Effective Unit Testing for Java EE
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Need(le) for Speed - Effective Unit Testing for Java EE


Moved to https://github.com/needle4j

Needle is a lightweight framework for testing Java EE components outside of the container in isolation. It reduces the test setup code by analysing dependencies and automatic injection of mock objects. It will thus maximize the speed of development as well as the execution of unit tests.

Needle Coffee Cups

Core Features:

  • Instantiation of @ObjectUnderTest Components

  • Constructor, Method and Field based dependency injection

  • Injection of Mock objects by default

  • Extensible by providing custom injection providers

  • Wiring of object graphs

  • Database testing via JPA Provider, e.g. EclipseLink or Hibernate

  • EntityManager creation and injection

  • Execute optional database operations during test setup and tear down

  • Transaction Utilities

  • Provide Utilities for Reflection, e.g. for private method invocation or field access

  • Needle can be used with JUnit or TestNG.

  • It supports EasyMock and Mockito out-of-the-box.


Needle is licensed under GNU Lesser General Public License (LGPL) version 2.1 or later.

Needle URLs

Release Nodes

Version 2.2 - https://github.com/akquinet/needle/issues?milestone=1&state=closed

Previous Versions - https://github.com/akquinet/needle/blob/master/src/docs/dist/changelog.txt