mirror of
https://github.com/slackhq/nebula.git
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98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
package cidr
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import (
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"encoding/binary"
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"net"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestCIDR6Tree_MostSpecificContains(t *testing.T) {
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tree := NewTree6[string]()
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tree.AddCIDR(Parse("1.0.0.0/8"), "1")
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tree.AddCIDR(Parse("2.1.0.0/16"), "2")
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tree.AddCIDR(Parse("3.1.1.0/24"), "3")
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tree.AddCIDR(Parse("4.1.1.1/24"), "4a")
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tree.AddCIDR(Parse("4.1.1.1/30"), "4b")
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tree.AddCIDR(Parse("4.1.1.1/32"), "4c")
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tree.AddCIDR(Parse("254.0.0.0/4"), "5")
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tree.AddCIDR(Parse("1:2:0:4:5:0:0:0/64"), "6a")
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tree.AddCIDR(Parse("1:2:0:4:5:0:0:0/80"), "6b")
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tree.AddCIDR(Parse("1:2:0:4:5:0:0:0/96"), "6c")
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tests := []struct {
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Found bool
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Result interface{}
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IP string
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}{
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{true, "1", "1.0.0.0"},
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{true, "1", "1.255.255.255"},
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{true, "2", "2.1.0.0"},
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{true, "2", "2.1.255.255"},
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{true, "3", "3.1.1.0"},
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{true, "3", "3.1.1.255"},
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{true, "4a", "4.1.1.255"},
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{true, "4b", "4.1.1.2"},
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{true, "4c", "4.1.1.1"},
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{true, "5", "240.0.0.0"},
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{true, "5", "255.255.255.255"},
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{true, "6a", "1:2:0:4:1:1:1:1"},
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{true, "6b", "1:2:0:4:5:1:1:1"},
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{true, "6c", "1:2:0:4:5:0:0:0"},
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{false, "", "239.0.0.0"},
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{false, "", "4.1.2.2"},
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}
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for _, tt := range tests {
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ok, r := tree.MostSpecificContains(net.ParseIP(tt.IP))
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assert.Equal(t, tt.Found, ok)
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assert.Equal(t, tt.Result, r)
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}
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tree = NewTree6[string]()
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tree.AddCIDR(Parse("1.1.1.1/0"), "cool")
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tree.AddCIDR(Parse("::/0"), "cool6")
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ok, r := tree.MostSpecificContains(net.ParseIP("0.0.0.0"))
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assert.True(t, ok)
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assert.Equal(t, "cool", r)
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ok, r = tree.MostSpecificContains(net.ParseIP("255.255.255.255"))
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assert.True(t, ok)
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assert.Equal(t, "cool", r)
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ok, r = tree.MostSpecificContains(net.ParseIP("::"))
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assert.True(t, ok)
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assert.Equal(t, "cool6", r)
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ok, r = tree.MostSpecificContains(net.ParseIP("1:2:3:4:5:6:7:8"))
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assert.True(t, ok)
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assert.Equal(t, "cool6", r)
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}
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func TestCIDR6Tree_MostSpecificContainsIpV6(t *testing.T) {
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tree := NewTree6[string]()
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tree.AddCIDR(Parse("1:2:0:4:5:0:0:0/64"), "6a")
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tree.AddCIDR(Parse("1:2:0:4:5:0:0:0/80"), "6b")
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tree.AddCIDR(Parse("1:2:0:4:5:0:0:0/96"), "6c")
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tests := []struct {
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Found bool
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Result interface{}
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IP string
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}{
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{true, "6a", "1:2:0:4:1:1:1:1"},
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{true, "6b", "1:2:0:4:5:1:1:1"},
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{true, "6c", "1:2:0:4:5:0:0:0"},
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}
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for _, tt := range tests {
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ip := net.ParseIP(tt.IP)
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hi := binary.BigEndian.Uint64(ip[:8])
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lo := binary.BigEndian.Uint64(ip[8:])
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ok, r := tree.MostSpecificContainsIpV6(hi, lo)
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assert.Equal(t, tt.Found, ok)
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assert.Equal(t, tt.Result, r)
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}
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}
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