Module & Components Integration Testing Phase

Module & Components Integration Testing Phase

After all units have been tested in isolation and verified working correctly, the next of testing begins: Integration Testing.

Two Possible Processes

Two modules integrated and tested

Another module added to them and tested

Continues until all units are added

Top Down Testing

Top layers tested

Lower layer integrated and tested

Process continues until full integration

Bottom Up Testing

Lowest levels validated

Higher level component integrated and tested

Process continues until full integration

Defects general found in this phase

Inter-process communication

Parameter issues

Data issues

Testers involved in this phase should have a solid background in integration testing techniques.