require File.dirname(__FILE__) + '/abstract_unit'
require 'test/unit'

class ActionViewTests < Test::Unit::TestCase
  def test_find_template_extension_from_first_render
    base = ActionView::Base.new

    assert_nil base.send(:find_template_extension_from_first_render)

    {
      nil => nil,
      '' => nil,
      'foo' => nil,
      '/foo' => nil,
      'foo.rb' => 'rb',
      'foo.bar.rb' => 'bar.rb',
      'baz/foo.rb' => 'rb',
      'baz/foo.bar.rb' => 'bar.rb',
      'baz/foo.o/foo.rb' => 'rb',
      'baz/foo.o/foo.bar.rb' => 'bar.rb',
    }.each do |input,expectation|
      base.instance_variable_set('@first_render', input)
      assert_equal expectation, base.send(:find_template_extension_from_first_render)
    end
  end
end