package reverse_test import ( "io/ioutil" "net/url" "os" "runtime" "syscall" "testing" "github.com/rfjakob/gocryptfs/tests/test_helpers" ) func TestOneFileSystem(t *testing.T) { if runtime.GOOS != "linux" { t.Skip("only works on linux") } // Let's not explode with "TempDir: pattern contains path separator" myEscapedName := url.PathEscape(t.Name()) mnt, err := ioutil.TempDir(test_helpers.TmpDir, myEscapedName) if err != nil { t.Fatal(err) } cliArgs := []string{"-reverse", "-zerokey", "-one-file-system"} if plaintextnames { cliArgs = append(cliArgs, "-plaintextnames") } else if deterministic_names { cliArgs = append(cliArgs, "-deterministic-names") } test_helpers.MountOrFatal(t, "/", mnt, cliArgs...) defer test_helpers.UnmountErr(mnt) // Copied from inomap const maxPassthruIno = 1<<48 - 1 entries, err := ioutil.ReadDir(mnt) if err != nil { t.Fatal(err) } mountpoints := []string{} for _, e := range entries { if !e.IsDir() { // We are only interested in directories continue } st := e.Sys().(*syscall.Stat_t) // The inode numbers of files with a different device number are remapped // to something above maxPassthruIno if st.Ino > maxPassthruIno { mountpoints = append(mountpoints, e.Name()) } } if len(mountpoints) == 0 { t.Skip("no mountpoints found, nothing to test") } for _, m := range mountpoints { dir, err := os.Open(mnt + "/" + m) if err != nil { t.Error(err) } defer dir.Close() e, err := dir.Readdirnames(-1) if err != nil { t.Error(err) } expected := 1 if plaintextnames || deterministic_names { expected = 0 } if len(e) != expected { t.Errorf("mountpoint %q should have %d entries, actually has: %v", m, expected, e) } } t.Logf("tested %d mountpoints: %v", len(mountpoints), mountpoints) }