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.
Training Vitest - Effectively Test Your Modern JS Apps
Trusted by — schools, companies and industrial groups
40,842 programs · 25 countries
Every program built with a dedicated engineer
Companies: Aptar, ArcelorMittal, Equans, EDF, Ubisoft and Microsoft.
Vitest training objectives
- Master Vitest fundamentals for fast, professional tests
- Develop reliable unit tests in enterprise projects
- Implement mocks and spies to simulate complex dependencies
- Design test suites covering 80% of code in real-world conditions
- Optimize Vitest tests for certifying CI/CD integration
- Acquire debugging and coverage skills for scalable apps
Vitest curriculum: 5 modules over 5 days
Module 1 : Vitest Fundamentals: Installation and First Unit Test (Vite, Node.js, assertions)
Immersive introduction to Vitest through rapid installation in a Vite project, professional test environment setup, writing your first unit test with expect and native matchers, exploration of watch and coverage modes for instant feedback, practical exercises on simple JavaScript functions with immediate validation by the trainer, production of a basic test report ready for enterprise use.
Module 2 : Vitest Unit Tests: Components and Hooks (React Testing Library, userEvent)
Deep dive into testing React components with Vitest and RTL, simulating user interactions via userEvent for realistic clicks and inputs, managing local states and dynamic props in concrete business scenarios, refactoring existing code for optimal coverage, collaborative workshops on mini ongoing projects, generating visual snapshots to validate UI renders, all to enhance your skills in maintainable testing.
Module 3 : Vitest Mocks and Spies: API and Dependency Simulation (vi.mock, jest.fn)
Master Vitest mocks to isolate tests from external APIs and databases, creating spies to track critical function calls, simulating varied HTTP responses with MSW for realistic edge cases, exercises on connected e-commerce apps, interactive debugging of memory leaks from poorly managed mocks, delivery of a 100% autonomous mocked test suite, directly boosting your team productivity.
Module 4 : Vitest Integration Tests: Full Flows and Coverage (Playwright, Istanbul)
Building end-to-end integration tests with Vitest and Playwright to validate complex user journeys, precise code coverage measurement via Istanbul to target critical areas, optimizing suites for runs under 5 seconds, practical cases on enterprise dashboards with authentication, refactoring workshops to achieve 90% coverage, production of an automated GitHub badge, turning your tests into a deployment certification asset.
Module 5 : Advanced Vitest: CI/CD and Best Practices (GitHub Actions, parallelization)
Integrating Vitest into CI/CD pipelines via GitHub Actions for ultra-fast parallel tests, applying best practices for resilient production tests, advanced configuration of parallelization and caching, simulating cloud deployments with real errors, finalizing the ongoing project with an executive report, collective code review session by the expert trainer, leaving with a professional test portfolio ready for enterprise integration.
How Vitest skills are assessed
- Multiple-choice quiz to validate learning outcomes at the end of the training
- Continuous assessment through practical exercises
- Defense of the ongoing project in front of the trainer
How the Vitest course is taught
- Instructor-led sessions by an active expert trainer
- Practical exercises based on real business cases
- Progressive ongoing project throughout the training
- Complete course materials provided to each participant
Vitest training: access and practical arrangements
The Training Vitest - Effectively Test Your Modern JS Apps 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 Vitest - Effectively Test Your Modern JS Apps 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 Vitest - Effectively Test Your Modern JS Apps 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.
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.
Our method
How Learni guarantees the quality of your Vitest training
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.
Our social commitment
A school kit donated to a child for every training booked
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
FAQ
Vitest: frequently asked questions
Which tools are used in Vitest training?+
Hands-on work runs on vite, node.js, assertions, react Testing Library, userEvent and vi.mock. Those tools come from the Vitest program itself, delivered on site over 5 days, so participants practise on the stack they will use at work.
What can participants do after Vitest training?+
They can master Vitest fundamentals for fast, professional tests, develop reliable unit tests in enterprise projects and implement mocks and spies to simulate complex dependencies. Those are the stated objectives of the Vitest program at Beginner level, checked by the end-of-session assessment.
What does the Vitest program cover, day by day?+
Day 1: Vitest Fundamentals: Installation and First Unit Test (Vite, Node.js, assertions). Day 2: Vitest Unit Tests: Components and Hooks (React Testing Library, userEvent). Day 3: Vitest Mocks and Spies: API and Dependency Simulation (vi.mock, jest.fn). Day 4: Vitest Integration Tests: Full Flows and Coverage (Playwright, Istanbul). Day 5: Advanced Vitest: CI/CD and Best Practices (GitHub Actions, parallelization). The Vitest program runs over 5 days, delivered on site.
How is Vitest training assessed?+
Assessment relies on multiple-choice quiz to validate learning outcomes at the end of the training, continuous assessment through practical exercises and defense of the ongoing project in front of the trainer. Learni issues a completion certificate together with the individual assessment report at the end of the Vitest program, which an L&D team can file as evidence.
How much does Vitest training cost per participant?+
Vitest training costs $5,775 per participant. For an in-company team, the flat rate starts at $10,395 for the whole group, up to 8 people. The detailed quote, sent within one business day, adjusts the amount to the format and how far the syllabus is tailored to your team.
How long does Vitest training take?+
5 days, available live online (US time zones) or on-site at your offices. Half-day tracks spread over several weeks are possible so the team stays operational.
Who pays for Vitest training?+
Most US teams pay directly through their company L&D or training budget. Learni invoices in US dollars and accepts bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.
What do participants need to know before Vitest training?+
Basics in JavaScript ES6+, Node.js, and a framework like Vite or React.
Is a certificate issued after Vitest training?+
Yes. A Learni completion certificate is issued, along with the individual evaluation report. Learni is a certified training provider and prepares for third-party certifications, but does not award them itself.
Does Learni provide the equipment for Vitest training?+
No. A computer and a stable internet connection are required for each participant. Learni provides the learning platform, the trainer and all course materials.
Your professional training, anywhere
Let's build your Vitest learning path.
30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.
Reply within 24h · Vetted experts · USD invoicing · W-9 available
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