Resetting skip and limit when trying to get total count

lib/couchrest/model/designs/view.rb

@@ -113,7 +113,7 @@ module CouchRest
         def count
           raise "View#count cannot be used with group options" if query[:group]
           if can_reduce?
-            row = reduce.rows.first
+            row = reduce.skip(0).limit(1).rows.first
             row.nil? ? 0 : row.value
           else
             limit(0).total_rows

spec/couchrest/designs/view_spec.rb

@@ -173,7 +173,7 @@ describe "Design View" do
       describe "#count" do
         it "should raise an error if view prepared for group" do
           @obj.should_receive(:query).and_return({:group => true})
-          lambda { @obj.count }.should raise_error
+          lambda { @obj.count }.should raise_error(/group/)
         end
 
         it "should return first row value if reduce possible" do
@@ -181,6 +181,8 @@ describe "Design View" do
           row = mock("Row")
           @obj.should_receive(:can_reduce?).and_return(true)
           @obj.should_receive(:reduce).and_return(view)
+          view.should_receive(:skip).with(0).and_return(view)
+          view.should_receive(:limit).with(1).and_return(view)
           view.should_receive(:rows).and_return([row])
           row.should_receive(:value).and_return(2)
           @obj.count.should eql(2)
@@ -189,6 +191,8 @@ describe "Design View" do
           view = mock("SubView")
           @obj.should_receive(:can_reduce?).and_return(true)
           @obj.should_receive(:reduce).and_return(view)
+          view.should_receive(:skip).with(0).and_return(view)
+          view.should_receive(:limit).with(1).and_return(view)
           view.should_receive(:rows).and_return([])
           @obj.count.should eql(0)
         end
@@ -770,6 +774,10 @@ describe "Design View" do
         docs[0].name.should eql("Judith")
         docs[1].name.should eql("Peter")
       end
+      it "should provide count even if limit or skip set" do
+        docs = DesignViewModel.by_name.limit(20).skip(2)
+        docs.count.should eql(5)
+      end
     end
 
     describe "pagination" do