What is a test scenario?

A test scenario is a functionality of the application that can be tested. Test scenario also called Test condition or Test possibility.

Example: scenario for the user login functionality:

Scenario for positive testing:

i) Enter valid user ID & password in the login window then click login. User able to login.

Scenario for negative testing:

i) Leave blank user ID & Password field, click login – Error message displays.

ii) Enter invalid user ID & wrong password, click login – Error message displays.

iii) Enter valid user ID & wrong password, click login, - Error message displays.

iv) Enter invalid ID & right password, click login - Error message displays.