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Jest Assessment Test

This Jest test evaluates candidates' proficiency in organizing test suites, writing test cases, utilizing test hooks, and lifecycle methods. It covers snapshot testing, test report generation, and understanding the testing pyramid. Candidates will demonstrate their knowledge of JavaScript fundamentals, parameterized tests, and debugging test failures. The assessment also includes Jest installation and configuration, code coverage, assertions, matchers, asynchronous testing, and configuration customization. Candidates will be tested on test execution, Node.js and npm, best testing practices, mocking, version control, CI integration, and explaining complex concepts in Jest.

Proficiency Level
Beginner-Expert
Experience
0-8 years
Duration
60 mins
WeCP Verified
WeCP
Subject Matter Expert
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Use Case

  • Evaluates knowledge of Jest fundamentals and practical application.
  • Identifies proficiency in debugging and string manipulation skills.
  • Assesses capability to explain complex Jest concepts clearly.
  • Highlights understanding of best practices in JavaScript testing.

Skills Covered

JavaScript Fundamentals
Node.js and npm
Jest Installation and Configuration
Writing Test Suites and Test Cases
Assertions and Matchers
Mocking
Test Execution
+15 more
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About

Jest Assessment Test

This Jest test is designed to assess a candidate's ability to effectively organize and write test suites and cases, utilize test hooks and lifecycle methods, and perform snapshot testing. It evaluates the candidate's skills in generating test reports, understanding the testing pyramid, and applying JavaScript fundamentals. The test also covers parameterized tests, debugging test failures, and configuring Jest for optimal performance. Candidates will be assessed on their knowledge of code coverage, assertions, matchers, asynchronous testing, and configuration customization. Additionally, the test evaluates the candidate's proficiency in test execution, Node.js and npm, best testing practices, mocking, version control, and integration with Continuous Integration (CI) systems. The ability to explain complex concepts in Jest is also tested, ensuring a comprehensive evaluation of the candidate's skills.

Target Audience

This assessment is ideal for roles such as JavaScript Developer, Frontend Developer, Full Stack Developer, QA Engineer, Software Tester, and Test Automation Engineer.

Prerequisites
  • Proficiency in JavaScript programming language
  • Understanding of Node.js and npm
  • Familiarity with Jest testing framework
  • Basic knowledge of version control systems like Git
  • Experience with Continuous Integration (CI) tools
  • Ability to write and execute test cases
  • Understanding of software testing principles and best practices
Test Overview
Duration
60 mins
Questions
22
Passing Score
70%

Questions

Jest Test Case Syntax
JavaScript
JavaScript
Jest
Testing
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Easy
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Jest Command for Running All Tests
Node.js
Node.js
npm
Jest
testing
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Easy
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Jest Installation Command
Jest
Jest
JavaScript
Testing
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Medium
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Best Practices for Writing Jest Test Cases
Jest
Jest
JavaScript
Testing
Test Cases
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Medium
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Testing Asynchronous Error Handling in Jest
JavaScript
JavaScript
Jest
Testing
Error Handling
Async
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Hard
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Understanding Mocking in Jest
JavaScript
JavaScript
Jest
Testing
Mocking
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Hard
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Jest Test Execution Command
JavaScript
JavaScript
Jest
Testing
Test Execution
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Easy
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Understanding Snapshot Testing in Jest
Snapshot Testing
Snapshot Testing
Jest
JavaScript
Testing
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Medium
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Testing Asynchronous Code with Jest
Jest
Jest
Asynchronous Testing
Promises
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Medium
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Understanding Jest Lifecycle Methods
JavaScript
JavaScript
Jest
Lifecycle Methods
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Hard
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Understanding Code Coverage in Jest
Code Coverage
Code Coverage
Jest
JavaScript
Software Testing
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Easy
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Understanding Parameterized Tests in Jest
Jest
Jest
JavaScript
Testing
Parameterized Tests
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Medium
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Organizing Test Suites in Jest
JavaScript
JavaScript
Jest
Testing
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Medium
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Configuring Jest with Babel
JavaScript
JavaScript
Jest
Testing
Configuration
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Hard
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Jest and CI Integration Benefits
Jest
Jest
Continuous Integration
JavaScript Testing
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Easy
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Generating Test Report in Jest
JavaScript
JavaScript
Jest
Test Report
JSON
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Medium
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Identifying Causes of Jest Test Failures
JavaScript
JavaScript
Jest
Testing
Debugging
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Medium
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Mocking Modules in Jest
Jest
Jest
Mocking
JavaScript
Testing
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Hard
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Understanding Jest's Role in JavaScript Testing
Testing
Testing
JavaScript
Jest
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Easy
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Understanding the Testing Pyramid
Testing Pyramid
Testing Pyramid
Jest
JavaScript
Software Testing
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Medium
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
Fix the code to find the number of common characters
Character Case Sensitivity
Character Case Sensitivity
Code Debugging
Error Correction
Identification of Bugs
L0
What this question evaluates
This question assesses a candidate's proficiency in programming, especially in concepts related to string manipulation, code debugging, and character case sensitivity. The candidate should be able to identify and correct errors in a provided code block.
Type:
Programming
Difficulty:
Medium
Time:
10 mins
Attempts:
100+
Success Rate:
70.01%
Complex Concept in Jest
Jest
Jest
JavaScript Testing
Intermediate Concept
What this question evaluates
No description provided
Type:
Programming
Difficulty:
Medium
Time:
2 mins
Attempts:
100+
Success Rate:
70.01%
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Tailor every aspect of your assessment to match your specific requirements. From question types to scoring algorithms, create the perfect evaluation environment.
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Question Types

Choose from multiple formats including MCQs, coding challenges, and system design questions.

Scoring Rules

Define custom scoring algorithms and weightage for different question types.

Time Settings

Set overall duration and individual question time limits.

Custom Branding

Add your company logo, colors, and custom welcome messages.

Candidate Experience

Interactive coding environment with real-time feedback
Clear instructions and test cases for each question
Built-in code editor with syntax highlighting
Immediate evaluation of submissions
Progress tracking throughout the assessment
Detailed explanations for correct answers
Time management tools to help pace yourself

Proctoring & Anti-Cheating

Sherlock AI Agent

Sherlock is more than just a tool, it's your AI test integrity agent. By continuously monitoring and analyzing candidate behavior in real-time, Sherlock ensures a secure and fair testing environment. Using machine learning, it detects suspicious patterns, so you can focus on reliable results while Sherlock handles test integrity.

Live Monitoring

Track behavior with real-time video and audio.

Screen Tracking

Multi-screen detection and continuous screen recording during assessment.

Pattern Analysis

Spot suspicious actions with AI-driven insights.

Access Control

Ensure secure tests with browser lockdown.
Real-time Monitoring
Video Feed
Active
Screen Activity
98%
Focus Rate
95%
Ivan Petrov
Candidate
Passed
85%
AI Summary
Skills Performance
Score
JavaScript Fundamentals
87%
Node.js and npm
80%
Jest Installation and Configuration
85%
Writing Test Suites and Test Cases
82%
Areas of Improvement
Review
Writing Test Suites and Test Cases
Practice
Node.js and npm
Skill Assessment
Detailed evaluation of technical skills and problem-solving abilities.
AI Analysis
Machine learning-powered insights into candidate performance patterns.
Benchmarking
Compare results against industry standards and other candidates.
Action Items
Specific recommendations for skill development and improvement.

Pricing Plans

Freemium
US$ 0
5 credits / mo
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Skill fit candidates
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Conduct face to face interviews
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ATS Integrations
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Standard compliance, security and audits
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Standard support from WeCP Team
Enterprise
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Freemium
US$ 0
60 credits / yr
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Use Prebuilt Questions
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Standard Cheat Prevention
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Smooth Candidate Experience
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Skill fit candidates
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Conduct face to face interviews
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ATS Integrations
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Standard compliance, security and audits
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Standard support from WeCP Team
Enterprise
Talk to us for a comprehensive solution that meets all your enterprise needs.
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Effortless Data Migration: Our support team ensures a smooth transition, keeping your assessments and data intact.
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Easy Change Management: Comprehensive training and 24/7 support ensure a seamless switch with minimal operational impact.
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Enterprise-grade AI instantly understands common customer issues for your industry, routes tickets and gives agents extra insights. In any plan, Advanced AI is available at the Professional and higher levels.
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Advanced AI
US$ 50per agent/month
Enterprise-grade AI instantly understands common customer issues for your industry, routes tickets and gives agents extra insights. In any plan, Advanced AI is available at the Professional and higher levels.
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What Our Customers Say

"We have evaluated more than hundreds of thousands of techies using WeCP until now. The tool has been very effective in assessing strengths and weaknesses of candidates."
Allahbaksh Asadullah
Principal Product Architect, Infosys
"With WeCP's automation capabilities, we've not only streamlined the process but also enhanced the candidate experience."
Paula Macnab
Hiring Manager, Yellow
"Comprehensive reports and analytics help us make data-driven hiring decisions. The platform has streamlined our entire process."
Erich Raldmann
Managing Partner, Spherion

Frequently Asked Questions

How does AI proctoring work?
Our AI proctoring system, Sherlock, uses advanced machine learning algorithms to monitor candidate behavior in real-time. It analyzes video, audio, and screen activity to detect potential cheating attempts while maintaining candidate privacy.
Can I customise assessment templates?
Yes! All plans include access to our template library, and you can customize them to match your specific requirements. Professional and Enterprise plans offer additional customization options and the ability to create custom templates from scratch.
What type of reports are available?
We provide comprehensive reports including detailed skill assessments, AI-powered behavioral analysis, comparative analytics, and improvement recommendations. Reports can be customized and exported in various formats.
Is the platform suitable for remote hiring?
Absolutely! Our platform is specifically designed for remote hiring with features like secure browser lockdown, AI proctoring, and real-time monitoring. It ensures the same level of assessment integrity as in-person evaluations.
How do you ensure security of assessment data?
We implement enterprise-grade security measures including end-to-end encryption, secure data storage, and regular security audits. We comply with GDPR and other major data protection regulations.