app

commit d70851bdcb5dcde1d0f88eb775d077d15a48e09d
parent 379527f69b475c6767117dadcf9893f585d1b3af
Author: triesap <triesap@radroots.dev>
Date:   Mon, 19 Jan 2026 18:38:03 +0000

app: add datastore roundtrip health check

- add health check to write/read/delete temp key
- map datastore failures into health results
- export roundtrip health check helper
- add unit test for non-wasm error mapping

Diffstat:
M
app/src/health.rs
 | 
32
++++++++++++++++++++++++++++++++
M
app/src/lib.rs
 | 
1
+

2 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/app/src/health.rs b/app/src/health.rs
@@ -110,12 +110,36 @@ pub async fn app_health_check_bootstrap_app_data<T: RadrootsClientDatastore>(
     }
 }
 
+const APP_HEALTH_TEMP_KEY: &str = "radroots.health.temp";
+
+pub async fn app_health_check_datastore_roundtrip<T: RadrootsClientDatastore>(
+    datastore: &T,
+) -> AppHealthCheckResult {
+    let value = "ok";
+    if let Err(err) = datastore.set(APP_HEALTH_TEMP_KEY, value).await {
+        return AppHealthCheckResult::error(err.to_string());
+    }
+    match datastore.get(APP_HEALTH_TEMP_KEY).await {
+        Ok(read) => {
+            if read != value {
+                return AppHealthCheckResult::error("mismatch");
+            }
+        }
+        Err(err) => return AppHealthCheckResult::error(err.to_string()),
+    }
+    if let Err(err) = datastore.del(APP_HEALTH_TEMP_KEY).await {
+        return AppHealthCheckResult::error(err.to_string());
+    }
+    AppHealthCheckResult::ok()
+}
+
 #[cfg(test)]
 mod tests {
     use super::{
         app_health_check_key_maps,
         app_health_check_bootstrap_app_data,
         app_health_check_bootstrap_config,
+        app_health_check_datastore_roundtrip,
         AppHealthCheckResult,
         AppHealthCheckStatus,
         AppHealthReport,
@@ -177,4 +201,12 @@ mod tests {
         ));
         assert_eq!(result.status, AppHealthCheckStatus::Error);
     }
+
+    #[test]
+    fn health_check_roundtrip_reports_idb_errors() {
+        let datastore = RadrootsClientWebDatastore::new(None);
+        let result =
+            futures::executor::block_on(app_health_check_datastore_roundtrip(&datastore));
+        assert_eq!(result.status, AppHealthCheckStatus::Error);
+    }
 }
diff --git a/app/src/lib.rs b/app/src/lib.rs
@@ -22,6 +22,7 @@ pub use data::{AppAppData, AppConfigData, AppConfigRole};
 pub use health::{
     app_health_check_bootstrap_app_data,
     app_health_check_bootstrap_config,
+    app_health_check_datastore_roundtrip,
     app_health_check_key_maps,
     AppHealthCheckResult,
     AppHealthCheckStatus,