ruvnet--ruflo/v3/docs/ddd/quality-engineering

Quality Engineering Domain

Overview

The Quality Engineering (QE) domain provides comprehensive automated testing, quality assessment, and continuous validation capabilities for Claude Flow V3. It is implemented as the agentic-qe plugin with 51 specialized QE agents organized across 12 Domain-Driven Design bounded contexts.

Strategic Design

Domain Vision

Enable intelligent, automated quality engineering that learns from patterns, predicts defects, and ensures continuous quality at scale.

Core Subdomains

Quality Engineering Domain
├── Test Generation (Core)          # AI-powered test creation
├── Test Execution (Core)           # Parallel execution and reporting
├── Coverage Analysis (Core)        # Gap detection and prioritization
├── Quality Assessment (Core)       # Gates and readiness decisions
├── Defect Intelligence (Core)      # Prediction and root cause
├── Requirements Validation (Support) # BDD and testability
├── Code Intelligence (Support)     # Knowledge graph and search
├── Security Compliance (Core)      # SAST/DAST and audit
├── Contract Testing (Support)      # API contract validation
├── Visual Accessibility (Support)  # Visual regression and a11y
├── Chaos Resilience (Core)         # Chaos engineering and load
└── Learning Optimization (Generic) # Cross-domain transfer learning

Subdomain Classification

Subdomain	Type	Complexity	Business Value
Test Generation	Core	High	Critical
Test Execution	Core	Medium	Critical
Coverage Analysis	Core	High	High
Quality Assessment	Core	Medium	Critical
Defect Intelligence	Core	High	High
Requirements Validation	Supporting	Medium	Medium
Code Intelligence	Supporting	High	Medium
Security Compliance	Core	High	Critical
Contract Testing	Supporting	Medium	Medium
Visual Accessibility	Supporting	Medium	Medium
Chaos Resilience	Core	High	High
Learning Optimization	Generic	Medium	Medium

Context Map

┌─────────────────────────────────────────────────────────────────────────────────┐
│                           Quality Engineering Domain                             │
├─────────────────────────────────────────────────────────────────────────────────┤
│                                                                                  │
│                        ┌─────────────────────────┐                               │
│                        │    Queen Coordinator    │                               │
│                        │   (Hierarchical Root)   │                               │
│                        └───────────┬─────────────┘                               │
│                                    │                                             │
│        ┌───────────────────────────┼───────────────────────────┐                 │
│        │                           │                           │                 │
│        ▼                           ▼                           ▼                 │
│  ┌───────────────┐         ┌───────────────┐         ┌───────────────┐          │
│  │ Test Creation │         │ Test Quality  │         │   Security    │          │
│  │   Cluster     │         │   Cluster     │         │   Cluster     │          │
│  ├───────────────┤         ├───────────────┤         ├───────────────┤          │
│  │ • test-gen    │◄───────►│ • coverage    │◄───────►│ • security    │          │
│  │ • test-exec   │ Shared  │ • quality     │ Shared  │ • contract    │          │
│  │ • req-valid   │ Kernel  │ • defect      │ Kernel  │ • chaos       │          │
│  └───────────────┘         └───────────────┘         └───────────────┘          │
│        │                           │                           │                 │
│        │                           │                           │                 │
│        └───────────────────────────┼───────────────────────────┘                 │
│                                    │                                             │
│                                    ▼                                             │
│                        ┌─────────────────────────┐                               │
│                        │   Support Services      │                               │
│                        ├─────────────────────────┤                               │
│                        │ • code-intelligence     │                               │
│                        │ • visual-accessibility  │                               │
│                        │ • learning-optimization │                               │
│                        └─────────────────────────┘                               │
│                                                                                  │
└─────────────────────────────────────────────────────────────────────────────────┘
                                     │
                    Integration with Claude Flow V3
                                     │
        ┌────────────────────────────┼────────────────────────────┐
        │                            │                            │
        ▼                            ▼                            ▼
┌───────────────┐          ┌───────────────┐          ┌───────────────┐
│ Security      │          │ Memory        │          │ Coordination  │
│ Domain (V3)   │          │ Domain (V3)   │          │ Domain (V3)   │
├───────────────┤          ├───────────────┤          ├───────────────┤
│ Conformist    │          │ Shared Kernel │          │ Shared Kernel │
│ (Security     │          │ (AgentDB/HNSW │          │ (Hive Mind    │
│  compliance   │          │  memory       │          │  consensus)   │
│  uses V3)     │          │  sharing)     │          │               │
└───────────────┘          └───────────────┘          └───────────────┘

Integration Relationships

QE Context	V3 Domain	Relationship	Description
test-generation	Core	Customer-Supplier	QE generates tests, Core executes
coverage-analysis	Memory	Shared Kernel	Shared HNSW vector index
security-compliance	Security	Conformist	QE adapts to V3 security
code-intelligence	Memory	Shared Kernel	Shared knowledge graph storage
chaos-resilience	Coordination	Partnership	Coordinated fault injection
learning-optimization	Integration	Shared Kernel	Shared ReasoningBank
quality-assessment	Core	Customer-Supplier	QE assesses, Core acts

Bounded Contexts

1. Test Generation Context

Responsibility: AI-powered creation of tests across paradigms

Agents: 12

• unit-test-generator - Unit test creation with mocking
• integration-test-generator - Component integration tests
• e2e-test-generator - End-to-end scenario tests
• property-test-generator - Property-based testing
• mutation-test-generator - Mutation testing for test quality
• fuzz-test-generator - Fuzz testing for edge cases
• api-test-generator - REST/GraphQL API tests
• performance-test-generator - Load and performance tests
• security-test-generator - Security-focused tests
• accessibility-test-generator - WCAG compliance tests
• contract-test-generator - Contract-based tests
• bdd-test-generator - Behavior-driven development

Ubiquitous Language:

• Test Fixture: Setup state for test execution
• Test Case: Individual test with assertion
• Test Suite: Collection of related test cases
• Mock: Simulated dependency with programmed behavior
• Stub: Simplified dependency providing canned responses

2. Test Execution Context

Responsibility: Running tests with parallelization, retry, and reporting

Agents: 8

• test-runner - Core test execution engine
• parallel-executor - Parallelization coordinator
• retry-manager - Flaky test retry logic
• result-aggregator - Combines results across runs
• flaky-test-detector - Identifies non-deterministic tests
• timeout-manager - Execution timeout handling
• resource-allocator - Test resource management
• test-reporter - Report generation

Ubiquitous Language:

• Test Run: Single execution of a test suite
• Flaky Test: Non-deterministic test with intermittent failures
• Parallel Shard: Subset of tests for parallel execution
• Test Report: Summary of execution results

3. Coverage Analysis Context

Responsibility: O(log n) gap detection and prioritization

Agents: 6

• coverage-collector - Gathers coverage data
• gap-detector - Identifies uncovered code
• priority-ranker - Ranks gaps by importance
• hotspot-analyzer - Finds frequently changed uncovered code
• trend-tracker - Tracks coverage over time
• impact-assessor - Assesses risk of uncovered code

Ubiquitous Language:

• Coverage Gap: Code without test coverage
• Hotspot: High-change area without coverage
• Coverage Delta: Change in coverage between runs
• Risk Score: Assessed risk of uncovered code

4. Quality Assessment Context

Responsibility: Quality gates and release readiness decisions

Agents: 5

• quality-gate-evaluator - Evaluates gate criteria
• readiness-assessor - Determines release readiness
• risk-calculator - Calculates quality risk
• metric-aggregator - Combines quality metrics
• decision-maker - Makes go/no-go decisions

Ubiquitous Language:

• Quality Gate: Threshold criteria for quality
• Readiness Score: Numeric assessment of release readiness
• Quality Debt: Accumulated quality issues
• Go/No-Go Decision: Binary release decision

5. Defect Intelligence Context

Responsibility: ML-based defect prediction and root cause analysis

Agents: 4

• defect-predictor - Predicts likely defects
• root-cause-analyzer - Determines defect causes
• pattern-detector - Finds recurring defect patterns
• regression-tracker - Tracks regression defects

Ubiquitous Language:

• Defect Prediction: ML-based likelihood assessment
• Root Cause: Underlying reason for defect
• Defect Pattern: Recurring defect signature
• Regression: Previously fixed defect that recurs

6. Requirements Validation Context

Responsibility: BDD validation and testability analysis

Agents: 3

• bdd-validator - Validates BDD specifications
• testability-analyzer - Assesses requirement testability
• requirement-tracer - Traces requirements to tests

Ubiquitous Language:

• Given-When-Then: BDD scenario format
• Testability Score: How easily a requirement can be tested
• Requirement Trace: Link from requirement to test

7. Code Intelligence Context

Responsibility: Knowledge graph and semantic code search

Agents: 5

• knowledge-graph-builder - Builds code knowledge graph
• semantic-searcher - Semantic code search
• dependency-analyzer - Analyzes code dependencies
• complexity-assessor - Measures code complexity
• pattern-miner - Discovers code patterns

Ubiquitous Language:

• Knowledge Graph: Graph of code entities and relationships
• Semantic Query: Natural language code search
• Dependency Chain: Series of code dependencies
• Complexity Score: Cyclomatic/cognitive complexity

8. Security Compliance Context

Responsibility: SAST, DAST, and compliance auditing

Agents: 4

• sast-scanner - Static application security testing
• dast-scanner - Dynamic application security testing
• audit-trail-manager - Compliance audit management
• compliance-checker - Standards compliance verification

Ubiquitous Language:

• SAST Finding: Static analysis security issue
• DAST Finding: Dynamic analysis security issue
• Compliance Standard: Security standard (OWASP, PCI-DSS)
• Audit Trail: Record of security-relevant actions

9. Contract Testing Context

Responsibility: API contract validation

Agents: 3

• openapi-validator - OpenAPI/Swagger validation
• graphql-validator - GraphQL schema validation
• grpc-validator - gRPC/Protobuf validation

Ubiquitous Language:

• Contract: API specification agreement
• Provider: API implementation
• Consumer: API client
• Contract Violation: Mismatch between spec and implementation

10. Visual Accessibility Context

Responsibility: Visual regression and WCAG compliance

Agents: 3

• visual-regression-detector - Screenshot comparison
• wcag-checker - Accessibility compliance
• screenshot-differ - Image diff analysis

Ubiquitous Language:

• Visual Baseline: Reference screenshot
• Visual Diff: Detected screenshot changes
• WCAG Violation: Accessibility standard failure
• Contrast Ratio: Text/background contrast measurement

11. Chaos Resilience Context

Responsibility: Chaos engineering and resilience validation

Agents: 4

• chaos-injector - Injects controlled failures
• load-generator - Generates load for stress testing
• resilience-assessor - Assesses system resilience
• recovery-validator - Validates recovery procedures

Ubiquitous Language:

• Chaos Experiment: Controlled failure injection
• Blast Radius: Scope of chaos impact
• Recovery Time: Time to recover from failure
• Resilience Score: System's ability to handle failures

12. Learning Optimization Context

Responsibility: Cross-domain transfer learning

Agents: 2

• cross-domain-learner - Transfers patterns across domains
• pattern-optimizer - Optimizes learned patterns

Ubiquitous Language:

• Transfer Learning: Applying patterns from one domain to another
• Pattern Effectiveness: Success rate of applied patterns
• Dream Cycle: Offline pattern consolidation

Agent Inventory

Total: 51 QE Agents + 7 TDD Subagents

Context	Agent Count	Complexity
test-generation	12	High
test-execution	8	Medium
coverage-analysis	6	High
quality-assessment	5	Medium
defect-intelligence	4	High
requirements-validation	3	Medium
code-intelligence	5	High
security-compliance	4	High
contract-testing	3	Medium
visual-accessibility	3	Medium
chaos-resilience	4	High
learning-optimization	2	Medium
Total	59	-

TDD Subagents (7)

Used for London-style TDD red-green-refactor cycles:

1. requirement-analyzer - Analyzes requirements for testability
2. test-designer - Designs test structure and assertions
3. red-phase-executor - Executes failing test phase
4. green-phase-implementer - Implements minimal passing code
5. refactor-advisor - Suggests refactoring improvements
6. coverage-verifier - Verifies coverage targets met
7. cycle-coordinator - Orchestrates the TDD cycle

Memory Namespaces

All QE data is stored under the aqe/v3/ namespace prefix:

Namespace	Purpose	Vector Dim	HNSW Config
aqe/v3/test-patterns	Learned test generation patterns	384	M=16, efC=200
aqe/v3/coverage-data	Coverage analysis results	384	M=12, efC=150
aqe/v3/defect-patterns	Defect intelligence data	384	M=16, efC=200
aqe/v3/code-knowledge	Code knowledge graph	384	M=24, efC=300
aqe/v3/security-findings	Security scan results	384	M=16, efC=200
aqe/v3/contracts	API contract definitions	384	M=12, efC=150
aqe/v3/visual-baselines	Visual regression baselines	768	M=32, efC=400
aqe/v3/chaos-experiments	Chaos experiment data	384	M=12, efC=150
aqe/v3/learning-trajectories	ReasoningBank trajectories	384	M=16, efC=200

Related Documentation

• ADR-030: Agentic-QE Integration
• Domain Model
• Integration Points
• ADR-015: Unified Plugin System
• ADR-006: Unified Memory Service