JUnit and Spock frameworks are used in the examples however this knowledge is easily applicable to other testing libraries. During the course, attendees will learn about the challenges with maintaining a huge number of tests in a project, and how to avoid usual pitfalls related to that.

Target audience: Developers, Team Leads, Architects

Day 1.

• Introduction
  • Why do we need tests?
  • Unit, integration, contract, and end-to-end tests
  • Inverted test pyramid
  • TDD/BDD
• JUnit
  • Features and examples
  • When to use JUnit 
• Spock
  • Features and examples
  • Comparison to other Java testing libraries
  • Killer features
  • Parameterized tests
• Properly written (unit) tests
  • Good unit tests
  • Code smells in unit tests
  • Patterns

Day 2.

• Integration tests (with examples in Spring Boot)
  • Why do we need integration tests?
  • Different flavours of integration tests
  • Setup for integration tests
    • Testing integration with database
    • Testing application services
    • Testing REST
    • Testing communication with external services

Day 3. 

• Tests Maintenance
  • Challenges with maintaining a big number of tests
  • Readable and maintainable big suites of tests
  • Keeping test code base clean
• Property-based testing
• Mutation testing 
  • How to ensure your tests are good
  • Pitest and mutation tests
• Other Testing tools

Format: 60% workshop / 40% lecture

Prerequisites

• Some experience in Java that allows you to understand and write Java code
• Experience in Spring Boot can be a plus because part of the course is dedicated to integration tests based on Spring Boot
• Basic knowledge of Git/Intellij IDEA

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9 Kurs i Programvare testing