So, now that you are an expert in writing CSS selectors to identify your WebElements (possible because of my older webinar on this topic), you want to write some new tests. You are inspecting the page you will test, identifying what WebElements you will need, and start writing the selectors. Once you have them, and the test contains all the necessary interactions with those WebElements, you run the test, confident it will pass. But instead, surprise. You get a NoSuchElementException. You double, triple, quadruple check the page, and by the looks of it, the selector is correctly written. And that is true. However, when you inspect the page further, you notice that your element is actually contained within an <iframe> tag (<iframe>…</iframe>). Continue reading Iframes, switchTo() and default content with Selenium
Tag Archives: selector
Using Lists to get UI elements with nearly impossible selectors
Where does this approach apply? One of the following:
- if you have a list of elements with identical selectors. The element you are interested in is an element of that list. But it does not always appear in the same place in the list. Sometimes it might be the third element in the list, other times it might be the second, or the fourth, and so on. You only know that using getText() on the element returns a known text.
- if the element you are searching for has a different selector each time you open the page. You know only the type of element it is (whether it is a button, or an a element representing a link, or an img element) and what text should be displayed on that element.
- if the element you are looking for does not even have any attached attributes. That means it is only a tag, without an id or class, or anything else except for the tag name (tag being ‘a’ for links, ‘img’ for images, and so on). You know what getText() should return when applied to that element.
Continue reading Using Lists to get UI elements with nearly impossible selectors
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CSS Selectors
Identifying HTML elements in order to interact with them within you tests can be done by using CSS Selectors, which use pattern matching to easily find these elements. Below are the most used patterns to identify the elements on a page and examples of their usage: Continue reading CSS Selectors
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XPATH selectors
To select HTML elements from your page, you can use XPath selectors, which are basically a set of expressions that will extract the nodes you require. The nodes are obtained by following a path in the HTML document, either downwards from a known node, or upwards (it searches for descendants or ancestors of a known element). To find elements using XPATH, find below what suits your search: Continue reading XPATH selectors
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