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feat(go): add unit-cov-gaps recipe #26

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Merged
retr0h merged 2 commits into from
Mar 22, 2026
Merged

feat(go): add unit-cov-gaps recipe #26

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03771c1
feat(go): add unit-cov-gaps recipe for coverage gap heatmap
retr0h Mar 22, 2026
b39f027
docs: add unit-cov-gaps to README recipe table
retr0h Mar 22, 2026
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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -85,6 +85,7 @@ test: go::test go::docs-check bats::test
| `unit` | Run unit tests |
| `unit-int` | Run integration tests (requires running service) |
| `unit-cov` | Run tests with coverage |
| `unit-cov-gaps` | Coverage gaps only with HTML heatmap |
| `unit-cov-map` | Coverage with HTML heatmap |
| `test` | Run all checks (mod, fmt, vet, coverage) |
| `fmt` | Auto-format with gofumpt + golines |
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10 changes: 10 additions & 0 deletions go.just
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Expand Up @@ -101,6 +101,16 @@ unit-cov: _cov-deps
go tool github.com/boumenot/gocover-cobertura < {{ coverage_dir }}/cover.out > {{ coverage_dir }}/cobertura.xml
go tool cover -func={{ coverage_dir }}/cover.out

# Show files without 100% coverage and open heatmap of only those files
[group('test')]
unit-cov-gaps: unit-cov
#!/usr/bin/env bash
set -euo pipefail
gap_files=$(go tool cover -func={{ coverage_dir }}/cover.out | grep -v '100.0%' | grep -v '^total:' | awk -F: '{print $1}' | sort -u)
if [ -z "$gap_files" ]; then echo "No coverage gaps found."; exit 0; fi
{ head -1 {{ coverage_dir }}/cover.out; grep -F -f <(echo "$gap_files") {{ coverage_dir }}/cover.out; } > {{ coverage_dir }}/gaps.out
go tool cover -html={{ coverage_dir }}/gaps.out

# Generate coverage and show heatmap
[group('test')]
unit-cov-map: unit-cov
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