Adding Custodian::Tag.count

lib/custodian/tag_class.rb

@@ -1,6 +1,12 @@
 module Custodian
   class Tag
     require 'hpricot'
+
+    def self.count(conditions)
+      conditions = normalise_conditions(conditions)
+      xml = request('/content/tags', conditions)
+      count_tags(xml)
+    end
 
     def self.find(type, conditions={})
       if type == :all
@@ -18,6 +24,10 @@ def self.find_tags_by_conditions(conditions={})
     def self.extract_tags(xml)
       Hpricot(xml).search('//tags/tag').collect{|r| Tag.new(r)}
     end
+
+    def self.count_tags(xml)
+      Hpricot(xml).search("/tags").first.attributes["count"].to_i
+    end
 
     private
 

spec/tag_spec.rb

@@ -19,6 +19,17 @@
   end
 end
 
+describe "Counting results for a particular query" do
+  before(:each) do
+    @search = Custodian::Tag.extract_tags(File.open(File.dirname(__FILE__) + '/tags.xml'))
+    Custodian::Tag.stub!(:count_tags).and_return(Hpricot(File.open(File.dirname(__FILE__) + '/tags.xml')).search("/tags").first.attributes["count"].to_i)
+  end
+
+  it "should return the total number of available results for a query" do
+    Custodian::Tag.count_tags(:q => "uk").should == 13
+  end
+end
+
 describe "A tag" do
   before(:each) do
     @tag = Custodian::Tag.new(Hpricot(File.open(File.dirname(__FILE__) + '/tag.xml')))