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test windows

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This commit is contained in:
Pascal Fischer 2023-06-12 15:38:47 +02:00
parent 5d19811331
commit b92107efc8
1 changed files with 106 additions and 0 deletions
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106
client/internal/routemanager/systemops_windows.go
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@ -4,11 +4,20 @@
package routemanager
import (
"bytes"
"fmt"
"net"
"net/netip"
"os"
"strings"
"testing"
"github.com/pion/transport/v2/stdnet"
log "github.com/sirupsen/logrus"
"github.com/stretchr/testify/require"
"github.com/yusufpapurcu/wmi"
"github.com/netbirdio/netbird/iface"
)
type Win32_IP4RouteTable struct {
@ -38,3 +47,100 @@ func existsInRouteTable(prefix netip.Prefix) (bool, error) {
}
return false, nil
}
func TestAddExistAndRemoveRoute(t *testing.T) {
defaultGateway, err := getExistingRIBRouteGateway(netip.MustParsePrefix("0.0.0.0/0"))
fmt.Println("defaultGateway: ", defaultGateway)
if err != nil {
t.Fatal("shouldn't return error when fetching the gateway: ", err)
}
testCases := []struct {
name string
prefix netip.Prefix
preExistingPrefix netip.Prefix
shouldAddRoute bool
}{
{
name: "Should Add And Remove random Route",
prefix: netip.MustParsePrefix("99.99.99.99/32"),
shouldAddRoute: true,
},
{
name: "Should Not Add Route if overlaps with default gateway",
prefix: netip.MustParsePrefix(defaultGateway.String() + "/31"),
shouldAddRoute: false,
},
{
name: "Should Add Route if bigger network exists",
prefix: netip.MustParsePrefix("100.100.100.0/24"),
preExistingPrefix: netip.MustParsePrefix("100.100.0.0/16"),
shouldAddRoute: true,
},
{
name: "Should Add Route if smaller network exists",
prefix: netip.MustParsePrefix("100.100.0.0/16"),
preExistingPrefix: netip.MustParsePrefix("100.100.100.0/24"),
shouldAddRoute: true,
},
{
name: "Should Not Add Route if same network exists",
prefix: netip.MustParsePrefix("100.100.0.0/16"),
preExistingPrefix: netip.MustParsePrefix("100.100.0.0/16"),
shouldAddRoute: false,
},
}
// MOCK_ADDR := "127.0.0.1"
for n, testCase := range testCases {
var buf bytes.Buffer
log.SetOutput(&buf)
defer func() {
log.SetOutput(os.Stderr)
}()
t.Run(testCase.name, func(t *testing.T) {
newNet, err := stdnet.NewNet()
if err != nil {
t.Fatal(err)
}
wgInterface, err := iface.NewWGIFace(fmt.Sprintf("utun53%d", n), "100.65.75.2/24", iface.DefaultMTU, nil, newNet)
require.NoError(t, err, "should create testing WGIface interface")
defer wgInterface.Close()
err = wgInterface.Create()
require.NoError(t, err, "should create testing wireguard interface")
MOCK_ADDR := wgInterface.Address().IP.String()
// Prepare the environment
if testCase.preExistingPrefix.IsValid() {
err := addToRouteTableIfNoExists(testCase.preExistingPrefix, MOCK_ADDR)
require.NoError(t, err, "should not return err when adding pre-existing route")
}
// Add the route
err = addToRouteTableIfNoExists(testCase.prefix, MOCK_ADDR)
require.NoError(t, err, "should not return err when adding pre-existing route")
if testCase.shouldAddRoute {
// test if route exists after adding
ok, err := existsInRouteTable(testCase.prefix)
require.NoError(t, err, "should not return err")
require.True(t, ok, "route should exist")
// remove route again if added
err = removeFromRouteTableIfNonSystem(testCase.prefix, MOCK_ADDR)
require.NoError(t, err, "should not return err")
}
// route should either not have been added or should have been removed
// In case of already existing route, it should not have been added (but still exist)
ok, err := existsInRouteTable(testCase.prefix)
fmt.Println("Buffer string: ", buf.String())
require.NoError(t, err, "should not return err")
if !strings.Contains(buf.String(), "because it already exists") {
require.False(t, ok, "route should not exist")
}
})
}
}