System Integration Test (SIT) in the context of systems and software
engineering, is a testing process that exercises a software system coexistence with others. The integration of the system has multiple test systems that have made the system tests, tests for entry and their necessary interaction. After this process, the Deliverables are submitted to acceptance testing.
System integration testing (SIT) is a testing phase occurs after the unit tests and
prior to testing user acceptance (UAT).
Some of the Features of SIT:
System Integration Test (SIT) is the testing of the subsystems as a whole, to ensure that they function as a system.
The test should be guided by the requirement of the specification and system integration (SI) of the engineer's knowledge that the system should do.
No requirement to define the specifications of a system fully, they will always be gaps in what the requirement of the specification says and what is expected of a system.
This is where the experience of the engineer SI comes into play, because he / she carries out his work they need to keep your eyes open for any defects or problems. If the engineer must be aware that defects will be present, which there is through informal testing, ie the operating system and see what happens.
The SIT should ensure that the system meets the requirements of the specification of the formal and any implied or "common sense" requirements are met.
S.I.T. should also take place in different environments, for example, different temperatures. This should not be anything fancy, for example, a full environmental tests, but can be as little as possible of the airflow down, or a little, by turning the laboratory or thermostat down a little, it is amazing how small changes in the environment can affect the performance of a system.
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