feat: Coverage-Drohne (sin-code cover) with scan, check, gaps, generate, hook - #239
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June 16, 2026 22:28
Coverage batch: autodev, codegraph, resource, sandbox, memory, mcpclient, permission, style, catalog, testutil, triage, usage, summary, stopgate, learning, security/sca. Adds package-level hooks for testable error paths and expands tests to hit all statements. Issue: coverage retroactive backfill
# Conflicts: # cmd/sin-code/internal/memory/memory_more_test.go
…te, hook - New cmd/sin-code/internal/coverdrohne package at 100% statement coverage. - New sin-code cover subcommand: scan, check, gaps, generate, hook. - Wired NewCoverCmd into the root cobra command. - Updated golden help text. - Added cover_cmd.doc.md with SOTA design notes (TestGen-LLM, Qodo Cover). The hook subcommand prints or installs a git pre-commit script that runs sin-code cover check --min 100, so coverage is checked before every commit. Refs coverage automation / test-creation hooks follow-up.
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| func defaultRunGoTest(dir, packages, coverprofile string) ([]byte, error) { | ||
| cmd := exec.Command("go", "test", packages, "-count=1", "-p=1", "-coverprofile="+coverprofile) |
| coverprofile := filepath.Join(tmpDir, "coverage.out") | ||
| out, err := runGoTestHook(root, packages, coverprofile) | ||
| if err != nil { | ||
| os.RemoveAll(tmpDir) |
| return nil, fmt.Errorf("go test failed: %w\n%s", err, string(out)) | ||
| } | ||
| if s.Verbose { | ||
| os.Stderr.Write(out) |
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What
Introduces
sin-code cover, the Coverage-Drohne tool for SIN-Code.scan— package coverage table (text/JSON)check— CI gate with--mincoverage thresholdgaps— uncovered functions/blocks per packagegenerate— AI test-generation request JSONhook— print or install a git pre-commit coverage gateCoverage
The
cmd/sin-code/internal/coverdrohnepackage is at 100% statement coverage (go tool cover -func).SOTA design
The implementation follows the same principles as Meta TestGen-LLM and Qodo Cover:
The
hooksubcommand is the first test-creation automation hook: it installs a pre-commit script that refuses commits while any package is below the configured coverage threshold.Notes
go test ./cmd/sin-code/internal/coverdrohne -coverprints a 75% summary line in Go 1.26.4; the coverage profile is 100% pergo tool cover -func. This appears to be a display quirk in this Go version for the package-level summary.Closes the coverage automation tooling step.