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authorJakob Unterwurzacher2015-10-05 20:32:10 +0200
committerJakob Unterwurzacher2015-10-05 20:32:10 +0200
commit552c32c5e9378b85e52c420c4dd2d7ccc827556f (patch)
treef13c1e1e8339252a6ee1c20a986ed65efd367f41 /main_test.go
parent53ecebc71ec132fc8e5fab486c63e13c0925d142 (diff)
Move main binary to gocryptfs_main
That way the wrapper shell script can be named just "gocryptfs"
Diffstat (limited to 'main_test.go')
-rw-r--r--main_test.go265
1 files changed, 0 insertions, 265 deletions
diff --git a/main_test.go b/main_test.go
deleted file mode 100644
index 2f606bc..0000000
--- a/main_test.go
+++ /dev/null
@@ -1,265 +0,0 @@
-package main
-
-import (
- "bytes"
- "crypto/md5"
- "encoding/hex"
- "fmt"
- "io"
- "io/ioutil"
- "os"
- "os/exec"
- "testing"
- "time"
-)
-
-const tmpDir = "tmp/"
-const plainDir = tmpDir + "plain/"
-const cipherDir = tmpDir + "cipher/"
-
-func unmount() error {
- fu := exec.Command("fusermount", "-z", "-u", plainDir)
- fu.Stdout = os.Stdout
- fu.Stderr = os.Stderr
- return fu.Run()
-}
-
-func md5fn(filename string) string {
- buf, err := ioutil.ReadFile(filename)
- if err != nil {
- fmt.Printf("ReadFile: %v\n", err)
- return ""
- }
- rawHash := md5.Sum(buf)
- hash := hex.EncodeToString(rawHash[:])
- return hash
-}
-
-func TestMain(m *testing.M) {
-
- fu := exec.Command("fusermount", "-z", "-u", plainDir)
- fu.Run()
-
- os.RemoveAll(tmpDir)
-
- err := os.MkdirAll(plainDir, 0777)
- if err != nil {
- panic("Could not create plainDir")
- }
-
- err = os.MkdirAll(cipherDir, 0777)
- if err != nil {
- panic("Could not create cipherDir")
- }
-
- //c := exec.Command("./gocryptfs", "--zerokey", "--cpuprofile", "/tmp/gcfs.cpu", cipherDir, plainDir)
- c := exec.Command("./gocryptfs", "--zerokey", cipherDir, plainDir)
- c.Stdout = os.Stdout
- c.Stderr = os.Stderr
- go c.Run()
-
- time.Sleep(3 * time.Second)
-
- r := m.Run()
-
- unmount()
- os.Exit(r)
-}
-
-func testWriteN(t *testing.T, fn string, n int) string {
- file, err := os.Create(plainDir + fn)
- if err != nil {
- t.FailNow()
- }
-
- d := make([]byte, n)
- written, err := file.Write(d)
- if err != nil || written != len(d) {
- fmt.Printf("err=\"%s\", written=%d\n", err, written)
- t.Fail()
- }
- file.Close()
-
- bin := md5.Sum(d)
- hashWant := hex.EncodeToString(bin[:])
-
- hashActual := md5fn(plainDir + fn)
-
- if hashActual != hashWant {
- fmt.Printf("hashWant=%s hashActual=%s\n", hashWant, hashActual)
- t.Fail()
- }
-
- return hashActual
-}
-
-func TestWrite10(t *testing.T) {
- testWriteN(t, "10", 10)
-}
-
-func TestWrite100(t *testing.T) {
- testWriteN(t, "100", 100)
-}
-
-func TestWrite1M(t *testing.T) {
- testWriteN(t, "1M", 1024*1024)
-}
-
-func TestWrite1Mx100(t *testing.T) {
- hashWant := testWriteN(t, "1Mx100", 1024*1024)
- // Read and check 100 times to catch race conditions
- var i int
- for i = 0; i < 100; i++ {
- hashActual := md5fn(plainDir + "1M")
- if hashActual != hashWant {
- fmt.Printf("Read corruption in loop # %d\n", i)
- t.FailNow()
- } else {
- //fmt.Print(".")
- }
- }
-}
-
-func TestTruncate(t *testing.T) {
- fn := plainDir + "truncate"
- file, err := os.Create(fn)
- if err != nil {
- t.FailNow()
- }
- // Grow to two blocks
- file.Truncate(7000)
- if md5fn(fn) != "95d4ec7038e3e4fdbd5f15c34c3f0b34" {
- t.Errorf("Fail 7000")
- }
- // Shrink - needs RMW
- file.Truncate(6999)
- if md5fn(fn) != "35fd15873ec6c35380064a41b9b9683b" {
- t.Errorf("Fail 6999")
- }
- // Shrink to one partial block
- file.Truncate(465)
- if md5fn(fn) != "a1534d6e98a6b21386456a8f66c55260" {
- t.Errorf("Fail 465")
- }
- // Grow to exactly one block
- file.Truncate(4096)
- if md5fn(fn) != "620f0b67a91f7f74151bc5be745b7110" {
- t.Errorf("Fail 4096")
- }
-}
-
-func TestAppend(t *testing.T) {
- fn := plainDir + "append"
- file, err := os.Create(fn)
- if err != nil {
- t.FailNow()
- }
- data := []byte("testdata123456789") // length 17
- var buf bytes.Buffer
- var hashWant string
- for i := 0; i <= 500; i++ {
- file.Write(data)
- buf.Write(data)
- bin := md5.Sum(buf.Bytes())
- hashWant = hex.EncodeToString(bin[:])
- hashActual := md5fn(fn)
- if hashWant != hashActual {
- t.FailNow()
- }
- }
-
- // Overwrite with the same data
- // Hash must stay the same
- file.Seek(0, 0)
- for i := 0; i <= 500; i++ {
- file.Write(data)
- hashActual := md5fn(fn)
- if hashWant != hashActual {
- t.FailNow()
- }
- }
-}
-
-// Create a file with holes by writing to offset 0 (block #0) and
-// offset 4096 (block #1).
-func TestFileHoles(t *testing.T) {
- fn := plainDir + "fileholes"
- file, err := os.Create(fn)
- if err != nil {
- t.Errorf("file create failed")
- }
- foo := []byte("foo")
- file.Write(foo)
- file.WriteAt(foo, 4096)
- _, err = ioutil.ReadFile(fn)
- if err != nil {
- t.Error(err)
- }
-}
-
-func BenchmarkStreamWrite(t *testing.B) {
- buf := make([]byte, 1024*1024)
- t.SetBytes(int64(len(buf)))
-
- file, err := os.Create(plainDir + "BenchmarkWrite")
- if err != nil {
- t.FailNow()
- }
-
- t.ResetTimer()
- var i int
- for i = 0; i < t.N; i++ {
- written, err := file.Write(buf)
- if err != nil {
- fmt.Printf("err=\"%s\", written=%d\n", err.Error(), written)
- t.FailNow()
- }
- }
- file.Close()
-}
-
-func BenchmarkStreamRead(t *testing.B) {
- buf := make([]byte, 1024*1024)
- t.SetBytes(int64(len(buf)))
-
- fn := plainDir + "BenchmarkWrite"
- fi, _ := os.Stat(fn)
- mb := int(fi.Size() / 1024 / 1024)
-
- if t.N > mb {
- // Grow file so we can satisfy the test
- //fmt.Printf("Growing file to %d MB... ", t.N)
- f2, err := os.OpenFile(fn, os.O_WRONLY|os.O_APPEND, 0666)
- if err != nil {
- fmt.Println(err)
- t.FailNow()
- }
- for h := 0; h < t.N-mb; h++ {
- _, err = f2.Write(buf)
- if err != nil {
- fmt.Println(err)
- t.FailNow()
- }
- }
- f2.Close()
- //fmt.Printf("done\n")
- }
-
- file, err := os.Open(plainDir + "BenchmarkWrite")
- if err != nil {
- t.FailNow()
- }
- t.ResetTimer()
- var i int
- for i = 0; i < t.N; i++ {
- _, err := file.Read(buf)
- if err == io.EOF {
- fmt.Printf("Test file too small\n")
- t.SkipNow()
- } else if err != nil {
- fmt.Println(err)
- t.FailNow()
- }
- }
- file.Close()
-}