update benchmarks

benchmark/lib/set-get-delete-string/ioredis.js

@@ -1,19 +1,23 @@
 import Redis from 'ioredis';
 
-const client = new Redis({ lazyConnect: true });
+export default async (host, { randomString }) => {
+    const client = new Redis({
+        host,
+        lazyConnect: true
+    });
 
-export function setup() {
-    return client.connect();
-}
+    await client.connect();
 
-export function benchmark({ randomString }) {
-    return Promise.all([
-        client.set(randomString, randomString),
-        client.get(randomString),
-        client.del(randomString)
-    ]);
-}
-
-export function teardown() {
-    return client.disconnect();
-}
+    return {
+        benchmark() {
+            return Promise.all([
+                client.set(randomString, randomString),
+                client.get(randomString),
+                client.del(randomString)
+            ]);
+        },
+        teardown() {
+            return client.disconnect();
+        }
+    }
+};