Playwright Visual Comparisons | Playwright part - 28
The visual comparison is really a great feature.
- 00:00 Introduction to visual comparison feature
- 00:30 Explanation of how visual comparison works
- 02:21 Demonstration of taking and comparing screenshots
- 04:16 Showing the difference between expected and actual screenshots
- 06:28 Updating reference screenshot
- 06:58 Conclusion and importance of visual comparison feature
The video is a tutorial on the visual comparison feature in Playwright test runner. The presenter explains how to use the feature to compare screenshots and identify differences between them. He demonstrates how to write a test case using the Playwright test library and the expect and test functions. He shows how to take a screenshot of a webpage using the page.screenshot function and save it with a specific file name. He then uses the toMatchSnapshot function to compare the screenshot with a reference image. The presenter discusses how subsequent runs of the test will compare the newly taken screenshot with the reference image. He also explains the process of updating the reference image if the content of the webpage changes. The video highlights the capabilities of the visual comparison feature and its usefulness in UI testing.
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