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Mockito Cookbook by Marcin Grzejszczak

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Using Hamcrest matchers for assertions

In this recipe, we will add Hamcrest to your classpath (or check if it's already there) and look at a test that shows the concept that lies behind the Hamcrest library.

Getting ready

First, let's check the differences between the various Hamcrest JAR files:

  • hamcrest-core.jar: This file contains the core functionality and a set of common matchers
  • hamcrest-library.jar: This file contains a set of additional Hamcrest matchers
  • hamcrest-generator.jar: This file generates code that combines many matcher implementations into a single class with static methods
  • hamcrest-integration.jar: This file contains the integration of Hamcrest and other testing toolsrary.jar files
  • hamcrest-all.jar: This file contains one JAR file containing ...

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