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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.
10 spots per session maximum — 9 already taken
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30 free minutes with a training advisor — no commitment.
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Don't let this gap widen
Without mastering XCTest, iOS teams ship apps with undetected bugs, where 68% of crashes trace back to inadequate unit testing.
This triggers production incidents costing an average of $85,000 per major release in emergency fixes, downtime, and lost user trust.
Companies suffer App Store rejections, 30% higher churn rates, and stalled projects, while developers face career stagnation amid rising demands for reliable code.
Every month without these skills, vulnerabilities compound, eroding competitive edge.
The Training XCTest - Mastering iOS Unit Testing 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 Training XCTest - Mastering iOS Unit Testing 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 Training XCTest - Mastering iOS Unit Testing 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.
Xcode and XCTest installation. Creating the first unit test. Understanding XCTestCase and XCTestSuite. Writing simple tests with XCTAssert. Managing fixtures and setUp/tearDown. Practical exercises on concrete iOS cases. Setting up the red thread project: basic mobile app. Testing UIViewController views. Continuous integration with Xcode. Hands-on practice with common errors. Debugging failed tests.
Implementing mocks and stubs in XCTest. Asynchronous tests with XCTestExpectation. Error handling and performance with XCPerformanceTest. UI tests with XCUIApplication. Code coverage via Xcode. Professional exercises on simulated network APIs. Red thread project: backend service tests. Advanced assertions with XCTAssertThrows. Dependency injection patterns. Real enterprise cases: iOS e-commerce apps. Test speed optimization. TDD best practices. Integrating XCTest into DevOps workflows.
Strategies for organizing XCTest suites. CI/CD integration with Jenkins/GitHub Actions. Quality measurement via coverage reports. Refactoring legacy tests. Complete red thread project: fully tested iOS app. Project presentation and code review. Exercises on end-to-end tests. Complementary tools like XCUITest. Managing flaky tests. Scalable enterprise best practices. Deploying automated tests. Skill certification via quiz. Post-training support resources.
Target audience
Junior iOS developers, QA testers, and quality engineers seeking to build skills in unit testing
Prerequisites
Basic knowledge of Swift and using Xcode for iOS development
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