how far the test tracability matrix hepls in regression
testing ?
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Answer Posted / rajendra
Traceability Matrix:
This maps the requiremnts to Testcases
In SRS Document, for every requirement there will be a
Requirement ID.
Using this Requirement ID we can identify the requirement
in the SRS document.
For example
Some Project Has 300 requirements
The requirements ID will be as follows:
R 1.0
R 2.0
R 3.0
.
.
.
.
.
.
R 300.0
Again every requirement may be composed with some fair
number of sub-requirements.
Sub Requiremnts ID will be as follows:
R 1.0 Main requirement-1
R 1.1 Sub-requirement-1 of Main requirement-1
R 1.2.... Sub-requirement-1 of Main requirement-1
.....
I think this explanation is enough about Requirement ID
Traceability Matrix looks like this
---------------------------------------------------------
RequirementID | FunctionalTestCaseID | GUITestCaseID
----------------------------------------------------------
R 1.0 FTC1,FTC2,FTC3 GTC1,GTC2,GTC3
R 1.1 FTC4,FTC5,FTC6 GTC4,GTC5,GTC6
R 1.2 No Test Case ID's
...............Etc
Like this All requirements ID will be mapped to Prepared
Test Case IDs'
For Example Look At Requirement ID R1.2 There is no
Functional Testcase ID present under the Functional
Testcase ID Column.
This says That we are not prepared the testcases For the
Requirement ID R 1.2
If we are not prepared testcases for R 1.2 we won't test
the related functionality.
This area may have some critical bugs.
So Traceability Matrix will tell the coverage of Testing.
Even in the Regression Testing If some functionality
is not working well or it has some bugs we will post the
bug to development team.
Development team will fix and Gives the new build.
This defect fixing information will contains the Build
release note.
Now using Trtaceability matrix we can identify the
Requirements which have bug fixes and Related
functionalities.
So we will repeat these Functionalities related testcases
in regression Testing.
In this way we will use the traceability matrix in
regression tetsing.
Byee
Rajendra prasade Reddy
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