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package deterministic_names
// integration tests that target "-deterministic-names" specifically
import (
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/rfjakob/gocryptfs/tests/test_helpers"
)
var cDir string
var pDir string
var testPw = []byte("test")
// Create and mount "-deterministic-names" fs
func TestMain(m *testing.M) {
cDir = test_helpers.InitFS(nil, "-deterministic-names")
pDir = cDir + ".mnt"
test_helpers.MountOrExit(cDir, pDir, "-deterministic-names", "-extpass", "echo test")
r := m.Run()
test_helpers.UnmountPanic(pDir)
os.Exit(r)
}
// TestDeterministicNames checks that a file with the same plaintext name
// always encrypts to the same ciphertext name
func TestDeterministicNames(t *testing.T) {
// "foo" should encrypt to the same name in both directories
if err := os.MkdirAll(pDir+"/x/foo", 0700); err != nil {
t.Fatal(err)
}
if err := os.MkdirAll(pDir+"/y/foo", 0700); err != nil {
t.Fatal(err)
}
matches, err := filepath.Glob(cDir + "/*/*")
if err != nil || len(matches) != 2 {
t.Fatal(matches, err)
}
if filepath.Base(matches[0]) != filepath.Base(matches[1]) {
t.Error(matches)
}
fooEncrypted := filepath.Base(matches[0])
// "foo" should also encrypt to the same name in the root directory
if err := os.Mkdir(pDir+"/foo", 0700); err != nil {
t.Fatal(err)
}
_, err = os.Stat(cDir + "/" + fooEncrypted)
if err != nil {
t.Error(err)
}
// Replace directory with file
if err := os.RemoveAll(pDir + "/foo"); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(pDir+"/foo", nil, 0700); err != nil {
t.Fatal(err)
}
_, err = os.Stat(cDir + "/" + fooEncrypted)
if err != nil {
t.Error(err)
}
// Rename back and forth, name should stay the same
if err := os.Rename(pDir+"/foo", pDir+"/foo.tmp"); err != nil {
t.Fatal(err)
}
if err := os.Rename(pDir+"/foo.tmp", pDir+"/foo"); err != nil {
t.Fatal(err)
}
if _, err := os.Stat(cDir + "/" + fooEncrypted); err != nil {
t.Error(err)
}
}
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