Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Trusted by — schools, companies and industrial groups
Learning objectives
- Understand the fundamental concepts of unit testing and Test-Driven Development (TDD)
- Install and configure Vitest in a Node.js or front-end environment (Vite, Vue, React)
- Write, organize, and execute robust unit tests with Vitest
- Use Vitest's advanced features (mocks, coverage, snapshots, testing asynchronous code)
- Integrate Vitest into the CI/CD workflow to ensure code quality
- Diagnose and fix bugs more effectively thanks to automated tests
Our social commitment
A school kit donated to a child for every training
To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
- Backpack, notebooks and essential supplies
- Distributed through our partner charities
- Included, at no extra cost to you
The Learni story
Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.
Don't let this gap widen
Why this program matters
Without this upskilling, your team accumulates a technological gap that translates directly into productivity loss.
Organizations that don't train their talents on key topics see their competitiveness drop.
Every quarter without training is a gap widening with competitors who invest.
The cost of inaction quickly exceeds that of well-targeted training.
Program
Module 1Introduction to Unit Testing and Discovery of Vitest
Fundamentals of testing (TDD, BDD, types of tests). Presentation of Vitest, differences with Jest and Mocha. Installation and configuration in a project. Structure of a Vitest test suite.
Module 2Writing and Managing Tests with Vitest
Writing simple and complex test cases. Using describe, it, beforeEach, afterEach. Organizing test files. First steps in writing asynchronous tests. Using assertions. Using mocks to isolate code.
Module 3Advanced Features and Continuous Integration
Code coverage management. Snapshots. Advanced spies and mocks. Using Vitest plugins. Running tests in watch mode, parallelization. Integrating Vitest into CI/CD pipelines. Best practices for maintainable and testable codebases.
Evaluation method
- Multiple-choice quiz on JavaScript testing best practices
- Design of a test suite on a mini ongoing project at the end of the training
Learning method
- Practical workshops in each module (80% practice / 20% theory)
- Group corrections and exchange sessions
- Detailed course materials (PDF, sample source code)
- Access to a dedicated GitHub repository to practice between sessions
Methods, materials and delivery
The Training: Mastering JavaScript Unit Tests with Vitest: Complete Training program is delivered onsite or remote (blended-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
Equipment required
For the smooth delivery of the Training: Mastering JavaScript Unit Tests with Vitest: Complete Training program, the following equipment is required:
- Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
- Training environments installed on workstations or accessible online
- Course materials, hands-on exercises and complementary resources
- Post-training access to materials and educational resources
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
* contact us for remote delivery feasibility** ratio varies depending on the program
Skills assessment methods
Assessment of skills acquired during the Training: Mastering JavaScript Unit Tests with Vitest: Complete Training program is performed through:
- During training: case studies, hands-on labs and professional scenarios
- End of training: self-assessment questionnaire and skills evaluation by the trainer
- After training: completion certificate detailing acquired skills
Program accessibility
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Enrollment terms and lead times
Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.
Our method
Training quality, guaranteed at every step
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
You meet the trainer beforehand
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
- Live briefing on goals and team context.
- Veto right — we swap the trainer for free if needed.
Content tailored to your context
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
- Hands-on cases drawn from your stack and projects.
- Program co-written then validated by your team.
Continuous quality follow-up
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
- NPS, knowledge quizzes and skills self-assessment.
- Satisfaction guarantee: fully satisfied or free rework.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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FAQ
Frequently asked questions
How much does the Training: Mastering JavaScript Unit Tests with Vitest: Complete Training training cost?+
The individual price is $2,310, and the team / on-site price is $4,043 (USD). A detailed quote is sent within one business day.
How long is the Training: Mastering JavaScript Unit Tests with Vitest: Complete Training training?+
The training lasts 2 journées, available live online (US time zones) or on-site at your offices.
How is this training paid for?+
Most US teams pay directly through their company (L&D or training budget). We invoice in US dollars and accept bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.
Are there any prerequisites?+
Master the basics of JavaScript (ES6) and Node.js project management (npm/yarn).
Is a certificate delivered at the end?+
Yes. A Learni completion certificate is issued, along with the individual evaluation report.
Does Learni provide the equipment?+
No. A computer and stable internet connection are required for the participant. Learni provides the educational platform, the trainer and all course materials.
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