[#84] Add Rack::Deflater to gzip site.

application.rb

@@ -25,6 +25,9 @@
   # Redirect all urls on production (http://github.com/cwninja/rack-force_domain)
   use Rack::ForceDomain, ENV["DOMAIN"] if settings.environment != "test"
 
+  # Gzips pages
+  use Rack::Deflater
+
   Compass.configuration do |config|
     config.project_path = File.dirname(__FILE__)
     config.sass_dir = 'views/stylesheets'

spec/lib/rack_deflater_spec.rb

@@ -0,0 +1,39 @@
+require 'spec_helper'
+
+# For gzipping pages
+describe Rack::Deflater do
+  before do
+    @path = paths[:homepage]
+    get @path
+    @page_headers = last_response.headers.clone
+
+    get @path, {}, { "HTTP_ACCEPT_ENCODING" => "gzip" }
+    @gzipped_page_headers = last_response.headers.clone
+  end
+
+  describe "Content-Encoding" do
+    it "is nil for page" do
+      @page_headers["Content-Encoding"].should be_nil
+    end
+
+    it "is 'gzip' for gzipped page" do
+      @gzipped_page_headers["Content-Encoding"].should == "gzip"
+    end
+  end
+
+  describe "Content-Length" do
+    before { @content_length = @page_headers["Content-Length"].to_i }
+
+    it "should be lower for gzipped page" do
+      expect(@gzipped_page_headers["Content-Length"].to_i).to be < @content_length
+    end
+  end
+
+  describe "Etag" do
+    before { @etag = @page_headers["Etag"] }
+
+    it "is the same for normal and gzipped page" do
+      @gzipped_page_headers["Etag"].should == @etag
+    end
+  end
+end