#!/usr/bin/ruby
# Copyright (C) 2004-2006 Dafydd Harries

require 'test/unit'
require 'gettext'
require 'alexandria'
require 'alexandria/import_library'

class TestISBN < Test::Unit::TestCase

  def __test_fake_import_isbns
    libraries = Alexandria::Libraries.instance
    library = Alexandria::Library.new("Test Library")
    libraries.add_library(library)
    [library, libraries]
  end

  def test_valid_ISBN
    for x in ["014143984X", "0-345-43192-8"]
      assert Alexandria::Library.valid_isbn?(x)
    end
  end

  def test_valid_EAN
    assert Alexandria::Library.valid_ean?("9780345431929")

    # Regression test: this EAN has a checksum of 10, which should be
    # treated like a checksum of 0.
    assert Alexandria::Library.valid_ean?("9784047041790")
  end

  def test_canonical_ISBN
    assert_equal "014143984X",
    Alexandria::Library.canonicalise_isbn("014143984X")
    assert_equal "0345431928",
    Alexandria::Library.canonicalise_isbn("0-345-43192-8")
    assert_equal "3522105907",
    Alexandria::Library.canonicalise_isbn("3522105907")
    # EAN number
    assert_equal "0345431928",
    Alexandria::Library.canonicalise_isbn("9780345431929")
  end

  #Doesn't work quite yet.
  #     def test_ISBN_import_bad_number
  #             on_iterate_cb = proc { }
  #             on_error_cb = proc { }
  #             library, libraries = __test_fake_import_isbns
  #             test_file = "data/isbns.txt"
  #             library.import_as_isbn_list("Test Library", test_file, on_iterate_cb, on_error_cb)
  #     end
end