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use schemars::JsonSchema;
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct Event {
#[serde(rename = "type")]
pub ty: String,
pub attributes: Vec<Attribute>,
}
impl Event {
pub fn new(ty: impl Into<String>) -> Self {
Event {
ty: ty.into(),
attributes: Vec::with_capacity(10),
}
}
pub fn attr(mut self, key: impl Into<String>, value: impl Into<String>) -> Self {
self.attributes.push(Attribute {
key: key.into(),
value: value.into(),
});
self
}
}
#[derive(Serialize, Deserialize, Clone, Default, Debug, PartialEq, JsonSchema)]
pub struct Attribute {
pub key: String,
pub value: String,
}
impl Attribute {
pub fn new(key: impl Into<String>, value: impl Into<String>) -> Self {
let key = key.into();
#[cfg(debug_assertions)]
if key.starts_with('_') {
panic!(
"attribute key `{}` is invalid - keys starting with an underscore are reserved",
key
);
}
Self {
key,
value: value.into(),
}
}
}
#[inline]
pub fn attr(key: impl Into<String>, value: impl Into<String>) -> Attribute {
Attribute::new(key, value)
}
#[cfg(test)]
mod tests {
use super::*;
use crate::Uint128;
#[test]
fn event_construction() {
let event_direct = Event {
ty: "test".to_string(),
attributes: vec![attr("foo", "bar"), attr("bar", "baz")],
};
let event_builder = Event::new("test").attr("foo", "bar").attr("bar", "baz");
assert_eq!(event_direct, event_builder);
}
#[test]
#[should_panic]
fn attribute_new_reserved_key_panicks() {
Attribute::new("_invalid", "value");
}
#[test]
#[should_panic]
fn attribute_new_reserved_key_panicks2() {
Attribute::new("_", "value");
}
#[test]
fn attr_works_for_different_types() {
let expected = Attribute {
key: "foo".to_string(),
value: "42".to_string(),
};
assert_eq!(attr("foo", "42"), expected);
assert_eq!(attr("foo".to_string(), "42"), expected);
assert_eq!(attr("foo", "42".to_string()), expected);
assert_eq!(attr("foo", Uint128::new(42)), expected);
assert_eq!(attr("foo", 42.to_string()), expected);
}
}