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Test Driven Development (TDD) in Java
Test-driven development is one of the key enablers for agile development, that allows us to develop stable and refactorable code, whose intent is clear and whose design can evolve incrementally. TDD allows us to capture and validate the rules governing the behaviour of our code. There's a bunch of interesting tools available to assist us in developing robust tests, in identifying which tests to write, to help us compose tests and to automatically run our tests.
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The training course combines lectures with practical exercises that help the delegates to put what they have learned on the training course into practice. The exercises specifically build on what has been recently taught and are built up as the training course progresses.
This training course is aimed at Java developers and analysts, typically in the context of adopting agile development practices.
- Use the JUnit and mocking libraries to write tests
- Run tests from an IDE and from Maven build scripts
- Apply patterns and practices for writing testable code
- Extend the scope of tests into analysis, design and documentation
- Use tests to communicate with the customer
TDD offers a wealth of benefits to your organisation, it can cut development costs for example. Shorten the development Time to Market and increase the programmer’s productivity. As well as encouraging the writing of quality code.
TDD has many benefits but it can be hard to learn alone. This course will help you write effective, organized and neat code that works. It will teach you how to shorten the development feedback time and provide proof that your software code works as intended.
- Why test-driven development?
- Is TDD necessary?
- TDD is about...
- red/green/refactor
- Separating code from tests
- Package structures
- JUnit 4 basics
- Assertions
- JUnit setup/teardown
- Exceptions
- Base test classes
- Matchers
- Naming / Organization
- Implementation strategies
- Exploring APIs
- Parameterized test runners
- Equals and value objects
- Seams and sensing
- Seam types
- Inheritance
- Singletons and Statics
- Dependency injection
- Test double taxonomy
- Stubs
- Fakes
- Mocks
- Mocking Libraries such as Mockito and PowerMock
- Setting Expectations and Verifying Interactions
- Mocking Gotchas
- Testing Legacy Code
- Showing the Call Hierarchy
- Generating Documentation from Tests
- Parsing the Test Source Code
- Transcripts
- Fluent Interfaces
- Test Suites
- Explicitly-built Test Suites
- Implicitly-built Test Suites
- Filtering and Sorting
- Ordering
- Relationship to Other Agile Practices
- Closing Discussion
- Making the Context Concrete
- One-time Setup for Classes
- One-time Setup for Suites
- Fixtures and Superclasses
- Object Mothers
- Fixtures as Objects
- Data-driven Fixtures
- Using Databases
- Testing Database Code
- Tests vs Theories
- Triangulating Tests
- Parameter Suppliers
- Assumptions
- The Trouble with TDD
- Behaviour Driven Design using jBehave
- Customer Acceptance Testing using Concordion
- Cost of Change Over Time
- Code Analysis Taxonomy and Tools
- Code Audits
- Visualizers
- Code Metrics
- Cyclomatic Complexity
- Code Coverage
- Panopticode
Delegates should have some appreciation fo rthe issues involved in building large-scale applications. Delegates should also have a development background.
About the Lead Trainer
Our Agile ‘evangelist’, it’s safe to say that Howie lives and breathes an Agile life. Never to be seen without a pack of post it notes and a sharpie pen in his back pocket, Howie coaches and trains our customers by sharing his passion for more efficient ways of working.
