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restic/internal/repository/fuzz_test.go
greatroar c0b5ec55ab repository: Remove empty cleanup functions in tests
TestRepository and its variants always returned no-op cleanup functions.
If they ever do need to do cleanup, using testing.T.Cleanup is easier
than passing these functions around.
2022-12-11 11:06:25 +01:00

45 lines
1.0 KiB
Go

package repository
import (
"context"
"testing"
"github.com/restic/restic/internal/backend/mem"
"github.com/restic/restic/internal/restic"
"golang.org/x/sync/errgroup"
)
// Test saving a blob and loading it again, with varying buffer sizes.
// Also a regression test for #3783.
func FuzzSaveLoadBlob(f *testing.F) {
f.Fuzz(func(t *testing.T, blob []byte, buflen uint) {
if buflen > 64<<20 {
// Don't allocate enormous buffers. We're not testing the allocator.
t.Skip()
}
id := restic.Hash(blob)
repo := TestRepositoryWithBackend(t, mem.New(), 2)
var wg errgroup.Group
repo.StartPackUploader(context.TODO(), &wg)
_, _, _, err := repo.SaveBlob(context.TODO(), restic.DataBlob, blob, id, false)
if err != nil {
t.Fatal(err)
}
err = repo.Flush(context.TODO())
if err != nil {
t.Fatal(err)
}
buf, err := repo.LoadBlob(context.TODO(), restic.DataBlob, id, make([]byte, buflen))
if err != nil {
t.Fatal(err)
}
if restic.Hash(buf) != id {
t.Fatal("mismatch")
}
})
}