Answer / rajendra_penumalli

To understand Test Data, first we should understand the
Test case.

Test case comprises following parts:
1.Precondition
2.User action/Steps
3.Input data/Test data
4.Expected Result
5.Actual Result

For every test there will be some precondition will be
there.
For example,
if we are testing a web based login page,

1.Precondition:
The web page should load on web browser.

2.User action/steps:
i. Enter test data into valid User id and valid
Password in login page.
ii.Then click on 'submit' button

3.Input data/Test data:
User ID: rajendra_penumalli (valid User ID)
Password: passw0rd (Valid Password)

4.Expected Result:
Application should display the home page

5.Actual Result:
<out come of the execution>

Here in above test case, in step three the User ID and
Password data (rajendra_penumalli,passw0rd) are the test
data.

Using,
Boundary Value Analysis and
Equivalence Class Partition
Tester can generate test data for different scenario's
Based on each set of test data can be converted in to a
test case using cause effect graphing technique.

For example foe the above login functionality testing
we can write test data as follows:

Test Data Set-1
Valid User ID
Valid Password

Test Data Set-2
Valid User ID
Invalid Password

Test Data Set-3
Invalid User ID
Valid Password

Test Data Set-4
Invalid User ID
Invalid Password

Test Data Set-5
Blank User ID
Valid Password

Test Data Set-6
Valid User ID
Blank Password

Test Data Set-7
Blank User ID
Blank Password

I think all are clear now.

Rajendra_penumalli@yahoo.com
Sr.Test Engineer

Answer / madhu

Test data is the data we need to supply on test cases which
consists of customer expected data while executing the test
cases.

Answer / mudaseeer

test data is the data used to login into an application.it has to be created by test engineer(for example in gmail.com) or it will be provided by developers(for example in actitime)

Answer / vijayvardhan

Test Data is nothing but inputs to the test. which are used to execute the test to achieve the desired results.

Answer / haritha

Test data is the data created by the test engineer based on the pre-condition(pre-condition is the data setup that needs to be created before proceeding with executing the test case)in order to proceed with our testing.

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