cadmpeg-ir 0.6.1

CAD data model, validation, diffing, and codec API for cadmpeg.
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// SPDX-License-Identifier: Apache-2.0

use crate::geometry::RollingBallSupportCurve;
use serde::{Deserialize, Serialize};
use serde_json::json;

#[derive(Debug, PartialEq, Serialize, Deserialize)]
struct SecondaryCurveWire {
    #[serde(
        default,
        skip_serializing_if = "Option::is_none",
        deserialize_with = "deserialize_secondary_curve"
    )]
    secondary_curve: Option<RollingBallSupportCurve>,
}

#[test]
fn the_secondary_curve_carries_its_own_bounds() {
    for wire in [
        json!({}),
        json!({"secondary_curve": {
            "curve": "test:model:curve#secondary",
            "parameter_range": [2.0, null]
        }}),
        json!({"secondary_curve": {
            "curve": "test:model:curve#secondary",
            "parameter_range": [null, 4.0]
        }}),
    ] {
        let decoded: SecondaryCurveWire = serde_json::from_value(wire.clone()).unwrap();
        assert_eq!(serde_json::to_value(decoded).unwrap(), wire);
    }
}

#[test]
fn secondary_bounds_without_a_curve_have_no_encoding() {
    let error = serde_json::from_value::<SecondaryCurveWire>(json!({
        "secondary_range": [2.0, null]
    }))
    .unwrap();
    assert!(error.secondary_curve.is_none());

    let error = serde_json::from_value::<SecondaryCurveWire>(json!({
        "secondary_curve": {"parameter_range": [2.0, null]}
    }))
    .unwrap_err()
    .to_string();
    assert!(error.contains("curve"), "{error}");
}

// Each optional key below names itself in whatever it refuses.
cadmpeg_core::named_optional_field!(
    deserialize_secondary_curve,
    RollingBallSupportCurve,
    "secondary_curve"
);