netlink_test.go

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//
//     http://www.apache.org/licenses/LICENSE-2.0
//
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// under the License.

// +build linux

package libaudit

import (
	"os"
	"syscall"
	"testing"

	"github.com/stretchr/testify/assert"
)

// Validate NetlinkClient implements NetlinkSendReceiver.
var _ NetlinkSendReceiver = &NetlinkClient{}

func TestNewNetlinkClient(t *testing.T) {
	c, err := NewNetlinkClient(syscall.NETLINK_AUDIT, 0, nil, nil)
	if err != nil {
		t.Fatal(err)
	}
	defer c.Close()

	assert.Len(t, c.readBuf, os.Getpagesize())

	// First PID assigned by the kernel will be our actual PID.
	assert.EqualValues(t, os.Getpid(), c.pid)

	c2, err := NewNetlinkClient(syscall.NETLINK_AUDIT, 0, nil, nil)
	if err != nil {
		t.Fatal(err)
	}
	defer c2.Close()

	// Second PID assigned by kernel will be random.
	assert.NotEqual(t, 0, c2.pid)
	assert.NotEqual(t, c.pid, c2.pid)
}