Locator-based vs vision-based mobile app testing
Article summary
Quick briefing — cleaned from the original RSS feed
When a test needs to tap a button, it has to find the button first. There are two ways to do that. It can ask the app for its element tree and look the button up there. Or it can take a screenshot and look at it. Until a few years ago, only the first one worked. Why locator-based test automation won Selenium came out in 2004. It was built for the web, where the DOM is the page: a button is an element, it has an id, you look it up and click it. Mobile app testing copied this model. Appium runs…
1Key Takeaways
- When a test needs to tap a button, it has to find the button first.
- It can ask the app for its element tree and look the button up there.
- Or it can take a screenshot and look at it.
- Until a few years ago, only the first one worked.
2AIWedia Score
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3Why it matters
Coding AI shifts how fast software ships and how much human review each change needs. DEV — AI reports that when a test needs to tap a button, it has to find the button first.
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