Software Testing: Principles and Practices

Chapter 5

Integration Testing

In this chapter—

• What is integration testing

• Integration testing as a type of testing

• Integration testing as a phase of testing

• Scenario testing

• Defect bash

• Conclusion

5.1 WHAT IS INTEGRATION TESTING?

A system is made up of multiple components or modules that can comprise hardware and software. Integration is defined as the set of interactions among components. Testing the interaction between the modules and interaction with other systems externally is called integration testing. Integration testing starts when two of the product components are available and ends when all component interfaces have been tested. The final round of integration involving all components is called Final Integration Testing (FIT), or ...