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-rw-r--r--tests/reverse/longname_perf_test.go73
-rw-r--r--tests/test_helpers/helpers.go15
2 files changed, 83 insertions, 5 deletions
diff --git a/tests/reverse/longname_perf_test.go b/tests/reverse/longname_perf_test.go
new file mode 100644
index 0000000..43acd25
--- /dev/null
+++ b/tests/reverse/longname_perf_test.go
@@ -0,0 +1,73 @@
+package reverse_test
+
+import (
+ "bytes"
+ "fmt"
+ "os"
+ "testing"
+
+ "github.com/rfjakob/gocryptfs/tests/test_helpers"
+)
+
+var dirA, dirB, x240 string
+
+func TestMain(m *testing.M) {
+ x240 = string(bytes.Repeat([]byte("x"), 240))
+ dirA = test_helpers.TmpDir + "/a"
+ dirB = test_helpers.TmpDir + "/b"
+ os.Mkdir(dirA, 0700)
+ os.Mkdir(dirB, 0700)
+ generateFiles(dirA)
+ test_helpers.MountOrExit(dirA, dirB, "-zerokey", "-reverse")
+ r := m.Run()
+ test_helpers.UnmountPanic(dirB)
+ os.RemoveAll(test_helpers.TmpDir)
+ os.Exit(r)
+}
+
+func genName(i int) string {
+ return fmt.Sprintf("%04d.%s", i, x240)
+}
+
+// Create 10000 files with long names
+func generateFiles(dir string) {
+ for i := 0; i < 100000; i++ {
+ n := genName(i)
+ f, err := os.Create(dir + "/" + n)
+ if err != nil {
+ panic(err)
+ }
+ f.Close()
+ }
+}
+
+func TestLongnameStat(t *testing.T) {
+ _, err := os.Stat(dirA + "/" + genName(0))
+ if err != nil {
+ t.Error(err)
+ }
+ _, err = os.Stat(dirA + "/" + genName(9999))
+ if err != nil {
+ t.Error(err)
+ }
+}
+
+func BenchmarkLongnameStat(b *testing.B) {
+ dirFd, err := os.Open(dirB)
+ if err != nil {
+ b.Fatal(err)
+ }
+ encryptedNames, err := dirFd.Readdirnames(-1)
+ if err != nil {
+ b.Fatal(err)
+ }
+ l := len(encryptedNames)
+ dirFd.Close()
+ b.ResetTimer()
+ for i := 0; i < b.N; i++ {
+ _, err := os.Stat(dirB + "/" + encryptedNames[i%l])
+ if err != nil {
+ b.Fatal(err)
+ }
+ }
+}
diff --git a/tests/test_helpers/helpers.go b/tests/test_helpers/helpers.go
index bad5675..7e1f4e8 100644
--- a/tests/test_helpers/helpers.go
+++ b/tests/test_helpers/helpers.go
@@ -15,13 +15,18 @@ import (
"github.com/rfjakob/gocryptfs/internal/nametransform"
)
+// TmpDir will be created inside this directory
const testParentDir = "/tmp/gocryptfs-test-parent"
const GocryptfsBinary = "../../gocryptfs"
-// "go test" runs package tests in parallel! We must create a unique TmpDir on
-// startup or the tests will interfere horribly
+// "go test" runs package tests in parallel! We create a unique TmpDir in
+// init() so the tests do not interfere.
var TmpDir string
+
+// TmpDir + "/default-plain"
var DefaultPlainDir string
+
+// TmpDir + "/default-cipher"
var DefaultCipherDir string
func init() {
@@ -77,7 +82,7 @@ func ResetTmpDir(plaintextNames bool) {
}
// InitFS calls "gocryptfs -init" on a new directory in TmpDir, passing
-// "extraArgs" in addition to practical defaults.
+// "extraArgs" in addition to useful defaults.
//
// The returned cipherdir has NO trailing slash.
func InitFS(t *testing.T, extraArgs ...string) string {
@@ -128,7 +133,7 @@ func Mount(c string, p string, showOutput bool, extraArgs ...string) error {
return cmd.Run()
}
-// MountOrExit calls mount() and exits on failure.
+// MountOrExit calls Mount() and exits on failure.
func MountOrExit(c string, p string, extraArgs ...string) {
err := Mount(c, p, true, extraArgs...)
if err != nil {
@@ -137,7 +142,7 @@ func MountOrExit(c string, p string, extraArgs ...string) {
}
}
-// MountOrFatal calls mount() and calls t.Fatal() on failure.
+// MountOrFatal calls Mount() and calls t.Fatal() on failure.
func MountOrFatal(t *testing.T, c string, p string, extraArgs ...string) {
err := Mount(c, p, true, extraArgs...)
if err != nil {