test-data-management

name	test-data-management
description	Strategic test data generation, management, and privacy compliance. Use when creating test data, handling PII, ensuring GDPR/CCPA compliance, or scaling data generation for realistic testing scenarios.
category	specialized-testing
priority	high
tokenEstimate	1000
agents	["qe-test-data-architect","qe-test-executor","qe-security-scanner"]
implementation_status	optimized
optimization_version	1
last_optimized	2025-12-02T00:00:00.000Z
dependencies	[]
quick_reference_card	true
tags	["test-data","faker","synthetic","gdpr","pii","anonymization","factories"]

Test Data Management

<default_to_action> When creating or managing test data:

1. NEVER use production PII directly
2. GENERATE synthetic data with faker libraries
3. ANONYMIZE production data if used (mask, hash)
4. ISOLATE test data (transactions, per-test cleanup)
5. SCALE with batch generation (10k+ records/sec)

Quick Data Strategy:

• Unit tests: Minimal data (just enough)
• Integration: Realistic data (full complexity)
• Performance: Volume data (10k+ records)

Critical Success Factors:

• 40% of test failures from inadequate data
• GDPR fines up to €20M for PII violations
• Never store production PII in test environments </default_to_action>

Quick Reference Card

When to Use

• Creating test datasets
• Handling sensitive data
• Performance testing with volume
• GDPR/CCPA compliance

Data Strategies

Type	When	Size
Minimal	Unit tests	1-10 records
Realistic	Integration	100-1000 records
Volume	Performance	10k+ records
Edge cases	Boundary testing	Targeted

Privacy Techniques

Technique	Use Case
Synthetic	Generate fake data (preferred)
Masking	j***@example.com
Hashing	Irreversible pseudonymization
Tokenization	Reversible with key

---

Synthetic Data Generation

import { faker } from '@faker-js/faker';

// Seed for reproducibility
faker.seed();

 () {
   {
    : faker..(),
    : faker..(),
    : faker..(),
    : faker..(),
    : faker..(),
    : {
      : faker..(),
      : faker..(),
      : faker..()
    },
    : faker..()
  };
}


 users = .({ :  }, generateUser);