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package integration_tests
import (
"os"
"os/exec"
"fmt"
"io/ioutil"
"crypto/md5"
"encoding/hex"
"testing"
)
const tmpDir = "/tmp/gocryptfs_main_test/"
// Mountpoint
const plainDir = tmpDir + "plain/"
const cipherDir = tmpDir + "cipher/"
func resetTmpDir() {
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")
}
}
func mount(extraArgs ...string) {
var args []string
args = append(args, extraArgs...)
//args = append(args, "--fusedebug")
args = append(args, cipherDir)
args = append(args, plainDir)
c := exec.Command("../gocryptfs", args...)
// Warning messages clutter the test output. Uncomment if you want to debug
// failures.
//c.Stdout = os.Stdout
//c.Stderr = os.Stderr
err := c.Run()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func unmount() error {
fu := exec.Command("fusermount", "-z", "-u", plainDir)
fu.Stdout = os.Stdout
fu.Stderr = os.Stderr
return fu.Run()
}
// Return md5 string for file "filename"
func md5fn(filename string) string {
buf, err := ioutil.ReadFile(filename)
if err != nil {
fmt.Printf("ReadFile: %v\n", err)
return ""
}
return md5hex(buf)
}
// Return md5 string for "buf"
func md5hex(buf []byte) string {
rawHash := md5.Sum(buf)
hash := hex.EncodeToString(rawHash[:])
return hash
}
// Verify that the file size equals "want". This checks:
// 1) Size reported by Stat()
// 2) Number of bytes returned when reading the whole file
func verifySize(t *testing.T, path string, want int) {
buf, err := ioutil.ReadFile(path)
if err != nil {
t.Errorf("ReadFile failed: %v", err)
} else if len(buf) != want {
t.Errorf("wrong read size: got=%d want=%d", len(buf), want)
}
fi, err := os.Stat(path)
if err != nil {
t.Errorf("Stat failed: %v", err)
} else if fi.Size() != int64(want) {
t.Errorf("wrong stat file size, got=%d want=%d", fi.Size(), want)
}
}
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