restic/internal/backend/rclone/backend_test.go

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package rclone_test
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
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"path/filepath"
"testing"
"github.com/restic/restic/internal/backend/rclone"
"github.com/restic/restic/internal/backend/test"
"github.com/restic/restic/internal/errors"
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"github.com/restic/restic/internal/restic"
rtest "github.com/restic/restic/internal/test"
)
const rcloneConfig = `
[local]
type = local
`
func newTestSuite(t testing.TB) *test.Suite {
dir, cleanup := rtest.TempDir(t)
return &test.Suite{
// NewConfig returns a config for a new temporary backend that will be used in tests.
NewConfig: func() (interface{}, error) {
cfgfile := filepath.Join(dir, "rclone.conf")
t.Logf("write rclone config to %v", cfgfile)
err := ioutil.WriteFile(cfgfile, []byte(rcloneConfig), 0644)
if err != nil {
return nil, err
}
t.Logf("use backend at %v", dir)
repodir := filepath.Join(dir, "repo")
err = os.Mkdir(repodir, 0755)
if err != nil {
return nil, err
}
cfg := rclone.NewConfig()
cfg.Program = fmt.Sprintf("rclone --config %q", cfgfile)
cfg.Remote = "local:" + repodir
return cfg, nil
},
// CreateFn is a function that creates a temporary repository for the tests.
Create: func(config interface{}) (restic.Backend, error) {
t.Logf("Create()")
cfg := config.(rclone.Config)
be, err := rclone.Create(cfg)
if e, ok := errors.Cause(err).(*exec.Error); ok && e.Err == exec.ErrNotFound {
t.Skipf("program %q not found", e.Name)
return nil, nil
}
return be, err
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},
// OpenFn is a function that opens a previously created temporary repository.
Open: func(config interface{}) (restic.Backend, error) {
t.Logf("Open()")
cfg := config.(rclone.Config)
return rclone.Open(cfg)
},
// CleanupFn removes data created during the tests.
Cleanup: func(config interface{}) error {
t.Logf("cleanup dir %v", dir)
cleanup()
return nil
},
}
}
func TestBackendRclone(t *testing.T) {
defer func() {
if t.Skipped() {
rtest.SkipDisallowed(t, "restic/backend/rclone.TestBackendRclone")
}
}()
newTestSuite(t).RunTests(t)
}
func BenchmarkBackendREST(t *testing.B) {
newTestSuite(t).RunBenchmarks(t)
}