[Coverage Report] Test Coverage Report — 2026-05-25

[github-actions[bot]]

📊 Test Coverage Report — 2026-05-25

Overall Coverage — ✅ Excellent

Metric	Coverage	Status
Statements	96.42%	✅ Excellent
Branches	90.92%	✅ Very Good
Functions	97.99%	✅ Excellent
Lines	96.58%	✅ Excellent

Total: 4,285 of 4,444 statements covered
Test-to-Source Ratio: 1.01 (135 test files / 133 source files)

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🔴 Critical Gaps (< 50% statement coverage)

None! ✅ All files have statement coverage ≥ 50%

The only file with 0% coverage is agent-environment.ts, which is a re-export barrel file with no logic:

export { buildAgentEnvironment } from './agent-environment/environment-builder';

Its actual implementation modules are all well-tested.

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🟡 Low Coverage (50–79% statement coverage)

None! ✅ All files have statement coverage ≥ 80%

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🛡️ Security-Critical Path Status — All Green ✅

File	Statements	Branches	Functions	Status
squid-config.ts	100%	100%	100%	✅ Perfect
host-iptables.ts	100%	100%	100%	✅ Perfect
host-iptables-rules.ts	97.05%	94.02%	100%	✅ Excellent
docker-manager.ts	100%	100%	100%	✅ Perfect
domain-patterns.ts	97.67%	95.38%	100%	✅ Excellent
cli.ts	85.71%	50%	100%	✅ Good

All security-critical modules have excellent coverage. The firewall's domain ACL generation, iptables rule generation, and container lifecycle management are thoroughly tested.

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📋 Files With Room for Improvement (< 80% in any metric)

These files have good coverage but could be improved to reach 100%:

File	Statements	Branches	Functions	Lines	Gap
network-options.ts	81.25%	50%	100%	81.25%	Branch coverage
hosts-file.ts	80.95%	66.66%	100%	79.48%	Branch coverage
audit-enricher.ts	83.6%	74.13%	100%	89.36%	Branch coverage
log-parser.ts	85.52%	65.62%	100%	86.48%	Branch coverage
cli.ts	85.71%	50%	100%	85.71%	Branch coverage
cli-options.ts	93.02%	60%	25%	93.02%	Function coverage
environment-builder.ts	93.54%	66.66%	100%	93.54%	Branch coverage
doh-proxy-service.ts	90%	75%	100%	90%	Branch coverage
workspace-mounts.ts	100%	78.57%	100%	100%	Branch coverage

Pattern: Most gaps are in branch coverage — error handling paths and edge cases need more tests.

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🔍 Notable Findings

1. Strong test discipline — 96.42% overall statement coverage is exceptional for a security-critical project
2. Security modules at 100% — The most critical files (squid-config.ts, host-iptables.ts, docker-manager.ts) have perfect or near-perfect coverage
3. Branch coverage gaps — Most files below 80% coverage have untested error-handling branches, not missing core logic tests
4. Recent refactoring well-tested — Recent changes to cli.ts, api-proxy-config.ts, and command modules all have strong test coverage

Specific uncovered branches identified:

• cli.ts (50% branches) — Error handling paths in CLI entry point (e.g., config file loading failures, invalid options)
• network-options.ts (50% branches) — Edge cases in DNS server validation and network configuration
• log-parser.ts (65.62% branches) — Error paths when parsing malformed Squid logs or iptables output
• cli-options.ts (25% functions) — Some option parser helper functions not directly invoked in tests

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📈 Recommendations

Priority 1: Branch Coverage in Core Modules (Low Effort, High Value)

1. cli.ts — Add tests for:

   • Config file loading errors
   • Invalid option combinations
   • Signal handling edge cases

2. network-options.ts — Add tests for:

   • Invalid DNS server IP addresses
   • Conflicting network configuration options
   • IPv6 edge cases

3. log-parser.ts — Add tests for:

   • Malformed Squid log lines
   • Missing fields in log entries
   • Unparseable timestamp formats

Priority 2: Function Coverage in Utility Modules (Medium Effort)

4. cli-options.ts — Ensure all helper functions are covered by calling them in realistic scenarios

5. environment-builder.ts — Test remaining error paths in environment variable construction

Priority 3: Edge Cases in Supporting Modules (Lower Priority)

6. hosts-file.ts, audit-enricher.ts, doh-proxy-service.ts — These have good coverage (>80%) but could reach 100% with a few additional edge-case tests

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🎯 Suggested Next Actions

1. Maintain current discipline — The test-to-source ratio (1.01) shows every source file has a corresponding test file
2. Focus on branches — Run npm run test:coverage and open coverage/index.html to see exactly which branches are uncovered
3. Use mutation testing (future enhancement) — Consider adding stryker or similar to find logic gaps not caught by coverage
4. Set branch coverage threshold — Consider raising the Jest threshold for branches from current 90.92% to 92% or higher

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📦 Coverage Report Details

Full HTML coverage report available at: coverage/index.html

To view locally:

npm run test:coverage
open coverage/index.html  # macOS
xdg-open coverage/index.html  # Linux

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Generated by test-coverage-reporter workflow on 2026-05-25
Workflow Run: #26409034802
Trigger: push

Generated by Test Coverage Reporter · ● 3.3M · ◷

• expires on Jun 1, 2026, 4:00 PM UTC

[github-actions[bot]]

🔮 The ancient spirits stir: the Codex smoke test agent passed through this chamber, reading the runes and leaving this oracle mark behind.

Warning

Firewall blocked 1 domain

The following domain was blocked by the firewall during workflow execution:

• registry.npmjs.org

To allow these domains, add them to the network.allowed list in your workflow frontmatter:

network:
  allowed:
    - defaults
    - "registry.npmjs.org"

See Network Configuration for more information.

🔮 The oracle has spoken through Smoke Codex

[github-actions[bot]]

🔮 The ancient spirits stir... the smoke test agent passed beneath the archive moon and left this oracle mark in the repository ether.

Warning

Firewall blocked 1 domain

The following domain was blocked by the firewall during workflow execution:

• registry.npmjs.org

To allow these domains, add them to the network.allowed list in your workflow frontmatter:

network:
  allowed:
    - defaults
    - "registry.npmjs.org"

See Network Configuration for more information.

🔮 The oracle has spoken through Smoke Codex

[github-actions[bot]]

🔮 The ancient spirits stir: the smoke test agent was here, and its brief omen has been etched into the workflow record.

Warning

Firewall blocked 1 domain

The following domain was blocked by the firewall during workflow execution:

• registry.npmjs.org

To allow these domains, add them to the network.allowed list in your workflow frontmatter:

network:
  allowed:
    - defaults
    - "registry.npmjs.org"

See Network Configuration for more information.

🔮 The oracle has spoken through Smoke Codex

[github-actions[bot]]

This discussion was automatically closed because it expired on 2026-06-01T16:00:25.150Z.

Closed by Workflow