·         White Box Testing
·         Grey Box Testing
·         Black Box Testing

White Box Testing :

Testing is finished by investigating the "source code" and check for the system rationale in the "source code"

It is ordinarily done by the designers.


Grey Box Testing :

     An individual with system learning alongside information on testing the "UI" will be functioning as dim box test engg.

Black Box Testing :

 It is finished by testing the "UI" ( User Interface ) of an application to do discovery testing, here test architect require not to know how is the functioning of project rationale, It is finished by test specialists.