How to write a test case: elements, an example and techniques
What a good test case is made of and how to choose its data, so that a few tests check more than dozens of random ones.
· 8 min readSoftware testing guides
TestLine guides are practical tips for teams that want to test better and for people starting out in QA: from testing basics and interview questions to API testing and regression automation in CI.
50 QA tester interview questions with answers
Questions that come up in QA tester interviews, from theory to test strategy. With short answers and tips on how to go beyond the textbook definition.
· 18 min readAPI testing basics: requests, status codes and Postman
What an API is, how to read requests and responses and how to write your first tests in Postman, using a public practice API.
· 9 min readFirst steps in test automation: tools, locators and waiting
Where to start with test automation, how to write your first Playwright test and why locators and waiting decide whether your tests will be stable.
· 8 min readTesting theory in a nutshell: principles, test levels and test types
The key concepts from the ISTQB Foundation Level syllabus, explained with examples from a tester's everyday work.
· 8 min readWhat does a software tester do, and how to get started
What a tester's day-to-day work looks like, what to learn first and how to show it in an interview before you have any experience.
· 7 min readHow to report defects so developers have no questions
What to put in a report so it can be reproduced and fixed without any follow-up.
· 6 min readYour first performance test in JMeter
How to set a test goal, build a load model and read the results without staring at the average.
· 7 min readRegression in CI: what to run and when
How to split tests into smoke and full regression so the pipeline stays fast and the results stay credible.
· 6 min readHow to start regression automation in Playwright
Which scenario to start with, how to structure the project and when to plug the tests into CI.
· 9 min readAPI contract testing: where to start
How a contract test differs from an integration test and how to validate a JSON schema.
· 7 min readA test plan before your mobile app's first release
Devices, OS versions, permissions and offline scenarios worth checking.
· 11 min readGot a release in a few weeks?
Describe your project in the form. I'll reply with questions about scope or an initial test plan.