57 lines
1.3 KiB
Rust
57 lines
1.3 KiB
Rust
use serde::Serialize;
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#[derive(Serialize)]
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pub struct BaseResponse<T: Serialize> {
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pub version: String,
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#[serde(flatten)]
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pub body: T, // T must be a struct (or enum?) TODO from! macro that validates T on compile time
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}
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impl<T: Serialize> BaseResponse<T> {
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pub fn new(version: impl Into<String>, body: T) -> Self {
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Self {
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version: version.into(),
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body,
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}
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}
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}
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// TODO version should reference the version in caller's Cargo.toml
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#[macro_export]
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macro_rules! from {
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($body:expr) => {
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$crate::serde::response::BaseResponse::new(env!("CARGO_PKG_VERSION"), $body)
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};
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[derive(Serialize)]
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struct Response {
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message: String,
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}
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#[test]
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fn test_base_response_new() {
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let response = BaseResponse::new(
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"",
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Response {
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message: "Hi".to_string(),
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},
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);
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assert_eq!(response.body.message, "Hi".to_string());
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}
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#[test]
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fn test_from_macro() {
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let response = from!(Response {
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message: "Hi".to_string(),
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});
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from!(1); // Should not be allowed
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assert_eq!(response.version, env!("CARGO_PKG_VERSION"));
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assert_eq!(response.body.message, "Hi".to_string());
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}
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}
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