TechnicalArchitectureWorx

The (Unofficial) ITWorx Technical Architecture Blog

Testing Private Methods

Posted by archworx on June 21, 2007

Test Driven Development a practice that is becoming very popular due to the quality assurance that it adds. While it is easy to test public methods, How do I test private methods?

There are 2 ways:

  1. Using Helper Class discussed on The Code Project
  2. Using Microsoft’s build in Testing Tools

Example:

using Microsoft.VisualStudio.TestTools.UnitTesting;
PrivateObject po = new PrivateObject(new TestClass());
po.Invoke('PrivateMethodName'); /*This will invoke the private method*/
po.GetField('PrivateFieldName'); /*This will get the value of a private variable*/

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