First trivial (validate environment) example passing.

lib/existence_validated.rb

@@ -1,4 +1,4 @@
-# def existence_validated(assocs=[], options={})
+def existence_validated(assocs=[], options={})
 #   def existing_assoc(sym, mock=nil)
 #     klass = sym.to_s.capitalize.constantize
 #     obj = mock || mock_model(klass)
@@ -15,4 +15,5 @@
 #       existing_assoc(sym, options[sym]) 
 #     end
 #   end.inject {|s,i| s.merge(i)}
-# end
+{}
+end

spec/existence_validated_spec.rb

@@ -3,9 +3,10 @@
 describe "existence_validated" do
 
   before(:all) do
+    class Assoc < ActiveRecord::Base
+    end
     class Model < ActiveRecord::Base
       belongs_to :assoc
-      validates_existence_of :assoc
     end
   end
 
@@ -15,7 +16,7 @@ def valid_attributes(options={})
     }.update(existence_validated([:assoc], options)).update(options)
   end
 
-  it "should not fail" do
+  it "should not fail " do
     Model.create!(valid_attributes)
   end
 end

spec/spec_helper.rb

@@ -11,4 +11,8 @@
 
 
 ActiveRecord::Migration.create_table :models do |t|
+  t.integer :assoc_id
+  t.string :name
+end
+ActiveRecord::Migration.create_table :assocs do |t|
 end