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package rt
import (
"testing"
net "github.com/bio-routing/bio-rd/net"
"github.com/stretchr/testify/assert"
)
func TestNew(t *testing.T) {
l := New()
if l == nil {
t.Errorf("New() returned nil")
}
}
func TestRemovePath(t *testing.T) {
tests := []struct {
name string
routes []*Route
remove []*Route
expected []*Route
}{
{
name: "Remove a path that is the only one for a prefix",
routes: []*Route{
NewRoute(net.NewPfx(strAddr("10.0.0.0"), 8), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{},
},
}),
NewRoute(net.NewPfx(167772160, 9), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{},
},
}), // 10.0.0.0/9
NewRoute(net.NewPfx(176160768, 9), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{},
},
}), // 10.128.0.0/9
},
remove: []*Route{
NewRoute(net.NewPfx(167772160, 8), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{},
},
}), // 10.0.0.0
},
expected: []*Route{
NewRoute(net.NewPfx(167772160, 9), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{},
},
}), // 10.0.0.0
NewRoute(net.NewPfx(176160768, 9), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{},
},
}), // 10.128.0.0
},
},
{
name: "Remove a path that is one of two for a prefix",
routes: []*Route{
NewRoute(net.NewPfx(167772160, 8), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{
LocalPref: 1000,
},
},
{
Type: BGPPathType,
BGPPath: &BGPPath{
LocalPref: 2000,
},
},
}), // 10.0.0.0/8
NewRoute(net.NewPfx(167772160, 9), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{},
},
}), // 10.0.0.0/9
NewRoute(net.NewPfx(176160768, 9), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{},
},
}), // 10.128.0.0/9
},
remove: []*Route{
NewRoute(net.NewPfx(167772160, 8), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{
LocalPref: 1000,
},
},
}), // 10.0.0.0
},
expected: []*Route{
NewRoute(net.NewPfx(167772160, 8), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{
LocalPref: 2000,
},
},
}), // 10.0.0.0/8
NewRoute(net.NewPfx(167772160, 9), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{},
},
}), // 10.0.0.0/9
NewRoute(net.NewPfx(176160768, 9), []*Path{
{
Type: BGPPathType,
BGPPath: &BGPPath{},
},
}), // 10.128.0.0/9
},
},
}
for _, test := range tests {
lpm := New()
for _, route := range test.routes {
lpm.Insert(route)
}
for _, route := range test.remove {
lpm.RemovePath(route)
}
res := lpm.Dump()
assert.Equal(t, test.expected, res)
}
}
func strAddr(s string) uint32 {
ret, _ := net.StrToAddr(s)
return ret
}