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|
//go:build linux
// +build linux
package bridge
import (
"bytes"
"net"
"testing"
"github.com/docker/docker/libnetwork/netutils"
"github.com/docker/docker/libnetwork/testutils"
"github.com/vishvananda/netlink"
)
func TestSetupNewBridge(t *testing.T) {
defer testutils.SetupTestOSContext(t)()
nh, err := netlink.NewHandle()
if err != nil {
t.Fatal(err)
}
defer nh.Close()
config := &networkConfiguration{BridgeName: DefaultBridgeName}
br := &bridgeInterface{nlh: nh}
if err := setupDevice(config, br); err != nil {
t.Fatalf("Bridge creation failed: %v", err)
}
if br.Link == nil {
t.Fatal("bridgeInterface link is nil (expected valid link)")
}
if _, err := nh.LinkByName(DefaultBridgeName); err != nil {
t.Fatalf("Failed to retrieve bridge device: %v", err)
}
if br.Link.Attrs().Flags&net.FlagUp == net.FlagUp {
t.Fatal("bridgeInterface should be created down")
}
}
func TestSetupNewNonDefaultBridge(t *testing.T) {
defer testutils.SetupTestOSContext(t)()
nh, err := netlink.NewHandle()
if err != nil {
t.Fatal(err)
}
defer nh.Close()
config := &networkConfiguration{BridgeName: "test0", DefaultBridge: true}
br := &bridgeInterface{nlh: nh}
err = setupDevice(config, br)
if err == nil {
t.Fatal("Expected bridge creation failure with \"non default name\", succeeded")
}
if _, ok := err.(NonDefaultBridgeExistError); !ok {
t.Fatalf("Did not fail with expected error. Actual error: %v", err)
}
}
func TestSetupDeviceUp(t *testing.T) {
defer testutils.SetupTestOSContext(t)()
nh, err := netlink.NewHandle()
if err != nil {
t.Fatal(err)
}
defer nh.Close()
config := &networkConfiguration{BridgeName: DefaultBridgeName}
br := &bridgeInterface{nlh: nh}
if err := setupDevice(config, br); err != nil {
t.Fatalf("Bridge creation failed: %v", err)
}
if err := setupDeviceUp(config, br); err != nil {
t.Fatalf("Failed to up bridge device: %v", err)
}
lnk, _ := nh.LinkByName(DefaultBridgeName)
if lnk.Attrs().Flags&net.FlagUp != net.FlagUp {
t.Fatal("bridgeInterface should be up")
}
}
func TestGenerateRandomMAC(t *testing.T) {
defer testutils.SetupTestOSContext(t)()
mac1 := netutils.GenerateRandomMAC()
mac2 := netutils.GenerateRandomMAC()
if bytes.Equal(mac1, mac2) {
t.Fatalf("Generated twice the same MAC address %v", mac1)
}
}
|
