func (s *RunVSuite) SetUpSuite(c *check.C) {
var err error
s.binaryPath, err = exec.LookPath(binaryName)
c.Assert(err, checker.IsNil)
// Prepare bundle and rootfs
s.bundlePath = c.MkDir()
rootfs := filepath.Join(s.bundlePath, rootfsName)
err = os.Mkdir(rootfs, 777)
c.Assert(err, checker.IsNil)
// untar busybox image tar file into bundle/rootfs dir
busyboxTarPath := filepath.Join(testDataDir, busyboxTarName)
_, err = os.Stat(busyboxTarPath)
c.Assert(err, checker.IsNil)
cmd := exec.Command("tar", "-xf", busyboxTarPath, "-C", rootfs)
var errStr bytes.Buffer
cmd.Stderr = &errStr
err = cmd.Run()
c.Assert(err, checker.IsNil, check.Commentf("errors: %s", errStr.String()))
// set kernel path
s.kernelPath, err = filepath.Abs(filepath.Join(testDataDir, kernelName))
c.Assert(err, checker.IsNil)
_, err = os.Stat(s.kernelPath)
c.Assert(err, checker.IsNil)
// set initrd path
s.initrdPath, err = filepath.Abs(filepath.Join(testDataDir, initrdName))
c.Assert(err, checker.IsNil)
_, err = os.Stat(s.initrdPath)
c.Assert(err, checker.IsNil)
// write spec into config file
s.configPath = filepath.Join(s.bundlePath, configFileName)
specData, err := json.MarshalIndent(defaultTestSpec, "", "\t")
c.Assert(err, checker.IsNil)
err = ioutil.WriteFile(s.configPath, specData, 0666)
c.Assert(err, checker.IsNil)
}