tests(api): Outsource mongo updates to mongo module in api helper

test/helpers/api-integration/api-classes.js

@@ -1,6 +1,7 @@
 /* eslint-disable no-use-before-define */
 
 import { requester } from './requester';
+import { updateDocument as updateDocumentInMongo } from './mongo';
 import {
   assign,
   each,
@@ -14,10 +15,16 @@ class ApiObject {
     assign(this, options);
   }
 
-  update (options) {
-    return new Promise((resolve) => {
-      _updateDocument(this._docType, this, options, resolve);
-    });
+  async update (options) {
+    if (isEmpty(options)) {
+      return;
+    }
+
+    await updateDocumentInMongo(this._docType, this, options);
+
+    _updateLocalParameters (this, options);
+
+    return this;
   }
 }
 
@@ -44,26 +51,7 @@ export class ApiGroup extends ApiObject {
   }
 }
 
-function _updateDocument (collectionName, doc, update, cb) {
-  if (isEmpty(update)) {
-    return cb();
-  }
-
-  mongo.connect('mongodb://localhost/habitrpg_test', (connectErr, db) => {
-    if (connectErr) throw new Error(`Error connecting to database when updating ${collectionName} collection: ${connectErr}`);
-
-    let collection = db.collection(collectionName);
-
-    collection.updateOne({ _id: doc._id }, { $set: update }, (updateErr) => {
-      if (updateErr) throw new Error(`Error updating ${collectionName}: ${updateErr}`);
-      _updateLocalDocument(doc, update);
-      db.close();
-      cb();
-    });
-  });
-}
-
-function _updateLocalDocument (doc, update) {
+function _updateLocalParameters (doc, update) {
   each(update, (value, param) => {
     set(doc, param, value);
   });

test/helpers/api-integration/mongo.js

@@ -1,52 +1,76 @@
 import { MongoClient as mongo } from 'mongodb';
 
+const DB_URI = 'mongodb://localhost/habitrpg_test';
+
 // Useful for checking things that have been deleted,
 // but you no longer have access to,
 // like private parties or users
-export function checkExistence (collectionName, id) {
+export async function checkExistence (collectionName, id) {
+  let db = await connectToMongo();
+
   return new Promise((resolve, reject) => {
-    mongo.connect('mongodb://localhost/habitrpg_test', (connectionError, db) => {
-      if (connectionError) return reject(connectionError);
-      let collection = db.collection(collectionName);
+    let collection = db.collection(collectionName);
 
-      collection.find({_id: id}, {_id: 1}).limit(1).toArray((findError, docs) => {
-        if (findError) return reject(findError);
+    collection.find({_id: id}, {_id: 1}).limit(1).toArray((findError, docs) => {
+      if (findError) return reject(findError);
 
-        let exists = docs.length > 0;
+      let exists = docs.length > 0;
 
-        db.close();
-        resolve(exists);
-      });
+      db.close();
+      resolve(exists);
     });
   });
 }
 
 // Specifically helpful for the GET /groups tests,
 // resets the db to an empty state and creates a tavern document
-export function resetHabiticaDB () {
+export async function resetHabiticaDB () {
+  let db = await connectToMongo();
+
   return new Promise((resolve, reject) => {
-    mongo.connect('mongodb://localhost/habitrpg_test', (err, db) => {
-      if (err) return reject(err);
+    db.dropDatabase((dbErr) => {
+      if (dbErr) return reject(dbErr);
+      let groups = db.collection('groups');
 
-      db.dropDatabase((dbErr) => {
-        if (dbErr) return reject(dbErr);
-        let groups = db.collection('groups');
+      groups.insertOne({
+        _id: 'habitrpg',
+        chat: [],
+        leader: '9',
+        name: 'HabitRPG',
+        type: 'guild',
+        privacy: 'public',
+        members: [],
+      }, (insertErr) => {
+        if (insertErr) return reject(insertErr);
 
-        groups.insertOne({
-          _id: 'habitrpg',
-          chat: [],
-          leader: '9',
-          name: 'HabitRPG',
-          type: 'guild',
-          privacy: 'public',
-          members: [],
-        }, (insertErr) => {
-          if (insertErr) return reject(insertErr);
-
-          db.close();
-          resolve();
-        });
+        db.close();
+        resolve();
       });
     });
   });
 }
+
+export async function updateDocument (collectionName, doc, update) {
+  let db = await connectToMongo();
+
+  let collection = db.collection(collectionName);
+
+  return new Promise((resolve) => {
+    collection.updateOne({ _id: doc._id }, { $set: update }, (updateErr) => {
+      if (updateErr) throw new Error(`Error updating ${collectionName}: ${updateErr}`);
+      db.close();
+      resolve();
+    });
+  });
+}
+
+export function connectToMongo () {
+  return new Promise((resolve, reject) => {
+    mongo.connect(DB_URI, (err, db) => {
+      if (err) return reject(err);
+
+      resolve(db);
+    });
+  });
+}
+