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15/06/2013

Sharepoint DDD / TDD Code Testing Tip

In this post i would like to demonstrate a small tip in writing SharePoint code, which can make testing a bit easy.

Now before going into further details lets talk about 2 concepts DDD and Unit Test Vs Integration Test.

#1. DDD & TDD : Domain Driven Development  targets at unrelenting Domain layer from technology, thus making it flexible to be accessed by any technology for re-usability.

On the other hand TDD targets at implementing the functionality based on scenarios. For example, lets consider Agile implementation. Each sprint will target a couple of scenarios, which may not comprises of complete functionality. So, we will write the test cases for those scenarios and will write the code against to the test cases until they are success.

In both the cases, the main idea is separation of concerns and increasing the testability of the code.

#2. Unit Test is a test that will be executed in isolation, means no dependency on any other factor. In SharePoint , the unit test should be executed even without Sharepoint dlls, and Sites, and any other factor.
We have several frameworks like Moles, TypeMock which will give you ability to mock complete SP Object model thus execute your code in isolation.

On the other hand Integration testing is running the code in coordination with various layers that actually perform tasks on the site.