Merge pull request #22 from veader/develop

add respond_to support for the resource @veader this is awesome, thanks for sending the pull request.

lib/desk_api/resource.rb

@@ -101,7 +101,7 @@ def query_params=(params = {})
 protected
 
   def clean_base_url
-    Addressable::URI.parse(href).path.gsub(/\/(search|\d+)$/, '') 
+    Addressable::URI.parse(href).path.gsub(/\/(search|\d+)$/, '')
   end
 
   def exec!(reload = false)
@@ -146,7 +146,7 @@ def get_linked_resource(method)
 
     return nil if links[method].nil?
     return links[method] if links[method].kind_of?(self.class)
-    
+
     links[method] = self.class.new(@_client, self.class.build_self_link(links[method]))
   end
 
@@ -162,4 +162,19 @@ def method_missing(method, *args, &block)
 
     super(method, *args, &block)
   end
-end
+
+public
+  def respond_to?(method, include_private = false)
+    self.exec! unless @_loaded
+
+    meth = method.to_s
+
+    return true if is_embedded?(meth)
+    return true if is_link?(meth)
+    return true if meth.end_with?('=') and is_field?(meth[0...-1])
+    return true if is_field?(meth)
+
+    super
+  end
+
+end

spec/desk_api/resource_spec.rb

@@ -66,6 +66,29 @@
     end
   end
 
+  context '#respond_to', :vcr do
+    before do
+      @company = DeskApi::Resource.new(subject, {
+        '_links' => {'self'=>{'href'=>'/api/v2/cases','class'=>'page'}},
+        'name'   => 'foo'
+      }, true)
+    end
+
+    it 'loads the resource to find a suitable method' do
+      @company.instance_variable_set(:@_loaded, false)
+      @company.should_receive(:exec!)
+      @company.respond_to?(:name)
+    end
+
+    it 'returns true if method found in definition' do
+      @company.respond_to?(:name).should be_true
+    end
+
+    it 'returns false if method does not exist' do
+      @company.respond_to?(:no_method_here).should be_false
+    end
+  end
+
   context '#by_url', :vcr do
     it 'finds resources by url' do
       subject.articles.by_url('/api/v2/articles/1295677').should be_an_instance_of(DeskApi::Resource)
@@ -321,4 +344,4 @@
       @company.name.should eq('Desk.com')
     end
   end
-end
+end