refactor: prevent param fields from being used as options in find method

Author: gusth-sa

src/find.js

@@ -65,11 +65,12 @@ module.exports = async function(collection, params) {
       ? COLLECTION_METHODS.FIND_AS_CURSOR
       : COLLECTION_METHODS.FIND;
 
-    const query = collection[findMethod]({ $and: [cursorQuery, params.query] }, params.fields);
-
     // Required to support native mongodb 3+ and keep the backward compatibility with version 2
-    if (findMethod === COLLECTION_METHODS.FIND) {
-      query.project(params.fields);
+    let query;
+    if (findMethod === COLLECTION_METHODS.FIND_AS_CURSOR) {
+      query = collection[findMethod]({ $and: [cursorQuery, params.query] }, params.fields);
+    } else {
+      query = collection[findMethod]({ $and: [cursorQuery, params.query] }).project(params.fields);
     }
 
     /**

test/support/db.js

@@ -16,12 +16,7 @@ async function db(mongod, driver = null) {
       db: await mongoist(uri),
     };
   }
-  const [client, dbName] = await Promise.all([
-    MongoClient.connect(uri, {
-      useUnifiedTopology: true,
-    }),
-    mongod.getDbName(),
-  ]);
+  const [client, dbName] = await Promise.all([MongoClient.connect(uri), mongod.getDbName()]);
   return {
     db: client.db(dbName),
     client,