Decorators
Explore how to improve the readability of JUnit assertions using decorators such as is, not, nullValue, and notNullValue. Understand their usage in wrapping matcher expressions to create clearer tests, handle null checks meaningfully, and avoid unnecessary assertions while writing robust unit tests for Java applications.
We'll cover the following...
We'll cover the following...
A decorator is a wrapper used to wrap a matcher expression that makes it more readable. Let’s explore some of the most common decorators:
is decorator
We can make our matcher expressions more readable in some cases by adding the is decorator. It simply returns the matcher passed to it. In other words, it does nothing.
Sometimes, a little bit of nothing can make your code more readable:
Account account = new Account("my big fat acct");
assertThat(account.getName(), is(equalTo("my big fat acct")));
A coding ...