opensearch-client 0.3.1

Strongly typed OpenSearch Client
Documentation 
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/*
 * opensearch-client
 *
 * Rust Client for OpenSearch
 *
 * The version of the OpenAPI document: 3.1.0
 * Contact: alberto.paro@gmail.com
 * Generated by Paro OpenAPI Generator
 */

use serde::{Deserialize, Serialize};

#[derive(Clone, Debug, Eq, PartialEq, Hash, Serialize, Deserialize)]
#[serde(untagged)]
pub enum ArrayOrJson {
    ArrayValue(Vec<serde_json::Value>),
    SingleValue(serde_json::Value),
}

impl std::fmt::Display for ArrayOrJson {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        match self {
            ArrayOrJson::SingleValue(s) => write!(f, "{}", s),
            ArrayOrJson::ArrayValue(v) => write!(
                f,
                "{}",
                v.iter()
                    .map(|x| x.to_string())
                    .collect::<Vec<String>>()
                    .join(", ")
            ),
        }
    }
}

impl ArrayOrJson {
    pub fn as_vec(&self) -> Vec<serde_json::Value> {
        match self {
            ArrayOrJson::SingleValue(s) => vec![s.clone()],
            ArrayOrJson::ArrayValue(v) => v.clone(),
        }
    }
}

impl Default for ArrayOrJson {
    fn default() -> Self {
        ArrayOrJson::ArrayValue(Vec::new())
    }
}

// Allow constructing ArrayOrJson from serde_json::Value
impl From<serde_json::Value> for ArrayOrJson {
    fn from(s: serde_json::Value) -> Self {
        ArrayOrJson::SingleValue(s)
    }
}

// Allow constructing ArrayOrJson from Vec<serde_json::Value>
impl From<Vec<serde_json::Value>> for ArrayOrJson {
    fn from(v: Vec<serde_json::Value>) -> Self {
        ArrayOrJson::ArrayValue(v)
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use serde_json::{from_str, json, to_string};
    #[derive(Debug, Deserialize, Serialize, Default)]
    struct WaitWrapper {
        #[serde(default)]
        wait: ArrayOrJson,
    }

    #[test]
    fn test_deserialize_number() {
        let json = r#"{"wait": {"name":"0"}}"#;
        let obj: WaitWrapper = from_str(json).unwrap();
        assert_eq!(obj.wait, ArrayOrJson::SingleValue(json!({"name": "0"})));
    }

    #[test]
    fn test_deserialize_string() {
        let json = r#"{"wait": []}"#;
        let obj: WaitWrapper = from_str(json).unwrap();
        assert_eq!(obj.wait, ArrayOrJson::ArrayValue(Vec::new()));
    }

    #[test]
    fn test_default_value() {
        let json = r#"{}"#;
        let obj: WaitWrapper = from_str(json).unwrap();
        assert_eq!(obj.wait, ArrayOrJson::default());
    }

    #[test]
    fn test_from_conversions() {
        let a: ArrayOrJson = json!({"name": "0"}).into();
        let b: ArrayOrJson = vec![json!({"name": "0"})].into();
        assert_eq!(a, ArrayOrJson::SingleValue(json!({"name": "0"})));
        assert_eq!(b, ArrayOrJson::ArrayValue(vec![json!({"name": "0"})]));
    }

    #[test]
    fn test_serialization() {
        let a = WaitWrapper {
            wait: json!({"name": "0"}).into(),
        };
        let b = WaitWrapper {
            wait: vec![json!({"name": "0"})].into(),
        };
        assert_eq!(to_string(&a).unwrap(), r#"{"wait":{"name":"0"}}"#);
        assert_eq!(to_string(&b).unwrap(), r#"{"wait":[{"name":"0"}]}"#);
    }
}