英文:
What is the safest way to click on an element in Playwright?
问题
我需要使用Playwright for Python点击一个对象！有时元素的CSS会发生变化，或者它没有ID。我通常使用page.click(XPATH)，但我知道还有很多其他方法，比如：
1 - page.get_by_text("Get Started").click()
2 - page.get_by_role("button", name="Submit").click()
3 - page.get_by_selector("#login-button").click()
4 - page.get_by_selector("//div[@class='user-agent']").click()
5 - locator = page.locator(".user-agent") locator.click()
哪种方法成功的可能性最高？
英文:
I need to click on an object using Playwright for Python! Sometimes the element's CSS changes, or it doesn't have an ID. I usually use
page.click(XPATH), But I know there are many other ways like:
1 - page.get_by_text("Get Started").click()
2 - page.get_by_role("button", name="Submit").click()
3 - page.get_by_selector("#login-button").click()
4 - page.get_by_selector("//div[@class='user-agent']").click()
5 - locator = page.locator(".user-agent")
locator.click()
Which has the highest probability of success?
答案1
得分: 1
Playwright提供了一些建议：https://playwright.dev/docs/best-practices#best-practices（这些建议适用于Node.js文档，但在Python中的信息相同）。就个人而言，我同意这些建议：编写基于用户可见内容的测试（使用get_by_text、get_by_role），依赖于css/xpath等内容的测试更容易出现不稳定性。
英文:
Playwright has written som good advices: https://playwright.dev/docs/best-practices#best-practices (they are in the node.js docs, but the message is the same with Python). Personally, I agree with them: Write test based on whats visible to the user (get_by_text, get_by_role), tests depending on css/xpath etc. is more prone to flakiness.
答案2
得分: 0
如果ID不可用，我倾向于选择第二个选项，因为它具备以下特点：
-
独特：通常页面上只有一个提交按钮。
-
组合：两个属性不太可能同时更改。
我认为一个定位器中最理想的特点是 - 同时具备刚性和灵活性，而第二个选项具备这一特点。
英文:
If Id is not available, I would tend to favor second option as its:
-
Unique : Usually there is only one submit button on a page.
-
combination: Two properties are less likely to change at the same time.
I think the most desirable quality in a locator is - rigid and flexible at the same time, which second option has it.
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