adding grouping functionality; added some dummy code ("Schmoin") for experimenting with aggregate joins. need to resolve the ambiguity in the #as operator between (SELECT * FROM foo AS bar) vs. (SELECT * FROM foo) AS bar

1 files changed, 6 insertions, 0 deletions

diff --git a/spec/active_relation/primitives/attribute_spec.rb b/spec/active_relation/primitives/attribute_spec.rb
index 6078da08f3..543217b9cf 100644
--- a/spec/active_relation/primitives/attribute_spec.rb
+++ b/spec/active_relation/primitives/attribute_spec.rb
@@ -12,6 +12,12 @@ module ActiveRelation
         @relation1[:id].as(:alias).should == Attribute.new(@relation1, :id, :alias)
       end
     end
+    
+    describe '#substitute' do
+      it "manufactures an attribute with the relation substituted" do
+        @relation1[:id].substitute(@relation2).should == Attribute.new(@relation2, :id)
+      end
+    end
   
     describe '#qualified_name' do
       it "manufactures an attribute name prefixed with the relation's name" do