diff options
| -rw-r--r-- | tests/reverse/longname_perf_test.go | 73 | ||||
| -rw-r--r-- | tests/test_helpers/helpers.go | 15 |
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 { |