Added cucumber tests for HEAD request to gzipped asset.

features/handles_compressed_responses.feature

@@ -17,3 +17,11 @@ Feature: Handles Compressed Responses
     And that service is accessed at the path '/gzip_service.html'
     When I call HTTParty#get with '/gzip_service.html'
     Then the return value should match '<h1>Some HTML</h1>'
+
+  Scenario: Supports HEAD request with gzip encoding
+    Given a remote gzip service
+    And that service is accessed at the path '/gzip_head.gz.js'
+    When I call HTTParty#head with '/gzip_head.gz.js'
+    Then it should return a response with a 200 response code
+    Then it should return a response with a gzip content-encoding
+    Then it should return a response with a blank body

features/steps/httparty_response_steps.rb

@@ -11,7 +11,6 @@ def constantize(camel_cased_word)
   constant
 end
 
-
 Then /it should return an? (\w+)$/ do |class_string|
   @response_from_httparty.should be_an_instance_of(class_string.class)
 end
@@ -34,6 +33,14 @@ Then /it should return a response with a (\d+) response code/ do |code|
   @response_from_httparty.code.should eql(code.to_i)
 end
 
+Then /it should return a response with a (.*) content\-encoding$/ do |content_type|
+  @response_from_httparty.headers['content-encoding'].should eql('gzip')
+end
+
+Then /it should return a response with a blank body$/ do
+  @response_from_httparty.body.should be(nil)
+end
+
 Then /it should raise (?:an|a) ([\w:]+) exception/ do |exception|
   @exception_from_httparty.should_not be_nil
   @exception_from_httparty.should be_a constantize(exception)

features/steps/httparty_steps.rb

@@ -10,6 +10,14 @@ When /I call HTTParty#get with '(.*)'$/ do |url|
   end
 end
 
+When /^I call HTTParty#head with '(.*)'$/ do |url|
+  begin
+    @response_from_httparty = HTTParty.head("http://#{@host_and_port}#{url}", @request_options)
+  rescue HTTParty::RedirectionTooDeep, Timeout::Error => e
+    @exception_from_httparty = e
+  end
+end
+
 When /I call HTTParty#get with '(.*)' and a basic_auth hash:/ do |url, auth_table|
   h = auth_table.hashes.first
   @response_from_httparty = HTTParty.get(
@@ -24,4 +32,4 @@ When /I call HTTParty#get with '(.*)' and a digest_auth hash:/ do |url, auth_tab
     "http://#{@host_and_port}#{url}",
     :digest_auth => { :username => h["username"], :password => h["password"] }
   )
-end
+end