rails/actionpack/test/template/template_finder_test.rb

require 'abstract_unit'

class TemplateFinderTest < Test::Unit::TestCase

  LOAD_PATH_ROOT = File.join(File.dirname(__FILE__), '..', 'fixtures')

  def setup
    ActionView::TemplateFinder.process_view_paths(LOAD_PATH_ROOT)
    ActionView::Template::register_template_handler :mab, Class.new(ActionView::TemplateHandler)
    @template = ActionView::Base.new
    @finder = ActionView::TemplateFinder.new(@template, LOAD_PATH_ROOT)
  end

  def test_should_raise_exception_for_unprocessed_view_path
    assert_raises ActionView::TemplateFinder::InvalidViewPath do
      ActionView::TemplateFinder.new(@template, File.dirname(__FILE__))
    end
  end

  def test_should_cache_file_extension_properly
    assert_equal ["builder", "erb", "rhtml", "rjs", "rxml", "mab"].sort,
                 ActionView::TemplateFinder.file_extension_cache[LOAD_PATH_ROOT].values.flatten.uniq.sort

    assert_equal Dir.glob("#{LOAD_PATH_ROOT}/**/*.{erb,rjs,rhtml,builder,rxml,mab}").size,
                 ActionView::TemplateFinder.file_extension_cache[LOAD_PATH_ROOT].keys.size
  end

  def test_should_cache_dir_content_properly
    assert ActionView::TemplateFinder.processed_view_paths[LOAD_PATH_ROOT]
    assert_equal Dir.glob("#{LOAD_PATH_ROOT}/**/*").find_all {|f| !File.directory?(f) }.size,
                 ActionView::TemplateFinder.processed_view_paths[LOAD_PATH_ROOT].size
  end

  uses_mocha 'Template finder tests' do

    def test_should_update_extension_cache_when_template_handler_is_registered
      ActionView::TemplateFinder.expects(:update_extension_cache_for).with("funky")
      ActionView::Template::register_template_handler :funky, Class.new(ActionView::TemplateHandler)
    end

  end

end