forked from slackhq/nebula
/
cidr_radix_test.go
157 lines (136 loc) · 3.79 KB
/
cidr_radix_test.go
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package nebula
import (
"net"
"testing"
"github.com/stretchr/testify/assert"
)
func TestCIDRTree_Contains(t *testing.T) {
tree := NewCIDRTree()
tree.AddCIDR(getCIDR("1.0.0.0/8"), "1")
tree.AddCIDR(getCIDR("2.1.0.0/16"), "2")
tree.AddCIDR(getCIDR("3.1.1.0/24"), "3")
tree.AddCIDR(getCIDR("4.1.1.0/24"), "4a")
tree.AddCIDR(getCIDR("4.1.1.1/32"), "4b")
tree.AddCIDR(getCIDR("4.1.2.1/32"), "4c")
tree.AddCIDR(getCIDR("254.0.0.0/4"), "5")
tests := []struct {
Result interface{}
IP string
}{
{"1", "1.0.0.0"},
{"1", "1.255.255.255"},
{"2", "2.1.0.0"},
{"2", "2.1.255.255"},
{"3", "3.1.1.0"},
{"3", "3.1.1.255"},
{"4a", "4.1.1.255"},
{"4a", "4.1.1.1"},
{"5", "240.0.0.0"},
{"5", "255.255.255.255"},
{nil, "239.0.0.0"},
{nil, "4.1.2.2"},
}
for _, tt := range tests {
assert.Equal(t, tt.Result, tree.Contains(ip2int(net.ParseIP(tt.IP))))
}
tree = NewCIDRTree()
tree.AddCIDR(getCIDR("1.1.1.1/0"), "cool")
assert.Equal(t, "cool", tree.Contains(ip2int(net.ParseIP("0.0.0.0"))))
assert.Equal(t, "cool", tree.Contains(ip2int(net.ParseIP("255.255.255.255"))))
}
func TestCIDRTree_MostSpecificContains(t *testing.T) {
tree := NewCIDRTree()
tree.AddCIDR(getCIDR("1.0.0.0/8"), "1")
tree.AddCIDR(getCIDR("2.1.0.0/16"), "2")
tree.AddCIDR(getCIDR("3.1.1.0/24"), "3")
tree.AddCIDR(getCIDR("4.1.1.0/24"), "4a")
tree.AddCIDR(getCIDR("4.1.1.0/30"), "4b")
tree.AddCIDR(getCIDR("4.1.1.1/32"), "4c")
tree.AddCIDR(getCIDR("254.0.0.0/4"), "5")
tests := []struct {
Result interface{}
IP string
}{
{"1", "1.0.0.0"},
{"1", "1.255.255.255"},
{"2", "2.1.0.0"},
{"2", "2.1.255.255"},
{"3", "3.1.1.0"},
{"3", "3.1.1.255"},
{"4a", "4.1.1.255"},
{"4b", "4.1.1.2"},
{"4c", "4.1.1.1"},
{"5", "240.0.0.0"},
{"5", "255.255.255.255"},
{nil, "239.0.0.0"},
{nil, "4.1.2.2"},
}
for _, tt := range tests {
assert.Equal(t, tt.Result, tree.MostSpecificContains(ip2int(net.ParseIP(tt.IP))))
}
tree = NewCIDRTree()
tree.AddCIDR(getCIDR("1.1.1.1/0"), "cool")
assert.Equal(t, "cool", tree.MostSpecificContains(ip2int(net.ParseIP("0.0.0.0"))))
assert.Equal(t, "cool", tree.MostSpecificContains(ip2int(net.ParseIP("255.255.255.255"))))
}
func TestCIDRTree_Match(t *testing.T) {
tree := NewCIDRTree()
tree.AddCIDR(getCIDR("4.1.1.0/32"), "1a")
tree.AddCIDR(getCIDR("4.1.1.1/32"), "1b")
tests := []struct {
Result interface{}
IP string
}{
{"1a", "4.1.1.0"},
{"1b", "4.1.1.1"},
}
for _, tt := range tests {
assert.Equal(t, tt.Result, tree.Match(ip2int(net.ParseIP(tt.IP))))
}
tree = NewCIDRTree()
tree.AddCIDR(getCIDR("1.1.1.1/0"), "cool")
assert.Equal(t, "cool", tree.Contains(ip2int(net.ParseIP("0.0.0.0"))))
assert.Equal(t, "cool", tree.Contains(ip2int(net.ParseIP("255.255.255.255"))))
}
func BenchmarkCIDRTree_Contains(b *testing.B) {
tree := NewCIDRTree()
tree.AddCIDR(getCIDR("1.1.0.0/16"), "1")
tree.AddCIDR(getCIDR("1.2.1.1/32"), "1")
tree.AddCIDR(getCIDR("192.2.1.1/32"), "1")
tree.AddCIDR(getCIDR("172.2.1.1/32"), "1")
ip := ip2int(net.ParseIP("1.2.1.1"))
b.Run("found", func(b *testing.B) {
for i := 0; i < b.N; i++ {
tree.Contains(ip)
}
})
ip = ip2int(net.ParseIP("1.2.1.255"))
b.Run("not found", func(b *testing.B) {
for i := 0; i < b.N; i++ {
tree.Contains(ip)
}
})
}
func BenchmarkCIDRTree_Match(b *testing.B) {
tree := NewCIDRTree()
tree.AddCIDR(getCIDR("1.1.0.0/16"), "1")
tree.AddCIDR(getCIDR("1.2.1.1/32"), "1")
tree.AddCIDR(getCIDR("192.2.1.1/32"), "1")
tree.AddCIDR(getCIDR("172.2.1.1/32"), "1")
ip := ip2int(net.ParseIP("1.2.1.1"))
b.Run("found", func(b *testing.B) {
for i := 0; i < b.N; i++ {
tree.Match(ip)
}
})
ip = ip2int(net.ParseIP("1.2.1.255"))
b.Run("not found", func(b *testing.B) {
for i := 0; i < b.N; i++ {
tree.Match(ip)
}
})
}
func getCIDR(s string) *net.IPNet {
_, c, _ := net.ParseCIDR(s)
return c
}