count_bug_script.rb

begin
  require 'bundler/inline'
rescue LoadError => e
  $stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
  raise e
end

gemfile(true) do
  source 'https://rubygems.org'
  gem 'rails', '~> 4.2.3'
  gem 'pg'
end

require 'active_record'
require 'minitest/autorun'
require 'logger'

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

ActiveRecord::Schema.define do
  create_table :posts, force: true do |t|
    t.string :author_type
    t.integer :author_id
  end

  create_table :authors, force: true do |t|
    t.string :name
  end
end

class Post < ActiveRecord::Base
  belongs_to :author, polymorphic: true
end

class Person < ActiveRecord::Base
  has_many :posts, as: :author
end

class BugTest < Minitest::Test
  def test_count_with_hash_params
		Post.create(author_type: 'Dude', author_id: 1)
    assert_equal Post.count(author_type: 'Dude', author_id: 1), 1
  end
end