Chapter 14 – Assertions and Validations in Playwright
Assertions are the heart of every automated test, they determine whether your application behaves as expected. Without them, tests can interact with the UI endlessly but never verify if the …
Software Testing
Chapter 13 – Handling Downloads and File Uploads
File operations are a key part of end-to-end testing. Whether it’s uploading a document, exporting a report, or verifying that a downloaded file exists, Playwright provides robust APIs to handle …
Chapter 12 – Network Interception and Mocking
Modern web applications are powered by APIs and network requests fetching data, submitting forms, or validating users. When testing such applications, relying on live APIs can make tests slow, unreliable, …
Chapter 11 – Handling Multiple Pages, Tabs, and Frames
Modern web applications often involve multiple pages, pop-ups, or embedded frames. Whether it’s handling an OAuth login window, a payment gateway, or an embedded chat widget, understanding how to control …
Chapter 10 – Waiting and Synchronization
One of the biggest challenges in browser automation is flakiness, when tests pass sometimes and fail other times, even though nothing changed in your code. This usually happens because the …
Chapter 9 – Selectors and Locators
In the last chapter, we explored fixtures a powerful Playwright feature that simplifies setup and teardown for tests. Now that we can prepare and manage test environments efficiently, it’s time …