INTERVIEW QUESTIONS TESTING DETAILS

Question: What is stub and driver in manual testing?

Answer: Top Down Testing

An integration testing technique that test the high-level components first using STUBS for lower-level called components that have not yet been integrated and that stimulate the required actions of those components.

Bottom Up Testing

An integration testing technique that tests the low level components first using test DRIVERS for those components that have not yet been developed to call the low level components for test.

Top Down Testing

An integration testing technique that test the high-level components first using STUBS for lower-level called components that have not yet been integrated and that stimulate the required actions of those components.

Bottom Up Testing

An integration testing technique that tests the low level components first using test DRIVERS for those components that have not yet been developed to call the low level components for test.
Source: CoolInterview.com

stub:
In top down approach,a core module is developed.To test
that core module, small dummy modules are used.so stubs are
small dummy modules that test the core module.

Driver:
In bottom up approach, small modules are developed.To test
them a dummy core module Is called driver. Source: CoolInterview.com

Stub and drivers are dummy functions used in top down approach and bottom up approach of integration testing.And they will store values/data temporarily and returns data whenever actual functions are being called. Source: CoolInterview.com

Stubs and Drivers both are temporary programs instead of under cunstructed modules, when involves in Integration testing. Source: CoolInterview.com

Top Down Testing

An integration testing technique that test the high-level components first using STUBS for lower-level called components that have not yet been integrated and that stimulate the required actions of those components.
stub:
In top down approach, a core module is developed. To test that core module, small dummy modules are used. So stubs are small dummy modules that test the core module.

Bottom Up Testing

An integration testing technique that tests the low level components first using test DRIVERS for those components that have not yet been developed to call the low level components for test.
Driver:
In bottom up approach, small modules are developed. To test them a dummy core module Is called driver.
Source: CoolInterview.com

stub is a temporary similar module like sub module used in top-down approach

Drver is a temporary module which acts like main module used in Bottom-up Approach. Source: CoolInterview.com

Stub is a ‘called program’ which is used in Top down approach of ‘Integration testing’. It is a temporary program used to establish the connection between main module and sub modules when sub modules are under construction.
Driver is a ‘calling program’ which is used in Bottom up approach of ‘Integration testing’. It is used to establish the connection between main module and sub modules when Main module is under construction. Source: CoolInterview.com

stub: is dummy module which behaves like built feature(real module).

driver: is setsup the testing environment,does transactions analysis and send the final result. Source: CoolInterview.com

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