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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.
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Don't let this gap widen
Sans maîtrise des tests unitaires efficaces en JavaScript, 70 % des bugs passent en production, générant des pannes imprévues et une perte de confiance client.
Une seule erreur non détectée coûte en moyenne 15 000 € à une entreprise en temps de debug et correctifs d’urgence, multipliant par 3 le risque d’incidents majeurs.
Les développeurs gaspillent jusqu’à 40 % de leur temps en résolution de problèmes au lieu d’innover, menaçant leur employabilité et la compétitivité de l’équipe.
Chaque mois sans cette expertise expose votre projet à des retards critiques et des budgets qui explosent.
The Réaliser des tests unitaires efficaces en JavaScript avec Chai 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 Réaliser des tests unitaires efficaces en JavaScript avec Chai 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 Réaliser des tests unitaires efficaces en JavaScript avec Chai 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.
Historique et intérêt des tests unitaires dans le développement logiciel. Présentation du framework Chai et de son écosystème (Mocha, Node.js). Installation et configuration de Chai. Syntaxe fondamentale et philosophie du BDD/TDD. Premiers tests simples pour valider la prise en main de Chai.
Tour d’horizon des styles d’assertion Chai (should, expect, assert). Utilisation des assertions natives et création d’assertions personnalisées. Tests sur différents types de valeurs (objets, tableaux, promesses). Gestion avancée des erreurs et cas particuliers.
Organisation des fichiers de test. Mise en place de tests paramétrés et tests asynchrones (promesses, callbacks). Intégration continue et exécution automatisée. Personnalisation des rapports de test et couverture du code. Atelier pratique : mise en œuvre d’une suite de tests sur un projet JS existant.
Target audience
Développeurs web, intégrateurs, chefs de projet technique souhaitant mettre en œuvre des tests unitaires en JavaScript
Prerequisites
Connaissances fondamentales en JavaScript et en développement web
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