diff --git a/packages/backend/native-utils/package.json b/packages/backend/native-utils/package.json
index 1503bca19d..029372548a 100644
--- a/packages/backend/native-utils/package.json
+++ b/packages/backend/native-utils/package.json
@@ -41,7 +41,7 @@
     "universal": "napi universal",
     "version": "napi version",
 		"format": "cargo fmt",
-    "cargo:unit": "cargo test unit_test",
-    "cargo:integration": "cargo test --no-default-features -F noarray int_test -- --test-threads=1"
+    "cargo:unit": "cargo test unit_test && cargo test -F napi unit_test",
+    "cargo:integration": "cargo test -F noarray int_test -- --test-threads=1"
   }
 }
diff --git a/packages/backend/native-utils/src/model/schema/antenna.rs b/packages/backend/native-utils/src/model/schema/antenna.rs
index 00f1216ac1..4ec1e07946 100644
--- a/packages/backend/native-utils/src/model/schema/antenna.rs
+++ b/packages/backend/native-utils/src/model/schema/antenna.rs
@@ -142,7 +142,7 @@ mod unit_test {
     #[test]
     fn antenna_valid() {
         let instance = json!({
-            "id": "9f4x0bkx1u",
+            "id": "9fil64s6g7cskdrb",
             "createdAt": "2023-05-24T06:56:14.323Z",
             "name": "Valid Antenna",
             "keywords": [["first", "keyword"], ["second"]],
@@ -150,7 +150,7 @@ mod unit_test {
             "src": "users",
             // "userListId" and "userGroupId" can be null or be omitted
             "userListId": null,
-            "users": ["9f4yjw6m13", "9f4yk2cp6d"],
+            "users": ["9fil64s6g7cskdrb", "9fil66brl1udxau2"],
             "instances": [],
             // "caseSensitive", "notify", "withReplies", "withFile", and
             // "hasUnreadNote" are false if ommited
@@ -175,14 +175,14 @@ mod unit_test {
             "keywords": "invalid keyword",
             // "excludeKeywords" is required
             "excludeKeywords": null,
-            // "src" should be one of "home", "all", "users", "list", "group", and
+            // "src" must be one of "home", "all", "users", "list", "group", and
             // "instances"
             "src": "invalid_src",
             // "userListId" is string
             "userListId": ["9f4ziiqfxw"],
             // "users" must be an array of strings
-            "users": [1, "9f4ykyuza6"],
-            "instances": ["9f4ykyuybo"],
+            "users": [1, "9fil64s6g7cskdrb"],
+            "instances": ["9fil65jzhtjpi3xn"],
             // "caseSensitive" is boolean
             "caseSensitive": 0,
             "notify": true,
diff --git a/packages/backend/native-utils/src/model/schema/app.rs b/packages/backend/native-utils/src/model/schema/app.rs
index f24c1387be..682b82ec07 100644
--- a/packages/backend/native-utils/src/model/schema/app.rs
+++ b/packages/backend/native-utils/src/model/schema/app.rs
@@ -95,13 +95,53 @@ pub static VALIDATOR: Lazy<JSONSchema> = Lazy::new(|| App::validator());
 
 #[cfg(test)]
 mod unit_test {
+    use pretty_assertions::assert_eq;
+    use serde_json::json;
+
+    use crate::util::id::{create_id, init_id};
+    use crate::util::random::gen_string;
+
+    use super::VALIDATOR;
+
     #[test]
-    fn valid() {
-        todo!();
+    fn app_valid() {
+        init_id(12, "");
+        let instance = json!({
+            "id": create_id().unwrap(),
+            "name": "Test App",
+            "secret": gen_string(24),
+            "callbackUrl": "urn:ietf:wg:oauth:2.0:oob",
+            "permission": ["read:account", "write:account", "read:notes"],
+        });
+
+        assert!(VALIDATOR.is_valid(&instance));
     }
 
     #[test]
-    fn invalid() {
-        todo!();
+    fn app_invalid() {
+        init_id(12, "");
+        let instance = json!({
+            "id": create_id().unwrap(),
+            // "name" is required
+            "name": null,
+            // "permission" must be one of the app permissions
+            "permission": ["write:invalid_perm", "write:notes"],
+            // "secret" is a nullable string
+            "secret": 123,
+            // "is_authorized" is a nullable boolean
+            "isAuthorized": "true-ish",
+        });
+        let result = VALIDATOR
+            .validate(&instance)
+            .expect_err("validation must fail");
+        let mut paths: Vec<String> = result
+            .map(|e| e.instance_path.to_string())
+            .filter(|e| !e.is_empty())
+            .collect();
+        paths.sort();
+        assert_eq!(
+            paths,
+            vec!["/isAuthorized", "/name", "/permission/0", "/secret"]
+        );
     }
 }
diff --git a/packages/backend/native-utils/src/util/id.rs b/packages/backend/native-utils/src/util/id.rs
index b17b112d74..d922518f9d 100644
--- a/packages/backend/native-utils/src/util/id.rs
+++ b/packages/backend/native-utils/src/util/id.rs
@@ -72,9 +72,9 @@ mod unit_test {
 
             #[test]
             fn can_generate_aid_compat_ids() {
-                id::native_init_id_generator(16, "".to_string());
+                id::native_init_id_generator(20, "".to_string());
                 let id1 = id::native_create_id(Utc::now().timestamp_millis().into());
-                assert_eq!(id1.len(), 16);
+                assert_eq!(id1.len(), 20);
                 let id1 = id::native_create_id(Utc::now().timestamp_millis().into());
                 let id2 = id::native_create_id(Utc::now().timestamp_millis().into());
                 assert_ne!(id1, id2);