restic/internal/cache/cache_test.go
greatroar da419be43c cache: Restructure New to remove redundant operations
New and its helpers used to create the cache directories several times
over. They now only do so once. The added test ensures that the cache is
produced in a consistent state when parts are deleted.
2023-05-27 10:32:08 +02:00

46 lines
965 B
Go

package cache
import (
"os"
"path/filepath"
"testing"
"github.com/restic/restic/internal/restic"
rtest "github.com/restic/restic/internal/test"
)
func TestNew(t *testing.T) {
parent := rtest.TempDir(t)
basedir := filepath.Join(parent, "cache")
id := restic.NewRandomID().String()
tagFile := filepath.Join(basedir, "CACHEDIR.TAG")
versionFile := filepath.Join(basedir, id, "version")
const (
stepCreate = iota
stepComplete
stepRmTag
stepRmVersion
stepEnd
)
for step := stepCreate; step < stepEnd; step++ {
switch step {
case stepRmTag:
rtest.OK(t, os.Remove(tagFile))
case stepRmVersion:
rtest.OK(t, os.Remove(versionFile))
}
c, err := New(id, basedir)
rtest.OK(t, err)
rtest.Equals(t, basedir, c.Base)
rtest.Equals(t, step == stepCreate, c.Created)
for _, name := range []string{tagFile, versionFile} {
info, err := os.Lstat(name)
rtest.OK(t, err)
rtest.Assert(t, info.Mode().IsRegular(), "")
}
}
}