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// Copyright 2013 Simon Sapin.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use idna::punycode::{decode, encode_str};
use rustc_serialize::json::{Json, Object};
use test::TestFn;
fn one_test(decoded: &str, encoded: &str) {
match decode(encoded) {
None => panic!("Decoding {} failed.", encoded),
Some(result) => {
let result = result.into_iter().collect::<String>();
assert!(result == decoded,
format!("Incorrect decoding of \"{}\":\n \"{}\"\n!= \"{}\"\n",
encoded, result, decoded))
}
}
match encode_str(decoded) {
None => panic!("Encoding {} failed.", decoded),
Some(result) => {
assert!(result == encoded,
format!("Incorrect encoding of \"{}\":\n \"{}\"\n!= \"{}\"\n",
decoded, result, encoded))
}
}
}
fn get_string<'a>(map: &'a Object, key: &str) -> &'a str {
match map.get(&key.to_string()) {
Some(&Json::String(ref s)) => s,
None => "",
_ => panic!(),
}
}
pub fn collect_tests<F: FnMut(String, TestFn)>(add_test: &mut F) {
match Json::from_str(include_str!("punycode_tests.json")) {
Ok(Json::Array(tests)) => for (i, test) in tests.into_iter().enumerate() {
match test {
Json::Object(o) => {
let test_name = {
let desc = get_string(&o, "description");
if desc.is_empty() {
format!("Punycode {}", i + 1)
} else {
format!("Punycode {}: {}", i + 1, desc)
}
};
add_test(test_name, TestFn::dyn_test_fn(move || one_test(
get_string(&o, "decoded"),
get_string(&o, "encoded"),
)))
}
_ => panic!(),
}
},
other => panic!("{:?}", other)
}
}
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