proxyquire | 🔮 Proxies nodejs require in order to allow | Runtime Evironment library
kandi X-RAY | proxyquire Summary
kandi X-RAY | proxyquire Summary
Proxies nodejs's require in order to make overriding dependencies during testing easy while staying totally unobtrusive. If you want to stub dependencies for your client side modules, try proxyquireify, a proxyquire for browserify v2 or proxyquire-universal to test in both Node and the browser.
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- Properties of this proxy .
proxyquire Key Features
proxyquire Examples and Code Snippets
import request from 'request-promise';
const request1 = async (data) => request({ uri: 'service1.com/get', method: 'GET' });
export const apiRequests = async (data) => {
const req1 = await request1(data);
const req2 = await req
// File: glob.ts
import glob from 'fast-glob';
async function getPaths(input: string): Promise> {
return glob(input, { absolute: true });
}
export { getPaths };
// File: glob.spec.ts
import * as FastGlob fr
const { getCompany } = require('./helper');
module.exports = class Handler {
async init() {
await getCompany();
}
};
exports.getCompany = async () => {
// async calls
};
const
const AWS = require('aws-sdk');
exports.getCredsFromAWSSecretsManager = () => {
const SM = new AWS.SecretsManager({
apiVersion: process.env.AWS_SM_API_VERSION,
region: process.env.AWS_SM_REGION,
});
const params = {
S
const { Pool } = require('pg');
const pool = new Pool({
connectionString: process.env.HEROKU_POSTGRESQL_BLUE_URL,
ssl: {
rejectUnauthorized: false,
},
});
async function queryWithParameter(queryToExecute, parameterReq) {
var
const someReturnFunction = require('./someReturnFunction');
const SomeExtendedErrrorClass = require('./SomeExtendedErrrorClass');
module.exports.someMiddleware = async (req, res, next) => {
const responseData = await someReturnFuncti
import { DocumentClient } from 'aws-sdk/clients/dynamodb';
export abstract class Client {
static read = {
pk: (pk: string) => {
return {
sk: async (sk: string) => {
return await new DocumentClient()
const { verify } = require('@mycompany/verifylib');
const auditEvent = () => {
verify();
};
module.exports = { auditEvent };
const sinon = require('sinon');
const proxyquire = require('proxyquire');
describ
import axios, { AxiosRequestConfig } from 'axios';
export async function getName() {
const config: AxiosRequestConfig = {
method: 'GET',
url: 'someUrl',
headers: {},
};
const res = await axios(config);
return res;
}
import { SQSClient, ReceiveMessageCommand } from '@aws-sdk/client-sqs';
const sqsClient = new SQSClient({ region: 'REGION' });
const params = {
AttributeNames: ['SentTimestamp'],
MaxNumberOfMessages: 10,
QueueUrl: 'paymentsUrl',
};
Community Discussions
Trending Discussions on proxyquire
QUESTION
I am just getting started unit testing nodejs. I have been using mocha, chai and sinon.
I hit a snag when I wanted to test a function which is not exported. proxyquire looks good, as does rewire.
There are lots of tutorials, but they tend to be simplistic. E.g
...ANSWER
Answered 2022-Feb-28 at 03:18The API rewiredModule.set(name: String, value: *): Function of rewire
package can do this.
E.g.
index.ts
:
QUESTION
I have a class modules/handler.js
, which looks like this:
ANSWER
Answered 2021-Oct-29 at 11:24The Handler
class you are using is required by the require
function rather than proxyquire
.
handler.js
:
QUESTION
I have written a test code to test code that gives credentials from AWS Secret Manager. I used proxyquire and sinon for stubbing and getting this error.
Function I want to test
...ANSWER
Answered 2021-Oct-29 at 05:09AWS
is a namespace, it contains all AWS service classes like SecretsManager
. You should provide the awsStub
to aws-sdk
, there is no need to wrap the awsStub
inside an object.
aws_helper.js
:
QUESTION
I have a simple lambda function which makes a get call to the dynamodb. I am trying to mock this using sinon and am stuck with an error.
app.js
...ANSWER
Answered 2021-Oct-27 at 12:57this is how i test my code using supertest package and jest.
In my backend, I am making a post request to send some data. Ofcourse you can skip as per your need
QUESTION
I have a function which unzip a file form the directory. It's working fine
index.js
...ANSWER
Answered 2021-Oct-19 at 01:39You don't need to use proxyquire
package, use sinon.stub(obj, 'method')
to stub methods of object. You can stub fs.mkdir
, unzipper.Extract
and fs.createReadStream
methods.
You use util.promisify
to convert fs.mkdir
into a promise form and call it, but underly is still the callback being called, so you need to use the .callsFake()
method to mock implementation for fs.mkdir
, and call the callback manually in the test case.
The below example uses mocha
as testing framework, but ava
should also be fine.
index.js
:
QUESTION
I have a database file (not a class) that does an update operation as shown below -
...ANSWER
Answered 2021-Oct-18 at 05:41proxyquire
and sinon
packages are enough, you don't need to use aws-sdk-mock
package.
index.ts
:
QUESTION
I just want to fake pool connection and use the connection in all my unit test.
...ANSWER
Answered 2021-Sep-17 at 11:55I will show you how to test the test cases that "should be the correct query result".
index.js
:
QUESTION
I am writing unit test cases for the following file
...ANSWER
Answered 2021-Sep-13 at 02:14Since the RMQ_INSTANCE
is an object, you can stub its methods using sinon.stub(obj, 'method')
, you don't need to use proxyquire
package.
Since you want to test the b
module, the b
module only cares about the interface of the RMQ_INSTANCE
it depends on, and the specific implementation does not matter.
b.js
:
QUESTION
I'm trying to do call a function that is imported as a function independently in another function that I'm calling from my unit test. How can I get callcount of 1 on the functionIWantToSpy in this scenario?
auditEvent.js:
...ANSWER
Answered 2021-Jul-15 at 18:20Spying involves replacing the function with a new function. You are replacing what is referred to by the identifier functionIWantToSpy
so that it refers to a new spy function, instead of the original function referred to by require('@mycompany/another-lib').functionIWantToSpy
. The code inside the module can't see your new spy function. The expression require('@mycompany/another-lib').functionIWantToSpy
refers to the original function, unchanged.
Because require
caches results (i.e., only the first require("foo")
executes foo
, and any subsequent require("foo")
summons up that same object returned by the first require
call), you can modify the functionIWantToSpy
method of the require('@mycompany/another-lib')
object, using the two-argument form of sinon.spy
:
QUESTION
I can't wrap my head around proxyquire. I have this auditEvent method, part of auditEvent.js:
...ANSWER
Answered 2021-Jul-14 at 04:22You should deconstruct the auditEvent
function from ./auditEvent
module.
E.g.
auditEvent.js
:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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