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🧪 Test Suite Index

Comprehensive test suites for Byzantine-tolerant federated learning validation.

Evidence note: Historical test artifacts in this folder capture prior runs. Treat them as benchmark evidence, not guaranteed outcomes for every environment. Use current CI and local reruns for present-state validation.

Final Summaries

Consolidated checkpoints for latest captured runs.

FINAL_TEST_SUMMARY_20260227.md  - Final 200-round capture summary (latest)

Test File Catalog

For a categorized inventory of test files across tests/, root-level compatibility scripts, Go test files, and archived legacy assets, see:

tests/docs/TEST_FILE_CATALOG.md

Scale Tests (tests/scale-tests/)

Large-scale performance and scalability validation.

bft_week2_100k_nodes.py          - 100K node scaling validation
bft_week2_5000_node_scaling.py   - 5K node scaling test
bft_stress_test_500k.py          - 500K node stress test
bft_extreme_scale_10m.py         - 10M node extreme scale test
bft_20node_200round_boundary.py  - 20 node, 200 round, 50-70% BFT boundary sweep

Running Scale Tests

python tests/scale-tests/bft_week2_100k_nodes.py        # 100K validation
python tests/scale-tests/bft_stress_test_500k.py        # 500K stress
python tests/scale-tests/bft_extreme_scale_10m.py       # 10M extreme
python tests/scale-tests/bft_20node_200round_boundary.py # 20-node 200-round boundary

Byzantine Tests (tests/byzantine-tests/)

Byzantine tolerance and boundary analysis.

bft_week2_100k_byzantine_boundary.py      - 51-60% Byzantine boundary
bft_boundary_52_55_5_targeted.py          - 52-55.5% targeted analysis
bft_week2_mnist_validation.py             - MNIST real data validation

Running Byzantine Tests

python tests/byzantine-tests/bft_week2_100k_byzantine_boundary.py   # Boundary sweep
python tests/byzantine-tests/bft_boundary_52_55_5_targeted.py       # Detailed boundary
python tests/byzantine-tests/bft_week2_mnist_validation.py          # Real data

Stress Tests (tests/stress-tests/)

Failure modes, cascading failures, network partitions.

bft_week2_failure_modes.py        - Node crash, dropout, timeout
bft_week2_cascading_failures.py   - Cascading failure analysis
bft_week2_network_partitions.py   - Network partition scenarios
bft_week2_gpu_profiling.py        - GPU acceleration profiling
bft_week2_production_readiness.py - Production readiness report

Running Stress Tests

python tests/stress-tests/bft_week2_failure_modes.py              # Failure scenarios
python tests/stress-tests/bft_week2_cascading_failures.py         # Cascading analysis
python tests/stress-tests/bft_week2_network_partitions.py         # Network scenarios
python tests/stress-tests/bft_week2_production_readiness.py       # Readiness check

Test Results (results/)

Test Runs (results/test-runs/)

Raw output from test executions.

100k_nodes_results.json
500k_nodes_results.json
10m_nodes_results.json
boundary_test_results.json

Benchmarks (results/benchmarks/)

Performance metrics and comparisons.

throughput_analysis.csv
latency_benchmarks.csv
accuracy_by_scale.csv
memory_usage.csv

Analysis (results/analysis/)

Comprehensive analysis documents.

EXTREME_SCALE_10M_RESULTS.md
STRESS_TEST_500K_RESULTS.md
BYZANTINE_BOUNDARY_TEST_RESULTS.md
TEST_EXECUTION_SUMMARY.md
RESEARCH_FINDINGS.md

Test Matrix

Test Type Scale Byzantine % Duration Status
Scale 100K 0-50% 50min Historical run artifact
Scale 500K 40-55% 150s Historical run artifact
Scale 10M 40-50% 14min Historical run artifact
Byzantine 100K 51-60% 537s Historical run artifact
Byzantine 100K 52-55.5% 353s Historical run artifact
Byzantine Varied MNIST 86s Historical run artifact
Stress 500K 40-55% 150s Historical run artifact
Stress 10M 40-50% 14min Historical run artifact
Failure 200N Various 35s Historical run artifact
Partition 200-500N Various 30s Historical run artifact

Quick Test Commands

Run Complete Test Suite

# All scale tests
for test in tests/scale-tests/*.py; do python "$test"; done

# All Byzantine tests
for test in tests/byzantine-tests/*.py; do python "$test"; done

# All stress tests
for test in tests/stress-tests/*.py; do python "$test"; done

Run Specific Test Tier

# Production readiness check (fastest)
python tests/stress-tests/bft_week2_production_readiness.py

# Byzantine boundary analysis (medium)
python tests/byzantine-tests/bft_boundary_52_55_5_targeted.py

# 500K stress test (long)
python tests/scale-tests/bft_stress_test_500k.py

# 10M extreme scale (very long - 1 hour)
python tests/scale-tests/bft_extreme_scale_10m.py

Test Success Criteria

Scale Tests

  • ✅ All nodes process successfully
  • ✅ Latency within expected range
  • ✅ Memory efficient (no bloat)
  • ✅ Accuracy maintained (80%+)

Byzantine Tests

  • ✅ Byzantine detection working
  • ✅ Convergence maintained
  • ✅ Recovery time tracked
  • ✅ Accuracy floor identified

Stress Tests

  • ✅ Failures handled gracefully
  • ✅ Network partitions detected
  • ✅ Cascades contained
  • ✅ System recovers

Results Interpretation

Accuracy Thresholds

>90%:  Excellent (no Byzantine stress)
85-90%: Good (light Byzantine stress)
80-85%: Acceptable (medium Byzantine stress)
75-80%: Degraded (high Byzantine stress)
<75%:  Failure (beyond tolerance)

Latency Expectations

100K nodes:  15-20s/round
500K nodes:  10s/round (optimized)
10M nodes:   127-154s/round

Byzantine Tolerance

40% Byzantine:  Safe zone
50% Byzantine:  Validated
55% Byzantine:  Boundary
60%+ Byzantine: Not recommended

Troubleshooting

Test Timeout

Increase timeout parameter in test file or run on faster hardware.

Memory Issues

Reduce node count or run on machine with more RAM. Streaming minimizes memory.

Byzantine Detection Not Working

Verify attack pattern in test matches implementation. Check aggregation function.

Cascading Failures

This is expected behavior. Verify failure rate matches test configuration.

Adding New Tests

  1. Create file in appropriate directory (scale/byzantine/stress)
  2. Follow naming convention: bft_<week>_<description>.py
  3. Use existing test patterns as template
  4. Document test purpose and success criteria
  5. Add to this index
  6. Run and verify results

Performance Baseline

Historical Results

Week 1: 1K-1000 nodes | Historical scaling snapshot
Week 2: 100K nodes | Byzantine tolerance validated
Week 3: 500K nodes | Stress tested
Week 3: 10M nodes | Extreme scale historical snapshot

Regression Detection

If new runs significantly differ from historical results, investigate:

  1. Hardware changes
  2. Configuration changes
  3. Algorithm updates
  4. System load variations

Test Suite Documentation
v1.0.0a Release
February 24, 2026