Test-Driven Development (TDD) is a software development process which includes test-first development. It means that the developer first writes a fully automated test case before writing the production code to fulfill that test and refactoring. You can also learn more about Test Data Management Tools and Best Practices in this blog. This article will cover about Test Driven Development in Big Data. Steps for the same are given below –

• Firstly, add a test.
• Run all the tests and see if any new test fails.
• Update the code to make it pass the new tests.
• Run the test again and if they fail then refactor again and repeat.

You can also explore the overview of Test and Behaviour Driven Development in this blog.

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