The Main Differences Between System and Integration Testing

The Main Differences Between System and Integration Testing

Software testing involves various verification principles and methods which depend on the peculiarities of the product under test, the client’s requirements, the final deadlines of the production, and other factors.

Thus, there is a wide range of different types of testing. Sometimes it is rather difficult to sort out the specifics of one or another type of testing. Software testing company appreciates and encourages the development of employees’ ability to know the ropes of all types of testing.

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System testing and integration testing often cause some difficulties for the new-comer tester. In order to grasp the main difference of these types of testing, it needs to analyze the peculiarities each of them.

So What Is the Difference Between System and Integration Testing?

  • The purpose of system testing is the checking of the appropriate product working as an entity. Hereby, its functioning should satisfy all client’s requirements. During integration testing, the work of the product elements and different variations of their combination is controlled.
  • Integration testing implies the checking of the ways of connection of different parts of the system. Conducting system testing, the specialist follows the principles of both functional and non-functional testing.
  • Integration testing is executed before system one. Besides, integration testing can be performed only after unit testing.
  • System testing is based on the technical requirements, while integration – on the interface specifications.
  • During system testing, the code itself and its visual component are not checked. The execution of integration testing means the control over the visibility of the integrated structure.

System testing belongs to the number of methods of black box testing. White box testing and black box testing, especially their combination, are the basis of integration testing.

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