🧪 [Day 2 - Hour 2] Testing, Bug Fixes & Quality Assurance

[uozopio]

📋 Task Overview

Sprint Day: Day 2 - Afternoon Session
Time Slot: 15:00 - 16:00 (1 hour)
Task Type: Collaborative Testing & Bug Fixing
Estimated Duration: 1 hour
Dependencies: End-to-End Integration (Issue #12)

🎯 Objectives

Conduct comprehensive testing of all features including form validations, payment flows, and OTP verification. Identify and fix bugs discovered during testing, ensure all edge cases are handled properly, and verify the system's stability and reliability.

📝 Detailed Requirements

1. Form Validation Testing (15 minutes)

• Test seller/buyer form validations:
  • Turkish ID number validation (invalid checksums)
  • IBAN validation with invalid formats
  • Phone number edge cases (+90 variations)
  • Email format validation
  • Required field enforcement
  • Maximum length restrictions
• Test product form validations:
  • Category-specific field requirements
  • Price limits (min/max)
  • Vehicle plate format validation
  • File upload restrictions (size, type)
  • Description length limits
  • Special character handling
• Test payment form validations:
  • Invalid card numbers (Luhn check)
  • Expired cards rejection
  • CVV length validation
  • Partial payment calculations
  • Installment options validation
  • Saved card selection
• Test error message display:
  • Field-level error messages
  • Form-level error summaries
  • Multi-language error texts
  • Clear error recovery instructions
  • Accessibility of error messages

2. Payment Flow Testing (15 minutes)

• Test successful payment scenarios:
  • Single full payment
  • Partial payment completion
  • Saved card payment
  • New card addition and payment
  • 3D Secure success flow
  • Installment payment processing
• Test payment failure scenarios:
  • Insufficient funds
  • 3D Secure failure
  • Network timeout during payment
  • Invalid card details
  • Webhook failure handling
  • Payment gateway errors
• Test payment edge cases:
  • Double-click prevention
  • Browser back button during payment
  • Session timeout during 3D Secure
  • Multiple tab payment attempts
  • Payment status polling
  • Refund processing

3. OTP Verification Testing (10 minutes)

• Test OTP success flow:
  • Code generation and delivery
  • Correct code acceptance
  • Auto-submit on 6 digits
  • Success redirect
  • Session creation
• Test OTP failure scenarios:
  • Wrong code entry (3 attempts)
  • Expired code rejection
  • Resend functionality
  • Rate limiting (1 per minute)
  • Network failure handling
• Test OTP edge cases:
  • Page refresh during entry
  • Browser back button
  • Multiple OTP requests
  • Different phone formats
  • Countdown timer accuracy

4. Bug Fixes & Issue Resolution (20 minutes)

• Fix identified bugs:
  • Document all bugs found
  • Prioritize critical issues
  • Implement fixes
  • Test fix effectiveness
  • Update related documentation
• Performance issues:
  • Slow API responses
  • Memory leaks
  • Unnecessary re-renders
  • Large bundle sizes
  • Database query optimization
• UI/UX issues:
  • Layout breaks on specific screens
  • Responsive design problems
  • Inconsistent styling
  • Missing loading states
  • Unclear error messages
• Integration issues:
  • API contract mismatches
  • State synchronization problems
  • WebSocket connection issues
  • Caching problems
  • Session management bugs

🔧 Technical Context

Testing Methodology

• Unit tests for critical functions
• Integration tests for API endpoints
• E2E tests for user journeys
• Manual testing for edge cases
• Cross-browser testing

Bug Priority Levels

• P0 (Critical): Blocks core functionality
• P1 (High): Major feature broken
• P2 (Medium): Minor feature issue
• P3 (Low): Cosmetic/enhancement

Test Data Requirements

• Valid Turkish ID numbers for testing
• Test IBAN numbers
• Test credit card numbers
• Test phone numbers
• Sample product data

Browser Testing Matrix

• Chrome (latest)
• Firefox (latest)
• Safari (latest)
• Edge (latest)
• Mobile Safari (iOS)
• Chrome Mobile (Android)

✅ Acceptance Criteria

• All form validations work correctly
• Payment flows complete without errors
• OTP verification functions properly
• Critical bugs (P0/P1) are fixed
• Error handling covers all scenarios
• System remains stable under testing
• Cross-browser compatibility verified
• Performance metrics acceptable

👥 Team Assignments

All Team Members:

• @uozopio (Umut) - Backend bug fixes and API testing
• @mbyzopio (Burak) - Frontend validation and flow testing
• @teczopio (Enes) - UI/UX issues and cross-browser testing

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This task is part of the 2-day MVP sprint for the Paylox Escrow System