Here is a recent recording with some good advice on testing with Java, Junit5, Selenium and best practices: https://www.youtube.com/watch?v=Glrn9jcJCuc. Enjoy.
Tag Archives: java
Java naming conventions revisited
Let’s go way back to basics for a second: Java naming conventions. I wrote a post a while back regarding how to compose the name for various Java items, like classes or variables. In this post i want to emphasize the naming conventions, which relate to the use of upper/lower/camel cases when naming things.
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Using HashMaps in automated tests
HashMaps are one of those Java concepts that can be very useful in automation testing, but are not widely used, because they seem to be too complicated. A HashMap is nothing more than a collection of key/value pairs, where you can store test related data to access later in the tests. In this post i will go over the basics of a HashMap. And what better way to see what you can use it for than an example? Continue reading Using HashMaps in automated tests
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Removing duplicates from a List
When working with lists, sometimes you only want them to contain distinct elements. There are two options to create lists without duplicates: either to not add these from the start, or, if that is not possible or too difficult, to remove the duplicates from the list later on. Let’s see how you can do both of these. Continue reading Removing duplicates from a List
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Checkout the first article i wrote for TestProject’s blog
Checkout the first article i wrote for TestProject’s blog: https://blog.testproject.io/2019/10/24/using-java-objects-for-comparing-api-db-test-data/. It is about how to easily compare test data gathered from an API to the test data gathered from the DB, using Java Objects.
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Useful type conversions
Some of our test data needs to be transformed from its original type to something else. For example, we might need to convert a String to a numeric value, or vice versa. Or we might need to generate date values in a certain format. Examples for all of these can be found below.
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thewaiter: clicking on an element by using waits with Selenium
One of the most common ways of interacting with a page displayed in a browser, in Selenium tests, is clicking on a WebElement. But many times, due to the timing when the click happens, it will fail, since the WebElement that needs to be clicked is not yet available. This might be because some Javascript events have not finished enabling that WebElement, or other similar issues. Making clicks reliable can be done by using WebDriverWait, to wait until the click can actually happen.
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Better Test Code Principles #5: Mind your try/catches
Using try/catches to handle exceptions has become quite fashionable when writing tests with Java. However, this approach is also a frequent source of having false positives while running tests. Many times when writing the tests people forget to consider both sections of this code block: they forget to write the appropriate code in both sections – the code that deals with not encountering the exception (if the code in try executes) and the code that deals with encountering the exception (if the code in catch executes).
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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.
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@FindBy, Lists and using them to check for similar UI elements
This is going to be a rather complex post, that will show how to easily check for values of similar UI elements. By similar i mean elements that share some kind of properties: whether they have the same CSS selector, or are part of the same group of elements. Some examples will be shown below. Performing the testing part will imply the use of @FindBy (of Selenium WebDriver) and List (of Java). Read on to get an idea of where this approach can be used, how @FindBy is ideal for such a task, what the basics of working with List are, and what an actual test looks like. Continue reading @FindBy, Lists and using them to check for similar UI elements
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