feat(*): Accept IPV6

lib/validates_host/ip.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'resolv'
+
 module ValidatesHost
   class Ip
     def initialize(value)
@@ -9,7 +11,7 @@ def initialize(value)
     def valid?
       return true if @value.blank?
 
-      @value =~ /^([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}$/
+      @value =~ Regexp.union(Resolv::IPv4::Regex, Resolv::IPv6::Regex)
     end
   end
 end

spec/validates_host/ip_validator_spec.rb

@@ -20,7 +20,7 @@
     end
   end
 
-  context 'when ip is valid' do
+  context 'when ip is IPV4 valid' do
     before do
       server.ip = '10.10.10.1'
       server.valid?
@@ -35,6 +35,21 @@
     end
   end
 
+  context 'when ip is IPV6 valid' do
+    before do
+      server.ip = 'fd92:fe56:b43a:062e:ffff:ffff:ffff:ffff'
+      server.valid?
+    end
+
+    it 'sets object as valid' do
+      expect(server).to be_valid
+    end
+
+    it 'does not set an error on attribute' do
+      expect(server.errors[:ip]).to be_blank
+    end
+  end
+
   it 'is valid with a nil value' do
     expect(server).to be_valid
   end