package net import ( "testing" "github.com/stretchr/testify/require" ) func TestAnonymizeIPString(t *testing.T) { _, err := AnonymizeIPString("127.987.475.21") require.Error(t, err) _, err = AnonymizeIPString("bbd1:xxxx") require.Error(t, err) _, err = AnonymizeIPString("hello-world") require.Error(t, err) ipv4 := "192.168.1.42" ipv6 := "bbd1:e95a:adbb:b29a:e38b:577f:6f9a:1fa7" anonymizedIPv4, err := AnonymizeIPString(ipv4) require.NoError(t, err) require.Equal(t, "192.168.1.0", anonymizedIPv4) anonymizedIPv6, err := AnonymizeIPString(ipv6) require.NoError(t, err) require.Equal(t, "bbd1:e95a:adbb:b29a::", anonymizedIPv6) }