badguardhome/internal/aghnet/ipmap_test.go

143 lines
2.3 KiB
Go

package aghnet
import (
"net"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestIPMap_allocs(t *testing.T) {
ip4 := net.IP{1, 2, 3, 4}
m := NewIPMap(0)
m.Set(ip4, 42)
t.Run("get", func(t *testing.T) {
var v interface{}
var ok bool
allocs := testing.AllocsPerRun(100, func() {
v, ok = m.Get(ip4)
})
require.True(t, ok)
require.Equal(t, 42, v)
assert.Equal(t, float64(0), allocs)
})
t.Run("len", func(t *testing.T) {
var n int
allocs := testing.AllocsPerRun(100, func() {
n = m.Len()
})
require.Equal(t, 1, n)
assert.Equal(t, float64(0), allocs)
})
}
func TestIPMap(t *testing.T) {
ip4 := net.IP{1, 2, 3, 4}
ip6 := net.IP{
0x12, 0x34, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x56, 0x78,
}
val := 42
t.Run("nil", func(t *testing.T) {
var m *IPMap
assert.NotPanics(t, func() {
m.Del(ip4)
m.Del(ip6)
})
assert.NotPanics(t, func() {
v, ok := m.Get(ip4)
assert.Nil(t, v)
assert.False(t, ok)
v, ok = m.Get(ip6)
assert.Nil(t, v)
assert.False(t, ok)
})
assert.NotPanics(t, func() {
assert.Equal(t, 0, m.Len())
})
assert.NotPanics(t, func() {
n := 0
m.Range(func(_ net.IP, _ interface{}) (cont bool) {
n++
return true
})
assert.Equal(t, 0, n)
})
assert.Panics(t, func() {
m.Set(ip4, val)
})
assert.Panics(t, func() {
m.Set(ip6, val)
})
assert.NotPanics(t, func() {
sclone := m.ShallowClone()
assert.Nil(t, sclone)
})
})
testIPMap := func(t *testing.T, ip net.IP, s string) {
m := NewIPMap(0)
assert.Equal(t, 0, m.Len())
v, ok := m.Get(ip)
assert.Nil(t, v)
assert.False(t, ok)
m.Set(ip, val)
v, ok = m.Get(ip)
assert.Equal(t, val, v)
assert.True(t, ok)
n := 0
m.Range(func(ipKey net.IP, v interface{}) (cont bool) {
assert.Equal(t, ip.To16(), ipKey)
assert.Equal(t, val, v)
n++
return false
})
assert.Equal(t, 1, n)
sclone := m.ShallowClone()
assert.Equal(t, m, sclone)
assert.Equal(t, s, m.String())
m.Del(ip)
v, ok = m.Get(ip)
assert.Nil(t, v)
assert.False(t, ok)
assert.Equal(t, 0, m.Len())
}
t.Run("ipv4", func(t *testing.T) {
testIPMap(t, ip4, "map[1.2.3.4:42]")
})
t.Run("ipv6", func(t *testing.T) {
testIPMap(t, ip6, "map[1234::5678:42]")
})
}