Integration Testing

In Integration testing method, individual software modules are taken and combined and tested as group. Integration testing done after unit testing. Integration testing identifies the issues in the interfacing between modules.

Benefits

• Integration testing improves the quality of the code
• It allows the programmer to refactor code or upgrade system libraries
• Integration testing reduces defects in the newly developed features or reduces bugs when changing the existing functionality
• Integration testing helps reduce the cost of bug fixes
• Integration testing provides documentation of the system
  
  

Why Integration Testing?

Integration testing, especially test driven development, is a design or implementation activity, not a testing activity.