User Stories

User Stories

User story là cách describe requirements từ góc nhìn người dùng.

Format

As a [type of user]
I want to [action]
So that [benefit/value]

Ví dụ

### User Story 1: Login

As a registered user
I want to login to my account
So that I can access my private information

**Acceptance Criteria:**

-   User enters valid email and password
-   System validates credentials
-   Successful login redirects to dashboard
-   Failed login shows error message
-   Account locks after 5 failed attempts

### User Story 2: Password Reset

As a user who forgot password
I want to reset my password via email
So that I can regain access to my account

**Acceptance Criteria:**

-   User clicks "Forgot Password"
-   User enters email address
-   System sends reset link to email
-   Link expires after 24 hours
-   User creates new password

INVEST Criteria

Good user stories are:

• Independent - Không phụ thuộc stories khác
• Negotiable - Có thể thảo luận, điều chỉnh
• Valuable - Mang giá trị cho user
• Estimable - Có thể ước lượng thời gian
• Small - Đủ nhỏ để complete trong 1 sprint
• Testable - Có thể test được

Acceptance Criteria

• Specific, measurable conditions
• Given/When/Then format

Given I am a logged-in user
When I click the "Logout" button
Then I should be redirected to the homepage
And my session should be terminated

Common Mistakes

❌ Too technical - “Implement OAuth2 authentication”
✅ User-focused - “Login with Google account”

❌ Too vague - “Improve performance”
✅ Specific - “Page loads in under 2 seconds”

❌ Too large - “Build e-commerce platform”
✅ Small - “Add item to shopping cart”