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restic/internal/repository/repair_index_test.go
2024-08-10 19:34:49 +02:00

81 lines
2.4 KiB
Go

package repository_test
import (
"context"
"math/rand"
"testing"
"time"
"github.com/restic/restic/internal/backend"
"github.com/restic/restic/internal/checker"
"github.com/restic/restic/internal/repository"
"github.com/restic/restic/internal/restic"
rtest "github.com/restic/restic/internal/test"
"github.com/restic/restic/internal/ui/progress"
)
func listIndex(t *testing.T, repo restic.Lister) restic.IDSet {
return listFiles(t, repo, restic.IndexFile)
}
func testRebuildIndex(t *testing.T, readAllPacks bool, damage func(t *testing.T, repo *repository.Repository, be backend.Backend)) {
seed := time.Now().UnixNano()
random := rand.New(rand.NewSource(seed))
t.Logf("rand initialized with seed %d", seed)
repo, be := repository.TestRepositoryWithVersion(t, 0)
createRandomBlobs(t, random, repo, 4, 0.5, true)
createRandomBlobs(t, random, repo, 5, 0.5, true)
indexes := listIndex(t, repo)
t.Logf("old indexes %v", indexes)
damage(t, repo, be)
repo = repository.TestOpenBackend(t, be)
rtest.OK(t, repository.RepairIndex(context.TODO(), repo, repository.RepairIndexOptions{
ReadAllPacks: readAllPacks,
}, &progress.NoopPrinter{}))
checker.TestCheckRepo(t, repo, true)
}
func TestRebuildIndex(t *testing.T) {
for _, test := range []struct {
name string
damage func(t *testing.T, repo *repository.Repository, be backend.Backend)
}{
{
"valid index",
func(t *testing.T, repo *repository.Repository, be backend.Backend) {},
},
{
"damaged index",
func(t *testing.T, repo *repository.Repository, be backend.Backend) {
index := listIndex(t, repo).List()[0]
replaceFile(t, be, backend.Handle{Type: restic.IndexFile, Name: index.String()}, func(b []byte) []byte {
b[0] ^= 0xff
return b
})
},
},
{
"missing index",
func(t *testing.T, repo *repository.Repository, be backend.Backend) {
index := listIndex(t, repo).List()[0]
rtest.OK(t, be.Remove(context.TODO(), backend.Handle{Type: restic.IndexFile, Name: index.String()}))
},
},
{
"missing pack",
func(t *testing.T, repo *repository.Repository, be backend.Backend) {
pack := listPacks(t, repo).List()[0]
rtest.OK(t, be.Remove(context.TODO(), backend.Handle{Type: restic.PackFile, Name: pack.String()}))
},
},
} {
t.Run(test.name, func(t *testing.T) {
testRebuildIndex(t, false, test.damage)
testRebuildIndex(t, true, test.damage)
})
}
}