Assertions are an important part of any test automation framework, and Serenity gives us many options. You can, of course, use standard JUnit, Hamcrest or AssertJ assertions at any point in a Screenplay test. But more recent versions of Serenity Screenplay provide an alternative approach, which many developers find easier to use and faster to write: the serenity-ensure module.

Introducing serenity-ensure

The Ensure class produces a Performable, so you can integrate them directly into the attemptsTo() method. It also has a very readable DSL and lets you use code completion to discover the assertions you can use for different values, making writing assertions easier and quicker.

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