#!/usr/bin/ruby

$:.unshift File.dirname(__FILE__)
require 'test/unit'
require 'brewkit'
require 'stringio'

class TestFormula <Formula
  def initialize url, md5='nomd5'
    @url=url
    @md5=md5
    super 'test'
  end
end

def nostdout
  tmp=$stdout
  $stdout=StringIO.new
  yield
  $stdout=tmp
end


class BeerTasting <Test::Unit::TestCase
  def test_version_all_dots
    r=TestFormula.new "http://example.com/foo.bar.la.1.14.zip"
    assert_equal '1.14', r.version
  end

  def test_version_underscore_separator
    r=TestFormula.new "http://example.com/grc_1.1.tar.gz"
    assert_equal '1.1', r.version
  end

  def test_boost_version_style
    r=TestFormula.new "http://example.com/boost_1_39_0.tar.bz2"
    assert_equal '1.39.0', r.version
  end

  def test_erlang_version_style
    r=TestFormula.new "http://erlang.org/download/otp_src_R13B.tar.gz"
    assert_equal 'R13B', r.version
  end
  
  def test_astyle_verson_style
    r=TestFormula.new "http://kent.dl.sourceforge.net/sourceforge/astyle/astyle_1.23_macosx.tar.gz"
    assert_equal '1.23', r.version
  end
  
  def test_dos2unix
    r=TestFormula.new "http://www.sfr-fresh.com/linux/misc/dos2unix-3.1.tar.gz"
    assert_equal '3.1', r.version
  end

  def test_version_internal_dash
    r=TestFormula.new "http://example.com/foo-arse-1.1-2.tar.gz"
    assert_equal '1.1-2', r.version
  end

  def test_version_single_digit
    r=TestFormula.new "http://example.com/foo_bar.45.tar.gz"
    assert_equal '45', r.version
  end

  def test_noseparator_single_digit
    r=TestFormula.new "http://example.com/foo_bar45.tar.gz"
    assert_equal '45', r.version
  end

  def test_version_developer_that_hates_us_format
    r=TestFormula.new "http://example.com/foo-bar-la.1.2.3.tar.gz"
    assert_equal '1.2.3', r.version
  end

  def test_version_regular
    r=TestFormula.new "http://example.com/foo_bar-1.21.tar.gz"
    assert_equal '1.21', r.version
  end

  def test_yet_another_version
    r=TestFormula.new "http://example.com/mad-0.15.1b.tar.gz"
    assert_equal '0.15.1b', r.version
  end

  def test_supported_compressed_types
    assert_nothing_raised do
      TestFormula.new 'test-0.1.tar.gz'
      TestFormula.new 'test-0.1.tar.bz2'
      TestFormula.new 'test-0.1.tgz'
      TestFormula.new 'test-0.1.zip'
    end
  end

  def test_prefix
    url='http://www.methylblue.com/test-0.1.tar.gz'
    md5='d496ea538a21dc4bb8524a8888baf88c'

    nostdout do
      TestFormula.new(url, md5).brew do |f|
        assert_equal File.expand_path(f.prefix), ($cellar+f.name+'0.1').to_s
        assert_kind_of Pathname, f.prefix
      end
    end
  end
end