Update RSpec

.rspec

@@ -0,0 +1 @@
+--color

spec/rack/reverse_proxy_spec.rb

@@ -1,8 +1,7 @@
 require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
 
-describe Rack::ReverseProxy do
+RSpec.describe Rack::ReverseProxy do
   include Rack::Test::Methods
-  include WebMock::API
 
   def app
     Rack::ReverseProxy.new

spec/spec_helper.rb

@@ -1,11 +1,24 @@
-require 'rack/reverse_proxy'
-require 'spec'
-require 'spec/autorun'
 require 'rubygems'
+require 'rack/reverse_proxy'
+require 'rspec'
 require 'rack/test'
-require 'webmock'
 require 'webmock/rspec'
 
-Spec::Runner.configure do |config|
+RSpec.configure do |config|
+  config.expect_with :rspec do |expectations|
+    # This option will default to `true` in RSpec 4.
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+    expectations.syntax = [:should]
+  end
+  config.mock_with :rspec do |mocks|
+    mocks.verify_doubled_constant_names = true
+    mocks.verify_partial_doubles = true
+    mocks.syntax = [:should]
+    # Prevents you from mocking or stubbing a method that does not exist on
+    # a real object. This is generally recommended, and will default to
+    # `true` in RSpec 4.
+    mocks.verify_partial_doubles = true
+  end
+
   WebMock.disable_net_connect!
 end