Detailed Use Case
Prepared by: [Your Name]
Title: User Login
I. Actor
II. Preconditions
III. Triggers
IV. Basic Flow
User Action: The user enters their username and password into the login form.
System Response: The system validates the credentials.
User Action: The user clicks the "Login" button.
System Response: The system verifies the credentials and, if correct, grants access to the user’s account.
System Response: The user is redirected to their account dashboard or the homepage.
V. Alternate Flows
Alternate Flow 1: Incorrect Password
User Action: The user enters a correct username but an incorrect password.
System Response: The system detects the incorrect password.
System Response: The system displays an error message indicating that the password is incorrect.
User Action: The user can attempt to re-enter the password or click on a “Forgot Password” link.
Alternate Flow 2: Username Not Found
User Action: The user enters a username that does not exist in the system.
System Response: The system detects that the username is not found.
System Response: The system displays an error message indicating that the username is not found.
VI. Postconditions
VII. Exceptions
Exception 1: System Down
User Action: The user attempts to log in while the system is down or experiencing issues.
System Response: The system is unable to process the login request.
System Response: The system displays a message indicating that the system is temporarily unavailable and suggests trying again later.
Exception 2: Network Failure
User Action: The user attempts to log in but encounters a network failure.
System Response: The login attempt fails due to the network issue.
System Response: The system displays an error message indicating a network problem and prompts the user to check their connection.
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