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TDD vs. BDD: Definitions, Features, and Differences
TDD and BDD stand for test-driven development and behavior-driven development, respectively. The first method is based on preliminary testing of each function, and the second on a user interaction scenario. It sounds complicated, but in practice, they are similar. The essence of each method is writing cases and scenarios before work begins. However, if TDD requires developer’s activities only, then in BDD, all the project participants are involved: the developer, the customer, and QA specialists. These are integral components of the Agile methodology that optimize development and speed it up. Logically, it should be exactly the opposite because documentation and the initial creation of test cases supplement the classical process. Let’s visually compare the differences between these types of work on an IT product.Test-driven development vs. behavior-driven development: difference table
According to CapGemini, 63% of businesses are interested in improving the quality of customer experience through their IT solutions. Trends of 2021-2022 dictate game rules for companies providing services to consumers. In turn, customers require software developers to optimize apps to meet the high standards of today’s market. This is where BDD and TDD come to the rescue. Both types aim to improve the user experience, but each goes to the goal in its own way. Differences between these approaches: