sinon | Sinon.js assertions for should.js | Runtime Evironment library

by shouldjs JavaScript Version: Current License: MIT

X-Ray Key Features Code Snippets Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | sinon Summary

sinon is a JavaScript library typically used in Server, Runtime Evironment, Tensorflow, React, Nodejs, Next.js applications. sinon has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can install using 'npm i should-sinon' or download it from GitHub, npm.

Sinon.js bindings for should.js.

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Quality

Security

License

Reuse

Support

sinon has a low active ecosystem.

It has 11 star(s) with 9 fork(s). There are 5 watchers for this library.

It had no major release in the last 6 months.

There are 5 open issues and 8 have been closed. On average issues are closed in 13 days. There are 1 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of sinon is current.

Quality

sinon has 0 bugs and 0 code smells.

Security

sinon has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

sinon code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

sinon is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

sinon releases are not available. You will need to build from source code and install.

Deployable package is available in npm.

Installation instructions are not available. Examples and code snippets are available.

Top functions reviewed by kandi - BETA

kandi has reviewed sinon and discovered the below as its top functions. This is intended to give you an instant insight into sinon implemented functionality, and help decide if they suit your requirements.

Asserts method call method method .
Checks if a method is stub .
Asserts that the method is a constant .
Show number of times
Check if given argument is a function
Checks if a given call is a call .

Get all kandi verified functions for this library.

sinon Key Features

No Key Features are available at this moment for sinon.

sinon Examples and Code Snippets

No Code Snippets are available at this moment for sinon.

Community Discussions

Trending Discussions on sinon

Mocha: How to assert after an event?

How to mock firestore query with mocha and sinon?

How to refactor a function that calls a function so that it can be tested using typescript and sinon?

How to stub an inner function and set a variable value

how to to make sinon return non promise I do mock expect

How to stub function that returns a promise?

Deno mock out named import in unit test

Unable to mock event handler on test

React Native Jest - How to test Functional component with multiple hooks? Unable to stub AccessiblityInfo module

Typescript with mocha - Cannot use import statement outside a module

QUESTION

Mocha: How to assert after an event?

Asked 2022-Mar-22 at 06:25

I'm working with Electron and Johnny-Five to process some data I read with my Arduino Mega 2560 and I'm having some trouble testing my Arduino's connection.

This is the method I want to test (ignore the awful signature):

...

ANSWER

Answered 2022-Mar-22 at 06:25

The typical approach would be moving the done callback into the event handler. In this way, the test will wait until the callback is called. If the ready event is not fired, the callback won't be called and the test will timeout with an error after 2 seconds.

This means that you don't need to explicitly assert that the event f is called, and in fact, you don't event need to spy on it.

Source https://stackoverflow.com/questions/71560497

QUESTION

How to mock firestore query with mocha and sinon?

Asked 2022-Feb-27 at 10:47

W.r.t. How to mock firestore with mocha how do I mock the following firestore query using sinon?

...

ANSWER

Answered 2022-Feb-27 at 10:47

import * as _chai from "chai";
import * as chaiAsPromised from "chai-as-promised";
import * as admin from "firebase-admin";
import * as _sinon from 'sinon';
_chai.use(chaiAsPromised);
var expect = _chai.expect;
const db: FirebaseFirestore.Firestore = admin.firestore();

describe("Test with mock firestore", () => {
    var docRefStub;
    beforeEach(() => { docRefStub = _sinon.stub(db, "doc");});
    afterEach(() => {db.doc.restore();});
    it("Test should pass with valid request params", async () => {
        const expectedString = "Hello World!!!";
        const testCollection = {
            "/Client/123/Store/789": {
                 data: 1,
                 moreData: "Hello World!!!"
            }
        }
        const setSpy = _sinon.spy();
        docRefStub.callsFake(fakeFsDoc(testCollection, setSpy));
        await callAFunction("123", "789");
        expect(setSpy.called).to.be.true;
        expect(setSpy.getCall(0).args[0].data).to.not.be.null;
        expect(setSpy.getCall(0).args[0].moreData).to.deep.equal(expectedString);
    }
});

Source https://stackoverflow.com/questions/71062688

QUESTION

How to refactor a function that calls a function so that it can be tested using typescript and sinon?

Asked 2022-Feb-03 at 22:34

I have the following code

...

ANSWER

Answered 2022-Feb-03 at 22:34

You need some way of injecting a stub so that your class instance calls that instead of the external library. This answer elaborates some alternatives. The alternative to injecting stubs is to replace the entire module you are importing. This is called using a link seam. This answer shows one way and lists various module loaders that help you do so.

Personally, I have slowly moved away from module mocking techniques and try to keep myself in the land of dependency injection (alternative 1), since that works regardless of the underlying environment and any beginning programmer can read the tests. The least invasive way could simply be something like this:

Source https://stackoverflow.com/questions/70901415

QUESTION

How to stub an inner function and set a variable value

Asked 2022-Jan-29 at 07:59

This is one of the more complex scenarios I've encountered yet. I have a function that I need to test, this function is nested in a complex puzzle of functions. I need to stub this function, and set a value inside the variable inside.

For reasons I'm not allowed to share here, the variable inside the publishEvent() method is undefined during test run, I need a way to set the value for this variable during test in order for me to test the if block of code in the function.

I summarized the whole file because I can't share the code here due to NDA, sorry if the question is not detailed enough. Maybe using sinon I can directly set the value for this variable in the publishEvent function.

...

ANSWER

Answered 2022-Jan-29 at 07:59

You need a way of controlling what library.fetchData() outputs. Either you need a way of injecting a substitute for that library (easiest option) or you need to employ a link seam (environment dependant, requires extra lib) - substituting the library with a fake one at the module loading level.

You can check out this SO answer to a nearly identical question for details.

Source https://stackoverflow.com/questions/70870593

QUESTION

how to to make sinon return non promise I do mock expect

Asked 2022-Jan-22 at 17:56

I am using sinon to mock a return for a function and here is my code:

...

ANSWER

Answered 2022-Jan-22 at 17:56

resolves returns a promise. The equivalent method in sinon to return a value is .returns:

Source https://stackoverflow.com/questions/70815444

QUESTION

How to stub function that returns a promise?

Asked 2022-Jan-22 at 12:06

I'm trying to stub a function using sinon. The function has the following signature

...

ANSWER

Answered 2022-Jan-21 at 01:15

According to the docs, you can't stub an existing function.

You can:

Source https://stackoverflow.com/questions/70794710

QUESTION

Deno mock out named import in unit test

Asked 2022-Jan-16 at 23:39

I would like to make an unit test for a module that is using jsonfile to read the data.

...

ANSWER

Answered 2021-Oct-22 at 20:07

ES modules cannot be stubbed.

You can however wrap the functionality you want to stub in a class or object and export that and then you can stub methods on it using Sinon.JS or other libraries.

For getting started with Sinon.JS in Deno I suggest checking out Integration with testing libraries | Testing | Manual | Deno which references a sinon_example.ts.

Source https://stackoverflow.com/questions/69677679

QUESTION

Unable to mock event handler on test

Asked 2022-Jan-16 at 13:30

So i have a very simple class which does the following:

Adds an event handler on an element on it's creation
The event handler is an instance method of the class
I need a cleanup method to remove the handler on demand

...

ANSWER

Answered 2022-Jan-16 at 13:30

You can stub TestClass's prototype.

Source https://stackoverflow.com/questions/70720283

QUESTION

React Native Jest - How to test Functional component with multiple hooks? Unable to stub AccessiblityInfo module

Asked 2021-Dec-19 at 03:57

I'm trying to write unit tests for a functional component I've recently written. This component makes use of multiple hooks, including, useState, useEffect and useSelector. I'm finding it very difficult to write tests for said component since I've read that it's not good practice to alter the state but only test for outcomes.

Right now I'm stuck writing pretty simple unit tests that I just can't seem to get working. My goal for the first test is to stub AccessibilityInfo isScreenReaderEnabled to return true so that I can verify the existence of a component that should appear when we have screen reader enabled. I'm using sinon to stub AccessibilityInfo but when I mount my component the child component I'm looking for doesn't exist and the test fails. I don't understand why it's failing because I thought I had stubbed everything properly, but it looks like I'm doing something wrong.

I'll add both my component and test files below. Both have been stripped down to the most relevant code.

Home-Area Component:

...

ANSWER

Answered 2021-Dec-19 at 03:57

It probably is because the promise is not resolving before you check that the component exists. You can read more about it here https://www.benmvp.com/blog/asynchronous-testing-with-enzyme-react-jest/

try it like this

Source https://stackoverflow.com/questions/70320123

QUESTION

Typescript with mocha - Cannot use import statement outside a module

Asked 2021-Nov-19 at 15:10

I'm trying to make a simple test to get to know unit tests using mocha.

Folder Structure

node_modules
package.json
package-lock.json
testA.ts
testA.spec.ts
tsconfig.json

tsconfig.json

...

ANSWER

Answered 2021-Nov-19 at 15:10

I found the solution. Inside package.json I added the require for mocha:

Source https://stackoverflow.com/questions/70034695

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install sinon

You can install using 'npm i should-sinon' or download it from GitHub, npm.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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