module SeleniumHelper
  # This is slightly messy, when the test files are re-required
  # the classes turn up again in ObjectSpace and hence duplicates in
  # .subclasses, should probably figure out how to use Rails'
  # dynamic loading instead
  def test_unit_subclasses
    Test::Unit::TestCase.subclasses.uniq.collect { |k| k.constantize }
  end
  
  def view_path(view)
    path = File.dirname(__FILE__) + "/../views/#{view}"
    File.exists?(path) ? path : "#{path}.rhtml"
  end
  
  def selenium_path(file_name)
    File.expand_path(File.join(RAILS_ROOT, 'vendor/selenium', file_name))
  end
  
  def load_fixtures
    raise "Tryed to load fixtures in production environment" if RAILS_ENV.to_s == 'production'
    
    without_key_checks do
      Dir.glob(File.join(RAILS_ROOT, 'test', 'fixtures', '*.{yml,csv}')).each do |fixture_file|
        Fixtures.create_fixtures(File.join(RAILS_ROOT, 'test', 'fixtures'), File.basename(fixture_file, '.*'))
      end
    end
  end
  
  def without_key_checks
    return yield unless ActiveRecord::Base.connection.class.is_a?(ActiveRecord::ConnectionAdapters::MysqlAdapter)

    ActiveRecord::Base.connection.execute 'SET FOREIGN_KEY_CHECKS=0'
    yield
    ActiveRecord::Base.connection.execute 'SET FOREIGN_KEY_CHECKS=1'
  end
end