Following a recent article on how to Test System.out with JUnit, here’s a follow up on how to test log4J with JUnit. This article describes a technique to test log4J output in a JUnit test by adding a custom appender. This allows us to verify that log4j output contains expected Strings.
Don’t Panic!
Stuart 'Stevie' Leitch's blog on Software Development, Java Technologies, Security and TestingArchives
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Don't Panic! blog and example code by Stuart 'Stevie' Leitch is licensed under a Creative Commons Attribution 3.0 Unported License.The views expressed on this blog are my own and do not necessarily reflect the views of my employers, past or present.