For a while I have been getting this error and I decided to fix it today but after an hour trying to fix it I can find the solution.
When I test my mongoose User model this error/warning is generated:
Mongoose: mpromise (mongoose's default promise library) is deprecated, plug in your own promise library instead: http://mongoosejs.com/docs/promises.html
Here is my test:
1 var assert = require('chai').assert;
2 var mongoose = require('mongoose');
3 var clearDB = require('mocha-mongoose')(require('../../config/database').uri, { skip: ['workouts'] });
4 var database = require('../../config/database').connect;
5
6 var User = require('../../app/models/user');
7 var user = new User({});
8
9 var req_body = {
10 username: "garyvee",
11 email: "[email protected]",
12 password: "secret"
13 };
14
15 describe('User', function() {
16 beforeEach(function(done) {
17 user.username = "johnsmith";
18 user.email = "[email protected]";
19 user.password = "secret";
20 done();
21 });
22
23 it('can be saved', function() {
24 return user.save(function(err: any) {
25 assert.isNull(err);
26 })
27 });
28 });
I think it has something to do with the .save
but I don't know how to fix it. Can someone help me and tell me how to fix it so that error/warning isn't shown.
You need to plugin a promise library (q, bluebird, the es6 one...)
mongoose.Promise = require('bluebird');
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