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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
OR
Units grouped by functional area
Tested together as assemblies
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
By testing the units in aggregate, it’s easier to identify the source of the issues found.
Defects generally 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.
QA Mentor’s Application Architecture Inspection Services as well as our Testing Execution On-Demand Service can be used to provide you with that expertise to perform Integration testing either after or independent of unit testing.
Please complete the form and one of our QA Expert Specialists will be in contact within 24 hours.
Alternatively, drop us an email at support @qamentor.com or give us a call at 212-960-3812
