Merged patch from dcrec1 for friendship_show

lib/twitter/base.rb

@@ -93,6 +93,10 @@ def friendship_exists?(a, b)
       perform_get("/friendships/exists.json", :query => {:user_a => a, :user_b => b})
     end
 
+    def friendship_show(query)
+      perform_get("/friendships/show.json", :query => query)
+    end
+
     # Options: id, user_id, screen_name
     def friend_ids(query={})
       perform_get("/friends/ids.json", :query => query, :mash => false)

test/fixtures/friendship.json

@@ -0,0 +1 @@
+{"relationship":{"target":{"followed_by":false,"screen_name":"davegray","following":false,"id":456},"source":{"followed_by":false,"notifications_enabled":null,"screen_name":"Jackrabbit","blocking":null,"following":false,"id":458}}}

test/test_helper.rb

@@ -47,4 +47,5 @@ def stub_put(url, filename)
 
 def stub_delete(url, filename)
   FakeWeb.register_uri(:delete, twitter_url(url), :body => fixture_file(filename))
+
 end

test/twitter/base_test.rb

@@ -90,6 +90,11 @@ class BaseTest < Test::Unit::TestCase
         hashes = @twitter.friends_timeline.map{ |s| s.hash }
         hashes.should == @twitter.friends_timeline.map{ |s| s.hash }
       end
+
+      should "be able to get a friendship" do
+        stub_get("/friendships/show.json?source_screen_name=dcrec1&target_screen_name=pengwynn", 'friendship.json')
+        @twitter.friendship_show(:source_screen_name => 'dcrec1', :target_screen_name => 'pengwynn').relationship.target.followed_by == false
+      end
     end
 
     context "when using lists" do