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// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"net"
"reflect"
"testing"
"github.com/containernetworking/cni/pkg/types"
"github.com/d2g/dhcp4"
)
func validateRoutes(t *testing.T, routes []*types.Route) {
expected := []*types.Route{
{
Dst: net.IPNet{
IP: net.IPv4(10, 0, 0, 0),
Mask: net.CIDRMask(8, 32),
},
GW: net.IPv4(10, 1, 2, 3),
},
{
Dst: net.IPNet{
IP: net.IPv4(192, 168, 1, 0),
Mask: net.CIDRMask(24, 32),
},
GW: net.IPv4(192, 168, 2, 3),
},
}
if len(routes) != len(expected) {
t.Fatalf("wrong length slice; expected %v, got %v", len(expected), len(routes))
}
for i := 0; i < len(routes); i++ {
a := routes[i]
e := expected[i]
if a.Dst.String() != e.Dst.String() {
t.Errorf("route.Dst mismatch: expected %v, got %v", e.Dst, a.Dst)
}
if !a.GW.Equal(e.GW) {
t.Errorf("route.GW mismatch: expected %v, got %v", e.GW, a.GW)
}
}
}
func TestParseRoutes(t *testing.T) {
opts := make(dhcp4.Options)
opts[dhcp4.OptionStaticRoute] = []byte{10, 0, 0, 0, 10, 1, 2, 3, 192, 168, 1, 0, 192, 168, 2, 3}
routes := parseRoutes(opts)
validateRoutes(t, routes)
}
func TestParseCIDRRoutes(t *testing.T) {
opts := make(dhcp4.Options)
opts[dhcp4.OptionClasslessRouteFormat] = []byte{8, 10, 10, 1, 2, 3, 24, 192, 168, 1, 192, 168, 2, 3}
routes := parseCIDRRoutes(opts)
validateRoutes(t, routes)
}
func TestParseOptionName(t *testing.T) {
tests := []struct {
name string
option string
want dhcp4.OptionCode
wantErr bool
}{
{
"hostname", "host-name", dhcp4.OptionHostName, false,
},
{
"hostname in number", "12", dhcp4.OptionHostName, false,
},
{
"random string", "doNotparseMe", 0, true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := parseOptionName(tt.option)
if (err != nil) != tt.wantErr {
t.Errorf("parseOptionName() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("parseOptionName() = %v, want %v", got, tt.want)
}
})
}
}
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