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-- Rspamd resolver Lua tests
context("Check punycoding UTF-8 URL", function()
local rspamd_resolver = require "rspamd_resolver"
local rspamd_util = require "rspamd_util"
local resolver = rspamd_resolver.init(rspamd_util.create_event_base(), rspamd_config)
-- Helper function to detect IDNA behavior by testing a known conversion
local function detect_idna_behavior()
-- Use faß.de as a test case - different results in IDNA2003 vs IDNA2008
local test_result = resolver:idna_convert_utf8('faß.de')
if test_result == 'fass.de' then
return 'transitional' -- IDNA2003/transitional behavior
elseif test_result == 'xn--fa-hia.de' then
return 'nontransitional' -- IDNA2008/nontransitional behavior
else
return 'unknown'
end
end
local idna_behavior = detect_idna_behavior()
-- Define test cases with both expected results
local cases_transitional = {
-- IDNA2003/transitional results (ICU < 76 default)
['faß.de'] = 'fass.de',
['βόλος.com'] = 'xn--nxasmq6b.com',
['نامهای.com'] = 'xn--mgba3gch31f.com',
['ශ්රී.com'] = 'xn--10cl1a0b.com',
['日本語。ＪＰ'] = 'xn--wgv71a119e.jp',
['☕.us'] = 'xn--53h.us',
['example.рф'] = 'example.xn--p1ai',
}
local cases_nontransitional = {
-- IDNA2008/nontransitional results (ICU >= 76 default)
['faß.de'] = 'xn--fa-hia.de',
['βόλος.com'] = 'xn--nxasmm1c.com',
['نامهای.com'] = 'xn--mgba3gch31f060k.com',
['ශ්රී.com'] = 'xn--10cl1a0b660p.com',
['日本語。ＪＰ'] = 'xn--wgv71a119e.jp',
['☕.us'] = 'xn--53h.us',
['example.рф'] = 'example.xn--p1ai',
}
-- Choose appropriate test cases based on detected behavior
local cases
if idna_behavior == 'transitional' then
cases = cases_transitional
print("Detected IDNA transitional behavior (ICU < 76 or configured for IDNA2003)")
elseif idna_behavior == 'nontransitional' then
cases = cases_nontransitional
print("Detected IDNA nontransitional behavior (ICU >= 76 default)")
else
error("Could not detect IDNA behavior - unexpected result for test case")
end
for k, v in pairs(cases) do
test(string.format("punycode %s -> %s (%s)", k, v, idna_behavior), function()
local res = resolver:idna_convert_utf8(k)
assert_equal(res, v)
end)
end
end)
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