Test Case: Valid User Login
Test Case ID: TC-001
Related Requirement: FR-Login-01
Module: Authentication
Prepared By: John Doe
Date: 2025-07-02
Version: 1.0
Priority: High
Objective
Verify that a registered user can log in successfully using valid credentials.
Pre-Conditions
The application under test is deployed and accessible.
Test user “testuser@example.com” exists with password “Password123!”
Browser cache and cookies are cleared before test execution.
Test Data
Username: testuser@example.com
Password: Password123!
Test Steps
Navigate to the login page at the provided URL.
Enter “testuser@example.com” into the Email field.
Enter “Password123!” into the Password field.
Click the “Login” button.
Expected Results
Login page loads within 3 seconds.
Email and Password fields accept input.
Clicking “Login” sends a request and receives a 200 OK response.
User is redirected to the dashboard at https://app.example.com/dashboard..
A welcome message “Welcome, testuser!” is displayed in the header.
Post-Conditions
User session is active and can access authenticated features.
No errors appear in the browser console or server logs.
Additional Test Scenarios to Consider
Invalid login with incorrect password and error message validation
Login throttling or account lockout after multiple failed attempts
Password reset flow and email delivery confirmation
Single sign-on (SSO) or multi-factor authentication (MFA) variations
Performance test for simultaneous login requests (< 5 s response time)
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