numericality-weirdness.rb

# Activate the gem you are reporting the issue against.
gem 'activerecord', '4.2.0.rc1'
gem 'pg'
require 'active_record'
require 'minitest/autorun'
require 'logger'

# Ensure backward compatibility with Minitest 4
Minitest::Test = MiniTest::Unit::TestCase unless defined?(Minitest::Test)

# This connection will do for database-independent bug reports.
ActiveRecord::Base.establish_connection(adapter: 'postgresql', database: 'appsicle_test')
ActiveRecord::Base.logger = Logger.new(STDOUT)

ActiveRecord::Schema.define do
  create_table :posts do |t|
    t.integer :position, default: -1
  end
end

class Post < ActiveRecord::Base
  validates :position, numericality: true
end

class BugTest < Minitest::Test
  def test_weirdness_with_numericality
    p = Post.new
    p.valid?

    assert p.errors[:position].empty?, p.errors[:position]
  end
end