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import punycode, std/unicode
import std/assertions
doAssert(decode(encode("", "bücher")) == "bücher")
doAssert(decode(encode("münchen")) == "münchen")
doAssert encode("xn--", "münchen") == "xn--mnchen-3ya"
# source: https://datatracker.ietf.org/doc/html/rfc3492.html#section-7
let punycode_testcases = [
# (A) Arabic (Egyptian):
(
input:
"\u0644\u064A\u0647\u0645\u0627\u0628\u062A\u0643\u0644" &
"\u0645\u0648\u0634\u0639\u0631\u0628\u064A\u061F",
output:
"egbpdaj6bu4bxfgehfvwxn"
),
# (B) Chinese (simplified):
(
input:
"\u4ED6\u4EEC\u4E3A\u4EC0\u4E48\u4E0D\u8BF4\u4E2D\u6587",
output:
"ihqwcrb4cv8a8dqg056pqjye"
),
# (C) Chinese (traditional):
(
input:
"\u4ED6\u5011\u7232\u4EC0\u9EBD\u4E0D\u8AAA\u4E2D\u6587",
output:
"ihqwctvzc91f659drss3x8bo0yb"
),
# (D) Czech: Pro<ccaron>prost<ecaron>nemluv<iacute><ccaron>esky
(
input:
"\u0050\u0072\u006F\u010D\u0070\u0072\u006F\u0073\u0074" &
"\u011B\u006E\u0065\u006D\u006C\u0075\u0076\u00ED\u010D" &
"\u0065\u0073\u006B\u0079",
output:
"Proprostnemluvesky-uyb24dma41a"
),
# (E) Hebrew:
(
input:
"\u05DC\u05DE\u05D4\u05D4\u05DD\u05E4\u05E9\u05D5\u05D8" &
"\u05DC\u05D0\u05DE\u05D3\u05D1\u05E8\u05D9\u05DD\u05E2" &
"\u05D1\u05E8\u05D9\u05EA",
output:
"4dbcagdahymbxekheh6e0a7fei0b"
),
# (F) Hindi (Devanagari):
(
input:
"\u092F\u0939\u0932\u094B\u0917\u0939\u093F\u0928\u094D" &
"\u0926\u0940\u0915\u094D\u092F\u094B\u0902\u0928\u0939" &
"\u0940\u0902\u092C\u094B\u0932\u0938\u0915\u0924\u0947" &
"\u0939\u0948\u0902",
output:
"i1baa7eci9glrd9b2ae1bj0hfcgg6iyaf8o0a1dig0cd"
),
# (G) Japanese (kanji and hiragana):
(
input:
"\u306A\u305C\u307F\u3093\u306A\u65E5\u672C\u8A9E\u3092" &
"\u8A71\u3057\u3066\u304F\u308C\u306A\u3044\u306E\u304B",
output:
"n8jok5ay5dzabd5bym9f0cm5685rrjetr6pdxa"
),
# (H) Korean (Hangul syllables):
(
input:
"\uC138\uACC4\uC758\uBAA8\uB4E0\uC0AC\uB78C\uB4E4\uC774" &
"\uD55C\uAD6D\uC5B4\uB97C\uC774\uD574\uD55C\uB2E4\uBA74" &
"\uC5BC\uB9C8\uB098\uC88B\uC744\uAE4C",
output:
"989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5jpsd879ccm6fea98c"
),
# (I) Russian (Cyrillic):
(
input:
"\u043F\u043E\u0447\u0435\u043C\u0443\u0436\u0435\u043E" &
"\u043D\u0438\u043D\u0435\u0433\u043E\u0432\u043E\u0440" &
"\u044F\u0442\u043F\u043E\u0440\u0443\u0441\u0441\u043A" &
"\u0438",
output:
"b1abfaaepdrnnbgefbaDotcwatmq2g4l"
),
# (J) Spanish: Porqu<eacute>nopuedensimplementehablarenEspa<ntilde>ol
(
input:
"\u0050\u006F\u0072\u0071\u0075\u00E9\u006E\u006F\u0070" &
"\u0075\u0065\u0064\u0065\u006E\u0073\u0069\u006D\u0070" &
"\u006C\u0065\u006D\u0065\u006E\u0074\u0065\u0068\u0061" &
"\u0062\u006C\u0061\u0072\u0065\u006E\u0045\u0073\u0070" &
"\u0061\u00F1\u006F\u006C",
output:
"PorqunopuedensimplementehablarenEspaol-fmd56a"
),
# (K) Vietnamese:
# T<adotbelow>isaoh<odotbelow>kh<ocirc>ngth<ecirchookabove>ch\
# <ihookabove>n<oacute>iti<ecircacute>ngVi<ecircdotbelow>t
(
input:
"\u0054\u1EA1\u0069\u0073\u0061\u006F\u0068\u1ECD\u006B" &
"\u0068\u00F4\u006E\u0067\u0074\u0068\u1EC3\u0063\u0068" &
"\u1EC9\u006E\u00F3\u0069\u0074\u0069\u1EBF\u006E\u0067" &
"\u0056\u0069\u1EC7\u0074",
output:
"TisaohkhngthchnitingVit-kjcr8268qyxafd2f1b9g"
),
# (L) 3<nen>B<gumi><kinpachi><sensei>
(
input:
"\u0033\u5E74\u0042\u7D44\u91D1\u516B\u5148\u751F",
output:
"3B-ww4c5e180e575a65lsy2b"
),
# (M) <amuro><namie>-with-SUPER-MONKEYS
(
input:
"\u5B89\u5BA4\u5948\u7F8E\u6075\u002D\u0077\u0069\u0074" &
"\u0068\u002D\u0053\u0055\u0050\u0045\u0052\u002D\u004D" &
"\u004F\u004E\u004B\u0045\u0059\u0053",
output:
"-with-SUPER-MONKEYS-pc58ag80a8qai00g7n9n"
),
# (N) Hello-Another-Way-<sorezore><no><basho>
(
input:
"\u0048\u0065\u006C\u006C\u006F\u002D\u0041\u006E\u006F" &
"\u0074\u0068\u0065\u0072\u002D\u0057\u0061\u0079\u002D" &
"\u305D\u308C\u305E\u308C\u306E\u5834\u6240",
output:
"Hello-Another-Way--fc4qua05auwb3674vfr0b"
),
# (O) <hitotsu><yane><no><shita>2
(
input:
"\u3072\u3068\u3064\u5C4B\u6839\u306E\u4E0B\u0032",
output:
"2-u9tlzr9756bt3uc0v"
),
# (P) Maji<de>Koi<suru>5<byou><mae>
(
input:
"\u004D\u0061\u006A\u0069\u3067\u004B\u006F\u0069\u3059" &
"\u308B\u0035\u79D2\u524D",
output:
"MajiKoi5-783gue6qz075azm5e"
),
# (Q) <pafii>de<runba>
(
input:
"\u30D1\u30D5\u30A3\u30FC\u0064\u0065\u30EB\u30F3\u30D0",
output:
"de-jg4avhby1noc0d"
),
# (R) <sono><supiido><de>
(
input:
"\u305D\u306E\u30B9\u30D4\u30FC\u30C9\u3067",
output:
"d9juau41awczczp"
),
# (S) -> $1.00 <-
(
input:
"\u002D\u003E\u0020\u0024\u0031\u002E\u0030\u0030\u0020" &
"\u003C\u002D",
output:
"-> $1.00 <--"
)
]
block encodeTests:
for (uni, puny) in punycode_testcases:
# Need to convert both strings to lower case, since
# some of the extended encodings use upper case, but our
# code produces only lower case. Converting just puny to
# lower is also insufficient, since some of the input characters
# are upper case.
doAssert encode(uni).toLower() == puny.toLower()
block decodeTests:
for (uni, puny) in punycode_testcases:
doAssert decode(puny) == uni
block decodeInvalidTest:
doAssertRaises(PunyError): discard decode("xn--w&")
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