Loading...
Please wait a moment
Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
Which format do you prefer?
30 free minutes with a training advisor — no commitment.
Loading available slots...
Professional Training training in Memphis in October 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Artificial Intelligence training in San Francisco in October 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Artificial Intelligence training in Raleigh in June 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Step-by-step guide to mastering digital project management skills through Learni's bootcamp launching in April 2026, including enrollment tips, curriculum details, and career prospects.
Don't let this gap widen
Without Vitest, 68% of developers lose 25% of their time manually hunting bugs (Stack Overflow 2023 survey).
Your deployments risk production crashes, frustrating 40% of end users and costing up to 10k€ per major incident.
Absent tests lead to average project delays of 2 weeks, eroding client trust.
Master Vitest to detect 85% of errors upstream, accelerate iterations x3, secure your Vite apps, and boost productivity starting tomorrow.
The Training Vitest - Ultra-Fast Unit Tests for Vite training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Training Vitest - Ultra-Fast Unit Tests for Vite training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Training Vitest - Ultra-Fast Unit Tests for Vite training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Dive into Vitest by installing the tool via npm on a real Vite project, configure vite.config.js for seamless integration, write your first unit tests with describe, it and expect, test pure functions and React components through practical exercises, manage mocks for external APIs and spies for methods, run in watch mode for instant feedback, generate coverage reports, and produce a portfolio-ready deliverable of functional tests ready to deploy.
Target audience
JavaScript developers, frontend engineers seeking to upskill in modern automated testing.
Prerequisites
JavaScript ES6+ basics, knowledge of Vite, Node.js installed.
Loading...
Please wait a moment





























