restic/internal/backend/local/local_test.go
2020-10-09 22:37:24 +02:00

137 lines
2.8 KiB
Go

package local_test
import (
"context"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/restic/restic/internal/backend/local"
"github.com/restic/restic/internal/backend/test"
"github.com/restic/restic/internal/restic"
rtest "github.com/restic/restic/internal/test"
)
func newTestSuite(t testing.TB) *test.Suite {
return &test.Suite{
// NewConfig returns a config for a new temporary backend that will be used in tests.
NewConfig: func() (interface{}, error) {
dir, err := ioutil.TempDir(rtest.TestTempDir, "restic-test-local-")
if err != nil {
t.Fatal(err)
}
t.Logf("create new backend at %v", dir)
cfg := local.Config{
Path: dir,
}
return cfg, nil
},
// CreateFn is a function that creates a temporary repository for the tests.
Create: func(config interface{}) (restic.Backend, error) {
cfg := config.(local.Config)
return local.Create(context.TODO(), cfg)
},
// OpenFn is a function that opens a previously created temporary repository.
Open: func(config interface{}) (restic.Backend, error) {
cfg := config.(local.Config)
return local.Open(context.TODO(), cfg)
},
// CleanupFn removes data created during the tests.
Cleanup: func(config interface{}) error {
cfg := config.(local.Config)
if !rtest.TestCleanupTempDirs {
t.Logf("leaving test backend dir at %v", cfg.Path)
}
rtest.RemoveAll(t, cfg.Path)
return nil
},
}
}
func TestBackend(t *testing.T) {
newTestSuite(t).RunTests(t)
}
func BenchmarkBackend(t *testing.B) {
newTestSuite(t).RunBenchmarks(t)
}
func readdirnames(t testing.TB, dir string) []string {
f, err := os.Open(dir)
if err != nil {
t.Fatal(err)
}
entries, err := f.Readdirnames(-1)
if err != nil {
t.Fatal(err)
}
err = f.Close()
if err != nil {
t.Fatal(err)
}
return entries
}
func empty(t testing.TB, dir string) {
entries := readdirnames(t, dir)
if len(entries) != 0 {
t.Fatalf("directory %v is not empty, contains: %v", dir, entries)
}
}
func openclose(t testing.TB, dir string) {
cfg := local.Config{Path: dir}
be, err := local.Open(context.TODO(), cfg)
if err != nil {
t.Logf("Open returned error %v", err)
}
if be != nil {
err = be.Close()
if err != nil {
t.Logf("Close returned error %v", err)
}
}
}
func mkdir(t testing.TB, dir string) {
err := os.Mkdir(dir, 0700)
if err != nil {
t.Fatal(err)
}
}
func removeAll(t testing.TB, dir string) {
err := os.RemoveAll(dir)
if err != nil {
t.Fatal(err)
}
}
func TestOpenNotExistingDirectory(t *testing.T) {
dir, cleanup := rtest.TempDir(t)
defer cleanup()
// local.Open must not create any files dirs in the repo
openclose(t, filepath.Join(dir, "repo"))
empty(t, dir)
openclose(t, dir)
empty(t, dir)
mkdir(t, filepath.Join(dir, "data"))
openclose(t, dir)
removeAll(t, filepath.Join(dir, "data"))
empty(t, dir)
}