FactoryGirl - ArgumentError: Not registered: block_given?

error

 34) Error:
test: Post should validate date time. (PostTest):
ArgumentError: Not registered: block_given?
    /Users/Spencer/.rvm/gems/ruby-1.9.2-p180/gems/factory_girl-2.0.0.rc3/lib/factory_girl/registry.rb:18:in `find'
    /Users/Spencer/.rvm/gems/ruby-1.9.2-p180/gems/factory_girl-2.0.0.rc3/lib/factory_girl.rb:51:in `sequence_by_name'
    /Users/Spencer/.rvm/gems/ruby-1.9.2-p180/gems/factory_girl-2.0.0.rc3/lib/factory_girl/syntax/methods.rb:118:in `generate'
    /Users/Spencer/.rvm/gems/ruby-1.9.2-p180/gems/factory_girl-2.0.0.rc3/lib/factory_girl/attribute/sequence.rb:11:in `add_to'
    /Users/Spencer/.rvm/gems/ruby-1.9.2-p180/gems/factory_girl-2.0.0.rc3/lib/factory_girl/attribute/implicit.rb:10:in `add_to'
    /Users/Spencer/.rvm/gems/ruby-1.9.2-p180/gems/factory_girl-2.0.0.rc3/lib/factory_girl/factory.rb:81:in `block in run'
    /Users/Spencer/.rvm/gems/ruby-1.9.2-p180/gems/factory_girl-2.0.0.rc3/lib/factory_girl/factory.rb:79:in `each'
    /Users/Spencer/.rvm/gems/ruby-1.9.2-p180/gems/factory_girl-2.0.0.rc3/lib/factory_girl/factory.rb:79:in `run'
    /Users/Spencer/.rvm/gems/ruby-1.9.2-p180/gems/factory_girl-2.0.0.rc3/lib/factory_girl/syntax/methods.rb:34:in `build'
    /Users/Spencer/.rvm/gems/ruby-1.9.2-p180/gems/factory_girl-2.0.0.rc3/lib/factory_girl/syntax/vintage.rb:122:in `build'
    /Users/Spencer/RoR/gems/ESSENTIALS/spree_essential_blog/test/unit/post_test.rb:20:in `block in <class:PostTest>'
    /Users/Spencer/.rvm/gems/ruby-1.9.2-p180/gems/shoulda-2.11.3/lib/shoulda/context.rb:382:in `call'
    /Users/Spencer/.rvm/gems/ruby-1.9.2-p180/gems/shoulda-2.11.3/lib/shoulda/context.rb:382:in `block in create_test_from_should_hash'

factories.rb

FactoryGirl.define do

  factory :post do
    title     "Peanut Butter Jelly Time"
    posted_at { Time.now + rand(10000) }
    body      "Vivamus rutrum nunc non neque consectetur quis placerat neque lobortis. Nam vestibulum, arcu sodales feugiat consectetur, nisl orci bibendum elit, eu euismod magna sapien ut nibh. Donec semper quam scelerisque tortor dictum gravida. In hac habitasse platea dictumst. Nam pulvinar, odio sed rhoncus suscipit, sem diam ultrices mauris, eu consequat purus metus eu velit. Proin metus odio, aliquam eget molestie nec, gravida ut sapien. Phasellus quis est sed turpis sollicitudin venenatis sed eu odio. Praesent eget neque eu eros interdum malesuada non vel leo. Sed fringilla porta ligula egestas tincidunt. Nullam risus magna, ornare vitae varius eget, scelerisque a libero."
    tag_list  "peanut butter, jelly, sandwich, lunch"
    live      true
  end
  
  factory :post_category do
    name  "Jellies"
  end

end

gemspec

# -*- encoding: utf-8 -*-
$:.push File.expand_path("../lib", __FILE__)
require "spree_essential_blog/version"

Gem::Specification.new do |s|
  s.name        = "spree_essential_blog"
  s.version     = SpreeEssentialBlog::VERSION
  s.platform    = Gem::Platform::RUBY
  s.authors     = ["Spencer Steffen"]
  s.email       = ["[email protected]"]
  s.homepage    = "https://github.com/citrus/spree_essential_blog"
  s.summary     = %q{Spree Essential Blog is a blog plugin for Spree sites equipped with spree_essentials.}
  s.description = %q{Spree Essential Blog is a blog plugin for Spree sites equipped with spree_essentials.}

  s.files         = `git ls-files`.split("\n")
  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
  
  s.require_paths = ["lib"]

  # Runtime  
  s.add_dependency('spree_essentials',    '>= 0.1.3')
  s.add_dependency('acts-as-taggable-on', '>= 2.0.6')

  # Development
  s.add_development_dependency('shoulda',            '>= 2.11.3')
  s.add_development_dependency('dummier',            '>= 0.2.0')
  s.add_development_dependency('factory_girl',       '>= 2.0.0.rc3')
  s.add_development_dependency('capybara',           '>= 1.0.0')
  s.add_development_dependency('selenium-webdriver', '>= 0.2.2')
  s.add_development_dependency('sqlite3',            '>= 1.3.3')
  s.add_development_dependency('spork',              '>= 0.9.0.rc9')
  s.add_development_dependency('spork-testunit',     '>= 0.0.5')
  
end

I downgraded to 2.0.0.rc1 which has fixed it for me

Downgrading to factory_girl 2.0.0.rc1 works for me as well...

Thanks, same pb here :)