What is regression testing?

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Test Management tools play a critical role in software testing by organizing, controlling, and streamlining the entire testing process. Here's a breakdown of their key roles.

A unit testing tool is a software application or framework that allows developers to write, execute, and manage unit tests for their code.

Regression testing is a type of software testing that ensures that recent changes or additions to the code have not adversely affected the existing functionality of the software.

Key Points:

  • Purpose: To catch bugs that may have been introduced into previously working functionality after code changes such as bug fixes, enhancements, or integrations.

  • When It's Performed: Typically done after code updates, especially in continuous integration/continuous delivery (CI/CD) environments.

  • Scope: Can be full (testing the entire application) or partial (testing affected parts only).

Example Scenario:

If a developer fixes a bug in the payment module of an e-commerce app, regression testing would check not only that the bug is fixed but also that other parts of the payment system—and possibly the checkout flow—still work correctly.

Methods Used:

  • Manual Testing: Performed by testers following test cases.

  • Automated Testing: Often used because regression tests are repetitive and need to be run frequently.

Tools Commonly Used:

  • Selenium

  • JUnit/TestNG (Java)

  • Pay Test (Python)

  • Cypress

  • QTP/UFT

Let me know if you’d like a regression testing strategy example or tools comparison.

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