mirror of https://github.com/octoleo/restic.git
140 lines
2.9 KiB
Go
140 lines
2.9 KiB
Go
package restic_test
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import (
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"flag"
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"io"
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"io/ioutil"
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"os"
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"testing"
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"github.com/restic/restic"
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"github.com/restic/restic/backend"
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"github.com/restic/restic/chunker"
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)
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var testPassword = "foobar"
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var testCleanup = flag.Bool("test.cleanup", true, "clean up after running tests (remove local backend directory with all content)")
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func setupBackend(t testing.TB) *backend.Local {
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tempdir, err := ioutil.TempDir("", "restic-test-")
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ok(t, err)
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b, err := backend.CreateLocal(tempdir)
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ok(t, err)
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return b
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}
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func teardownBackend(t testing.TB, b *backend.Local) {
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if !*testCleanup {
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t.Logf("leaving local backend at %s\n", b.Location())
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return
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}
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ok(t, os.RemoveAll(b.Location()))
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}
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func setupKey(t testing.TB, be backend.Server, password string) *restic.Key {
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k, err := restic.CreateKey(be, password)
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ok(t, err)
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return k
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}
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func TestRepo(t *testing.T) {
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be := setupBackend(t)
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defer teardownBackend(t, be)
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_ = setupKey(t, be, testPassword)
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}
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func TestEncryptDecrypt(t *testing.T) {
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be := setupBackend(t)
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defer teardownBackend(t, be)
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k := setupKey(t, be, testPassword)
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for _, size := range []int{5, 23, 1 << 20, 7<<20 + 123} {
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data := make([]byte, size)
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f, err := os.Open("/dev/urandom")
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ok(t, err)
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_, err = io.ReadFull(f, data)
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ok(t, err)
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ciphertext := restic.GetChunkBuf("TestEncryptDecrypt")
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n, err := k.Encrypt(ciphertext, data)
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ok(t, err)
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plaintext, err := k.Decrypt(ciphertext[:n])
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ok(t, err)
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restic.FreeChunkBuf("TestEncryptDecrypt", ciphertext)
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equals(t, plaintext, data)
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}
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}
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func TestLargeEncrypt(t *testing.T) {
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be := setupBackend(t)
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defer teardownBackend(t, be)
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k := setupKey(t, be, testPassword)
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for _, size := range []int{chunker.MaxSize, chunker.MaxSize + 1} {
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data := make([]byte, size)
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f, err := os.Open("/dev/urandom")
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ok(t, err)
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_, err = io.ReadFull(f, data)
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ok(t, err)
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ciphertext := make([]byte, size+restic.CiphertextExtension)
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n, err := k.Encrypt(ciphertext, data)
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ok(t, err)
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plaintext, err := k.Decrypt(ciphertext[:n])
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ok(t, err)
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equals(t, plaintext, data)
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}
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}
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func BenchmarkEncrypt(b *testing.B) {
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size := 8 << 20 // 8MiB
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data := make([]byte, size)
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be := setupBackend(b)
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defer teardownBackend(b, be)
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k := setupKey(b, be, testPassword)
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b.ResetTimer()
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b.SetBytes(int64(size))
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buf := restic.GetChunkBuf("BenchmarkEncrypt")
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for i := 0; i < b.N; i++ {
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_, err := k.Encrypt(buf, data)
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ok(b, err)
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}
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restic.FreeChunkBuf("BenchmarkEncrypt", buf)
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}
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func BenchmarkDecrypt(b *testing.B) {
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size := 8 << 20 // 8MiB
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data := make([]byte, size)
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be := setupBackend(b)
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defer teardownBackend(b, be)
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k := setupKey(b, be, testPassword)
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ciphertext := restic.GetChunkBuf("BenchmarkDecrypt")
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n, err := k.Encrypt(ciphertext, data)
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ok(b, err)
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b.ResetTimer()
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b.SetBytes(int64(size))
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for i := 0; i < b.N; i++ {
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_, err := k.Decrypt(ciphertext[:n])
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ok(b, err)
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}
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restic.FreeChunkBuf("BenchmarkDecrypt", ciphertext)
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}
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