TDD (Test-Driven Development) and BDD (Behavior-Driven Development) are both Agile software development methodologies that aim to improve software quality and reduce defects. The main difference between TDD and BDD is that TDD focuses on testing the code, while BDD focuses on testing the behavior of the system.
In TDD, developers write automated tests before writing the code, and the tests are used to guide the development process. In BDD, stakeholders define the behavior of the system using scenarios and acceptance criteria, and developers write code to automate those scenarios.
Another key difference between TDD and BDD is that BDD scenarios are written in a human-readable format (Gherkin), which can be easily understood by business stakeholders, while TDD tests are written in a programming language and may be less accessible to non-technical stakeholders.
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