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.
Learning objectives
- Master advanced Testing Library queries to effectively test complex accounting interfaces
- Develop robust end-to-end tests tailored to corporate financial dashboards
- Optimize mocks and user events to simulate realistic professional scenarios
- Implement asynchronous testing strategies for budget management applications
- Design accessible and performant certifying tests for accounting software
- Acquire professional skills in advanced debugging with Testing Library
The Learni story
Founded by passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.
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 1Testing Library: Advanced Queries and Selectors for Financial Components (React Testing Library, user queries)
Discover advanced byRole and byText queries in Testing Library to precisely target elements in accounting interfaces, practice exercises on budget dashboards with simulations of real financial data, configure custom renderers adapted to UI libraries like Material-UI used in finance, produce reliable tests detecting accounting input errors, integrate ARIA assertions for accessibility of financial reports.
Module 2Testing Library: Mocking and User Events for Complex Interactions (msw, fireEvent)
Dive into advanced mocking with MSW to simulate external accounting service APIs, perform user interaction tests on accounting closing forms via userEvent, analyze concrete cases of financial validation errors, generate snapshots of reporting components, optimize test performance for large enterprise data volumes, validate deliverables like test suites ready for CI/CD in professional environments.
Module 3Testing Library: Asynchronous Tests and Waiting for Financial Flows (waitFor, findBy)
Master waitFor and findBy in Testing Library to handle asynchronous loading in budget forecasting apps, test API request scenarios to accounting ERPs with realistic delays, practice on management control use cases like automated bank reconciliation, debug common race conditions in finance, produce resilient tests against data fluctuations, integrate patterns for e2e tests on multi-step corporate workflows.
Module 4Testing Library: Integration and Advanced Debugging for Accounting Apps (debug, coverage)
Integrate Testing Library with Jest for optimal coverage on critical financial code, use the debug tool to inspect rendered DOM in balance sheet tests, analyze and fix memory leaks in large test suites, apply best practices for refactoring legacy tests in enterprise context, generate quantified coverage reports for internal audits, prepare secure deployments with certifying automated tests.
Module 5Testing Library: Best Practices and CI/CD for Financial Production (playwright, github actions)
Synthesize Testing Library best practices for production environments in finance, integrate into CI/CD pipelines with GitHub Actions and Playwright for visual tests of accounting reports, review real projects of management control apps, customize configurations for multidisciplinary teams, produce an advanced tests portfolio as final deliverable, obtain professional testing skills certification for career enhancement.
Evaluation method
- Technical quizzes and MCQs on advanced queries and mocks
- Practical hands-on scenarios on real financial cases
- Final project: complete test suite for accounting app
- Continuous evaluation by Qualiopi-certified trainer
Learning method
- 70% hands-on practice on exercises and concrete projects
- 30% theory with enterprise experience feedback
- Agile methods adapted to finance IT teams
- Post-training digital support for review
Methods, materials and delivery
The Training Testing Library - Advanced Tests for Financial Apps program is delivered onsite or remote (blended-learning, e-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 Testing Library - Advanced Tests for Financial 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 Testing Library - Advanced Tests for Financial 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
Learni programs are available inter-company and intra-company, onsite or remote. Enrollments are possible up to 48 business hours before the program starts. Our programs are eligible for corporate funding paths. Contact us to discuss your training project and funding options.
Verified reviews
What our learners
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
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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