testing alias properties of serde

serde_alias_test.rs

use std::hash::{Hash, Hasher};
use serde::Deserialize;
use serde::Serialize;
 
#[derive(Debug, Deserialize, Serialize)]
pub struct TunTun{
    pub two: MyStruct,
    // #[serde( alias = "two")]
    // pub two_1: MyStruct
}

#[derive(Debug, Deserialize, PartialEq, Eq, Hash, Serialize)]
pub struct MyStruct(u64);

impl From<u32> for MyStruct {
    fn from(value: u32) -> Self {
        MyStruct(value as u64)
    }
}

#[cfg(test)]
mod tests_1 {
    use super::*;
    use serde_json;

    #[test]
    fn test_tuntun_deserialization() {
        // Test normal deserialization
        let json = r#"{"two": 10}"#;
        let tuntun: TunTun = serde_json::from_str(json).unwrap();
        // assert_eq!(tuntun.two,  10 ); 
        assert_eq!(tuntun.two, MyStruct(10));
        // assert_eq!(tuntun.two_1, MyStruct(10));
        

        // Test deserialization with alias
        let json_with_alias = r#"{ "two": 20}"#;
        let tuntun_alias: TunTun = serde_json::from_str(json_with_alias).unwrap();
        // assert_eq!(tuntun_alias.two,  20 ); 
        assert_eq!(tuntun_alias.two,  MyStruct(20));
        // assert_eq!(tuntun_alias.two_1, MyStruct(20));
        
    }

}