Should be able to assign a casted hash to a hash property

Fixes https://github.com/couchrest/couchrest_model/issues/68

Signed-off-by: Marcos Tapajós <tapajos@gmail.com>

lib/couchrest/model/property.rb

@@ -39,7 +39,7 @@ module CouchRest::Model
         arr = value.collect { |data| cast_value(parent, data) }
         # allow casted_by calls to be passed up chain by wrapping in CastedArray
         CastedArray.new(arr, self, parent)
-      elsif (type == Object || type == Hash) && (value.class == Hash)
+      elsif (type == Object || type == Hash) && (value.kind_of?(Hash))
         # allow casted_by calls to be passed up chain by wrapping in CastedHash
         CastedHash[value, self, parent]
       elsif !value.nil?

spec/couchrest/property_spec.rb

@@ -9,6 +9,7 @@ require File.join(FIXTURE_PATH, 'more', 'service')
 require File.join(FIXTURE_PATH, 'more', 'event')
 require File.join(FIXTURE_PATH, 'more', 'user')
 require File.join(FIXTURE_PATH, 'more', 'course')
+require File.join(FIXTURE_PATH, "more", "key_chain")
 
 
 describe "Model properties" do
@@ -239,6 +240,16 @@ describe "Model properties" do
 
 end
 
+describe "properties of hash of casted models" do
+  it "should be able to assign a casted hash to a hash property" do
+    chain = KeyChain.new
+    keys = {"House" => "8==$", "Office" => "<>==U"}
+    chain.keys = keys
+    chain.keys = chain.keys
+    chain.keys.should == keys
+  end
+end
+
 describe "properties of array of casted models" do
 
   before(:each) do

spec/fixtures/more/key_chain.rb

@@ -0,0 +1,5 @@
+class KeyChain < CouchRest::Model::Base
+  use_database(DB)
+
+  property(:keys, Hash)
+end