#
# test/unit/bio/data/test_aa.rb - Unit test for Bio::AminoAcid
#
# Copyright::  Copyright (C) 2005 Mitsuteru Nakao <n@bioruby.org>
# License::    The Ruby License
#
#  $Id: test_aa.rb,v 1.7 2007/04/06 04:46:36 k Exp $
#

require 'pathname'
libpath = Pathname.new(File.join(File.dirname(__FILE__), ['..'] * 4, 'lib')).cleanpath.to_s
$:.unshift(libpath) unless $:.include?(libpath)

require 'test/unit'
require 'bio/data/aa'

module Bio
  class TestAAConstants < Test::Unit::TestCase
    def test_bio_aminoacid
      assert_equal('Ala', Bio::AminoAcid['A'])
    end
  end


  class TestAA < Test::Unit::TestCase
    def setup
      @obj = Bio::AminoAcid.new
    end

    def test_13
      assert_equal("Ala", @obj['A'])
    end

    def test_1n
      assert_equal('alanine', @obj.name('A'))
    end

    def test_to_1_name
      assert_equal('A', @obj.to_1('alanine'))
    end

    def test_to_1_3
      assert_equal('A', @obj.to_1('Ala'))
    end

    def test_to_1_1
      assert_equal('A', @obj.to_1('A'))
    end

    def test_to_3_name
      assert_equal('Ala', @obj.to_3('alanine'))
    end

    def test_to_3_3
      assert_equal('Ala', @obj.to_3('Ala'))
    end

    def test_to_3_1
      assert_equal('Ala', @obj.to_3('A'))
    end

    def test_one2three
      assert_equal('Ala', @obj.one2three('A'))
    end

    def test_three2one
      assert_equal('A', @obj.three2one('Ala'))
    end

    def test_one2name
      assert_equal('alanine', @obj.one2name('A'))
    end

    def test_name2one
      assert_equal('A', @obj.name2one('alanine'))
    end
    
    def test_three2name
      assert_equal('alanine', @obj.three2name('Ala'))
    end

    def test_name2three
      assert_equal('Ala', @obj.name2three('alanine'))
    end
    
    def test_to_re
      assert_equal(/[DNB][EQZ]ACDEFGHIKLMNPQRSTVWYU/, @obj.to_re('BZACDEFGHIKLMNPQRSTVWYU'))
    end
  end
end