roadster 0.9.0-alpha.6

A "Batteries Included" web framework for rust designed to get you moving fast.
Documentation 
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use crate::app::context::AppContext;
use crate::service::http::middleware::Middleware;
use axum::Router;
use axum::http::StatusCode;
use axum_core::extract::FromRef;
use serde_derive::{Deserialize, Serialize};
use serde_with::serde_as;
use std::time::Duration;
use tower_http::timeout::TimeoutLayer;
use validator::Validate;

#[serde_as]
#[derive(Debug, Clone, Validate, Serialize, Deserialize)]
#[serde(rename_all = "kebab-case")]
#[non_exhaustive]
pub struct TimeoutConfig {
    #[serde_as(as = "serde_with::DurationMilliSeconds")]
    pub timeout: Duration,
    #[serde(with = "http_serde::status_code")]
    pub status_code: StatusCode,
}

pub struct TimeoutMiddleware;
impl<S> Middleware<S> for TimeoutMiddleware
where
    S: 'static + Send + Sync + Clone,
    AppContext: FromRef<S>,
{
    type Error = crate::error::Error;

    fn name(&self) -> String {
        "timeout".to_string()
    }

    fn enabled(&self, state: &S) -> bool {
        AppContext::from_ref(state)
            .config()
            .service
            .http
            .custom
            .middleware
            .timeout
            .common
            .enabled(state)
    }

    fn priority(&self, state: &S) -> i32 {
        AppContext::from_ref(state)
            .config()
            .service
            .http
            .custom
            .middleware
            .timeout
            .common
            .priority
    }

    fn install(&self, state: &S, router: Router) -> Result<Router, Self::Error> {
        let context = AppContext::from_ref(state);
        let config = &context
            .config()
            .service
            .http
            .custom
            .middleware
            .timeout
            .custom;

        let status_code = config.status_code;
        let timeout = config.timeout;

        let router = router.layer(TimeoutLayer::with_status_code(status_code, timeout));

        Ok(router)
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::config::AppConfig;
    use rstest::rstest;

    #[rstest]
    #[case(false, Some(true), true)]
    #[case(false, Some(false), false)]
    #[cfg_attr(coverage_nightly, coverage(off))]
    fn timeout_enabled(
        #[case] default_enable: bool,
        #[case] enable: Option<bool>,
        #[case] expected_enabled: bool,
    ) {
        // Arrange
        let mut config = AppConfig::test(None).unwrap();
        config.service.http.custom.middleware.default_enable = default_enable;
        config.service.http.custom.middleware.timeout.common.enable = enable;

        let context = AppContext::test(Some(config), None, None).unwrap();

        let middleware = TimeoutMiddleware;

        // Act/Assert
        assert_eq!(middleware.enabled(&context), expected_enabled);
    }

    #[rstest]
    #[case(None, 0)]
    #[case(Some(1234), 1234)]
    #[cfg_attr(coverage_nightly, coverage(off))]
    fn timeout_priority(#[case] override_priority: Option<i32>, #[case] expected_priority: i32) {
        // Arrange
        let mut config = AppConfig::test(None).unwrap();
        if let Some(priority) = override_priority {
            config
                .service
                .http
                .custom
                .middleware
                .timeout
                .common
                .priority = priority;
        }

        let context = AppContext::test(Some(config), None, None).unwrap();

        let middleware = TimeoutMiddleware;

        // Act/Assert
        assert_eq!(middleware.priority(&context), expected_priority);
    }
}