gistfile1.txt

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'
  # Activate the gem you are reporting the issue against.
  gem 'rails', github: 'rails/rails'
  gem 'sqlite3'
end

require 'active_record'
require 'action_view'
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: 'sqlite3', database: ':memory:')
ActiveRecord::Base.logger = Logger.new(STDOUT)

ActiveRecord::Schema.define do
  create_table :posts, force: true do |t|
    t.string :title
  end
end

class Post < ActiveRecord::Base
  attribute :title, :string, default: -> { 'hello' }
end


class BugTest < ActionView::TestCase
  def form_for(*)
    @output_buffer = super
  end

  Routes = ActionDispatch::Routing::RouteSet.new
  Routes.draw do
    resources :posts
  end
  include Routes.url_helpers

  def test_attribute_default
    post = Post.new
    assert_equal 'hello', post.title
  end

  def test_attribute_default_with_form_for
    post = Post.new
    form_for(post) do |f|
      concat f.text_field(:title)
    end
    assert_match(/hello/, output_buffer)
  end
end

# Running:

.F

Finished in 0.071422s, 28.0024 runs/s, 42.0037 assertions/s.

  1) Failure:
BugTest#test_default_with_form_for [template.rb:59]:
Expected /hello/ to match "<form class=\"new_post\" id=\"new_post\" action=\"/posts\" accept-charset=\"UTF-8\" method=\"post\"><input name=\"utf8\" type=\"hidden\" value=\"&#x2713;\" /><input type=\"text\" value=\"#&lt;Proc:0x007f8f9a15f8e8@template.rb:34 (lambda)&gt;\" name=\"post[title]\" id=\"post_title\" /></form>".

2 runs, 3 assertions, 1 failures, 0 errors, 0 skips