fix(rustdb-storage): return empty collection list for missing databases

changelog.md

@@ -2,6 +2,14 @@
 
 ## Pending
 
+### Fixes
+
+- return an empty collection list when `listCollections` is called for a database that does not exist yet
+- update release tooling dependencies
+- return empty collection list for missing databases (rustdb-storage)
+  - Return an empty collection list from file and memory storage backends when listing collections for a database that does not exist yet.
+  - Add a local smartdb regression test for listCollections on a missing database.
+  - Update release tooling development dependencies.
 
 ## 2026-05-20 - 2.10.1
 

package.json

@@ -18,12 +18,12 @@
     "buildDocs": "tsdoc"
   },
   "devDependencies": {
-    "@git.zone/tsbuild": "^4.4.0",
+    "@git.zone/tsbuild": "^4.4.2",
-    "@git.zone/tsbundle": "^2.10.0",
+    "@git.zone/tsbundle": "^2.10.4",
-    "@git.zone/tsrun": "^2.0.2",
+    "@git.zone/tsrun": "^2.0.4",
-    "@git.zone/tsrust": "^1.3.2",
+    "@git.zone/tsrust": "^1.3.4",
-    "@git.zone/tstest": "^3.6.1",
+    "@git.zone/tstest": "^3.6.6",
-    "@types/node": "^25.5.0",
+    "@types/node": "^25.9.1",
     "mongodb": "^7.1.1"
   },
   "dependencies": {

rust/crates/rustdb-storage/src/file.rs

@@ -473,7 +473,7 @@ impl FileStorageAdapter {
     fn list_collection_dirs(&self, db: &str) -> StorageResult<Vec<String>> {
         let db_dir = self.db_dir(db);
         if !db_dir.exists() {
-            return Err(StorageError::NotFound(format!("database '{db}'")));
+            return Ok(Vec::new());
         }
         let mut colls = Vec::new();
         let entries = std::fs::read_dir(&db_dir)?;

rust/crates/rustdb-storage/src/memory.rs

@@ -129,10 +129,9 @@ impl StorageAdapter for MemoryStorageAdapter {
     // ---- collection ----
 
     async fn list_collections(&self, db: &str) -> StorageResult<Vec<String>> {
-        let db_ref = self
+        let Some(db_ref) = self.data.get(db) else {
-            .data
+            return Ok(Vec::new());
-            .get(db)
+        };
-            .ok_or_else(|| StorageError::NotFound(format!("database '{db}'")))?;
         Ok(db_ref.iter().map(|e| e.key().clone()).collect())
     }
 

test/test.localsmartdb.ts

@@ -50,6 +50,12 @@ tap.test('localsmartdb: should connect via returned connectionUri', async () =>
   expect(db).toBeTruthy();
 });
 
+tap.test('localsmartdb: listCollections should be empty for missing database', async () => {
+  const missingDb = client.db('missingdb');
+  const collections = await missingDb.collections();
+  expect(collections).toEqual([]);
+});
+
 tap.test('localsmartdb: should reject double start', async () => {
   let threw = false;
   try {