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restic/internal/repository/repair_index_test.go
2024-04-14 13:45:15 +02:00

80 lines
2.3 KiB
Go

package repository_test
import (
"context"
"testing"
"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)) {
repo := repository.TestRepository(t).(*repository.Repository)
createRandomBlobs(t, repo, 4, 0.5, true)
createRandomBlobs(t, repo, 5, 0.5, true)
indexes := listIndex(t, repo)
t.Logf("old indexes %v", indexes)
damage(t, repo)
repo = repository.TestOpenBackend(t, repo.Backend()).(*repository.Repository)
rtest.OK(t, repository.RepairIndex(context.TODO(), repo, repository.RepairIndexOptions{
ReadAllPacks: readAllPacks,
}, &progress.NoopPrinter{}))
newIndexes := listIndex(t, repo)
old := indexes.Intersect(newIndexes)
rtest.Assert(t, len(old) == 0, "expected old indexes to be removed, found %v", old)
checker.TestCheckRepo(t, repo, true)
}
func TestRebuildIndex(t *testing.T) {
for _, test := range []struct {
name string
damage func(t *testing.T, repo *repository.Repository)
}{
{
"valid index",
func(t *testing.T, repo *repository.Repository) {},
},
{
"damaged index",
func(t *testing.T, repo *repository.Repository) {
index := listIndex(t, repo).List()[0]
replaceFile(t, repo, 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) {
index := listIndex(t, repo).List()[0]
rtest.OK(t, repo.Backend().Remove(context.TODO(), backend.Handle{Type: restic.IndexFile, Name: index.String()}))
},
},
{
"missing pack",
func(t *testing.T, repo *repository.Repository) {
pack := listPacks(t, repo).List()[0]
rtest.OK(t, repo.Backend().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)
})
}
}