What is integration testing?

Hello friends,

now i want to tell you something about integration testing.
Do you know what is integration testing.
Actually in SDLC (Software development life cycle) integration testing comes after unit testing.

Definition of integration testing
Integration testing is activity of testing when tow or more units or modules of application integrated with each other. In integration testing we have to check that both or m ore modules integrated successfully or not and due to the integration is there any generated defect in those modules functionality.

I want to explain one example here.
Suppose there is one module which is provide registration to user. now when user get registered then that user's complete information should be saved in admin area. so we have to check that after user registration, user information saved in admin area or not. and then if admin person activate that account then user should require to login in application. so we have to check that if user not activate that account and user is able to login in application or not.

So this is one simple integration. there should be many integration in any application. application's unit testing should be completed before integration testing. If unit testing not completed then integration testing not possible. reason is that if unit testing not completed and if unit or module not work as per requirement then integration testing is not possible.

So consider this thing before starting integration testing.

Please put your comment if this article is useful for you.

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What is Unit testing?

Hi,

There are many types of testing performed during software testing life cycle.
Like
1. Unit testing.
2. Integration testing
3. System testing
4. System integration testing
5. Acceptance testing
Do you have any knowledge about unit testing in software engineering?
Unit testing is one type of software testing.

Definition of Unit testing

Primary goal of unit testing is to test a smallest testable piece of system is called unit testing.
In STLC(Software testing life cycle) unit testing is performed before all types of testing described above.
Basically unit testing is performed by system developer. not by the system testing engineer.
When developer start to develop system, first of all he develop a unit of system one by one.
Then he have to test that unit or smallest piece developed by him is working fine as per requirement or not.
So unit testing is basic task of system.

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