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|
package parse
import (
"os"
"reflect"
"runtime"
"syscall"
"testing"
"github.com/stretchr/testify/assert"
)
// TestDeviceParser verifies the given device strings is parsed correctly
func TestDeviceParser(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skip("Devices is only supported on Linux")
}
// Test defaults
src, dest, permissions, err := Device("/dev/foo")
assert.NoError(t, err)
assert.Equal(t, src, "/dev/foo")
assert.Equal(t, dest, "/dev/foo")
assert.Equal(t, permissions, "rwm")
// Test defaults, different dest
src, dest, permissions, err = Device("/dev/foo:/dev/bar")
assert.NoError(t, err)
assert.Equal(t, src, "/dev/foo")
assert.Equal(t, dest, "/dev/bar")
assert.Equal(t, permissions, "rwm")
// Test fully specified
src, dest, permissions, err = Device("/dev/foo:/dev/bar:rm")
assert.NoError(t, err)
assert.Equal(t, src, "/dev/foo")
assert.Equal(t, dest, "/dev/bar")
assert.Equal(t, permissions, "rm")
// Test device, permissions
src, dest, permissions, err = Device("/dev/foo:rm")
assert.NoError(t, err)
assert.Equal(t, src, "/dev/foo")
assert.Equal(t, dest, "/dev/foo")
assert.Equal(t, permissions, "rm")
// test bogus permissions
_, _, _, err = Device("/dev/fuse1:BOGUS") //nolint
assert.Error(t, err)
_, _, _, err = Device("") //nolint
assert.Error(t, err)
_, _, _, err = Device("/dev/foo:/dev/bar:rm:") //nolint
assert.Error(t, err)
_, _, _, err = Device("/dev/foo::rm") //nolint
assert.Error(t, err)
}
func TestIsValidDeviceMode(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skip("Devices is only supported on Linux")
}
assert.False(t, isValidDeviceMode("BOGUS"))
assert.False(t, isValidDeviceMode("rwx"))
assert.True(t, isValidDeviceMode("r"))
assert.True(t, isValidDeviceMode("rw"))
assert.True(t, isValidDeviceMode("rm"))
assert.True(t, isValidDeviceMode("rwm"))
}
func TestIsValidVolumeOption(t *testing.T) {
options, err := ValidateVolumeOpts([]string{"upperdir=test", "workdir=test2"})
assert.NoError(t, err)
assert.True(t, reflect.DeepEqual([]string{"upperdir=test", "workdir=test2"}, options))
_, err = ValidateVolumeOpts([]string{"workdir=test2", "workdir=test3"})
assert.Error(t, err)
_, err = ValidateVolumeOpts([]string{"upperdir=test2", "upperdir=test3"})
assert.Error(t, err)
}
func TestDeviceFromPath(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skip("Devices is only supported on Linux")
}
// Path is valid
info, err := os.Stat("/dev/null")
assert.NoError(t, err)
var UID uint32
var GID uint32
if stat, ok := info.Sys().(*syscall.Stat_t); ok {
UID = stat.Uid
GID = stat.Gid
}
dev, err := DeviceFromPath("/dev/null")
assert.NoError(t, err)
assert.Equal(t, len(dev), 1)
assert.Equal(t, dev[0].Major, int64(1))
assert.Equal(t, dev[0].Minor, int64(3))
assert.Equal(t, string(dev[0].Permissions), "rwm")
assert.Equal(t, dev[0].Uid, UID)
assert.Equal(t, dev[0].Gid, GID)
// Path does not exists
_, err = DeviceFromPath("/dev/BOGUS")
assert.Error(t, err)
// Path is a directory of devices
_, err = DeviceFromPath("/dev/pts")
assert.NoError(t, err)
// path of directory has no device
_, err = DeviceFromPath("/etc/passwd")
assert.Error(t, err)
}
|
