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package network
import (
"net"
"testing"
"github.com/containers/podman/v3/pkg/domain/entities"
)
func Test_validateBridgeOptions(t *testing.T) {
tests := []struct {
name string
subnet net.IPNet
ipRange net.IPNet
gateway net.IP
isIPv6 bool
wantErr bool
}{
{
name: "IPv4 subnet only",
subnet: net.IPNet{IP: net.IPv4(192, 168, 0, 0), Mask: net.IPv4Mask(255, 255, 255, 0)},
},
{
name: "IPv4 subnet and range",
subnet: net.IPNet{IP: net.IPv4(192, 168, 0, 0), Mask: net.IPv4Mask(255, 255, 255, 0)},
ipRange: net.IPNet{IP: net.IPv4(192, 168, 0, 128), Mask: net.IPv4Mask(255, 255, 255, 128)},
},
{
name: "IPv4 subnet and gateway",
subnet: net.IPNet{IP: net.IPv4(192, 168, 0, 0), Mask: net.IPv4Mask(255, 255, 255, 0)},
gateway: net.ParseIP("192.168.0.10"),
},
{
name: "IPv4 subnet, range and gateway",
subnet: net.IPNet{IP: net.IPv4(192, 168, 0, 0), Mask: net.IPv4Mask(255, 255, 255, 0)},
ipRange: net.IPNet{IP: net.IPv4(192, 168, 0, 128), Mask: net.IPv4Mask(255, 255, 255, 128)},
gateway: net.ParseIP("192.168.0.10"),
},
{
name: "IPv6 subnet only",
subnet: net.IPNet{IP: net.ParseIP("2001:DB8::"), Mask: net.IPMask(net.ParseIP("ffff:ffff:ffff::"))},
},
{
name: "IPv6 subnet and range",
subnet: net.IPNet{IP: net.ParseIP("2001:DB8::"), Mask: net.IPMask(net.ParseIP("ffff:ffff:ffff::"))},
ipRange: net.IPNet{IP: net.ParseIP("2001:DB8:0:0:1::"), Mask: net.IPMask(net.ParseIP("ffff:ffff:ffff:ffff::"))},
isIPv6: true,
},
{
name: "IPv6 subnet and gateway",
subnet: net.IPNet{IP: net.ParseIP("2001:DB8::"), Mask: net.IPMask(net.ParseIP("ffff:ffff:ffff::"))},
gateway: net.ParseIP("2001:DB8::2"),
isIPv6: true,
},
{
name: "IPv6 subnet, range and gateway",
subnet: net.IPNet{IP: net.ParseIP("2001:DB8::"), Mask: net.IPMask(net.ParseIP("ffff:ffff:ffff::"))},
ipRange: net.IPNet{IP: net.ParseIP("2001:DB8:0:0:1::"), Mask: net.IPMask(net.ParseIP("ffff:ffff:ffff:ffff::"))},
gateway: net.ParseIP("2001:DB8::2"),
isIPv6: true,
},
{
name: "IPv6 subnet, range and gateway without IPv6 option (PODMAN SUPPORTS IT UNLIKE DOCKER)",
subnet: net.IPNet{IP: net.ParseIP("2001:DB8::"), Mask: net.IPMask(net.ParseIP("ffff:ffff:ffff::"))},
ipRange: net.IPNet{IP: net.ParseIP("2001:DB8:0:0:1::"), Mask: net.IPMask(net.ParseIP("ffff:ffff:ffff:ffff::"))},
gateway: net.ParseIP("2001:DB8::2"),
isIPv6: false,
},
{
name: "range provided but not subnet",
ipRange: net.IPNet{IP: net.IPv4(192, 168, 0, 128), Mask: net.IPv4Mask(255, 255, 255, 128)},
wantErr: true,
},
{
name: "gateway provided but not subnet",
gateway: net.ParseIP("192.168.0.10"),
wantErr: true,
},
{
name: "IPv4 subnet but IPv6 required",
subnet: net.IPNet{IP: net.IPv4(192, 168, 0, 0), Mask: net.IPv4Mask(255, 255, 255, 0)},
ipRange: net.IPNet{IP: net.IPv4(192, 168, 0, 128), Mask: net.IPv4Mask(255, 255, 255, 128)},
gateway: net.ParseIP("192.168.0.10"),
isIPv6: true,
wantErr: true,
},
{
name: "IPv6 required but IPv4 options used",
subnet: net.IPNet{IP: net.IPv4(192, 168, 0, 0), Mask: net.IPv4Mask(255, 255, 255, 0)},
ipRange: net.IPNet{IP: net.IPv4(192, 168, 0, 128), Mask: net.IPv4Mask(255, 255, 255, 128)},
gateway: net.ParseIP("192.168.0.10"),
isIPv6: true,
wantErr: true,
},
{
name: "IPv6 required but not subnet provided",
isIPv6: true,
wantErr: true,
},
{
name: "range out of the subnet",
subnet: net.IPNet{IP: net.ParseIP("2001:DB8::"), Mask: net.IPMask(net.ParseIP("ffff:ffff:ffff::"))},
ipRange: net.IPNet{IP: net.ParseIP("2001:1:1::"), Mask: net.IPMask(net.ParseIP("ffff:ffff:ffff:ffff::"))},
gateway: net.ParseIP("2001:DB8::2"),
isIPv6: true,
wantErr: true,
},
{
name: "gateway out of the subnet",
subnet: net.IPNet{IP: net.ParseIP("2001:DB8::"), Mask: net.IPMask(net.ParseIP("ffff:ffff:ffff::"))},
gateway: net.ParseIP("2001::2"),
isIPv6: true,
wantErr: true,
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
options := entities.NetworkCreateOptions{
Subnet: tt.subnet,
Range: tt.ipRange,
Gateway: tt.gateway,
IPv6: tt.isIPv6,
}
if err := validateBridgeOptions(options); (err != nil) != tt.wantErr {
t.Errorf("validateBridgeOptions() error = %v, wantErr %v", err, tt.wantErr)
}
})
}
}
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