November 2024
Intermediate to advanced
300 pages
7h 12m
English
Content preview from Pragmatic Unit Testing in Java with JUnit, 3rd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Testing Exception Handling
Exception handling is often an afterthought. The happy path is the first thing in the mind of most developers; that’s human nature. After they get a solution working, a developer revisits the code and thinks about what might go wrong. They add exception-handling logic to all the places (hopefully) it looks like it needs it.
Currently, AddressRetriever doesn’t handle errors thrown by the HTTP get method, which could occur for a number of reasons. You’ve decided that retrieve shouldn’t propagate the exception but should instead return null.
Mockito will help you set up a test to emulate get throwing an exception. Rather than returning a value when an expectation is met, as you’ve been doing throughout this chapter, you ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.