275 lines
14 KiB
Ruby
275 lines
14 KiB
Ruby
require File.dirname(__FILE__) + '/abstract_unit'
|
||
|
||
$KCODE = 'UTF8'
|
||
|
||
class String
|
||
# Unicode Inspect returns the codepoints of the string in hex
|
||
def ui
|
||
"#{self} " + ("[%s]" % unpack("U*").map{|cp| cp.to_s(16) }.join(' '))
|
||
end unless ''.respond_to?(:ui)
|
||
end
|
||
|
||
module UTF8HandlingTest
|
||
|
||
def common_setup
|
||
# This is an ASCII string with some russian strings and a ligature. It's nicely calibrated, because
|
||
# slicing it at some specific bytes will kill your characters if you use standard Ruby routines.
|
||
# It has both capital and standard letters, so that we can test case conversions easily.
|
||
# It has 26 charactes and 28 when the ligature gets split during normalization.
|
||
@string = "Abcd Блå ffi бла бла бла бла"
|
||
@string_kd = "Abcd Блå ffi бла бла бла бла"
|
||
@string_kc = "Abcd Блå ffi бла бла бла бла"
|
||
@string_c = "Abcd Блå ffi бла бла бла бла"
|
||
@string_d = "Abcd Блå ffi бла бла бла бла"
|
||
@bytestring = "\270\236\010\210\245" # Not UTF-8
|
||
|
||
# Characters from the character classes as described in UAX #29
|
||
@character_from_class = {
|
||
:l => 0x1100, :v => 0x1160, :t => 0x11A8, :lv => 0xAC00, :lvt => 0xAC01, :cr => 0x000D, :lf => 0x000A,
|
||
:extend => 0x094D, :n => 0x64
|
||
}
|
||
end
|
||
|
||
def test_utf8_recognition
|
||
assert ActiveSupport::Multibyte::Handlers::UTF8Handler.consumes?(@string),
|
||
"Should recognize as a valid UTF-8 string"
|
||
assert !ActiveSupport::Multibyte::Handlers::UTF8Handler.consumes?(@bytestring), "This is bytestring, not UTF-8"
|
||
end
|
||
|
||
def test_simple_normalization
|
||
# Normalization of DEVANAGARI LETTER QA breaks when composition exclusion isn't used correctly
|
||
assert_equal [0x915, 0x93c].pack('U*').ui, [0x915, 0x93c].pack('U*').chars.normalize(:c).to_s.ui
|
||
|
||
null_byte_str = "Test\0test"
|
||
|
||
assert_equal '', @handler.normalize(''), "Empty string should not break things"
|
||
assert_equal null_byte_str.ui, @handler.normalize(null_byte_str, :kc).ui, "Null byte should remain"
|
||
assert_equal null_byte_str.ui, @handler.normalize(null_byte_str, :c).ui, "Null byte should remain"
|
||
assert_equal null_byte_str.ui, @handler.normalize(null_byte_str, :d).ui, "Null byte should remain"
|
||
assert_equal null_byte_str.ui, @handler.normalize(null_byte_str, :kd).ui, "Null byte should remain"
|
||
assert_equal null_byte_str.ui, @handler.decompose(null_byte_str).ui, "Null byte should remain"
|
||
assert_equal null_byte_str.ui, @handler.compose(null_byte_str).ui, "Null byte should remain"
|
||
|
||
comp_str = [
|
||
44, # LATIN CAPITAL LETTER D
|
||
307, # COMBINING DOT ABOVE
|
||
328, # COMBINING OGONEK
|
||
323 # COMBINING DOT BELOW
|
||
].pack("U*")
|
||
norm_str_KC = [44,105,106,328,323].pack("U*")
|
||
norm_str_C = [44,307,328,323].pack("U*")
|
||
norm_str_D = [44,307,110,780,78,769].pack("U*")
|
||
norm_str_KD = [44,105,106,110,780,78,769].pack("U*")
|
||
|
||
assert_equal norm_str_KC.ui, @handler.normalize(comp_str, :kc).ui, "Should normalize KC"
|
||
assert_equal norm_str_C.ui, @handler.normalize(comp_str, :c).ui, "Should normalize C"
|
||
assert_equal norm_str_D.ui, @handler.normalize(comp_str, :d).ui, "Should normalize D"
|
||
assert_equal norm_str_KD.ui, @handler.normalize(comp_str, :kd).ui, "Should normalize KD"
|
||
|
||
assert_raise(ActiveSupport::Multibyte::Handlers::EncodingError) { @handler.normalize(@bytestring) }
|
||
end
|
||
|
||
# Test for the Public Review Issue #29, bad explaination of composition might lead to a
|
||
# bad implementation: http://www.unicode.org/review/pr-29.html
|
||
def test_normalization_C_pri_29
|
||
[
|
||
[0x0B47, 0x0300, 0x0B3E],
|
||
[0x1100, 0x0300, 0x1161]
|
||
].map { |c| c.pack('U*') }.each do |c|
|
||
assert_equal c.ui, @handler.normalize(c, :c).ui, "Composition is implemented incorrectly"
|
||
end
|
||
end
|
||
|
||
def test_casefolding
|
||
simple_str = "abCdef"
|
||
simple_str_upcase = "ABCDEF"
|
||
simple_str_downcase = "abcdef"
|
||
|
||
assert_equal '', @handler.downcase(@handler.upcase('')), "Empty string should not break things"
|
||
assert_equal simple_str_upcase, @handler.upcase(simple_str), "should upcase properly"
|
||
assert_equal simple_str_downcase, @handler.downcase(simple_str), "should downcase properly"
|
||
assert_equal simple_str_downcase, @handler.downcase(@handler.upcase(simple_str_downcase)), "upcase and downcase should be mirrors"
|
||
|
||
rus_str = "аБвгд\0f"
|
||
rus_str_upcase = "АБВГД\0F"
|
||
rus_str_downcase = "абвгд\0f"
|
||
assert_equal rus_str_upcase, @handler.upcase(rus_str), "should upcase properly honoring null-byte"
|
||
assert_equal rus_str_downcase, @handler.downcase(rus_str), "should downcase properly honoring null-byte"
|
||
|
||
jap_str = "の埋め込み化対応はほぼ完成"
|
||
assert_equal jap_str, @handler.upcase(jap_str), "Japanse has no upcase, should remain unchanged"
|
||
assert_equal jap_str, @handler.downcase(jap_str), "Japanse has no downcase, should remain unchanged"
|
||
|
||
assert_raise(ActiveSupport::Multibyte::Handlers::EncodingError) { @handler.upcase(@bytestring) }
|
||
end
|
||
|
||
def test_capitalize
|
||
{ 'аБвг аБвг' => 'Абвг абвг',
|
||
'аБвг АБВГ' => 'Абвг абвг',
|
||
'АБВГ АБВГ' => 'Абвг абвг',
|
||
'' => '' }.each do |f,t|
|
||
assert_equal t, @handler.capitalize(f), "Capitalize should work as expected"
|
||
end
|
||
assert_raise(ActiveSupport::Multibyte::Handlers::EncodingError) { @handler.capitalize(@bytestring) }
|
||
end
|
||
|
||
def test_translate_offset
|
||
str = "Блaå" # [2, 2, 1, 2] bytes
|
||
assert_equal 0, @handler.translate_offset('', 0), "Offset for an empty string makes no sense, return 0"
|
||
assert_equal 0, @handler.translate_offset(str, 0), "First character, first byte"
|
||
assert_equal 0, @handler.translate_offset(str, 1), "First character, second byte"
|
||
assert_equal 1, @handler.translate_offset(str, 2), "Second character, third byte"
|
||
assert_equal 1, @handler.translate_offset(str, 3), "Second character, fourth byte"
|
||
assert_equal 2, @handler.translate_offset(str, 4), "Third character, fifth byte"
|
||
assert_equal 3, @handler.translate_offset(str, 5), "Fourth character, sixth byte"
|
||
assert_equal 3, @handler.translate_offset(str, 6), "Fourth character, seventh byte"
|
||
assert_raise(ActiveSupport::Multibyte::Handlers::EncodingError) { @handler.translate_offset(@bytestring, 3) }
|
||
end
|
||
|
||
def test_insert
|
||
assert_equal '', @handler.insert('', 0, ''), "Empty string should not break things"
|
||
assert_equal "Abcd Блå ffiБУМ бла бла бла бла", @handler.insert(@string, 10, "БУМ"),
|
||
"Text should be inserted at right codepoints"
|
||
assert_equal "Abcd Блå ffiБУМ бла бла бла бла", @string, "Insert should be destructive"
|
||
assert_raise(ActiveSupport::Multibyte::Handlers::EncodingError) do
|
||
@handler.insert(@bytestring, 2, "\210")
|
||
end
|
||
end
|
||
|
||
def test_reverse
|
||
str = "wБлåa \n"
|
||
rev = "\n aåлБw"
|
||
assert_equal '', @handler.reverse(''), "Empty string shouldn't change"
|
||
assert_equal rev.ui, @handler.reverse(str).ui, "Should reverse properly"
|
||
assert_raise(ActiveSupport::Multibyte::Handlers::EncodingError) { @handler.reverse(@bytestring) }
|
||
end
|
||
|
||
def test_size
|
||
assert_equal 0, @handler.size(''), "Empty string has size 0"
|
||
assert_equal 26, @handler.size(@string), "String length should be 26"
|
||
assert_equal 26, @handler.length(@string), "String length method should be properly aliased"
|
||
assert_raise(ActiveSupport::Multibyte::Handlers::EncodingError) { @handler.size(@bytestring) }
|
||
end
|
||
|
||
def test_slice
|
||
assert_equal 0x41, @handler.slice(@string, 0), "Singular characters should return codepoints"
|
||
assert_equal 0xE5, @handler.slice(@string, 7), "Singular characters should return codepoints"
|
||
assert_equal nil, @handler.slice('', -1..1), "Broken range should return nil"
|
||
assert_equal '', @handler.slice('', 0..10), "Empty string should not break things"
|
||
assert_equal "d Блå ffi", @handler.slice(@string, 3..9), "Unicode characters have to be returned"
|
||
assert_equal "d Блå ffi", @handler.slice(@string, 3, 7), "Unicode characters have to be returned"
|
||
assert_equal "A", @handler.slice(@string, 0, 1), "Slicing from an offset should return characters"
|
||
assert_equal " Блå ffi ", @handler.slice(@string, 4..10), "Unicode characters have to be returned"
|
||
assert_equal "", @handler.slice(@string, 7..6), "Range is empty, should return an empty string"
|
||
assert_raise(ActiveSupport::Multibyte::Handlers::EncodingError) { @handler.slice(@bytestring, 2..3) }
|
||
end
|
||
|
||
def test_grapheme_cluster_length
|
||
assert_equal 0, @handler.g_length(''), "String should count 0 grapheme clusters"
|
||
assert_equal 2, @handler.g_length([0x0924, 0x094D, 0x0930].pack('U*')), "String should count 2 grapheme clusters"
|
||
assert_equal 1, @handler.g_length(string_from_classes(%w(cr lf))), "Don't cut between CR and LF"
|
||
assert_equal 1, @handler.g_length(string_from_classes(%w(l l))), "Don't cut between L"
|
||
assert_equal 1, @handler.g_length(string_from_classes(%w(l v))), "Don't cut between L and V"
|
||
assert_equal 1, @handler.g_length(string_from_classes(%w(l lv))), "Don't cut between L and LV"
|
||
assert_equal 1, @handler.g_length(string_from_classes(%w(l lvt))), "Don't cut between L and LVT"
|
||
assert_equal 1, @handler.g_length(string_from_classes(%w(lv v))), "Don't cut between LV and V"
|
||
assert_equal 1, @handler.g_length(string_from_classes(%w(lv t))), "Don't cut between LV and T"
|
||
assert_equal 1, @handler.g_length(string_from_classes(%w(v v))), "Don't cut between V and V"
|
||
assert_equal 1, @handler.g_length(string_from_classes(%w(v t))), "Don't cut between V and T"
|
||
assert_equal 1, @handler.g_length(string_from_classes(%w(lvt t))), "Don't cut between LVT and T"
|
||
assert_equal 1, @handler.g_length(string_from_classes(%w(t t))), "Don't cut between T and T"
|
||
assert_equal 1, @handler.g_length(string_from_classes(%w(n extend))), "Don't cut before Extend"
|
||
assert_equal 2, @handler.g_length(string_from_classes(%w(n n))), "Cut between normal characters"
|
||
assert_equal 3, @handler.g_length(string_from_classes(%w(n cr lf n))), "Don't cut between CR and LF"
|
||
assert_equal 2, @handler.g_length(string_from_classes(%w(n l v t))), "Don't cut between L, V and T"
|
||
assert_raise(ActiveSupport::Multibyte::Handlers::EncodingError) { @handler.g_length(@bytestring) }
|
||
end
|
||
|
||
def test_index
|
||
s = "Καλημέρα κόσμε!"
|
||
assert_equal 0, @handler.index('', ''), "The empty string is always found at the beginning of the string"
|
||
assert_equal 0, @handler.index('haystack', ''), "The empty string is always found at the beginning of the string"
|
||
assert_equal 0, @handler.index(s, 'Κ'), "Greek K is at 0"
|
||
assert_equal 1, @handler.index(s, 'α'), "Greek Alpha is at 1"
|
||
|
||
assert_equal nil, @handler.index(@bytestring, 'a')
|
||
assert_raise(ActiveSupport::Multibyte::Handlers::EncodingError) { @handler.index(@bytestring, "\010") }
|
||
end
|
||
|
||
def test_strip
|
||
# A unicode aware version of strip should strip all 26 types of whitespace. This includes the NO BREAK SPACE
|
||
# aka BOM (byte order mark). The byte order mark has no place in UTF-8 because it's used to detect LE and BE.
|
||
b = "\n" + [
|
||
32, # SPACE
|
||
8195, # EM SPACE
|
||
8199, # FIGURE SPACE,
|
||
8201, # THIN SPACE
|
||
8202, # HAIR SPACE
|
||
65279, # NO BREAK SPACE (ZW)
|
||
].pack('U*')
|
||
m = "word блин\n\n\n word"
|
||
e = [
|
||
65279, # NO BREAK SPACE (ZW)
|
||
8201, # THIN SPACE
|
||
8199, # FIGURE SPACE,
|
||
32, # SPACE
|
||
].pack('U*')
|
||
string = b+m+e
|
||
|
||
assert_equal '', @handler.strip(''), "Empty string should stay empty"
|
||
assert_equal m+e, @handler.lstrip(string), "Whitespace should be gone on the left"
|
||
assert_equal b+m, @handler.rstrip(string), "Whitespace should be gone on the right"
|
||
assert_equal m, @handler.strip(string), "Whitespace should be stripped on both sides"
|
||
|
||
bs = "\n #{@bytestring} \n\n"
|
||
assert_equal @bytestring, @handler.strip(bs), "Invalid unicode strings should still strip"
|
||
end
|
||
|
||
def test_tidy_bytes
|
||
result = [0xb8, 0x17e, 0x8, 0x2c6, 0xa5].pack('U*')
|
||
assert_equal result, @handler.tidy_bytes(@bytestring)
|
||
assert_equal "a#{result}a", @handler.tidy_bytes('a' + @bytestring + 'a'),
|
||
'tidy_bytes should leave surrounding characters intact'
|
||
assert_equal "é#{result}é", @handler.tidy_bytes('é' + @bytestring + 'é'),
|
||
'tidy_bytes should leave surrounding characters intact'
|
||
assert_nothing_raised { @handler.tidy_bytes(@bytestring).unpack('U*') }
|
||
|
||
assert_equal "\xC3\xA7", @handler.tidy_bytes("\xE7") # iso_8859_1: small c cedilla
|
||
assert_equal "\xC2\xA9", @handler.tidy_bytes("\xA9") # iso_8859_1: copyright symbol
|
||
assert_equal "\xE2\x80\x9C", @handler.tidy_bytes("\x93") # win_1252: left smart quote
|
||
assert_equal "\xE2\x82\xAC", @handler.tidy_bytes("\x80") # win_1252: euro
|
||
assert_equal "\x00", @handler.tidy_bytes("\x00") # null char
|
||
assert_equal [0xfffd].pack('U'), @handler.tidy_bytes("\xef\xbf\xbd") # invalid char
|
||
end
|
||
|
||
protected
|
||
|
||
def string_from_classes(classes)
|
||
classes.collect do |k|
|
||
@character_from_class[k.intern]
|
||
end.pack('U*')
|
||
end
|
||
end
|
||
|
||
|
||
begin
|
||
require_library_or_gem('utf8proc_native')
|
||
require 'active_record/multibyte/handlers/utf8_handler_proc'
|
||
class UTF8HandlingTestProc < Test::Unit::TestCase
|
||
include UTF8HandlingTest
|
||
def setup
|
||
common_setup
|
||
@handler = ::ActiveSupport::Multibyte::Handlers::UTF8HandlerProc
|
||
end
|
||
end
|
||
rescue LoadError
|
||
end
|
||
|
||
class UTF8HandlingTestPure < Test::Unit::TestCase
|
||
include UTF8HandlingTest
|
||
def setup
|
||
common_setup
|
||
@handler = ::ActiveSupport::Multibyte::Handlers::UTF8Handler
|
||
end
|
||
end
|