$:.unshift File.join(File.dirname(__FILE__), "..", "..", "lib")

require 'test/unit'
require 'buildmaster'

module BuildMaster

class SiteSpecTest < Test::Unit::TestCase
  def test_should_get_relative_path
    spec = SiteSpec.new
    spec.content_dir = '/one/two/content'
    assert_equal('images/logo.gif', spec.relative_to_root('/one/two/content/images/logo.gif').to_s)
  end
  
  def test_should_support_windows_path
    spec = SiteSpec.new
    spec.content_dir = "C:\\Work\\project\\content"
    assert_equal('images/logo.gif', spec.relative_to_root('C:\\Work\\project\\content\\images\\logo.gif').to_s)
  end
  
  def test_should_evaluate
    spec = SampleSiteSpec.new
    spec.content_dir = '/one/two/content'
    result = spec.evaluate('expression', '/one/two/content/dir/file.txt')
    assert_equal('dir/file.txt', result)
  end
  
  def test_should_check_for_property
    spec = SiteSpec.new
    spec.content_dir = "/one"
    spec.add_property('release', '0.6')
    assert_equal('0.6', spec.evaluate('release', '/one'))
  end
  
  def test_should_throw_error_with_proper_message_for_expression_problem
    spec = SiteSpec.new
    spec.content_dir = "/one"
    begin
      spec.evaluate('expression', '/one/two')
      fail('exception should have been thrown')
    rescue RuntimeError => boom
      assert_equal("Neither property nor method found with name 'expression'", boom.message)
    end
  end
  
  def test_relative_to_root_expression
    spec = SiteSpec.new
    spec.content_dir = '/one'
    actual = spec.evaluate('relative_to_root', '/one/two')
    assert_equal(Pathname.new('two'), actual)
  end
  
end

class SampleSiteSpec < SiteSpec
  private
  def expression(path)
    return path
  end
  
  def expression2
    return 'expected'
  end
end

end