Software Testing - Intergration testing

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Intergration testing

How you will write test cases for integration testing? Explain me with an example

Total Answers and Comments: 4

Last Update: October 08, 2008 Asked by: bhuvanaa.s

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Best Rated Answer

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Submitted by: Sushma Mosali

Integration Testing: It is the phase of software testing in which individual software modules are combined and tested as a group. It follows unit testing and precedes system testing. In simple, terms combining individual modules and performing the test on those modules is called integration testing.

Integration testing is actually composed of different types of tests, but its objective is to ensure that the interaction of two or more components produces results taht satisfy functional testing requirements.

For Example:

Let A and B be two components in which A calls B.
Â Â Â Let Ta be the component level tests of A
Â Â Â Let Tb be the component level tests of B
Â Â Â TabÂ The tests in A's suite that cause A to call B.
Â Â Â TbsaÂ The tests in B's suite for which it is possible to sensitize A
Â Â Â Â Â Â Â Â Â Â Â -- the inputs are to A, not B.
Â Â Â Tbsa + Tab == the integration test suite (+ = union).

Thanks
Sushma

Above answer was rated as good by the following members:
tryme, chougalemohasin

August 25, 2008 08:12:07

rameshbssv

Member Since: May 2007 Contribution: 2

RE: Intergration testing

After Completion of individual modules development and unit testing the verification of completness and correctness of interconnection.

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August 25, 2008 23:32:25

Sushma Mosali

Member Since: June 2007 Contribution: 271

RE: Intergration testing

Integration Testing: It is the phase of software testing in which individual software modules are combined and tested as a group. It follows unit testing and precedes system testing. In simple terms combining individual modules and performing the test on those modules is called integration testing.

Integration testing is actually composed of different types of tests but its objective is to ensure that the interaction of two or more components produces results taht satisfy functional testing requirements.

For Example:

Let A and B be two components in which A calls B.
Let Ta be the component level tests of A
Let Tb be the component level tests of B
Tab The tests in A's suite that cause A to call B.
Tbsa The tests in B's suite for which it is possible to sensitize A
-- the inputs are to A not B.
Tbsa + Tab the integration test suite (+ union).

Thanks
Sushma

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September 09, 2008 04:23:44

Nitinkk

Member Since: September 2008 Contribution: 16

RE: Intergration testing

Actally there are 2 approach to perform Integration Testing.

Top Down and Bottom Up Approach.

Use Top Down if you are working for an project that has been already been developed and use Bottom Up Approach if you are working for the Development Project.

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October 08, 2008 05:11:08

Himanshu Man

Member Since: October 2008 Contribution: 4

RE: Intergration testing

Testing of 2 or more than 2 modules of application/applications is integration testing. It involves validation of data flow via xml or any other technology in between modules.

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