149 lines
2.9 KiB
Go
149 lines
2.9 KiB
Go
package main
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import (
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"crypto/md5"
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"encoding/hex"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"os/exec"
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"testing"
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"time"
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)
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const tmpDir = "test_tmp_dir/"
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const plainDir = tmpDir + "plain/"
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const cipherDir = tmpDir + "cipher/"
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func TestMain(m *testing.M) {
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fu := exec.Command("fusermount", "-u", plainDir)
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fu.Stdout = os.Stdout
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fu.Stderr = os.Stderr
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fu.Run()
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os.RemoveAll(tmpDir)
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err := os.MkdirAll(plainDir, 0777)
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if err != nil {
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panic("Could not create plainDir")
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}
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err = os.MkdirAll(cipherDir, 0777)
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if err != nil {
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panic("Could not create cipherDir")
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}
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c := exec.Command("./gocryptfs", cipherDir, plainDir)
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c.Stdout = os.Stdout
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c.Stderr = os.Stderr
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go c.Run()
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time.Sleep(3 * time.Second)
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r := m.Run()
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fu.Run()
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os.Exit(r)
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}
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func testWriteN(t *testing.T, fn string, n int, hashWant string) {
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file, err := os.Create(plainDir + fn)
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if err != nil {
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t.FailNow()
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}
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d := make([]byte, n)
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written, err := file.Write(d)
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if err != nil || written != len(d) {
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fmt.Printf("err=\"%s\", written=%d\n", err, written)
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t.Fail()
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}
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file.Close()
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buf, err := ioutil.ReadFile(plainDir + fn)
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if err != nil {
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t.Fail()
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}
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rawHash := md5.Sum(buf)
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hashActual := hex.EncodeToString(rawHash[:])
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if hashActual != hashWant {
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fmt.Printf("hashWant=%s hashActual=%s\n", hashWant, hashActual)
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t.Fail()
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}
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}
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func TestWrite10(t *testing.T) {
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testWriteN(t, "10", 10, "a63c90cc3684ad8b0a2176a6a8fe9005")
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}
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func TestWrite100(t *testing.T) {
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testWriteN(t, "100", 100, "6d0bb00954ceb7fbee436bb55a8397a9")
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}
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func TestWrite1M(t *testing.T) {
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testWriteN(t, "1M", 1024*1024, "b6d81b360a5672d80c27430f39153e2c")
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}
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func TestWrite1Mx100(t *testing.T) {
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testWriteN(t, "1Mx100", 1024*1024, "b6d81b360a5672d80c27430f39153e2c")
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// Read and check 100 times to catch race conditions
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var i int
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for i = 0; i < 100; i++ {
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buf, err := ioutil.ReadFile(plainDir + "1M")
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if err != nil {
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t.Fail()
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}
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rawHash := md5.Sum(buf)
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hashActual := hex.EncodeToString(rawHash[:])
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if hashActual != "b6d81b360a5672d80c27430f39153e2c" {
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fmt.Printf("Read corruption in loop # %d\n", i)
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t.FailNow()
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} else {
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//fmt.Print(".")
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}
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}
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}
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func BenchmarkStreamWrite(t *testing.B) {
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buf := make([]byte, 1024*1024)
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t.SetBytes(int64(len(buf)))
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file, err := os.Create(plainDir + "BenchmarkWrite")
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if err != nil {
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t.FailNow()
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}
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t.ResetTimer()
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var i int
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for i = 0; i < t.N; i++ {
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written, err := file.Write(buf)
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if err != nil {
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fmt.Printf("err=\"%s\", written=%d\n", err.Error(), written)
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t.FailNow()
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}
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}
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}
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func BenchmarkStreamRead(t *testing.B) {
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buf := make([]byte, 1024*1024)
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t.SetBytes(int64(len(buf)))
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file, err := os.Open(plainDir + "BenchmarkWrite")
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if err != nil {
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t.FailNow()
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}
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t.ResetTimer()
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var i int
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for i = 0; i < t.N; i++ {
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_, err := file.Read(buf)
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if err == io.EOF {
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fmt.Printf("Test file too small\n")
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t.SkipNow()
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} else if err != nil {
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fmt.Println(err)
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t.FailNow()
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}
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}
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}
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