github.com/elfadel/cilium@v1.6.12/pkg/datapath/linux/route/route_test.go (about)

     1  // Copyright 2018 Authors of Cilium
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // +build !privileged_tests
    16  
    17  package route
    18  
    19  import (
    20  	"fmt"
    21  	"net"
    22  	"strings"
    23  	"testing"
    24  
    25  	"github.com/cilium/cilium/pkg/checker"
    26  
    27  	. "gopkg.in/check.v1"
    28  )
    29  
    30  // Hook up gocheck into the "go test" runner.
    31  func Test(t *testing.T) { TestingT(t) }
    32  
    33  type RouteSuite struct{}
    34  
    35  var _ = Suite(&RouteSuite{})
    36  
    37  func parseIP(ip string) *net.IP {
    38  	result := net.ParseIP(ip)
    39  	return &result
    40  }
    41  
    42  func (p *RouteSuite) TestToIPCommand(c *C) {
    43  	routes := []*Route{
    44  		{
    45  			Prefix: net.IPNet{
    46  				IP:   net.ParseIP("10.0.0.1"),
    47  				Mask: net.CIDRMask(8, 32),
    48  			},
    49  			Nexthop: parseIP("192.168.0.1"),
    50  		},
    51  		{
    52  			Prefix: net.IPNet{
    53  				IP:   net.ParseIP("::1"),
    54  				Mask: net.CIDRMask(64, 128),
    55  			},
    56  			Nexthop: parseIP("ff02::2"),
    57  		},
    58  	}
    59  	for _, r := range routes {
    60  		dev := "eth0"
    61  		v6 := "-6 "
    62  		if r.Prefix.IP.To4() != nil {
    63  			v6 = ""
    64  		}
    65  		masklen, _ := r.Prefix.Mask.Size()
    66  		expRes := fmt.Sprintf("ip %sroute add %s/%d via %s dev %s", v6,
    67  			r.Prefix.IP.String(), masklen, r.Nexthop.String(), dev)
    68  		result := strings.Join(r.ToIPCommand(dev), " ")
    69  		c.Assert(result, checker.DeepEquals, expRes)
    70  
    71  		r.Nexthop = nil
    72  		expRes = fmt.Sprintf("ip %sroute add %s/%d dev %s", v6,
    73  			r.Prefix.IP.String(), masklen, dev)
    74  		result = strings.Join(r.ToIPCommand(dev), " ")
    75  		c.Assert(result, checker.DeepEquals, expRes)
    76  	}
    77  }