Vendor things

third-party/vendor/idna/tests/punycode.rs

@@ -0,0 +1,114 @@
+// Copyright 2013 The rust-url developers.
+//
+// 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 crate::test::TestFn;
+use idna::punycode::{decode, encode_str};
+use serde_json::map::Map;
+use serde_json::Value;
+use std::panic::catch_unwind;
+use std::str::FromStr;
+
+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,
+                "Incorrect decoding of \"{}\":\n   \"{}\"\n!= \"{}\"\n",
+                encoded,
+                result,
+                decoded
+            )
+        }
+    }
+
+    match encode_str(decoded) {
+        None => panic!("Encoding {} failed.", decoded),
+        Some(result) => assert!(
+            result == encoded,
+            "Incorrect encoding of \"{}\":\n   \"{}\"\n!= \"{}\"\n",
+            decoded,
+            result,
+            encoded
+        ),
+    }
+}
+
+fn one_bad_test(encode: &str) {
+    let result = catch_unwind(|| encode_str(encode));
+    assert!(
+        matches!(&result, Ok(None)),
+        "Should neither panic nor return Some result, but got {:?}",
+        result
+    )
+}
+
+fn get_string<'a>(map: &'a Map<String, Value>, key: &str) -> &'a str {
+    match map.get(&key.to_string()) {
+        Some(Value::String(s)) => s,
+        None => "",
+        _ => panic!(),
+    }
+}
+
+pub fn collect_tests<F: FnMut(String, TestFn)>(add_test: &mut F) {
+    match Value::from_str(include_str!("punycode_tests.json")) {
+        Ok(Value::Array(tests)) => {
+            for (i, test) in tests.into_iter().enumerate() {
+                match test {
+                    Value::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::DynTestFn(Box::new(move || {
+                                one_test(get_string(&o, "decoded"), get_string(&o, "encoded"))
+                            })),
+                        )
+                    }
+                    _ => panic!(),
+                }
+            }
+        }
+        other => panic!("{:?}", other),
+    }
+
+    match Value::from_str(include_str!("bad_punycode_tests.json")) {
+        Ok(Value::Array(tests)) => {
+            for (i, test) in tests.into_iter().enumerate() {
+                match test {
+                    Value::Object(o) => {
+                        let test_name = {
+                            let desc = get_string(&o, "description");
+                            if desc.is_empty() {
+                                format!("Bad Punycode {}", i + 1)
+                            } else {
+                                format!("Bad Punycode {}: {}", i + 1, desc)
+                            }
+                        };
+                        add_test(
+                            test_name,
+                            TestFn::DynTestFn(Box::new(move || {
+                                one_bad_test(get_string(&o, "decoded"))
+                            })),
+                        )
+                    }
+                    _ => panic!(),
+                }
+            }
+        }
+        other => panic!("{:?}", other),
+    }
+}