A Test Case is like a detailed recipe that quality assurance professionals use to check if software works correctly. It's a step-by-step guide that describes what to test, how to test it, and what results to expect. Think of it as a checklist that helps testers consistently verify that different parts of a program or website function properly. For example, a test case might outline how to check if a login form works, including what happens when you enter correct and incorrect passwords. These documents are essential for maintaining software quality and preventing bugs from reaching users.
Created over 500 Test Cases for a new mobile banking application
Automated 200+ Test Cases using Selenium, improving testing efficiency by 40%
Managed and updated Test Cases documentation for enterprise software products
Typical job title: "QA Testers"
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Q: How do you manage and organize test cases for large projects?
Expected Answer: A senior QA should discuss test case management systems, prioritization strategies, maintaining test case documentation, and how to organize test suites for different project phases and features.
Q: How do you decide which test cases should be automated versus manually tested?
Expected Answer: Should explain criteria for automation decisions, including frequency of test execution, stability of features, and resource constraints, with examples from past experience.
Q: What elements should a good test case include?
Expected Answer: Should mention test case ID, description, prerequisites, test steps, expected results, actual results, and pass/fail status, explaining why each element is important.
Q: How do you handle test case maintenance when software requirements change?
Expected Answer: Should discuss version control of test cases, impact analysis, updating affected test cases, and communication with development team.
Q: What is the difference between positive and negative test cases?
Expected Answer: Should explain that positive test cases verify if software works with valid inputs, while negative test cases check how software handles invalid inputs or error conditions.
Q: How do you write a basic test case?
Expected Answer: Should be able to describe the basic format: preconditions, steps to follow, expected results, and how to mark pass/fail status.