Hamcrest, JUnit, Mockito, IntelliJ IDEA, Gradle, and java.lang.NoSuchMethodError: org.hamcrest.Matcher.describeMismatch

Filed under: Gradle, JUnit, Mockito, TDD, — Tags: Hamcrest, IntelliJ IDEA — Thomas Sundberg — 2016-04-18

Ever included Mockito in your project and lost the nice feedback from Hamcrest? And only when running your unit tests from IntelliJ IDEA? Instead of a message describing what you should fix, you see java.lang.NoSuchMethodError: org.hamcrest.Matcher.describeMismatch

I have. More than once and been very frustrated. These are tools I like. Not getting good messages upsets me.

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Stubbing a var arg method using Mockito

Filed under: Java, Mockito, Programming, TDD, — Tags: Mocking, stub var arg, stubbing, var arg — Thomas Sundberg — 2015-04-28

I had a need to stub a method the other day that had a var arg method. I failed in stubbing it using Mockito. It disturb me a lot. But after mulling on the problem a while, I searched and found a simple solution.

Mockito has a anyVararg() method that you should use when you try to stub a method that takes a var arg as argument.

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