fixtures validity

fixtures_test.rb

require 'test_helper'
class FixturesTest < ActiveSupport::TestCase

  def test_fixtures_for_validity
    fixture_tables = all_fixture_tables
    assert_not_equal 0, fixture_tables.size, "Unable to find any fixtures in #{fixture_files_path}"

    fixture_tables.each do |table_name|
      ActiveRecord::Fixtures.all_loaded_fixtures[table_name].each do |f|
        fixture_name = f[0]
        if fixture_name =~ /^invalid_/
          assert !self.send(table_name, fixture_name).valid?, "#{table_name}(:#{fixture_name}) is a valid fixture, but marked as invalid"
        else
          assert self.send(table_name, fixture_name).valid?, "#{table_name}(:#{fixture_name}) is an invalid fixture"
        end
      end
    end

  end

private

  def fixture_files_path
    File.join(File.dirname(__FILE__) + "/../fixtures", "*.yml")
  end

  def all_fixture_tables
    Dir[fixture_files_path].map { |file| File.basename(file[/^(.+)\.[^.]+?$/, 1]) }
  end

end

users.yml

user:
  name: Any User
  email: user@my_app.com
user_without_email:
  name: User Without Email
invalid_user:
  name: Invalid User