Topic
10 articles tagged “tutorial”.
The four black-box techniques in the ISTQB Foundation syllabus, applied to one checkout on this site's practice shop, with every result checked by a test. Each technique asks a different question, and the state transition model found something none of the others could: a URL that skips the details form.
test cases · tutorial · manual testing
8 MIN
A catalogue of API test cases where every case was sent to a real API. 34 requests to Restful Booker, grouped by endpoint, with what a well-behaved API should return and what this one did, followed by a Playwright spec that checks the contract and records the known defects.
api testing · test cases · playwright
12 MIN
Updated
Should you use page objects, fixtures, or plain hooks in Playwright? We wrote the same three Sauce Demo tests all three ways, ran them, and measured the differences: how much code each needs, how many places a locator lives, where a failure points when a locator breaks, and what a beforeEach does to a test that doesn't need it.
playwright · automation · tutorial
8 MIN
A hands-on guide to checking a database the way a tester checks a screen. Load a small shop database with seeded data bugs, write a query that returns the rows breaking each rule, and see why the first version of each query often finds nothing.
sql · test data · tutorial
8 MIN
A login page test case list where every case was run. 22 cases against Sauce Demo, grouped by what they protect, with the error text the site actually showed, the cases a practice site can't answer, and a data-driven Playwright spec with its real output.
test cases · playwright · tutorial
11 MIN
Updated
A hands-on introduction to accessibility testing. Scan a page with axe, read a violation properly, see the same bug in the accessibility tree and in your locators, then find out why a keyboard pass misses it entirely. Includes an exercise with an answer key.
accessibility · playwright · automation
9 MIN
A hands-on introduction to load testing with k6. Start a tiny shop API locally, check it works for one user, prove it meets a response-time goal under steady load, then add users until it doesn't. Includes an exercise with an answer key.
performance testing · k6 · api testing
15 MIN
A file-by-file look at what Playwright's planner, generator, and healer agents are allowed to do, plus the review rules we recommend before letting a healer edit your tests.
playwright · ai · automation
6 MIN
A complete, working Selenium WebDriver project: Maven dependencies, a page object, explicit waits, JUnit tests, and a troubleshooting section built from errors we hit while running it.
selenium · automation · java
7 MIN
Updated
Create a Playwright project, write login and checkout tests for a real demo shop, see what a failing assertion looks like, and use fixtures and the trace viewer. Copy the code and it runs.
playwright · automation · javascript
8 MIN
Updated