System Testing:
While developing a software or application product, it is tested at the final stage as a whole by combining all the product modules and this is called System Testing. The primary aim of conducting this test is that it must fulfill the customer/user requirement specification. It is also called an end-to-end test, as is performed at the end of the development. This testing does not depend on system implementation; in simple words, the system tester doesn’t know which technique among procedural and object-oriented methods is implemented.
This testing is classified into functional and non-functional requirements of the system. In functional testing, the testing is similar to black-box testing which is based on specifications instead of code and syntax of the programming language used. On the other hand, in non-functional testing, it checks for performance and reliability through generating test cases in the corresponding programming language.
Integration Testing:
This testing is the collection of the modules of the software, where the relationship and the interfaces between the different components are also tested. It needs coordination between the project level activities of integrating the constituent components together at a time.
The integration and integration testing must adhere to a building plan for the defined integration and identification of the bug in the early stages. However, an integrator or integration tester must have programming knowledge, unlike system testers.
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