fix: await Redis EXISTS call in RedisAdapter.hasKey()

.changeset/redis-haskey-missing-await.md

@@ -0,0 +1,5 @@
+---
+"nostream": patch
+---
+
+fix: await Redis EXISTS call in RedisAdapter.hasKey() so it reflects actual key presence instead of always returning true

src/adapters/redis-adapter.ts

@@ -52,7 +52,7 @@ export class RedisAdapter implements ICacheAdapter {
   public async hasKey(key: string): Promise<boolean> {
     await this.connection
     logger('has %s key', key)
-    return Boolean(this.client.exists(key))
+    return (await this.client.exists(key)) > 0
   }
 
   public async getKey(key: string): Promise<string> {

test/unit/adapters/redis-adapter.spec.ts

@@ -76,7 +76,7 @@ describe('RedisAdapter', () => {
 
   describe('hasKey', () => {
     it('awaits connection and calls client.exists with the key', async () => {
-      client.exists.returns(1)
+      client.exists.resolves(1)
 
       const result = await adapter.hasKey('test-key')
 
@@ -85,7 +85,7 @@ describe('RedisAdapter', () => {
     })
 
     it('returns false when key does not exist', async () => {
-      client.exists.returns(0)
+      client.exists.resolves(0)
 
       const result = await adapter.hasKey('missing-key')