Intergration testing

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

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rameshbssv

  • Aug 25th, 2008
 

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

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Sushma Mosali

  • Aug 25th, 2008
 

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

Nitinkk

  • Sep 9th, 2008
 

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.

Himanshu Man

  • Oct 8th, 2008
 

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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sharads

  • Dec 7th, 2009
 

Before we begin Integration Testing it is important that all the components have been successfully unit tested.

Integration Testing Steps: Integration Testing typically involves the following Steps:
Step 1: Create a Test Plan
Step 2: Create Test Cases and Test Data
Step 3: If applicable create scripts to run test cases
Step 4: Once the components have been integrated execute the test cases
Step 5: Fix the bugs if any and re test the code
Step 6: Repeat the test cycle until the components have been successfully integrated

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