Fixing view deleting database option bug

lib/couchrest/model/views.rb

@@ -92,6 +92,7 @@ module CouchRest
 
         # Dispatches to any named view.
         def view(name, query={}, &block)
+          query = query.dup # Modifications made on copy!
           db = query.delete(:database) || database
           refresh_design_doc(db)
           query[:raw] = true if query[:reduce]        

spec/couchrest/view_spec.rb

@@ -14,6 +14,21 @@ describe "Model views" do
     view_by :title
   end
  
+
+  describe "ClassMethods" do
+    # NOTE! Add more unit tests!
+
+    describe "#view" do
+    
+      it "should not alter original query" do
+        options = { :database => DB }
+        view = Article.view('by_date', options)
+        options[:database].should_not be_nil
+      end
+
+    end
+  end
+
   describe "a model with simple views and a default param" do
     before(:all) do
       Article.all.map{|a| a.destroy(true)}