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Training JUnit - Mastering Advanced Unit Tests

Ref: ZWF372
10 people max.
5500€ HT / per person
−15% from 2 people−30% from 3 people−50% from 5 people
Pay in 3 installments · +$170/day onsite · +$500 with certification exam
5 journées
distanciel

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Learning objectives

  • Master advanced JUnit 5 annotations for robust professional unit tests
  • Develop parameterized and dynamic tests to optimize enterprise skills
  • Implement mocks and spies with Mockito to simulate complex dependencies
  • Design modular, certifiable test suites adapted to agile contexts
  • Optimize code coverage and test reports for effective professional training
  • Integrate JUnit into CI/CD pipelines for secure continuous delivery

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.

Allan Busi
Allan Busi

Learni Trainer · Expert

73%productivity gap
×3cost of inaction

Program

Module 1JUnit 5 Foundations: Annotations and Test Architecture (practical exercises, first scripts)

Discover JUnit 5 novelties through interactive remote workshops, set up your environment with Maven or Gradle, implement @DisplayName, @BeforeEach, and @AfterEach on concrete Java application cases, generate your first HTML reports, test advanced assertions like assertAll, and analyze common errors for immediate skill building.

Module 2Parameterized JUnit Tests: Dynamic Methods and Data Sources (deliverables: parameterized suites)

Dive into @ParameterizedTest and @MethodSource to automatically vary inputs, apply CsvSource and CsvFileSource on real datasets from an e-commerce API, debug parameterized failures in real-time, integrate custom arguments, and validate robustness through collaborative exercises, strengthening professional skills in scalable testing.

Module 3Advanced JUnit Mocking: Mockito Integration for External Dependencies (Spring Boot use cases)

Combine JUnit with Mockito to mock services and repositories, simulate asynchronous HTTP responses in a Spring project, use @MockBean and verify to control interactions, manage simulated exceptions, refactor legacy code into isolated tests, and produce coverage diagrams, illustrating concrete business benefits.

Module 4Nested and Extended JUnit Tests: Nested and Custom Extensions (JaCoCo Tools for Coverage)

Explore @Nested for hierarchical test organization, develop custom extensions with ParameterResolver, measure coverage with JaCoCo and generate SonarQube reports, apply to a banking microservice, optimize performance of large suites, and share group feedback for an immersive certifiable training.

Module 5JUnit CI/CD Integration: GitHub Actions and Jenkins Pipelines (Final Certifying Project)

Deploy your JUnit suites in automated pipelines, configure GitHub Actions to run tests in parallel, integrate Allure for visual reports, analyze flakes and coverage thresholds, complete a personal capstone project with trainer review, and receive advice for immediate enterprise production deployment.

Evaluation method

  • Daily interactive quizzes on key JUnit concepts
  • Final practical project with automated tests on a real application
  • Continuous evaluation via code reviews and coverage metrics

Learning method

  • Active pedagogy with 70% hands-on practice in remote format
  • Exercises on shared GitHub codebases for instant collaboration
  • Real-world case studies from industrial Java projects
  • Unlimited access to replays and post-training resources

Methods, materials and delivery

The Training JUnit - Mastering Advanced Unit Tests 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 JUnit - Mastering Advanced Unit Tests 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 JUnit - Mastering Advanced Unit Tests 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

4.9 · +100 verified reviews
★★★★★

« cool, j'ai appris des trucs »

TomFormation AWS — Cloud Practitioner
★★★★★

« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »

Eva CarpentierFormation LLM en Entreprise — Claude, ChatGPT, Mistral
★★★★★

« la formation dev etait intense mais grave bien. merci Anthony Khelil »

NolanDWWM - Développeur Web et Web Mobile
★★★★★

« 😊👍 »

AmbreDWWM - Développement Web & Mobile React
★★★★★

« bien 👍 »

Léo BlanchardFormation AWS — DevOps Engineer Professional
★★★★★

« Allan Busi t'es au top, continue comme ça. formation géniale »

MargotFormation Claude & ChatGPT — Comparatif et Cas d'Usage
★★★★★

« cool, j'ai appris des trucs »

TomFormation AWS — Cloud Practitioner
★★★★★

« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »

Eva CarpentierFormation LLM en Entreprise — Claude, ChatGPT, Mistral
★★★★★

« la formation dev etait intense mais grave bien. merci Anthony Khelil »

NolanDWWM - Développeur Web et Web Mobile
★★★★★

« 😊👍 »

AmbreDWWM - Développement Web & Mobile React
★★★★★

« bien 👍 »

Léo BlanchardFormation AWS — DevOps Engineer Professional
★★★★★

« Allan Busi t'es au top, continue comme ça. formation géniale »

MargotFormation Claude & ChatGPT — Comparatif et Cas d'Usage
★★★★★

« cool, j'ai appris des trucs »

TomFormation AWS — Cloud Practitioner
★★★★★

« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »

Eva CarpentierFormation LLM en Entreprise — Claude, ChatGPT, Mistral
★★★★★

« la formation dev etait intense mais grave bien. merci Anthony Khelil »

NolanDWWM - Développeur Web et Web Mobile
★★★★★

« 😊👍 »

AmbreDWWM - Développement Web & Mobile React
★★★★★

« bien 👍 »

Léo BlanchardFormation AWS — DevOps Engineer Professional
★★★★★

« Allan Busi t'es au top, continue comme ça. formation géniale »

MargotFormation Claude & ChatGPT — Comparatif et Cas d'Usage
Read all reviews
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.

Step 1

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.
Step 2

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.
Step 3

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.
Step 4

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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