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use serde::{Serialize, Deserialize};
use crate::{
Template,
};
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum Parameter {
String(String),
Int(i64),
Float(f64),
Template(Template),
Bool(bool),
List(Vec<Parameter>)
}
impl Parameter {
#[allow(dead_code)]
pub fn string(string: &str) -> Self {
Self::String(string.to_string())
}
}
#[cfg(test)]
mod tests {
use super::*;
use serde_json::json;
macro_rules! gfj { // guess from json
($($j:tt)*) => {Parameter::deserialize(&json!($($j)*)).unwrap()}
}
#[test]
fn can_guess_json() {
Parameter::deserialize(&json!(3)).unwrap();
}
#[test]
fn guess_json() {
assert_eq!(gfj!("charles"), Parameter::string("charles"));
assert_eq!(gfj!("1"), Parameter::string("1"));
assert_eq!(gfj!(""), Parameter::string(""));
assert_eq!(gfj!(3), Parameter::Int(3));
assert_eq!(gfj!(-3), Parameter::Int(-3));
assert_eq!(gfj!(0), Parameter::Int(0));
assert_eq!(gfj!(-0), Parameter::Int(0));
assert_eq!(gfj!(3.5), Parameter::Float(3.5));
assert_eq!(gfj!(3.0), Parameter::Float(3.0));
assert_eq!(gfj!(-3.0), Parameter::Float(-3.0));
assert_eq!(gfj!(0.0), Parameter::Float(0.0));
assert_eq!(gfj!(-0.0), Parameter::Float(0.0));
assert_eq!(gfj!(true), Parameter::Bool(true));
assert_eq!(gfj!(["int", 3]), Parameter::List(vec![Parameter::string("int"), Parameter::Int(3)]));
assert_eq!(gfj!([2, 5]), Parameter::List(vec![Parameter::Int(2), Parameter::Int(5)]));
}
#[test]
fn guess_json_none() {
assert!(Parameter::deserialize(&json!({"hello": "world"})).is_err());
}
#[test]
fn parse_list() {
assert_eq!(
gfj!([5, 3, 1, 2]),
Parameter::List(vec![
Parameter::Int(5),
Parameter::Int(3),
Parameter::Int(1),
Parameter::Int(2)
])
);
assert_eq!(
gfj!([5, 3.0, "Hello", true]),
Parameter::List(vec![
Parameter::Int(5),
Parameter::Float(3.0),
Parameter::string("Hello"),
Parameter::Bool(true)
])
);
}
}
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