Minutes
Questions

Test summary

Skills Assessed

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Combining multiple skills into one

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Choose easy, medium, or tricky questions from our skill libraries to assess candidates of different experience levels.

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Test duration:
20
min
No. of questions:
10
Level of experience:
Expert

Jest Test

The Jest Test helps recruiters and hiring managers assess a candidate's ability to write and manage unit tests using the Jest framework. It measures practical skills in mocking, DOM interaction, and test isolation techniques critical for front-end testing. The test also covers integrating Enzyme for React component testing and using Jest APIs for simulating timers and modules.

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Jest Skills Test

Jest is one of the JavaScript test runners, which is also called a JavaScript library for creating, running, and structuring various types of tests. It can be installed in any JavaScript project, and Jest also ships as an NPM package. Jest can reliably run tests in parallel form and is pretty fast and safe to run previously failed tests first. Jest makes any object mocking easy and simple outside your test scope. This test runner also generates good code coverage by covering information from entire projects. 

Jest skills test helps tech recruiters and hiring managers to assess candidates' automation testing skills with the Jest framework. Jest skill assessment is designed by experienced subject matter experts (SMEs) to evaluate and hire Jest automation engineers as per industry standards.

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How it works

Test Summary

The Jest skills test helps to screen the candidates who possess traits as follows:

  • Experience in running the tests by using the Jest library 
  • Good knowledge of Timer Mock, Mock Functions, Manual Mock, etc.
  • Good understanding of concepts like DOM Manipulation and Jest Enzymes
  • Knowledge of Snapshot Testing, Testing Asynchronous Code, and Configuration 

Jest skill assessment is a secure and reliable way of candidate assessment. You can use our role-based access control feature to restrict system access based on the roles of individual users within the recruiting team. Features like window violation, image, audio & video proctoring help detect cheating during the test.

This test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio / Video Questions, AI-LogicBox (AI-based Pseudo-Coding Platform), Coding Simulators, True or False Questions, etc.

Useful for hiring
  • Jest Automation Engineer
  • QA Engineer
  • Front-End Engineer
  • Full-Stack Developer
Test Duration
20
min
No. of Questions
10
Level of Expertise
Expert
Topics Covered
Shuffle

Jest Enzyme

Assesses candidates' knowledge of integrating Jest with Enzyme to test React components, including rendering, simulating events, and asserting output.

Timer Mock

Evaluates candidates' ability to use Jest's timer mocks to test time-based functions and behaviors like setTimeout and setInterval.
Shuffle

DOM Manipulation

Tests candidates' proficiency in verifying DOM interactions, including dynamic content updates and user-driven changes within unit tests.
Shuffle

Bypassing Module Mocks

Assesses candidates' ability to selectively bypass or restore module mocks to test real implementations or isolate specific test scenarios.
Shuffle

Mock Functions

Evaluates skills in creating and managing mock functions to track calls, return values, and simulate external dependencies.
Shuffle

A helicopter view of the employee's progress
Test Report
You can customize this test by

Setting the difficulty level of the test

Choose easy, medium, or tricky questions from our skill libraries to assess candidates of different experience levels.

Combining multiple skills into one test

Add multiple skills in a single test to create an effective assessment and assess multiple skills together.

Adding your own
questions to the test

Add, edit, or bulk upload your coding, MCQ, and whiteboard questions.

Requesting a tailor-made test

Receive a tailored assessment created by our subject matter experts to ensure adequate screening.
FAQ