require 'test/unit'
require File.expand_path(File.dirname(__FILE__) + "/../../../../config/environment")
$LOAD_PATH << File.dirname(__FILE__) + '/../lib/'
require 'file_cache'

FileCache.config.update(:default_dir => File.dirname(__FILE__) + "/../tmp")

class FileCacheTest < Test::Unit::TestCase

  def setup
    #FileUtils.rm Dir.glob(File.dirname(__FILE__) + '/../tmp/**')
  end  
  
  def create_cache_item(options)
    text = 'cached item'
  end

  def test_get
    text = FileCache.get {|opt| create_cache_item(opt)}
    assert_equal 'cached item', text
  end
  
  def test_get_filename
    filename = FileCache.get_filename {|opt| create_cache_item(opt)}
    assert File.exists?(filename)
  end
  
  def test_get_filename_custom_filename
    filename = FileCache.get_filename(:filename => 'my.cache') {|opt| create_cache_item(opt)}
    assert_equal File.join(FileCache.config[:default_dir], 'my.cache'), filename
  end
  
  def test_get_object
    arr = [1,2,3]
    value = FileCache.get(:filename => 'arr.cache') {|opt| arr }
    assert_equal value, arr
    value = FileCache.get(:filename => 'arr.cache') {|opt| arr }
    assert_equal value, arr
  end

  def test_get_filename_with_prefix
    filename = FileCache.get_filename(:prefix => 'prefix_') {|opt| create_cache_item(opt)}
    assert filename =~ %r{/prefix_}
  end
  
  def test_filename
    options = {:ext => '.gif'}
    puts FileCache.send('filename', options)
    FileCache.file_exists?(options)
    puts YAML::dump(options)
    puts FileCache.send('filename', options)
  end

end