serde_with 2.2.0

#![allow(
    // clippy is broken and shows wrong warnings
    // clippy on stable does not know yet about the lint name
    unknown_lints,
    // https://github.com/rust-lang/rust-clippy/issues/8867
    clippy::derive_partial_eq_without_eq,
)]

mod utils;

use crate::utils::is_equal;
use expect_test::expect;
use serde::{Deserialize, Serialize};
use serde_with::{json::JsonString, serde_as, DisplayFromStr};
use std::collections::BTreeMap;

#[test]
fn test_jsonstring() {
    #[serde_as]
    #[derive(Debug, Serialize, Deserialize, PartialEq)]
    struct Struct {
        #[serde_as(as = "JsonString")]
        value: Nested,
    }

    #[serde_as]
    #[derive(Debug, Serialize, Deserialize, PartialEq)]
    struct Nested {
        #[serde_as(as = "DisplayFromStr")]
        value: u32,
    }

    is_equal(
        Struct {
            value: Nested { value: 444 },
        },
        expect![[r#"
            {
              "value": "{\"value\":\"444\"}"
            }"#]],
    );
}

#[test]
fn test_jsonstring_nested() {
    #[serde_as]
    #[derive(Debug, Serialize, Deserialize, PartialEq)]
    struct Struct {
        #[serde_as(as = "JsonString<Vec<(JsonString, _)>>")]
        value: BTreeMap<[u8; 2], u32>,
    }

    is_equal(
        Struct {
            value: BTreeMap::from([([1, 2], 3), ([4, 5], 6)]),
        },
        expect![[r#"
            {
              "value": "[[\"[1,2]\",3],[\"[4,5]\",6]]"
            }"#]],
    );
}