Mocha Test

Test duration:

20

min

No. of questions:

10

Level of experience:

Entry/Mid/Senior

Mocha Test

Q: How is this skills test customized?

The Mocha assessment is customized based on job role, required topics (e.g., async testing or test coverage), difficulty level, and assessment duration. iMocha allows test admins to mix question types and set scoring benchmarks aligned to organizational goals.

Q: What are the most common interview questions related to the Mocha Test?

What is Mocha, and why is it used in JavaScript testing? How do you structure a basic test suite in Mocha? What are hooks in Mocha, and how are they used (before, after, beforeEach, afterEach)? How do you handle asynchronous tests in Mocha? Can you explain the difference between describe() and it() in Mocha?

Q: What are the required skillsets for Mocha Test?

Hard Skills: JavaScript, Mocha framework, Unit testing, Asynchronous programming, Test automation tools. Soft Skills: Problem-solving, Attention to detail, Time management, Analytical thinking, Communication.

The Mocha test evaluates candidates’ ability to build and execute unit tests using the Mocha JavaScript testing framework. This assessment helps recruiters and L&D leaders identify developers with strong debugging, asynchronous coding, and test automation skills for faster, data-backed hiring.

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What is Mocha Test?

The Mocha test is a technical assessment designed to measure a candidate’s understanding of JavaScript unit testing using the Mocha framework. It evaluates critical skills like test lifecycle handling, asynchronous code testing, and the use of assertions and hooks essential for modern JavaScript development.

Why Choose iMocha’s Mocha Online Test?

iMocha’s Mocha online test helps organizations accurately assess a candidate’s proficiency in JavaScript unit testing using the Mocha framework. The platform offers flexible test configurations, allowing hiring teams to tailor difficulty levels, question types (including MCQs, code snippets, and debugging tasks), and test duration based on role requirements. Advanced analytics and benchmarking tools enable recruiters to identify top performers quickly, while L&D teams can use the results to plan targeted upskilling programs and internal mobility initiatives.

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How it works

Test Summary

The Mocha assessment screens candidates for the following traits:

Strong command of JavaScript and asynchronous programming
Experienced writing unit and integration tests using Mocha
Familiarity with test runners, assertions, and mocking tools
Understanding of test-driven development (TDD)
Systematic approach to identifying edge cases
Ability to collaborate with development and QA teams

Useful for hiring

JavaScript Developer
Node.js Developer
Full Stack Developer
Backend Developer
Test Automation Engineer
Software Development Engineer in Test (SDET)
QA Engineer

Test Duration

20

min

No. of Questions

10

Level of Expertise

Entry/Mid/Senior

Topics Covered

Data Layers

The Mocha assessment test evaluates candidate’s knowledge of layers of a computer program which provides simplified access to stored data

Utility Layers

Mocha online test evaluates candidate’s understanding of storing repeatable practical method

Test Execution

The Mocha assessment test lets you check candidate’s knowledge of common testing functions

Statistical Layers

The Mocha skill test assesses candidate’s knowledge of Statistical Layers to compute and accumulate multi-class classification

Mocha Backend

Our Mocha test gauges understanding of a component that carries out actual numerical computation

Initializers

The Mocha JS test gauges candidate’s understanding of Initializers to write code in Mocha

Sample Question

Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.

Question type

Multiple Option

Topics covered

Computation layer

Difficulty

Hard

Question:

Suppose you are using the CropLayer to crop an image. You want that the cropping box should be randomly placed instead of putting at the center. What will you do to achieve the required objective?

Options