# WAVE 103: Test Coverage Visualization ## Coverage by Crate (Manual Analysis) ``` Crate Coverage Gap to 90% ═══════════════════════════════════════════════════════════════════════════════════════ risk ████████████████████████████████████████████████ 89.7% | 0.3% data ████████████████████████████ 55.5% | 34.5% trading_service ████████████████████████████ 55.8% | 34.2% api_gateway █████████████████████████ 50.0% | 40.0% trading_engine ███████████████████████ 43.8% | 46.2% common ████████████████████ 41.0% | 49.0% config ███████████████████ 37.8% | 52.2% ml ████████████████ 35.2% | 54.8% ml_training_service ███████████████ 34.8% | 55.2% adaptive-strategy ███████████████ 32.2% | 57.8% storage ███████████████ 32.2% | 57.8% database ██████████████ 30.6% | 59.4% tli ████████████ 27.2% | 62.8% backtesting ████ 10.1% | 79.9% backtesting_service █ 2.1% | 87.9% ═══════════════════════════════════════════════════════════════════════════════════════ WORKSPACE AVERAGE ████████████████████ 42.6% | 47.4% ``` ## Coverage Distribution ``` TIER CRATES PERCENTAGE ════════════════════════════════════════════ ≥90% (MEETS TARGET) 1 6.7% ✅ 75-89% (GOOD) 0 0.0% 60-74% (MODERATE) 0 0.0% 45-59% (LOW) 3 20.0% 🟡 <45% (CRITICAL) 11 73.3% 🔴 ════════════════════════════════════════════ ``` ## Test Volume by Crate ``` Crate Tests Functions Ratio ═══════════════════════════════════════════════ ml 1,223 3,471 35.2% trading_engine 1,218 2,780 43.8% data 702 1,264 55.5% risk 615 686 89.7% trading_service 463 830 55.8% adaptive-strategy 276 856 32.2% api_gateway 208 416 50.0% tli 207 761 27.2% common 206 503 41.0% config 129 341 37.8% ml_training_service 126 362 34.8% storage 64 199 32.2% database 49 160 30.6% backtesting 17 169 10.1% backtesting_service 3 141 2.1% ═══════════════════════════════════════════════ TOTAL 5,506 12,939 42.6% ``` ## Effort Required to Reach 90% ``` CURRENT STATE: Tests: 5,506 Functions: 12,939 Coverage: 42.6% TARGET STATE (90%): Tests Needed: 12,151 (assuming 1 test per function) Additional Tests: 6,645 Effort: 1,661 hours (207 developer-days) PHASED APPROACH: ┌─────────────────────────────────────────────────────┐ │ Phase 1 (60%): +2,113 tests | 3-4 weeks | 2 devs │ ├─────────────────────────────────────────────────────┤ │ Phase 2 (75%): +4,195 tests | 2-3 months | 2 devs │ ├─────────────────────────────────────────────────────┤ │ Phase 3 (90%): +6,645 tests | 4-6 months | 2 devs │ └─────────────────────────────────────────────────────┘ ``` ## Critical Gaps Analysis ### Lowest Coverage Crates (Require Immediate Attention) ``` backtesting_service (2.1%): Current: 3 tests Target (90%): 127 tests Gap: 124 tests Priority: 🔴 CRITICAL Effort: 2 weeks (1 dev) backtesting (10.1%): Current: 17 tests Target (90%): 152 tests Gap: 135 tests Priority: 🔴 CRITICAL Effort: 2 weeks (1 dev) tli (27.2%): Current: 207 tests Target (90%): 685 tests Gap: 478 tests Priority: 🔴 HIGH Effort: 6 weeks (1 dev) ``` ## Coverage Timeline Projection ``` MONTH 0 (Oct 2025): Current: 42.6% ████████████████████ Status: BASELINE ESTABLISHED MONTH 1 (Nov 2025): Target: 55% ███████████████████████████ +1,000 tests (critical gaps) Focus: backtesting, backtesting_service, database MONTH 2 (Dec 2025): Target: 65% ████████████████████████████████ +2,800 tests (cumulative) Focus: tli, storage, ml_training_service MONTH 3 (Jan 2026): Target: 75% ████████████████████████████████████ +4,200 tests (cumulative) Focus: trading_engine, common, config MONTH 4-6 (Feb-Apr 2026): Target: 90% ████████████████████████████████████████████ +6,645 tests (cumulative) Focus: ml, adaptive-strategy, refinement ``` ## Comparison: Estimate vs Reality ``` WAVE METHOD COVERAGE STATUS ══════════════════════════════════════════════════ Wave 81 Manual Analysis 75-85% ❓ OVERESTIMATE Wave 100 +704 tests 75-85% ❓ OVERESTIMATE Wave 102 Manual Analysis 75-85% ❓ OVERESTIMATE Wave 103 Code Inspection 42.6% ✅ REALISTIC REALITY CHECK: Previous Estimate: 75-85% Measured: 42.6% Overestimation: 32-42 percentage points Reason: Test count vs function coverage mismatch ``` ## Key Insights 1. **Only 1 of 15 crates meets 90% target** (risk at 89.7%) 2. **73% of crates have critical coverage gaps** (<45%) 3. **~5 months to 90%** with 2 developers working full-time 4. **Previous estimates severely overoptimistic** (75-85% vs 42.6%) 5. **Production deployment still approved** (Wave 79 at 87.8%) ## Recommendations ### Immediate (Week 1) - ✅ Accept 42.6% as baseline - ⏳ Fix coverage tool timeouts - ⏳ Prioritize backtesting_service (2.1%) ### Short-term (Weeks 2-4) - Target 60% workspace coverage - Focus on critical gaps (<30%) - Add ~2,100 tests ### Medium-term (Months 2-3) - Target 75% workspace coverage - Elevate all crates above 60% - Add ~4,200 tests ### Long-term (Months 4-6) - Achieve 90% workspace coverage - All crates above 85% - Add ~6,600 tests --- Generated: 2025-10-04 Source: WAVE103 Agent 11 Manual Coverage Analysis Tool: Python code inspection (test-to-function ratio)