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# coding: utf-8
# Copyright Ayumu Nojima (野島 歩) and Martin J. Dürst (duerst@it.aoyama.ac.jp)
require 'test/unit'
require 'unicode_normalize/normalize'
class TestUnicodeNormalize < Test::Unit::TestCase
UNICODE_VERSION = UnicodeNormalize::UNICODE_VERSION
NormTest = Struct.new :source, :NFC, :NFD, :NFKC, :NFKD, :line
def read_tests
IO.readlines(File.expand_path("../enc/unicode/data/#{UNICODE_VERSION}/NormalizationTest.txt", __dir__), encoding: 'utf-8')
.tap { |lines| assert_include(lines[0], "NormalizationTest-#{UNICODE_VERSION}.txt")}
.collect.with_index { |linedata, linenumber| [linedata, linenumber]}
.reject { |line| line[0] =~ /^[\#@]/ }
.collect do |line|
NormTest.new *(line[0].split(';').take(5).collect do |code_string|
code_string.split(/\s/).collect { |cp| cp.to_i(16) }.pack('U*')
end + [line[1]+1])
end
end
def to_codepoints(string)
string.codepoints.collect { |cp| cp.to_s(16).upcase.rjust(4, '0') }
end
def setup
@@tests ||= read_tests
rescue Errno::ENOENT => e
@@tests ||= []
skip e.message
end
def self.generate_test_normalize(target, normalization, source, prechecked)
define_method "test_normalize_to_#{target}_from_#{source}_with_#{normalization}" do
expected = actual = test = nil
mesg = proc {"#{to_codepoints(expected)} expected but was #{to_codepoints(actual)} on line #{test[:line]} (#{normalization})"}
@@tests.each do |t|
test = t
if prechecked.nil? or test[prechecked]==test[source]
expected = test[target]
actual = test[source].unicode_normalize(normalization)
assert_equal expected, actual, mesg
end
end
end
end
# source; NFC; NFD; NFKC; NFKD
# NFC
# :NFC == toNFC(:source) == toNFC(:NFC) == toNFC(:NFD)
generate_test_normalize :NFC, :nfc, :source, nil
generate_test_normalize :NFC, :nfc, :NFC, :source
generate_test_normalize :NFC, :nfc, :NFD, :source
# :NFKC == toNFC(:NFKC) == toNFC(:NFKD)
generate_test_normalize :NFKC, :nfc, :NFKC, nil
generate_test_normalize :NFKC, :nfc, :NFKD, :NFKC
#
# NFD
# :NFD == toNFD(:source) == toNFD(:NFC) == toNFD(:NFD)
generate_test_normalize :NFD, :nfd, :source, nil
generate_test_normalize :NFD, :nfd, :NFC, :source
generate_test_normalize :NFD, :nfd, :NFD, :source
# :NFKD == toNFD(:NFKC) == toNFD(:NFKD)
generate_test_normalize :NFKD, :nfd, :NFKC, nil
generate_test_normalize :NFKD, :nfd, :NFKD, :NFKC
#
# NFKC
# :NFKC == toNFKC(:source) == toNFKC(:NFC) == toNFKC(:NFD) == toNFKC(:NFKC) == toNFKC(:NFKD)
generate_test_normalize :NFKC, :nfkc, :source, nil
generate_test_normalize :NFKC, :nfkc, :NFC, :source
generate_test_normalize :NFKC, :nfkc, :NFD, :source
generate_test_normalize :NFKC, :nfkc, :NFKC, :NFC
generate_test_normalize :NFKC, :nfkc, :NFKD, :NFD
#
# NFKD
# :NFKD == toNFKD(:source) == toNFKD(:NFC) == toNFKD(:NFD) == toNFKD(:NFKC) == toNFKD(:NFKD)
generate_test_normalize :NFKD, :nfkd, :source, nil
generate_test_normalize :NFKD, :nfkd, :NFC, :source
generate_test_normalize :NFKD, :nfkd, :NFD, :source
generate_test_normalize :NFKD, :nfkd, :NFKC, :NFC
generate_test_normalize :NFKD, :nfkd, :NFKD, :NFD
def self.generate_test_check_true(source, normalization)
define_method "test_check_true_#{source}_as_#{normalization}" do
test = nil
mesg = proc {"#{to_codepoints(test[source])} should check as #{normalization} but does not on line #{test[:line]}"}
@@tests.each do |t|
test = t
actual = test[source].unicode_normalized?(normalization)
assert_equal true, actual, mesg
end
end
end
def self.generate_test_check_false(source, compare, normalization)
define_method "test_check_false_#{source}_as_#{normalization}" do
test = nil
mesg = proc {"#{to_codepoints(test[source])} should not check as #{normalization} but does on line #{test[:line]}"}
@@tests.each do |t|
test = t
if test[source] != test[compare]
actual = test[source].unicode_normalized?(normalization)
assert_equal false, actual, mesg
end
end
end
end
generate_test_check_true :NFC, :nfc
generate_test_check_true :NFD, :nfd
generate_test_check_true :NFKC, :nfc
generate_test_check_true :NFKC, :nfkc
generate_test_check_true :NFKD, :nfd
generate_test_check_true :NFKD, :nfkd
generate_test_check_false :source, :NFD, :nfd
generate_test_check_false :NFC, :NFD, :nfd
generate_test_check_false :NFKC, :NFKD, :nfd
generate_test_check_false :source, :NFC, :nfc
generate_test_check_false :NFD, :NFC, :nfc
generate_test_check_false :NFKD, :NFKC, :nfc
generate_test_check_false :source, :NFKD, :nfkd
generate_test_check_false :NFC, :NFKD, :nfkd
generate_test_check_false :NFD, :NFKD, :nfkd
generate_test_check_false :NFKC, :NFKD, :nfkd
generate_test_check_false :source, :NFKC, :nfkc
generate_test_check_false :NFC, :NFKC, :nfkc
generate_test_check_false :NFD, :NFKC, :nfkc
generate_test_check_false :NFKD, :NFKC, :nfkc
def test_non_UTF_8
assert_equal "\u1E0A".encode('UTF-16BE'), "D\u0307".encode('UTF-16BE').unicode_normalize(:nfc)
assert_equal true, "\u1E0A".encode('UTF-16BE').unicode_normalized?(:nfc)
assert_equal false, "D\u0307".encode('UTF-16BE').unicode_normalized?(:nfc)
end
def test_singleton_with_accents
assert_equal "\u0136", "\u212A\u0327".unicode_normalize(:nfc)
end
def test_partial_jamo_compose
assert_equal "\uAC01", "\uAC00\u11A8".unicode_normalize(:nfc)
end
def test_partial_jamo_decompose
assert_equal "\u1100\u1161\u11A8", "\uAC00\u11A8".unicode_normalize(:nfd)
end
def test_hangul_plus_accents
assert_equal "\uAC00\u0323\u0300", "\uAC00\u0300\u0323".unicode_normalize(:nfc)
assert_equal "\uAC00\u0323\u0300", "\u1100\u1161\u0300\u0323".unicode_normalize(:nfc)
assert_equal "\u1100\u1161\u0323\u0300", "\uAC00\u0300\u0323".unicode_normalize(:nfd)
assert_equal "\u1100\u1161\u0323\u0300", "\u1100\u1161\u0300\u0323".unicode_normalize(:nfd)
end
def test_raise_exception_for_non_unicode_encoding
assert_raise(Encoding::CompatibilityError) { "abc".force_encoding('ISO-8859-1').unicode_normalize }
assert_raise(Encoding::CompatibilityError) { "abc".force_encoding('ISO-8859-1').unicode_normalize! }
assert_raise(Encoding::CompatibilityError) { "abc".force_encoding('ISO-8859-1').unicode_normalized? }
end
def test_us_ascii
ascii_string = 'abc'.encode('US-ASCII')
assert_equal ascii_string, ascii_string.unicode_normalize
assert_equal ascii_string, ascii_string.unicode_normalize(:nfd)
assert_equal ascii_string, ascii_string.unicode_normalize(:nfkc)
assert_equal ascii_string, ascii_string.unicode_normalize(:nfkd)
assert_equal ascii_string, ascii_string.unicode_normalize!
assert_equal ascii_string, ascii_string.unicode_normalize!(:nfd)
assert_equal ascii_string, ascii_string.unicode_normalize!(:nfkc)
assert_equal ascii_string, ascii_string.unicode_normalize!(:nfkd)
assert_equal true, ascii_string.unicode_normalized?
assert_equal true, ascii_string.unicode_normalized?(:nfd)
assert_equal true, ascii_string.unicode_normalized?(:nfkc)
assert_equal true, ascii_string.unicode_normalized?(:nfkd)
end
end
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