Published on Aug 12, 2021 | By Tesvan team
Integration means combining. For Example, in this testing phase, different software modules are combined and tested as a group to make sure that integrated system is ready for system testing.
Integrating testing checks the data flow from one module to other modules. This kind of testing is performed by testers.
Big Bang Testing is an Integration testing approach in which all the components or modules are integrated together at once and then tested as a unit. This combined set of components is considered as an entity while testing. If all of the components in the unit are not completed, the integration process will not execute.
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In the Incremental Testing approach, testing is done by integrating two or more modules that are logically related to each other and then tested for proper functioning of the application. Then the other related modules are integrated incrementally and the process continues until all the logically related modules are integrated and tested successfully.
Incremental Approach, in turn, is carried out by two different Methods:
Bottom-up Integration Testing is a strategy in which the lower-level modules are tested first. These tested modules are then further used to facilitate the testing of higher-level modules. The process continues until all modules at the top level are tested. Once the lower-level modules are tested and integrated, then the next level of modules are formed.
Diagrammatic Representation:
Top-Down Integration Testing is a method in which integration testing takes place from top to bottom following the control flow of the software system. The higher-level modules are tested first and then lower-level modules are tested and integrated in order to check the software functionality. Stubs are used for testing if some modules are not ready.
Aug 12, 2021
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