]).to eq("1234")
+      jar.delete("abcd")
+      expect(jar["abcd"]).to eq(nil)
+    end
+
+    it "allow symbol access" do
+      jar = Rack::Test::CookieJar.new
+      jar["value"] = "foo;abc"
+      jar[:value].should == "foo;abc"
+    end
+
+    it "doesn't send cookies with the wrong domain" do
+      get "http://www.example.com/cookies/set", "value" => "1"
+      get "http://www.other.example/cookies/show"
+      expect(last_request.cookies).to eq({})
+    end
+
+    it "doesn't send cookies with the wrong path" do
+      get "/cookies/set", "value" => "1"
+      get "/not-cookies/show"
+      expect(last_request.cookies).to eq({})
+    end
+
+    it "persists cookies across requests that don't return any cookie headers" do
+      get "/cookies/set", "value" => "1"
+      get "/void"
+      get "/cookies/show"
+      expect(last_request.cookies).to eq({ "value" => "1" })
+    end
+
+    it "deletes cookies" do
+      get "/cookies/set", "value" => "1"
+      get "/cookies/delete"
+      get "/cookies/show"
+      expect(last_request.cookies).to eq({ })
+    end
+
+    it "respects cookie domains when no domain is explicitly set" do
+      skip "FIXME: www.example.org should not get the first cookie"
+      expect(request("http://example.org/cookies/count")).to     have_body("1")
+      expect(request("http://www.example.org/cookies/count")).to have_body("1")
+      expect(request("http://example.org/cookies/count")).to     have_body("2")
+      expect(request("http://www.example.org/cookies/count")).to have_body("2")
+    end
+
+    it "treats domains case insensitively" do
+      get "http://example.com/cookies/set", "value" => "1"
+      get "http://EXAMPLE.COM/cookies/show"
+      expect(last_request.cookies).to eq({ "value" => "1" })
+    end
+
+    it "treats paths case sensitively" do
+      get "/cookies/set", "value" => "1"
+      get "/COOKIES/show"
+      expect(last_request.cookies).to eq({})
+    end
+
+    it "prefers more specific cookies" do
+      get "http://example.com/cookies/set",     "value" => "domain"
+      get "http://sub.example.com/cookies/set", "value" => "sub"
+
+      get "http://sub.example.com/cookies/show"
+      check expect(last_request.cookies).to eq({ "value" => "sub" })
+
+      get "http://example.com/cookies/show"
+      expect(last_request.cookies).to eq({ "value" => "domain" })
+    end
+
+    it "treats cookie names case insensitively" do
+      get "/cookies/set", "value" => "lowercase"
+      get "/cookies/set-uppercase", "value" => "UPPERCASE"
+      get "/cookies/show"
+      expect(last_request.cookies).to eq({ "VALUE" => "UPPERCASE" })
+    end
+
+    it "defaults the domain to the request domain" do
+      get "http://example.com/cookies/set-simple", "value" => "cookie"
+      get "http://example.com/cookies/show"
+      check expect(last_request.cookies).to eq({ "simple" => "cookie" })
+
+      get "http://other.example/cookies/show"
+      expect(last_request.cookies).to eq({})
+    end
+
+    it "defaults the domain to the request path up to the last slash" do
+      get "/cookies/set-simple", "value" => "1"
+      get "/not-cookies/show"
+      expect(last_request.cookies).to eq({})
+    end
+
+    it "supports secure cookies" do
+      get "https://example.com/cookies/set-secure", "value" => "set"
+      get "http://example.com/cookies/show"
+      check expect(last_request.cookies).to eq({})
+
+      get "https://example.com/cookies/show"
+      expect(last_request.cookies).to eq({ "secure-cookie" => "set" })
+      expect(rack_mock_session.cookie_jar['secure-cookie']).to eq('set')
+    end
+
+    it "supports secure cookies when enabling SSL via env" do
+      get "//example.com/cookies/set-secure", { "value" => "set" }, "HTTPS" => "on"
+      get "//example.com/cookies/show", nil, "HTTPS" => "off"
+      check expect(last_request.cookies).to eq({})
+
+      get "//example.com/cookies/show", nil, "HTTPS" => "on"
+      expect(last_request.cookies).to eq({ "secure-cookie" => "set" })
+      expect(rack_mock_session.cookie_jar['secure-cookie']).to eq('set')
+    end
+
+    it "keeps separate cookie jars for different domains" do
+      get "http://example.com/cookies/set", "value" => "example"
+      get "http://example.com/cookies/show"
+      check expect(last_request.cookies).to eq({ "value" => "example" })
+
+      get "http://other.example/cookies/set", "value" => "other"
+      get "http://other.example/cookies/show"
+      check expect(last_request.cookies).to eq({ "value" => "other" })
+
+      get "http://example.com/cookies/show"
+      expect(last_request.cookies).to eq({ "value" => "example" })
+    end
+
+    it "keeps one cookie jar for domain and its subdomains" do
+      get "http://example.org/cookies/subdomain"
+      get "http://example.org/cookies/subdomain"
+      expect(last_request.cookies).to eq({ "count" => "1" })
+
+      get "http://foo.example.org/cookies/subdomain"
+      expect(last_request.cookies).to eq({ "count" => "2" })
+    end
+
+    it "allows cookies to be cleared" do
+      get "/cookies/set", "value" => "1"
+      clear_cookies
+      get "/cookies/show"
+      expect(last_request.cookies).to eq({})
+    end
+
+    it "allow cookies to be set" do
+      set_cookie "value=10"
+      get "/cookies/show"
+      expect(last_request.cookies).to eq({ "value" => "10" })
+    end
+
+    it "allows an array of cookies to be set" do
+      set_cookie ["value=10", "foo=bar"]
+      get "/cookies/show"
+      expect(last_request.cookies).to eq({ "value" => "10", "foo" => "bar" })
+    end
+
+    it "skips emtpy string cookies" do
+      set_cookie "value=10\n\nfoo=bar"
+      get "/cookies/show"
+      expect(last_request.cookies).to eq({ "value" => "10", "foo" => "bar" })
+    end
+
+    it "parses multiple cookies properly" do
+      get "/cookies/set-multiple"
+      get "/cookies/show"
+      expect(last_request.cookies).to eq({ "key1" => "value1", "key2" => "value2" })
+    end
+
+    it "supports multiple sessions" do
+      with_session(:first) do
+        get "/cookies/set", "value" => "1"
+        get "/cookies/show"
+        expect(last_request.cookies).to eq({ "value" => "1" })
+      end
+
+      with_session(:second) do
+        get "/cookies/show"
+        expect(last_request.cookies).to eq({ })
+      end
+    end
+
+    it "uses :default as the default session name" do
+      get "/cookies/set", "value" => "1"
+      get "/cookies/show"
+      check expect(last_request.cookies).to eq({ "value" => "1" })
+
+      with_session(:default) do
+        get "/cookies/show"
+        expect(last_request.cookies).to eq({ "value" => "1" })
+      end
+    end
+
+    it "accepts explicitly provided cookies" do
+      request "/cookies/show", :cookie => "value=1"
+      expect(last_request.cookies).to eq({ "value" => "1" })
+    end
+  end
+end
diff --git a/spec/rack/test/digest_auth_spec.rb b/spec/rack/test/digest_auth_spec.rb
new file mode 100644
index 0000000..cccf1d6
--- /dev/null
+++ b/spec/rack/test/digest_auth_spec.rb
@@ -0,0 +1,46 @@
+require "spec_helper"
+
+describe Rack::Test::Session do
+  context "HTTP Digest authentication" do
+
+    def app
+      app = Rack::Auth::Digest::MD5.new(Rack::Test::FakeApp.new) do |username|
+        { 'alice' => 'correct-password' }[username]
+      end
+      app.realm = 'WallysWorld'
+      app.opaque = 'this-should-be-secret'
+      app
+    end
+
+    it 'incorrectly authenticates GETs' do
+      digest_authorize 'foo', 'bar'
+      get '/'
+      expect(last_response).to be_challenge
+    end
+
+    it "correctly authenticates GETs" do
+      digest_authorize "alice", "correct-password"
+      response = get "/"
+      expect(response).to be_ok
+    end
+
+    it "correctly authenticates GETs with params" do
+      digest_authorize "alice", "correct-password"
+      response = get "/", "foo" => "bar"
+      expect(response).to be_ok
+    end
+
+    it "correctly authenticates POSTs" do
+      digest_authorize "alice", "correct-password"
+      response = post "/"
+      expect(response).to be_ok
+    end
+
+    it "returns a re-challenge if authenticating incorrectly" do
+      digest_authorize "alice", "incorrect-password"
+      response = get "/"
+      expect(response).to be_challenge
+    end
+
+  end
+end
diff --git a/spec/rack/test/multipart_spec.rb b/spec/rack/test/multipart_spec.rb
new file mode 100644
index 0000000..2e7bf16
--- /dev/null
+++ b/spec/rack/test/multipart_spec.rb
@@ -0,0 +1,145 @@
+# encoding: UTF-8
+
+require "spec_helper"
+
+describe Rack::Test::Session do
+
+  def test_file_path
+    File.dirname(__FILE__) + "/../../fixtures/foo.txt"
+  end
+
+  def second_test_file_path
+    File.dirname(__FILE__) + "/../../fixtures/bar.txt"
+  end
+
+  def uploaded_file
+    Rack::Test::UploadedFile.new(test_file_path)
+  end
+
+  def second_uploaded_file
+    Rack::Test::UploadedFile.new(second_test_file_path)
+  end
+
+  context "uploading a file" do
+    it "sends the multipart/form-data content type" do
+      post "/", "photo" => uploaded_file
+      expect(last_request.env["CONTENT_TYPE"]).to include("multipart/form-data;")
+    end
+
+    it "sends regular params" do
+      post "/", "photo" => uploaded_file, "foo" => "bar"
+      expect(last_request.POST["foo"]).to eq("bar")
+    end
+
+    it "sends nested params" do
+      post "/", "photo" => uploaded_file, "foo" => {"bar" => "baz"}
+      expect(last_request.POST["foo"]["bar"]).to eq("baz")
+    end
+
+    it "sends multiple nested params" do
+      post "/", "photo" => uploaded_file, "foo" => {"bar" => {"baz" => "bop"}}
+      expect(last_request.POST["foo"]["bar"]["baz"]).to eq("bop")
+    end
+
+    it "sends params with arrays" do
+      post "/", "photo" => uploaded_file, "foo" => ["1", "2"]
+      expect(last_request.POST["foo"]).to eq(["1", "2"])
+    end
+
+    it "sends params with encoding sensitive values" do
+      post "/", "photo" => uploaded_file, "foo" => "bar? baz"
+      expect(last_request.POST["foo"]).to eq("bar? baz")
+    end
+
+    it "sends params encoded as ISO-8859-1" do
+      post "/", "photo" => uploaded_file, "foo" => "bar", "utf8" => "☃"
+      expect(last_request.POST["foo"]).to eq("bar")
+
+      if Rack::Test.encoding_aware_strings?
+        expect(last_request.POST["utf8"]).to eq("☃")
+      else
+        expect(last_request.POST["utf8"]).to eq("\xE2\x98\x83")
+      end
+    end
+
+    it "sends params with parens in names" do
+      post "/", "photo" => uploaded_file, "foo(1i)" => "bar"
+      expect(last_request.POST["foo(1i)"]).to eq("bar")
+    end
+
+    it "sends params with encoding sensitive names" do
+      post "/", "photo" => uploaded_file, "foo bar" => "baz"
+      expect(last_request.POST["foo bar"]).to eq("baz")
+    end
+
+    it "sends files with the filename" do
+      post "/", "photo" => uploaded_file
+      expect(last_request.POST["photo"][:filename]).to eq("foo.txt")
+    end
+
+    it "sends files with the text/plain MIME type by default" do
+      post "/", "photo" => uploaded_file
+      expect(last_request.POST["photo"][:type]).to eq("text/plain")
+    end
+
+    it "sends files with the right name" do
+      post "/", "photo" => uploaded_file
+      expect(last_request.POST["photo"][:name]).to eq("photo")
+    end
+
+    it "allows overriding the content type" do
+      post "/", "photo" => Rack::Test::UploadedFile.new(test_file_path, "image/jpeg")
+      expect(last_request.POST["photo"][:type]).to eq("image/jpeg")
+    end
+
+    it "sends files with a Content-Length in the header" do
+      post "/", "photo" => uploaded_file
+      expect(last_request.POST["photo"][:head]).to include("Content-Length: 4")
+    end
+
+    it "sends files as Tempfiles" do
+      post "/", "photo" => uploaded_file
+      expect(last_request.POST["photo"][:tempfile]).to be_a(::Tempfile)
+    end
+  end
+
+
+  context "uploading two files" do
+    it "sends the multipart/form-data content type" do
+      post "/", "photos" => [uploaded_file, second_uploaded_file]
+      expect(last_request.env["CONTENT_TYPE"]).to include("multipart/form-data;")
+    end
+
+    it "sends files with the filename" do
+      post "/", "photos" => [uploaded_file, second_uploaded_file]
+      expect(last_request.POST["photos"].collect{|photo| photo[:filename]}).to eq(["foo.txt", "bar.txt"])
+    end
+
+    it "sends files with the text/plain MIME type by default" do
+      post "/", "photos" => [uploaded_file, second_uploaded_file]
+      expect(last_request.POST["photos"].collect{|photo| photo[:type]}).to eq(["text/plain", "text/plain"])
+    end
+
+    it "sends files with the right names" do
+      post "/", "photos" => [uploaded_file, second_uploaded_file]
+      last_request.POST["photos"].all?{|photo| expect(photo[:name]).to eq("photos[]") }
+    end
+
+    it "allows mixed content types" do
+      image_file = Rack::Test::UploadedFile.new(test_file_path, "image/jpeg")
+
+      post "/", "photos" => [uploaded_file, image_file]
+      expect(last_request.POST["photos"].collect{|photo| photo[:type]}).to eq(["text/plain", "image/jpeg"])
+    end
+
+    it "sends files with a Content-Length in the header" do
+      post "/", "photos" => [uploaded_file, second_uploaded_file]
+      last_request.POST["photos"].all?{|photo| expect(photo[:head]).to include("Content-Length: 4") }
+    end
+
+    it "sends both files as Tempfiles" do
+      post "/", "photos" => [uploaded_file, second_uploaded_file]
+      last_request.POST["photos"].all?{|photo| expect(photo[:tempfile]).to be_a(::Tempfile) }
+    end
+  end
+end
diff --git a/spec/rack/test/uploaded_file_spec.rb b/spec/rack/test/uploaded_file_spec.rb
new file mode 100644
index 0000000..634d491
--- /dev/null
+++ b/spec/rack/test/uploaded_file_spec.rb
@@ -0,0 +1,60 @@
+require "spec_helper"
+
+describe Rack::Test::UploadedFile do
+  def test_file_path
+    File.dirname(__FILE__) + "/../../fixtures/foo.txt"
+  end
+
+  it "returns an instance of `Rack::Test::UploadedFile`" do
+    uploaded_file = Rack::Test::UploadedFile.new(test_file_path)
+
+    expect(uploaded_file).to be_a(Rack::Test::UploadedFile)
+  end
+
+  it "responds to things that Tempfile responds to" do
+    uploaded_file = Rack::Test::UploadedFile.new(test_file_path)
+
+    expect(uploaded_file).to respond_to(:close)
+    expect(uploaded_file).to respond_to(:close!)
+    expect(uploaded_file).to respond_to(:delete)
+    expect(uploaded_file).to respond_to(:length)
+    expect(uploaded_file).to respond_to(:open)
+    expect(uploaded_file).to respond_to(:path)
+    expect(uploaded_file).to respond_to(:size)
+    expect(uploaded_file).to respond_to(:unlink)
+    expect(uploaded_file).to respond_to(:read)
+    expect(uploaded_file).to respond_to(:original_filename)
+    expect(uploaded_file).to respond_to(:tempfile) # Allows calls to params[:file].tempfile
+  end
+
+  it "creates Tempfiles with original file's extension" do
+    uploaded_file = Rack::Test::UploadedFile.new(test_file_path)
+
+    expect(File.extname(uploaded_file.path)).to eq(".txt")
+  end
+
+  context "it should call its destructor" do
+    it "calls the destructor" do
+      expect(Rack::Test::UploadedFile).to receive(:actually_finalize).at_least(:once)
+
+      if RUBY_PLATFORM == 'java'
+        require 'java'
+        java_import 'java.lang.System'
+
+        50.times do |i|
+          uploaded_file = Rack::Test::UploadedFile.new(test_file_path)
+
+          uploaded_file = nil
+
+          System.gc()
+        end
+      else
+        uploaded_file = Rack::Test::UploadedFile.new(test_file_path)
+
+        uploaded_file = nil
+
+        GC.start
+      end
+    end
+  end
+end
diff --git a/spec/rack/test/utils_spec.rb b/spec/rack/test/utils_spec.rb
new file mode 100644
index 0000000..d94a249
--- /dev/null
+++ b/spec/rack/test/utils_spec.rb
@@ -0,0 +1,198 @@
+require "spec_helper"
+
+describe Rack::Test::Utils do
+  include Rack::Test::Utils
+
+  describe "build_nested_query" do
+    it "converts empty strings to =" do
+      expect(build_nested_query("")).to eq("=")
+    end
+
+    it "converts nil to an empty string" do
+      expect(build_nested_query(nil)).to eq("")
+    end
+
+    it "converts hashes with nil values" do
+      expect(build_nested_query(:a => nil)).to eq("a")
+    end
+
+    it "converts hashes" do
+      expect(build_nested_query(:a => 1)).to eq("a=1")
+    end
+
+    it "converts hashes with multiple keys" do
+      hash = { :a => 1, :b => 2 }
+      expect(["a=1&b=2", "b=2&a=1"]).to include(build_nested_query(hash))
+    end
+
+    it "converts arrays with one element" do
+      expect(build_nested_query(:a => [1])).to eq("a[]=1")
+    end
+
+    it "converts arrays with multiple elements" do
+      expect(build_nested_query(:a => [1, 2])).to eq("a[]=1&a[]=2")
+    end
+
+    it "converts arrays with brackets '[]' in the name" do
+      expect(build_nested_query("a[]" => [1, 2])).to eq("a%5B%5D=1&a%5B%5D=2")
+    end
+
+    it "converts nested hashes" do
+      expect(build_nested_query(:a => { :b => 1 })).to eq("a[b]=1")
+    end
+
+    it "converts arrays nested in a hash" do
+      expect(build_nested_query(:a => { :b => [1, 2] })).to eq("a[b][]=1&a[b][]=2")
+    end
+
+    it "converts arrays of hashes" do
+      expect(build_nested_query(:a => [{ :b => 2}, { :c => 3}])).to eq("a[][b]=2&a[][c]=3")
+    end
+
+    it "supports hash keys with empty arrays" do
+      input = { collection: [] }
+      expect(build_nested_query(input)).to eq('collection[]=')
+    end
+  end
+
+  describe "Rack::Test::Utils.build_multipart" do
+    it "builds multipart bodies" do
+      files = Rack::Test::UploadedFile.new(multipart_file("foo.txt"))
+      data  = Rack::Test::Utils.build_multipart("submit-name" => "Larry", "files" => files)
+
+      options = {
+        "CONTENT_TYPE" => "multipart/form-data; boundary=#{Rack::Test::MULTIPART_BOUNDARY}",
+        "CONTENT_LENGTH" => data.length.to_s,
+        :input => StringIO.new(data)
+      }
+      env = Rack::MockRequest.env_for("/", options)
+      params = Rack::Multipart.parse_multipart(env)
+      check expect(params["submit-name"]).to eq("Larry")
+      check expect(params["files"][:filename]).to eq("foo.txt")
+      expect(params["files"][:tempfile].read).to eq("bar\n")
+    end
+
+   it "builds multipart bodies from array of files" do
+      files = [Rack::Test::UploadedFile.new(multipart_file("foo.txt")), Rack::Test::UploadedFile.new(multipart_file("bar.txt"))]
+      data  = Rack::Test::Utils.build_multipart("submit-name" => "Larry", "files" => files)
+
+      options = {
+        "CONTENT_TYPE" => "multipart/form-data; boundary=#{Rack::Test::MULTIPART_BOUNDARY}",
+        "CONTENT_LENGTH" => data.length.to_s,
+        :input => StringIO.new(data)
+      }
+      env = Rack::MockRequest.env_for("/", options)
+      params = Rack::Multipart.parse_multipart(env)
+      check expect(params["submit-name"]).to eq("Larry")
+
+      check expect(params["files"][0][:filename]).to eq("foo.txt")
+      expect(params["files"][0][:tempfile].read).to eq("bar\n")
+
+      check expect(params["files"][1][:filename]).to eq("bar.txt")
+      expect(params["files"][1][:tempfile].read).to eq("baz\n")
+    end
+
+    it "builds nested multipart bodies" do
+      files = Rack::Test::UploadedFile.new(multipart_file("foo.txt"))
+      data  = Rack::Test::Utils.build_multipart("people" => [{"submit-name" => "Larry", "files" => files}], "foo" => ['1', '2'])
+
+      options = {
+        "CONTENT_TYPE" => "multipart/form-data; boundary=#{Rack::Test::MULTIPART_BOUNDARY}",
+        "CONTENT_LENGTH" => data.length.to_s,
+        :input => StringIO.new(data)
+      }
+      env = Rack::MockRequest.env_for("/", options)
+      params = Rack::Multipart.parse_multipart(env)
+      check expect(params["people"][0]["submit-name"]).to eq("Larry")
+      check expect(params["people"][0]["files"][:filename]).to eq("foo.txt")
+      expect(params["people"][0]["files"][:tempfile].read).to eq("bar\n")
+      check expect(params["foo"]).to eq(["1", "2"])
+    end
+
+    it "builds nested multipart bodies with an array of hashes" do
+      files = Rack::Test::UploadedFile.new(multipart_file("foo.txt"))
+      data  = Rack::Test::Utils.build_multipart("files" => files, "foo" => [{"id" => "1", "name" => 'Dave'}, {"id" => "2", "name" => 'Steve'}])
+
+      options = {
+        "CONTENT_TYPE" => "multipart/form-data; boundary=#{Rack::Test::MULTIPART_BOUNDARY}",
+        "CONTENT_LENGTH" => data.length.to_s,
+        :input => StringIO.new(data)
+      }
+      env = Rack::MockRequest.env_for("/", options)
+      params = Rack::Multipart.parse_multipart(env)
+      check expect(params["files"][:filename]).to eq("foo.txt")
+      expect(params["files"][:tempfile].read).to eq("bar\n")
+      check expect(params["foo"]).to eq([{"id" => "1", "name" => "Dave"}, {"id" => "2", "name" => "Steve"}])
+    end
+
+    it "builds nested multipart bodies with arbitrarily nested array of hashes" do
+      files = Rack::Test::UploadedFile.new(multipart_file("foo.txt"))
+      data  = Rack::Test::Utils.build_multipart("files" => files, "foo" => {"bar" => [{"id" => "1", "name" => 'Dave'},
+                                                                    {"id" => "2", "name" => 'Steve', "qux" => [{"id" => '3', "name" => 'mike'},
+                                                                                                               {"id" => '4', "name" => 'Joan'}]}]})
+
+      options = {
+        "CONTENT_TYPE" => "multipart/form-data; boundary=#{Rack::Test::MULTIPART_BOUNDARY}",
+        "CONTENT_LENGTH" => data.length.to_s,
+        :input => StringIO.new(data)
+      }
+      env = Rack::MockRequest.env_for("/", options)
+      params = Rack::Multipart.parse_multipart(env)
+      check expect(params["files"][:filename]).to eq("foo.txt")
+      expect(params["files"][:tempfile].read).to eq("bar\n")
+      check expect(params["foo"]).to eq({"bar" => [{"id" => "1", "name" => "Dave"},
+                                               {"id" => "2", "name" => "Steve", "qux" => [{"id" => '3', "name" => 'mike'},
+                                                                                          {"id" => '4', "name" => 'Joan'}]}]})
+    end
+
+    it 'does not break with params that look nested, but are not' do
+      files = Rack::Test::UploadedFile.new(multipart_file("foo.txt"))
+      data  = Rack::Test::Utils.build_multipart("foo[]" => "1", "bar[]" => {"qux" => "2"}, "files[]" => files)
+
+      options = {
+        "CONTENT_TYPE" => "multipart/form-data; boundary=#{Rack::Test::MULTIPART_BOUNDARY}",
+        "CONTENT_LENGTH" => data.length.to_s,
+        :input => StringIO.new(data)
+      }
+      env = Rack::MockRequest.env_for("/", options)
+      params = Rack::Multipart.parse_multipart(env)
+      check expect(params["files"][0][:filename]).to eq("foo.txt")
+      expect(params["files"][0][:tempfile].read).to eq("bar\n")
+      check expect(params["foo"][0]).to eq("1")
+      check expect(params["bar"][0]).to eq({"qux" => "2"})
+    end
+
+    it 'allows for nested files' do
+      files = Rack::Test::UploadedFile.new(multipart_file("foo.txt"))
+      data  = Rack::Test::Utils.build_multipart("foo" => [{"id" => "1", "data" => files},
+                                        {"id" => "2", "data" => ["3", "4"]}])
+
+      options = {
+        "CONTENT_TYPE" => "multipart/form-data; boundary=#{Rack::Test::MULTIPART_BOUNDARY}",
+        "CONTENT_LENGTH" => data.length.to_s,
+        :input => StringIO.new(data)
+      }
+      env = Rack::MockRequest.env_for("/", options)
+      params = Rack::Multipart.parse_multipart(env)
+      check expect(params["foo"][0]["id"]).to eq("1")
+      check expect(params["foo"][0]["data"][:filename]).to eq("foo.txt")
+      expect(params["foo"][0]["data"][:tempfile].read).to eq("bar\n")
+      check expect(params["foo"][1]).to eq({"id" => "2", "data" => ["3", "4"]})
+    end
+
+    it "returns nil if no UploadedFiles were used" do
+      data = Rack::Test::Utils.build_multipart("people" => [{"submit-name" => "Larry", "files" => "contents"}])
+      expect(data).to be_nil
+    end
+
+    it "raises ArgumentErrors if params is not a Hash" do
+      expect {
+        Rack::Test::Utils.build_multipart("foo=bar")
+      }.to raise_error(ArgumentError, "value must be a Hash")
+    end
+
+    def multipart_file(name)
+      File.join(File.dirname(__FILE__), "..", "..", "fixtures", name.to_s)
+    end
+  end
+end
diff --git a/spec/rack/test_spec.rb b/spec/rack/test_spec.rb
new file mode 100644
index 0000000..bb7f776
--- /dev/null
+++ b/spec/rack/test_spec.rb
@@ -0,0 +1,576 @@
+require "spec_helper"
+
+describe Rack::Test::Session do
+  describe "initialization" do
+    it "supports being initialized with a Rack::MockSession app" do
+      session = Rack::Test::Session.new(Rack::MockSession.new(app))
+      expect(session.request("/")).to be_ok
+    end
+
+    it "supports being initialized with an app" do
+      session = Rack::Test::Session.new(app)
+      expect(session.request("/")).to be_ok
+    end
+  end
+
+  describe "#request" do
+    it "requests the URI using GET by default" do
+      request "/"
+      expect(last_request).to be_get
+      expect(last_response).to be_ok
+    end
+
+    it "returns a response" do
+      expect(request("/")).to be_ok
+    end
+
+    it "uses the provided env" do
+      request "/", "X-Foo" => "bar"
+      expect(last_request.env["X-Foo"]).to eq("bar")
+    end
+
+    it "allows HTTP_HOST to be set" do
+      request "/", "HTTP_HOST" => "www.example.ua"
+      expect(last_request.env['HTTP_HOST']).to eq("www.example.ua")
+    end
+
+    it "sets HTTP_HOST with port for non-default ports" do
+      request "http://foo.com:8080"
+      expect(last_request.env["HTTP_HOST"]).to eq("foo.com:8080")
+      request "https://foo.com:8443"
+      expect(last_request.env["HTTP_HOST"]).to eq("foo.com:8443")
+    end
+
+    it "sets HTTP_HOST without port for default ports" do
+      request "http://foo.com"
+      expect(last_request.env["HTTP_HOST"]).to eq("foo.com")
+      request "http://foo.com:80"
+      expect(last_request.env["HTTP_HOST"]).to eq("foo.com")
+      request "https://foo.com:443"
+      expect(last_request.env["HTTP_HOST"]).to eq("foo.com")
+    end
+
+    it "defaults to GET" do
+      request "/"
+      expect(last_request.env["REQUEST_METHOD"]).to eq("GET")
+    end
+
+    it "defaults the REMOTE_ADDR to 127.0.0.1" do
+      request "/"
+      expect(last_request.env["REMOTE_ADDR"]).to eq("127.0.0.1")
+    end
+
+    it "sets rack.test to true in the env" do
+      request "/"
+      expect(last_request.env["rack.test"]).to eq(true)
+    end
+
+    it "defaults to port 80" do
+      request "/"
+      expect(last_request.env["SERVER_PORT"]).to eq("80")
+    end
+
+    it "defaults to example.org" do
+      request "/"
+      expect(last_request.env["SERVER_NAME"]).to eq("example.org")
+    end
+
+    it "yields the response to a given block" do
+      request "/" do |response|
+        expect(response).to be_ok
+      end
+    end
+
+    it "supports sending :params" do
+      request "/", :params => { "foo" => "bar" }
+      expect(last_request.GET["foo"]).to eq("bar")
+    end
+
+    it "doesn't follow redirects by default" do
+      request "/redirect"
+      expect(last_response).to be_redirect
+      expect(last_response.body).to be_empty
+    end
+
+    it "allows passing :input in for POSTs" do
+      request "/", :method => :post, :input => "foo"
+      expect(last_request.env["rack.input"].read).to eq("foo")
+    end
+
+    it "converts method names to a uppercase strings" do
+      request "/", :method => :put
+      expect(last_request.env["REQUEST_METHOD"]).to eq("PUT")
+    end
+
+    it "prepends a slash to the URI path" do
+      request "foo"
+      expect(last_request.env["PATH_INFO"]).to eq("/foo")
+    end
+
+    it "accepts params and builds query strings for GET requests" do
+      request "/foo?baz=2", :params => {:foo => {:bar => "1"}}
+      expect(last_request.GET).to eq({ "baz" => "2", "foo" => { "bar" => "1" }})
+    end
+
+    it "parses query strings with repeated variable names correctly" do
+      request "/foo?bar=2&bar=3"
+      expect(last_request.GET).to eq({ "bar" => "3" })
+    end
+
+    it "accepts raw input in params for GET requests" do
+      request "/foo?baz=2", :params => "foo[bar]=1"
+      expect(last_request.GET).to eq({ "baz" => "2", "foo" => { "bar" => "1" }})
+    end
+
+    it "does not rewrite a GET query string when :params is not supplied" do
+      request "/foo?a=1&b=2&c=3&e=4&d=5+%20"
+      expect(last_request.query_string).to eq("a=1&b=2&c=3&e=4&d=5+%20")
+    end
+
+    it "does not rewrite a GET query string when :params is empty" do
+      request "/foo?a=1&b=2&c=3&e=4&d=5", :params => {}
+      last_request.query_string.should == "a=1&b=2&c=3&e=4&d=5"
+    end
+
+    it "does not overwrite multiple query string keys" do
+      request "/foo?a=1&a=2", :params => { :bar => 1 }
+      expect(last_request.query_string).to eq("a=1&a=2&bar=1")
+    end
+
+    it "accepts params and builds url encoded params for POST requests" do
+      request "/foo", :method => :post, :params => {:foo => {:bar => "1"}}
+      expect(last_request.env["rack.input"].read).to eq("foo[bar]=1")
+    end
+
+    it "accepts raw input in params for POST requests" do
+      request "/foo", :method => :post, :params => "foo[bar]=1"
+      expect(last_request.env["rack.input"].read).to eq("foo[bar]=1")
+    end
+
+    context "when the response body responds_to?(:close)" do
+      class CloseableBody
+        def initialize
+          @closed = false
+        end
+
+        def each
+          return if @closed
+          yield "Hello, World!"
+        end
+
+        def close
+          @closed = true
+        end
+      end
+
+      it "closes response's body" do
+        body = CloseableBody.new
+        expect(body).to receive(:close)
+
+        app = lambda do |env|
+          [200, {"Content-Type" => "text/html", "Content-Length" => "13"}, body]
+        end
+
+        session = Rack::Test::Session.new(Rack::MockSession.new(app))
+        session.request("/")
+      end
+
+      it "closes response's body after iteration" do
+        app = lambda do |env|
+          [200, {"Content-Type" => "text/html", "Content-Length" => "13"}, CloseableBody.new]
+        end
+
+        session = Rack::Test::Session.new(Rack::MockSession.new(app))
+        session.request("/")
+        expect(session.last_response.body).to eq("Hello, World!")
+      end
+    end
+
+    context "when input is given" do
+      it "sends the input" do
+        request "/", :method => "POST", :input => "foo"
+        expect(last_request.env["rack.input"].read).to eq("foo")
+      end
+
+      it "does not send a multipart request" do
+        request "/", :method => "POST", :input => "foo"
+        expect(last_request.env["CONTENT_TYPE"]).not_to eq("application/x-www-form-urlencoded")
+      end
+    end
+
+    context "for a POST specified with :method" do
+      it "uses application/x-www-form-urlencoded as the CONTENT_TYPE" do
+        request "/", :method => "POST"
+        expect(last_request.env["CONTENT_TYPE"]).to eq("application/x-www-form-urlencoded")
+      end
+    end
+
+    context "for a POST specified with REQUEST_METHOD" do
+      it "uses application/x-www-form-urlencoded as the CONTENT_TYPE" do
+        request "/", "REQUEST_METHOD" => "POST"
+        expect(last_request.env["CONTENT_TYPE"]).to eq("application/x-www-form-urlencoded")
+      end
+    end
+
+    context "when CONTENT_TYPE is specified in the env" do
+      it "does not overwrite the CONTENT_TYPE" do
+        request "/", "CONTENT_TYPE" => "application/xml"
+        expect(last_request.env["CONTENT_TYPE"]).to eq("application/xml")
+      end
+    end
+
+    context "when the URL is https://" do
+      it "sets rack.url_scheme to https" do
+        get "https://example.org/"
+        expect(last_request.env["rack.url_scheme"]).to eq("https")
+      end
+
+      it "sets SERVER_PORT to 443" do
+        get "https://example.org/"
+        expect(last_request.env["SERVER_PORT"]).to eq("443")
+      end
+
+      it "sets HTTPS to on" do
+        get "https://example.org/"
+        expect(last_request.env["HTTPS"]).to eq("on")
+      end
+    end
+
+    context "for a XHR" do
+      it "sends XMLHttpRequest for the X-Requested-With header" do
+        request "/", :xhr => true
+        expect(last_request.env["HTTP_X_REQUESTED_WITH"]).to eq("XMLHttpRequest")
+        expect(last_request).to be_xhr
+      end
+    end
+  end
+
+  describe "#header" do
+    it "sets a header to be sent with requests" do
+      header "User-Agent", "Firefox"
+      request "/"
+
+      expect(last_request.env["HTTP_USER_AGENT"]).to eq("Firefox")
+    end
+
+    it "sets a Content-Type to be sent with requests" do
+      header "Content-Type", "application/json"
+      request "/"
+
+      expect(last_request.env["CONTENT_TYPE"]).to eq("application/json")
+    end
+
+    it "sets a Host to be sent with requests" do
+      header "Host", "www.example.ua"
+      request "/"
+
+      expect(last_request.env["HTTP_HOST"]).to eq("www.example.ua")
+    end
+
+    it "persists across multiple requests" do
+      header "User-Agent", "Firefox"
+      request "/"
+      request "/"
+
+      expect(last_request.env["HTTP_USER_AGENT"]).to eq("Firefox")
+    end
+
+    it "overwrites previously set headers" do
+      header "User-Agent", "Firefox"
+      header "User-Agent", "Safari"
+      request "/"
+
+      expect(last_request.env["HTTP_USER_AGENT"]).to eq("Safari")
+    end
+
+    it "can be used to clear a header" do
+      header "User-Agent", "Firefox"
+      header "User-Agent", nil
+      request "/"
+
+      expect(last_request.env).not_to have_key("HTTP_USER_AGENT")
+    end
+
+    it "is overridden by headers sent during the request" do
+      header "User-Agent", "Firefox"
+      request "/", "HTTP_USER_AGENT" => "Safari"
+
+      expect(last_request.env["HTTP_USER_AGENT"]).to eq("Safari")
+    end
+  end
+
+  describe "#env" do
+    it "sets the env to be sent with requests" do
+      env "rack.session", {:csrf => 'token'}
+      request "/"
+
+      expect(last_request.env["rack.session"]).to eq({:csrf => 'token'})
+    end
+
+    it "persists across multiple requests" do
+      env "rack.session", {:csrf => 'token'}
+      request "/"
+      request "/"
+
+      expect(last_request.env["rack.session"]).to eq({:csrf => 'token'})
+    end
+
+    it "overwrites previously set envs" do
+      env "rack.session", {:csrf => 'token'}
+      env "rack.session", {:some => :thing}
+      request "/"
+
+      expect(last_request.env["rack.session"]).to eq({:some => :thing})
+    end
+
+    it "can be used to clear a env" do
+      env "rack.session", {:csrf => 'token'}
+      env "rack.session", nil
+      request "/"
+
+      expect(last_request.env).not_to have_key("X_CSRF_TOKEN")
+    end
+
+    it "is overridden by envs sent during the request" do
+      env "rack.session", {:csrf => 'token'}
+      request "/", "rack.session" => {:some => :thing}
+
+      expect(last_request.env["rack.session"]).to eq({:some => :thing})
+    end
+  end
+
+  describe "#authorize" do
+    it "sets the HTTP_AUTHORIZATION header" do
+      authorize "bryan", "secret"
+      request "/"
+
+      expect(last_request.env["HTTP_AUTHORIZATION"]).to eq("Basic YnJ5YW46c2VjcmV0\n")
+    end
+
+    it "includes the header for subsequent requests" do
+      basic_authorize "bryan", "secret"
+      request "/"
+      request "/"
+
+      expect(last_request.env["HTTP_AUTHORIZATION"]).to eq("Basic YnJ5YW46c2VjcmV0\n")
+    end
+  end
+
+  describe "follow_redirect!" do
+    it "follows redirects" do
+      get "/redirect"
+      follow_redirect!
+
+      expect(last_response).not_to be_redirect
+      expect(last_response.body).to eq("You've been redirected")
+      expect(last_request.env["HTTP_REFERER"]).to eql("http://example.org/redirect")
+    end
+
+    it "does not include params when following the redirect" do
+      get "/redirect", { "foo" => "bar" }
+      follow_redirect!
+
+      expect(last_request.GET).to eq({})
+    end
+
+    it "raises an error if the last_response is not set" do
+      expect {
+        follow_redirect!
+      }.to raise_error(Rack::Test::Error)
+    end
+
+    it "raises an error if the last_response is not a redirect" do
+      get "/"
+
+      expect {
+        follow_redirect!
+      }.to raise_error(Rack::Test::Error)
+    end
+
+    context "for HTTP 307" do
+      it "keeps the original method" do
+        post "/redirect?status=307", {foo: "bar"}
+        follow_redirect!
+        last_response.body.should include "post"
+        last_response.body.should include "foo"
+        last_response.body.should include "bar"
+      end
+    end
+  end
+
+  describe "#last_request" do
+    it "returns the most recent request" do
+      request "/"
+      expect(last_request.env["PATH_INFO"]).to eq("/")
+    end
+
+    it "raises an error if no requests have been issued" do
+      expect {
+        last_request
+      }.to raise_error(Rack::Test::Error)
+    end
+  end
+
+  describe "#last_response" do
+    it "returns the most recent response" do
+      request "/"
+      expect(last_response["Content-Type"]).to eq("text/html;charset=utf-8")
+    end
+
+    it "raises an error if no requests have been issued",focus: true do
+      expect {
+        last_response
+      }.to raise_error(Rack::Test::Error)
+    end
+  end
+
+  describe "after_request" do
+    it "runs callbacks after each request" do
+      ran = false
+
+      rack_mock_session.after_request do
+        ran = true
+      end
+
+      get "/"
+      expect(ran).to eq(true)
+    end
+
+    it "runs multiple callbacks" do
+      count = 0
+
+      2.times do
+        rack_mock_session.after_request do
+          count += 1
+        end
+      end
+
+      get "/"
+      expect(count).to eq(2)
+    end
+  end
+
+  describe "#get" do
+    it_should_behave_like "any #verb methods"
+
+    def verb
+      "get"
+    end
+
+    it "uses the provided params hash" do
+      get "/", :foo => "bar"
+      expect(last_request.GET).to eq({ "foo" => "bar" })
+    end
+
+    it "sends params with parens in names" do
+      get "/", "foo(1i)" => "bar"
+      expect(last_request.GET["foo(1i)"]).to eq("bar")
+    end
+
+    it "supports params with encoding sensitive names" do
+      get "/", "foo bar" => "baz"
+      expect(last_request.GET["foo bar"]).to eq("baz")
+    end
+
+    it "supports params with nested encoding sensitive names" do
+      get "/", "boo" => {"foo bar" => "baz"}
+      expect(last_request.GET).to eq({"boo" => {"foo bar" => "baz"}})
+    end
+
+    it "accepts params in the path" do
+      get "/?foo=bar"
+      expect(last_request.GET).to eq({ "foo" => "bar" })
+    end
+  end
+
+  describe "#head" do
+    it_should_behave_like "any #verb methods"
+
+    def verb
+      "head"
+    end
+  end
+
+  describe "#post" do
+    it_should_behave_like "any #verb methods"
+
+    def verb
+      "post"
+    end
+
+    it "uses the provided params hash" do
+      post "/", :foo => "bar"
+      expect(last_request.POST).to eq({ "foo" => "bar" })
+    end
+
+    it "supports params with encoding sensitive names" do
+      post "/", "foo bar" => "baz"
+      expect(last_request.POST["foo bar"]).to eq("baz")
+    end
+
+    it "uses application/x-www-form-urlencoded as the default CONTENT_TYPE" do
+      post "/"
+      expect(last_request.env["CONTENT_TYPE"]).to eq("application/x-www-form-urlencoded")
+    end
+
+    it "accepts a body" do
+      post "/", "Lobsterlicious!"
+      expect(last_request.body.read).to eq("Lobsterlicious!")
+    end
+
+    context "when CONTENT_TYPE is specified in the env" do
+      it "does not overwrite the CONTENT_TYPE" do
+        post "/", {}, { "CONTENT_TYPE" => "application/xml" }
+        expect(last_request.env["CONTENT_TYPE"]).to eq("application/xml")
+      end
+    end
+  end
+
+  describe "#put" do
+    it_should_behave_like "any #verb methods"
+
+    def verb
+      "put"
+    end
+
+    it "accepts a body" do
+      put "/", "Lobsterlicious!"
+      expect(last_request.body.read).to eq("Lobsterlicious!")
+    end
+  end
+
+  describe "#patch" do
+    it_should_behave_like "any #verb methods"
+
+    def verb
+      "patch"
+    end
+
+    it "accepts a body" do
+      patch "/", "Lobsterlicious!"
+      expect(last_request.body.read).to eq("Lobsterlicious!")
+    end
+  end
+
+  describe "#delete" do
+    it_should_behave_like "any #verb methods"
+
+    def verb
+      "delete"
+    end
+
+     it "does not set a content type" do
+       delete "/"
+
+       expect(last_request.env['CONTENT_TYPE']).to be_nil
+     end
+  end
+
+  describe "#options" do
+    it_should_behave_like "any #verb methods"
+
+    def verb
+      "options"
+    end
+  end
+end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
new file mode 100644
index 0000000..143528e
--- /dev/null
+++ b/spec/spec_helper.rb
@@ -0,0 +1,66 @@
+require "rack"
+require "rspec"
+require "rubocop"
+require "sinatra"
+require "thor"
+
+Dir[File.dirname(__FILE__) + "/support/**/*.rb"].each {|f| require f}
+
+require "rack/test"
+require File.dirname(__FILE__) + "/fixtures/fake_app"
+
+RSpec.configure do |config|
+  config.mock_with :rspec
+  config.include Rack::Test::Methods
+
+  def app
+    Rack::Lint.new(Rack::Test::FakeApp.new)
+  end
+
+  def check(*args)
+  end
+
+end
+
+shared_examples_for "any #verb methods" do
+  it "requests the URL using VERB" do
+    send(verb, "/")
+
+    check expect(last_request.env["REQUEST_METHOD"]).to eq(verb.upcase)
+    expect(last_response).to be_ok
+  end
+
+  it "uses the provided env" do
+    send(verb, "/", {}, { "HTTP_USER_AGENT" => "Rack::Test" })
+    expect(last_request.env["HTTP_USER_AGENT"]).to eq("Rack::Test")
+  end
+
+  it "yields the response to a given block" do
+    yielded = false
+
+    send(verb, "/") do |response|
+      expect(response).to be_ok
+      yielded = true
+    end
+
+    expect(yielded).to be_truthy
+  end
+
+  it "sets the HTTP_HOST header with port" do
+    send(verb, "http://example.org:8080/uri")
+    expect(last_request.env["HTTP_HOST"]).to eq("example.org:8080")
+  end
+
+  it "sets the HTTP_HOST header without port" do
+    send(verb, "/uri")
+    expect(last_request.env["HTTP_HOST"]).to eq("example.org")
+  end
+
+  context "for a XHR" do
+    it "sends XMLHttpRequest for the X-Requested-With header" do
+      send(verb, "/", {}, { :xhr => true })
+      expect(last_request.env["HTTP_X_REQUESTED_WITH"]).to eq("XMLHttpRequest")
+      expect(last_request).to be_xhr
+    end
+  end
+end
diff --git a/spec/support/matchers/body.rb b/spec/support/matchers/body.rb
new file mode 100644
index 0000000..a79c1ff
--- /dev/null
+++ b/spec/support/matchers/body.rb
@@ -0,0 +1,9 @@
+RSpec::Matchers.define :have_body do |expected|
+  match do |response|
+    expect(response.body).to eq(expected)
+  end
+
+  description do
+    "have body #{expected.inspect}"
+  end
+end
diff --git a/spec/support/matchers/challenge.rb b/spec/support/matchers/challenge.rb
new file mode 100644
index 0000000..08ab9b1
--- /dev/null
+++ b/spec/support/matchers/challenge.rb
@@ -0,0 +1,11 @@
+RSpec::Matchers.define :be_challenge do
+  match do |actual_response|
+    actual_response.status == 401 &&
+    actual_response['WWW-Authenticate'] =~ /^Digest / &&
+    actual_response.body.empty?
+  end
+
+  description do
+    "a HTTP Digest challenge response"
+  end
+end