Questions regarding proxyquire - Proxies nodejs's require to make overriding dependencies during testing
Documentation: https://github.com/thlorenz/proxyquire
Questions tagged [proxyquire]
116 questions
73
votes
1 answer
Proxyquire, rewire, SandboxedModule, and Sinon: pros & cons
When mocking Node dependencies, I've happened upon the following libraries:
Proxyquire
Rewire
SandboxedModule
Sinon
They all seem to do more-or-less the same thing: allow you to mock require() calls (with the exception of Sinon which mocks pretty…
robrich
- 13,017
- 7
- 36
- 63
45
votes
1 answer
How to mock middleware in Express to skip authentication for unit test?
I have the following in Express
//index.js
var service = require('./subscription.service');
var auth = require('../auth/auth.service');
var router = express.Router();
router.post('/sync', auth.isAuthenticated, service.synchronise);
…
jeh
- 2,373
- 4
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15
votes
6 answers
How can I mock a fake database for when unit testing against Knex?
I've been using Knex successfully to connect to a backend database. But I want to be able to unit test my code. Is there a way to mock the database connection?
I've tried using proxyquire but I can't seem to get it to work.
The problem seems to be…
Trevor Allred
- 888
- 2
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- 22
14
votes
3 answers
Proxyquire with webpack don't compile
I have installed proxyquire and my ajax.test.tsx file contains the following code, just 2 lines
import * as proxyquire from 'proxyquire';
proxyquire.noCallThru();
My webpack code is the following
module.exports = {
entry: {
…
hendrixchord
- 4,662
- 4
- 25
- 39
12
votes
1 answer
How does proxyquire handle second level (indirect) requires of proxies modules?
If we have three modules names A, B and C so module A requires B and B requires C: what would be the effect of this call?
var A = proxyquire('A', {'C': mockedModule})
Would module B get the mock or the real C module?
fortran
- 74,053
- 25
- 135
- 175
10
votes
1 answer
Proxyquire not stubbing my required class
I have a class AProvider that requires './b.provider'.
const BProvider = require('./b.provider');
class AProvider {
static get defaultPath() {
return `defaults/a/${BProvider.getThing()}`;
}
}
module.exports = AProvider;
b.provider.js is…
Dave Sag
- 13,266
- 14
- 86
- 134
10
votes
1 answer
stubbing a function in a proxyquired object
I want to unit-test the following simplified module:
const Logger = require('logplease');
const logger = Logger.create('utils');
const tester = {
one: () => {
logger.log('called real one()');
tester.two();
},
two: () =>…
montrealist
- 5,593
- 12
- 46
- 68
8
votes
1 answer
Unit test a private method that uses request, pipe and stream using mocks
I want to unit test the exported method in the code below. I want to mock the values in the private method to control the reject/resolves of the returned Promise. client is node-postgres object that is already connected to the database.
I know I…
Brian
- 4,931
- 3
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- 55
7
votes
3 answers
How to assert stubbed fetch more than once
Using proxyquire, sinon, and mocha.
I am able to stub fetch on the first call of fetch. But on the second fetch call, which is recursive, I am not able to assert it. From the output, it looks like the assertion may run before the test finishes. You…
dman
- 10,406
- 18
- 102
- 201
7
votes
1 answer
Unit test: mock document used by an imported TypeScript dependency?
I need to somehow mock the document object to be able to unit-test a legacy TypeScript class. The class imports another class (View.ts), which has an import of a 3-rd party module, and that, in turn, imports something else which assumes document…
montrealist
- 5,593
- 12
- 46
- 68
7
votes
3 answers
Map paths for Node modules, for unit testing
Client side I stub out paths to modules with SystemJS, like this
var systemJsConfig = {
baseURL: "./",
defaultJSExtensions: true,
map: {
'root-components': 'applicationRoot/rootComponents'
}
};
and so…
Adam Rackis
- 82,527
- 56
- 270
- 393
6
votes
0 answers
Proxyquire shows error "Cannot find module"
I'm trying to use proxyquire to replace a private function for testing in my Meteor app.
Meteor 1.6.1
meteortesting:mocha@1.1.2
In my parentFunction.js:
import { some function } from 'anotherFile';
function childFunction() {
...
return…
Little Brain
- 2,647
- 1
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- 54
6
votes
0 answers
`proxyquire` - error: cannot find module
For some reason proxquire cannot find my module index.js. I must be doing something really stupid or obvious and can't see it.
Error:
invoicer
good request
1) "before all" hook
0 passing (9ms)
1 failing
1) invoicer good request…
hyprstack
- 4,043
- 6
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5
votes
1 answer
Typescript / Node.js - How to mock transitive dependencies for integration testing?
Let say I have an Express route which is handled by a controller. The controller uses a service and the service uses a repository to talk to a data source.
I want to create an integration test using Supertest to test that route :
test -> my…
electrotype
- 8,342
- 11
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- 96
5
votes
1 answer
Proxyquire calling original file instead of stub
Hi I'm trying to mock a Model inside my controller using proxyquire. But for some reason when a try to inject a mock, the original file is being called.
This is how my model is being required inside the controller:
var Product =…
Victor Ribeiro da Silva Eloy
- 4,051
- 3
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