codama_nodes/value_nodes/
struct_value_node.rs

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use crate::StructFieldValueNode;
use codama_nodes_derive::node;

#[node]
pub struct StructValueNode {
    // Children.
    pub fields: Vec<StructFieldValueNode>,
}

impl From<StructValueNode> for crate::Node {
    fn from(val: StructValueNode) -> Self {
        crate::Node::Value(val.into())
    }
}

impl StructValueNode {
    pub fn new(fields: Vec<StructFieldValueNode>) -> Self {
        Self { fields }
    }
}

impl From<Vec<StructFieldValueNode>> for StructValueNode {
    fn from(items: Vec<StructFieldValueNode>) -> Self {
        Self::new(items)
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::{NumberValueNode, StringValueNode, ValueNode};

    #[test]
    fn new() {
        let node = StructValueNode::new(vec![
            StructFieldValueNode::new("name", StringValueNode::new("Alice")),
            StructFieldValueNode::new("age", NumberValueNode::new(42)),
        ]);
        assert_eq!(
            node.fields,
            vec![
                StructFieldValueNode::new("name", ValueNode::String(StringValueNode::new("Alice"))),
                StructFieldValueNode::new("age", ValueNode::Number(NumberValueNode::new(42))),
            ]
        );
    }

    #[test]
    fn from_vec() {
        let node: StructValueNode = vec![
            StructFieldValueNode::new("name", StringValueNode::new("Alice")),
            StructFieldValueNode::new("age", NumberValueNode::new(42)),
        ]
        .into();
        assert_eq!(
            node.fields,
            vec![
                StructFieldValueNode::new("name", ValueNode::String(StringValueNode::new("Alice"))),
                StructFieldValueNode::new("age", ValueNode::Number(NumberValueNode::new(42))),
            ]
        );
    }

    #[test]
    fn to_json() {
        let node = StructValueNode::new(vec![StructFieldValueNode::new(
            "answer",
            NumberValueNode::new(42),
        )]);
        let json = serde_json::to_string(&node).unwrap();
        assert_eq!(
            json,
            r#"{"kind":"structValueNode","fields":[{"kind":"structFieldValueNode","name":"answer","value":{"kind":"numberValueNode","number":42}}]}"#
        );
    }

    #[test]
    fn from_json() {
        let json = r#"{"kind":"structValueNode","fields":[{"kind":"structFieldValueNode","name":"answer","value":{"kind":"numberValueNode","number":42}}]}"#;
        let node: StructValueNode = serde_json::from_str(json).unwrap();
        assert_eq!(
            node,
            StructValueNode::new(vec![StructFieldValueNode::new(
                "answer",
                NumberValueNode::new(42u32),
            )])
        );
    }
}