Learn about important Agile technical practices like spikes, test-driven development, continuous delivery, and behavior-driven development and when to apply them.
Table of Contents
Question
Drag the technical practices on the left to the scenario on the right.
Technical Practice:
- Spikes
- Test-Driven Development (TDD)
- Continuous Delivery
- Behavior-Driven Development
Scenario
- The team builds the demo first and add features to the initial product.
- The team knows the acceptance criteria and needs to work backward.
- The business analyst has written use cases before the sprints started.
- The team needs to investigate a new approach.
Answer
Spikes: The team needs to investigate a new approach.
Test-Driven Development (TDD): The team builds the demo first and add features to the initial product.
Continuous Delivery: The team knows the acceptance criteria and needs to work backward.
Behavior-Driven Development: The business analyst has written use cases before the sprints started.
Explanation
Spikes are used when the team needs to investigate a new approach. Spikes allow the team to spend a short time researching and prototyping to determine the feasibility and effort required for a new technical direction.
Test-Driven Development (TDD) is the practice of writing tests before writing the actual code. The team builds a simple demo or prototype first and then incrementally adds features, driven by the pre-written tests. TDD ensures the code is testable and meets requirements.
Continuous Delivery means the team keeps the product in a releasable state and can deploy new versions frequently, often automatically. This allows faster time-to-market and incorporation of user feedback. The team needs well-defined acceptance criteria to implement continuous delivery effectively.
In Behavior-Driven Development, the business analyst writes use cases before development begins to capture the expected behaviors of the system from a user perspective. The team then works backward from these use cases to implement the behaviors in the product. This keeps development aligned with business and user needs.
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