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use std::{fmt, ops::Deref, str::FromStr};
use serde::{de::Error as _, Deserialize, Deserializer, Serialize};
use super::{validate_name, Error};
#[derive(Debug, Clone, Hash, PartialEq, Eq, PartialOrd, Ord, Serialize)]
#[repr(transparent)]
#[serde(transparent)]
pub struct HoardName(String);
impl FromStr for HoardName {
type Err = Error;
#[tracing::instrument(level = "trace", name = "parse_hoard_name")]
fn from_str(s: &str) -> Result<Self, Self::Err> {
validate_name(s.to_string()).map(Self)
}
}
impl AsRef<str> for HoardName {
fn as_ref(&self) -> &str {
&self.0
}
}
impl Deref for HoardName {
type Target = str;
fn deref(&self) -> &Self::Target {
self.0.as_str()
}
}
impl fmt::Display for HoardName {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.deref().fmt(f)
}
}
impl<'de> Deserialize<'de> for HoardName {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
let inner = String::deserialize(deserializer)?;
inner.parse().map_err(D::Error::custom)
}
}
#[cfg(test)]
mod tests {
use serde_test::{assert_tokens, Token};
use super::*;
#[test]
fn test_from_str() {
let inputs = [
(
String::from(""),
Err(Error::DisallowedName(String::from(""))),
),
(
String::from("config"),
Err(Error::DisallowedName(String::from("config"))),
),
(
String::from("bad name"),
Err(Error::DisallowedCharacters(String::from("bad name"))),
),
(String::from("valid"), Ok(HoardName(String::from("valid")))),
];
for (s, expected) in inputs {
let result = s.parse::<HoardName>();
match (&result, &expected) {
(Ok(name), Err(err)) => panic!("expected error {:?}, got success {:?}", err, name),
(Err(err), Ok(name)) => panic!("expected success {:?}, got error {:?}", name, err),
(Ok(name), Ok(expected)) => {
assert_eq!(name, expected, "expected {} but got {}", expected, name);
}
(Err(err), Err(expected)) => {
assert_eq!(err, expected, "expected {:?} but got {:?}", expected, err);
}
}
}
}
#[test]
#[allow(clippy::explicit_deref_methods)]
fn test_as_ref_and_deref() {
let s = "testing";
let name: HoardName = s.parse().unwrap();
assert_eq!(s, name.as_ref());
assert_eq!(s, name.deref());
}
#[test]
fn test_to_string() {
let s = "testing";
let name: HoardName = s.parse().unwrap();
assert_eq!(s, name.to_string());
}
#[test]
fn test_serde() {
let name: HoardName = "testing".parse().unwrap();
assert_tokens(&name, &[Token::Str("testing")]);
}
}