integration test for FollowRedirects

initial simple test for the purpose of discussing how we might
want to go about writing integration tests

Gemfile

@@ -13,6 +13,7 @@ group :test do
   gem 'cane', '>= 2.2.2', :platforms => [:mri_19, :mri_20, :mri_21]
   gem 'rspec', '>= 3'
   gem 'simplecov'
+  gem 'webmock'
 end
 
 gemspec

spec/integration/follow_redirects_spec.rb

@@ -0,0 +1,24 @@
+require "rspec"
+require "faraday"
+require "faraday_middleware"
+require "webmock/rspec"
+
+describe FaradayMiddleware::FollowRedirects do
+  it "redirects" do
+    stub_request(:get, "http://facebook.com").to_return(
+      status: 302,
+      headers: {  "Location" => "http://www.facebook.com/" })
+    stub_request(:get, "http://www.facebook.com/").to_return(
+      status: 302,
+      headers: { "Location" => "https://www.facebook.com/" })
+    stub_request(:get, "https://www.facebook.com/")
+
+    connection = Faraday.new do |conn|
+      conn.use FaradayMiddleware::FollowRedirects
+      conn.adapter Faraday.default_adapter
+    end
+
+    response = connection.get "http://facebook.com"
+    expect(response.env.url.to_s).to eq("https://www.facebook.com/")
+  end
+end