Attributes without arguments/blocks look for a sequence

lib/factory_girl/definition_proxy.rb

@@ -56,7 +56,11 @@ module FactoryGirl
     # are equivilent.
     def method_missing(name, *args, &block)
       if args.empty? && block.nil?
-        association(name)
+        if sequence = FactoryGirl.sequences[name]
+          add_attribute(name) { sequence.next }
+        else
+          association(name)
+        end
       else
         add_attribute(name, *args, &block)
       end

spec/acceptance/acceptance_spec.rb

@@ -4,6 +4,10 @@ require 'acceptance/acceptance_helper'
 describe "integration" do
   before do
     FactoryGirl.define do
+      sequence :email do |n|
+        "somebody#{n}@example.com"
+      end
+
       factory :user, :class => 'user' do
         first_name 'Jimi'
         last_name  'Hendrix'
@@ -26,8 +30,7 @@ describe "integration" do
         last_name  'Stein'
         admin       true
         sequence(:username) { |n| "username#{n}" }
-        # TODO: add sugar for this
-        email { Factory.next(:email) }
+        email
       end
 
       factory :sequence_abuser, :class => User do
@@ -54,10 +57,6 @@ describe "integration" do
         name 'Supplier of Awesome'
         association :owner, :factory => :user
       end
-
-      sequence :email do |n|
-        "somebody#{n}@example.com"
-      end
     end
   end
 

spec/factory_girl/definition_proxy_spec.rb

@@ -120,6 +120,16 @@ describe FactoryGirl::DefinitionProxy do
     factory.attributes.should include(attr)
   end
 
+  it "adds a sequence when passed an undefined method without arguments or a block" do
+    name = :airport
+    proxy = 'proxy'
+    FactoryGirl.sequences[name] = FactoryGirl::Sequence.new { |value| "expected" }
+    subject.send(name)
+    stub(proxy).set
+    factory.attributes.last.add_to(proxy)
+    proxy.should have_received.set(name, 'expected')
+  end
+
   it "registers its factory for an alias" do
     aliased_name = :guest
     mock(FactoryGirl).register_factory(factory, :as => aliased_name)