  Retail applications has majorly fraud prevention, procurement, shipping and
tax related, pricing, real time bank authentication applications integrated to
make the application run successfully. Integration testing here plays an
important role as it requires that all applications interact with each other
and also interact correctly so that Retailer is at benefit. Different testing
techniques and types are used to test the application. Different testing teams
will perform integration testing but what is the correct approach and how
should you proceed is the major concern of many. Here we propose at what stage
of Software Testing Life Cycle (STLC), integration testing should be initiated.
Also what should be the approach of performing the testing? An example on
Online Retail Application is used to understand the approach.
