what is the difference between unit testing,integration
testing and interface testing?

Answer Posted / esha singh

The differences b/w unit tsting and integration testing are given below:

UNIT TESTING:this testing begins at the base of the spiral,and concentrates on each unit of the software as implemented i the source.

INTEGRATION TESTING:this testing progresses by moving outward along the spiral to integration testing where the focus is on design and the construction of software architecture to be tested.

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