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// Copyright (C) 2018 Nippon Telegraph and Telephone Corporation.
//
// 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 table
import (
"testing"
"time"
"github.com/osrg/gobgp/pkg/packet/bgp"
"github.com/stretchr/testify/assert"
)
func TestAddPath(t *testing.T) {
pi := &PeerInfo{}
attrs := []bgp.PathAttributeInterface{bgp.NewPathAttributeOrigin(0)}
nlri1 := bgp.NewIPAddrPrefix(24, "20.20.20.0")
nlri1.SetPathIdentifier(1)
p1 := NewPath(pi, nlri1, false, attrs, time.Now(), false)
nlri2 := bgp.NewIPAddrPrefix(24, "20.20.20.0")
nlri2.SetPathIdentifier(2)
p2 := NewPath(pi, nlri2, false, attrs, time.Now(), false)
family := p1.GetRouteFamily()
families := []bgp.RouteFamily{family}
adj := NewAdjRib(families)
adj.Update([]*Path{p1, p2})
assert.Equal(t, len(adj.table[family].destinations), 1)
assert.Equal(t, adj.Count([]bgp.RouteFamily{family}), 2)
p3 := NewPath(pi, nlri2, false, attrs, time.Now(), false)
adj.Update([]*Path{p3})
var found *Path
for _, d := range adj.table[family].destinations {
for _, p := range d.knownPathList {
if p.GetNlri().PathIdentifier() == nlri2.PathIdentifier() {
found = p
break
}
}
}
assert.Equal(t, found, p3)
adj.Update([]*Path{p3.Clone(true)})
assert.Equal(t, adj.Count([]bgp.RouteFamily{family}), 1)
adj.Update([]*Path{p1.Clone(true)})
assert.Equal(t, 0, len(adj.table[family].destinations))
}
func TestStale(t *testing.T) {
pi := &PeerInfo{}
attrs := []bgp.PathAttributeInterface{bgp.NewPathAttributeOrigin(0)}
nlri1 := bgp.NewIPAddrPrefix(24, "20.20.10.0")
p1 := NewPath(pi, nlri1, false, attrs, time.Now(), false)
nlri2 := bgp.NewIPAddrPrefix(24, "20.20.20.0")
p2 := NewPath(pi, nlri2, false, attrs, time.Now(), false)
family := p1.GetRouteFamily()
families := []bgp.RouteFamily{family}
adj := NewAdjRib(families)
adj.Update([]*Path{p1, p2})
assert.Equal(t, adj.Count([]bgp.RouteFamily{family}), 2)
adj.StaleAll(families)
for _, p := range adj.PathList([]bgp.RouteFamily{family}, false) {
assert.True(t, p.IsStale())
}
nlri3 := bgp.NewIPAddrPrefix(24, "20.20.30.0")
p3 := NewPath(pi, nlri3, false, attrs, time.Now(), false)
adj.Update([]*Path{p1, p3})
adj.DropStale(families)
assert.Equal(t, adj.Count([]bgp.RouteFamily{family}), 1)
assert.Equal(t, 1, len(adj.table[family].destinations))
}
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