fix(unstable): kv watch should stop when db is closed (#21665)

Fixes #21634.

1 files changed, 20 insertions, 0 deletions

diff --git a/cli/tests/unit/kv_test.ts b/cli/tests/unit/kv_test.ts
index 28c913f21..4963882e1 100644
--- a/cli/tests/unit/kv_test.ts
+++ b/cli/tests/unit/kv_test.ts
@@ -2248,3 +2248,23 @@ dbTest("set with key versionstamp suffix", async (db) => {
     "expected string, number, bigint, ArrayBufferView, boolean",
   );
 });
+
+Deno.test({
+  name: "watch should stop when db closed",
+  async fn() {
+    const db = await Deno.openKv(":memory:");
+
+    const watch = db.watch([["a"]]);
+    const completion = (async () => {
+      for await (const _item of watch) {
+        // pass
+      }
+    })();
+
+    setTimeout(() => {
+      db.close();
+    }, 100);
+
+    await completion;
+  },
+});