Posts tagged ‘TDD’

TestNG: Concepts, Methods and Examples

TestNG is a testing framework inspired from JUnit and NUnit but introducing some new functionalities that make it more powerful and easier to use, such as:

  • JDK 5 Annotations (JDK 1.4 is also supported with JavaDoc annotations).
  • Flexible test configuration.
  • Support for data-driven testing (with @DataProvider).
  • Support for parameters.
  • Allows distribution of tests on slave machines.
  • Powerful execution model (no more TestSuite).
  • Supported by a variety of tools and plug-ins (Eclipse, IDEA, Maven, etc…).
  • Embeds BeanShell for further flexibility.
  • Default JDK functions for runtime and logging (no dependencies).
  • Dependent methods for application server testing.

TestNG is designed to cover all categories of tests: unit, functional, end-to-end, integration, etc…


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Continue Reading 18 July, 2008 at 10:11 1 comment

TDD – Test Driven Development

Let me tell you a little about my experiences with TDD, how it’s added to the enjoyment I get from writing software, and how the quality of my source code has improved as a result.

To explain the basics of TDD to those who have never used it before, we should perhaps think about the traditional form of testing. Traditionally, the three stages of software development are Planning, Implementation, and Testing. A developer would spend roughly equal amounts of time on each of these steps. The problem here is that although the plans seem bulletproof and the code may not be too difficult to write, the testing just happens far too late in the game. Bug reports get back to the developer after the software is already built, but obviously, with nearing deadlines, this is far from an ideal situation.


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Continue Reading 20 June, 2008 at 12:41 1 comment


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