fix: tests on redis

src/database/redis/hash.js

@@ -154,6 +154,9 @@ module.exports = function (module) {
 	};
 
 	module.deleteObjectFields = async function (key, fields) {
+		if (!Array.isArray(fields) || !fields.length) {
+			return;
+		}
 		await module.client.async.hdel(key, fields);
 		cache.delObjectCache(key);
 	};

test/database/hash.js

@@ -410,6 +410,10 @@ describe('Hash methods', function () {
 			});
 		});
 
+		it('should not error if fields is empty array', async () => {
+			await db.deleteObjectFields('someKey', []);
+		});
+
 		it('should not error if key is undefined', function (done) {
 			db.deleteObjectField(undefined, 'someField', function (err) {
 				assert.ifError(err);