Effort Estimation |Automation Testing

Hi Guys,

Effort estimation is a very important part of success of any project and our estimation will correct than our automation task would be complete in proper manner and in calculated time.

Here i m discussing effort estimation for development of automation script.

1. First we analysis the manual test cases and find out the good automation candidate than take out the complexity of the test cases.Complexity will be decide on the basis of some parameters and those parameters are :

a.) No. of Verifications
b.) No of actions or Screen navigation.
c.) No. of Iteration

Complexity would be Complex, Medium and Low.

for  example

Complexity	No. of Screens	Verifications	Iterations
Low	< 5	< 5	>  15 execution
Medium	>5 -  <15	>5 – <10	> 8 – 10 execution
Complex	>15 – <25	>10 – < 15	> 5 – 8 execution

Now on the basis of Complexity we will decide the time and one important thing dont forget to add buffer time in your effort estimation.

If we are going with the mathematically formula than formula would be.

T = (n1*t) +(n2*t)+(n3*t)

T --> Total time for the development of test script
n1-->Number of test cases of Low Complexity
n2-->Number of test cases of medium Complexity.
n3-->Number of test cases of Complex Complexity

So guys i have tried to explain how we can calculate the effort estimation of development task of Automation script.

One Important thing, any development of test case automation we have to do following task, so while calculating effort estimation please keep below steps in your mind.

1.Test Case execution (Manual)
2.Test data selection
3.Script Template creation
4.Base scripting
5.Implement framework elements
6.Script execution for dry run

In the next post i will share you , how we can select the test cases for Automation