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package packed_test
import (
"os"
"path/filepath"
"strings"
"testing"
"lindenii.org/go/furgit/internal/testgit"
"lindenii.org/go/furgit/object/id"
"lindenii.org/go/furgit/object/store/packed"
)
// makeGitPack seeds a repository,
// packs the seeded objects with git pack-objects,
// and returns the repository, the artifact path prefix,
// and the seeded objects.
func makeGitPack(t *testing.T, objectFormat id.ObjectFormat) (*testgit.Repo, string, testgit.Seeded) {
t.Helper()
repo, err := testgit.NewRepo(t, testgit.RepoOptions{ObjectFormat: objectFormat})
if err != nil {
t.Fatalf("NewRepo: %v", err)
}
seeded, err := repo.SeedHistory(t)
if err != nil {
t.Fatalf("SeedHistory: %v", err)
}
prefix, err := repo.PackObjects(t, seeded.All(), testgit.PackObjectsOptions{})
if err != nil {
t.Fatalf("PackObjects: %v", err)
}
return repo, prefix, seeded
}
// requireDeltas asserts that the pack at prefix
// contains at least one deltified entry,
// so that tests really do exercise delta resolution.
func requireDeltas(t *testing.T, repo *testgit.Repo, prefix string, objectFormat id.ObjectFormat) {
t.Helper()
out, err := repo.VerifyPack(t, prefix+".idx")
if err != nil {
t.Fatalf("VerifyPack: %v", err)
}
hexLen := objectFormat.HexLen()
for line := range strings.Lines(string(out)) {
fields := strings.Fields(line)
if len(fields) >= 7 && len(fields[0]) == hexLen {
return
}
}
t.Fatalf("fixture pack contains no deltified entries")
}
// openPackedStore opens a packed store
// over the directory containing prefix's pack artifacts.
func openPackedStore(t *testing.T, prefix string, objectFormat id.ObjectFormat) *packed.Packed {
t.Helper()
root, err := os.OpenRoot(filepath.Dir(prefix))
if err != nil {
t.Fatalf("OpenRoot: %v", err)
}
t.Cleanup(func() { _ = root.Close() })
packedStore, err := packed.New(root, objectFormat)
if err != nil {
t.Fatalf("New: %v", err)
}
t.Cleanup(func() { _ = packedStore.Close() })
return packedStore
}
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