Is the training Qualiopi certified?

Yes, Learni is a Qualiopi-certified training organization. This certification guarantees the quality of our courses and enables funding through OPCO and other mechanisms.

How can I fund my training?

Our courses are eligible for OPCO funding. Learni supports you through the funding process. A personalized quote is available upon request.

What are the prerequisites for this training?

The prerequisites for the Maîtriser Testing Library pour des Tests Efficaces sur Applications React training are: Connaissance de base de React et de JavaScript. A preliminary interview validates your eligibility.

Is the training available in person?

Yes, the Maîtriser Testing Library pour des Tests Efficaces sur Applications React training is available in distanciel. The format can be adapted to your needs (inter, intra, custom).

Maîtriser Testing Library pour des Tests Efficac... | Learni

The story of Learni

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.

Configure your training

Response within 24hNo commitment100% free

8 spots remaining for the next session

FormatParticipantsDateDetails

Which format do you prefer?

Methods, approaches, and teaching resources

The Maîtriser Testing Library pour des Tests Efficaces sur Applications React 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.

Teaching resources provided

To ensure the quality of the Maîtriser Testing Library pour des Tests Efficaces sur Applications React training, Learni provides the following teaching resources:

Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, video projector or interactive touchscreen (for remote sessions)
Training environments installed on workstations or accessible online
Course materials, practical exercises, and supplementary resources
Post-training access to materials and 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.

* contact us for remote feasibility** ratio varies depending on the training followed

Assessment methods

The assessment of skills acquired during the Maîtriser Testing Library pour des Tests Efficaces sur Applications React training is carried out through:

During training: case studies, practical exercises, and professional scenarios
At the end of training: self-assessment questionnaire and skills evaluation by the trainer
After training: training completion certificate detailing acquired skills

Training accessibility

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.

Training objectives

Comprendre le rôle et les avantages de Testing Library

Écrire des tests accessibles et robustes pour les composants React

Tirer profit des meilleures pratiques de Testing Library

Maitriser les techniques d’organisation et de maintenance des suites de tests

Déceler les anti-patterns et les éviter dans vos tests

Automatiser l’exécution des tests dans une CI/CD

Training program

Module 1Fondamentaux du Test Unitaire avec Testing Library

Introduction aux tests : Pourquoi tester ? Différences entre Jest et Testing Library. Mise en place d’un projet React avec Testing Library. Prise en main de la philosophie Testing Library : tester comme un utilisateur. Premiers tests – rendering, recherches d’éléments, interactions simples. Bonnes pratiques d’accès aux éléments (Role, Text, Placeholder, etc.). Introduction à la gestion des événements (onClick, onChange) dans les tests.

Module 2Tests Avancés et Gestion des Cas Complexes

Tests sur des formulaires, gestion des inputs, validation UX. Tests asynchrones : attendre des mises à jour, gestion de fetch/api mockées (MSW). Test des composants ayant une logique complexe (contexte, hooks, providers). Utilisation avancée des queries (getBy, findBy, queryBy, etc). Organisation des suites de tests, refactorisation, gestion de la duplication. Gestion des side-effects, nettoyage du DOM entre les tests.

Module 3Qualité, Maintenance et Intégration dans le Processus de Développement

Rendre les tests robustes face aux changements. Stratégies de maintenance à long terme : structuration des fichiers, facturation helpers/mocks. Détection et évitement des anti-patterns courants (over-mocking, tests fragiles…). Mesure de la couverture de tests, outils de reporting. Intégration continue : automatiser l’exécution avec GitHub Actions/GitLab. Retours d’expérience et études de cas. Atelier pratique : audit, écriture et refactorisation guidée de tests sur un projet React existant.