require 'spec_helper'

FakeHostProvider = Struct.new(:ip, :host_aliases, :comment)

describe Puppet::Type.type(:host) do
  let(:provider) { FakeHostProvider.new }
  let(:resource) { instance_double('Puppet::Type::Host', provider: provider) }

  it 'has :name be its namevar' do
    expect(described_class.key_attributes).to eq([:name])
  end

  describe 'when validating attributes' do
    [:name, :provider].each do |param|
      it "should have a #{param} parameter" do
        expect(described_class.attrtype(param)).to eq(:param)
      end
    end

    [:ip, :target, :host_aliases, :comment, :ensure].each do |property|
      it "should have a #{property} property" do
        expect(described_class.attrtype(property)).to eq(:property)
      end
    end

    it 'has a list host_aliases' do
      expect(described_class.attrclass(:host_aliases).ancestors).to be_include(Puppet::Property::OrderedList)
    end
  end

  describe 'when validating values' do
    it 'supports present as a value for ensure' do
      expect { described_class.new(name: 'foo', ensure: :present) }.not_to raise_error
    end

    it 'supports absent as a value for ensure' do
      expect { described_class.new(name: 'foo', ensure: :absent) }.not_to raise_error
    end

    it 'accepts IPv4 addresses' do
      expect { described_class.new(name: 'foo', ip: '10.96.0.1') }.not_to raise_error
    end

    it 'accepts long IPv6 addresses' do
      # Taken from wikipedia article about ipv6
      expect { described_class.new(name: 'foo', ip: '2001:0db8:85a3:08d3:1319:8a2e:0370:7344') }.not_to raise_error
    end

    it 'accepts one host_alias' do
      expect { described_class.new(name: 'foo', host_aliases: 'alias1') }.not_to raise_error
    end

    it 'accepts multiple host_aliases' do
      expect { described_class.new(name: 'foo', host_aliases: ['alias1', 'alias2']) }.not_to raise_error
    end

    it 'accepts shortened IPv6 addresses' do
      expect { described_class.new(name: 'foo', ip: '2001:db8:0:8d3:0:8a2e:70:7344') }.not_to raise_error
      expect { described_class.new(name: 'foo', ip: '::ffff:192.0.2.128') }.not_to raise_error
      expect { described_class.new(name: 'foo', ip: '::1') }.not_to raise_error
    end

    it 'does not accept malformed IPv4 addresses like 192.168.0.300' do
      expect { described_class.new(name: 'foo', ip: '192.168.0.300') }.to raise_error(Puppet::ResourceError, %r{Parameter ip failed})
    end

    it 'rejects over-long IPv4 addresses' do
      expect { described_class.new(name: 'foo', ip: '10.10.10.10.10') }.to raise_error(Puppet::ResourceError, %r{Parameter ip failed})
    end

    it 'does not accept malformed IP addresses like 2001:0dg8:85a3:08d3:1319:8a2e:0370:7344' do
      expect { described_class.new(name: 'foo', ip: '2001:0dg8:85a3:08d3:1319:8a2e:0370:7344') }.to raise_error(Puppet::ResourceError, %r{Parameter ip failed})
    end

    # Assorted, annotated IPv6 passes.
    ['::1',                          # loopback, compressed, non-routable
     '::',                           # unspecified, compressed, non-routable
     '0:0:0:0:0:0:0:1',              # loopback, full
     '0:0:0:0:0:0:0:0',              # unspecified, full
     '2001:DB8:0:0:8:800:200C:417A', # unicast, full
     'FF01:0:0:0:0:0:0:101',         # multicast, full
     '2001:DB8::8:800:200C:417A',    # unicast, compressed
     'FF01::101',                    # multicast, compressed
     # Some more test cases that should pass.
     '2001:0000:1234:0000:0000:C1C0:ABCD:0876',
     '3ffe:0b00:0000:0000:0001:0000:0000:000a',
     'FF02:0000:0000:0000:0000:0000:0000:0001',
     '0000:0000:0000:0000:0000:0000:0000:0001',
     '0000:0000:0000:0000:0000:0000:0000:0000',
     # Assorted valid, compressed IPv6 addresses.
     '2::10',
     'ff02::1',
     'fe80::',
     '2002::',
     '2001:db8::',
     '2001:0db8:1234::',
     '::ffff:0:0',
     '::1',
     '1:2:3:4:5:6:7:8',
     '1:2:3:4:5:6::8',
     '1:2:3:4:5::8',
     '1:2:3:4::8',
     '1:2:3::8',
     '1:2::8',
     '1::8',
     '1::2:3:4:5:6:7',
     '1::2:3:4:5:6',
     '1::2:3:4:5',
     '1::2:3:4',
     '1::2:3',
     '1::8',
     '::2:3:4:5:6:7:8',
     '::2:3:4:5:6:7',
     '::2:3:4:5:6',
     '::2:3:4:5',
     '::2:3:4',
     '::2:3',
     '::8',
     '1:2:3:4:5:6::',
     '1:2:3:4:5::',
     '1:2:3:4::',
     '1:2:3::',
     '1:2::',
     '1::',
     '1:2:3:4:5::7:8',
     '1:2:3:4::7:8',
     '1:2:3::7:8',
     '1:2::7:8',
     '1::7:8',
     # IPv4 addresses as dotted-quads
     '1:2:3:4:5:6:1.2.3.4',
     '1:2:3:4:5::1.2.3.4',
     '1:2:3:4::1.2.3.4',
     '1:2:3::1.2.3.4',
     '1:2::1.2.3.4',
     '1::1.2.3.4',
     '1:2:3:4::5:1.2.3.4',
     '1:2:3::5:1.2.3.4',
     '1:2::5:1.2.3.4',
     '1::5:1.2.3.4',
     '1::5:11.22.33.44',
     'fe80::217:f2ff:254.7.237.98',
     '::ffff:192.168.1.26',
     '::ffff:192.168.1.1',
     '0:0:0:0:0:0:13.1.68.3', # IPv4-compatible IPv6 address, full, deprecated
     '0:0:0:0:0:FFFF:129.144.52.38', # IPv4-mapped IPv6 address, full
     '::13.1.68.3',             # IPv4-compatible IPv6 address, compressed, deprecated
     '::FFFF:129.144.52.38',    # IPv4-mapped IPv6 address, compressed
     'fe80:0:0:0:204:61ff:254.157.241.86',
     'fe80::204:61ff:254.157.241.86',
     '::ffff:12.34.56.78',
     '::ffff:192.0.2.128',      # this is OK, since there's a single zero digit in IPv4
     'fe80:0000:0000:0000:0204:61ff:fe9d:f156',
     'fe80:0:0:0:204:61ff:fe9d:f156',
     'fe80::204:61ff:fe9d:f156',
     '::1',
     'fe80::',
     'fe80::1',
     '::ffff:c000:280',

     # Additional test cases from http://rt.cpan.org/Public/Bug/Display.html?id=50693
     '2001:0db8:85a3:0000:0000:8a2e:0370:7334',
     '2001:db8:85a3:0:0:8a2e:370:7334',
     '2001:db8:85a3::8a2e:370:7334',
     '2001:0db8:0000:0000:0000:0000:1428:57ab',
     '2001:0db8:0000:0000:0000::1428:57ab',
     '2001:0db8:0:0:0:0:1428:57ab',
     '2001:0db8:0:0::1428:57ab',
     '2001:0db8::1428:57ab',
     '2001:db8::1428:57ab',
     '0000:0000:0000:0000:0000:0000:0000:0001',
     '::1',
     '::ffff:0c22:384e',
     '2001:0db8:1234:0000:0000:0000:0000:0000',
     '2001:0db8:1234:ffff:ffff:ffff:ffff:ffff',
     '2001:db8:a::123',
     'fe80::',

     '1111:2222:3333:4444:5555:6666:7777:8888',
     '1111:2222:3333:4444:5555:6666:7777::',
     '1111:2222:3333:4444:5555:6666::',
     '1111:2222:3333:4444:5555::',
     '1111:2222:3333:4444::',
     '1111:2222:3333::',
     '1111:2222::',
     '1111::',
     '1111:2222:3333:4444:5555:6666::8888',
     '1111:2222:3333:4444:5555::8888',
     '1111:2222:3333:4444::8888',
     '1111:2222:3333::8888',
     '1111:2222::8888',
     '1111::8888',
     '::8888',
     '1111:2222:3333:4444:5555::7777:8888',
     '1111:2222:3333:4444::7777:8888',
     '1111:2222:3333::7777:8888',
     '1111:2222::7777:8888',
     '1111::7777:8888',
     '::7777:8888',
     '1111:2222:3333:4444::6666:7777:8888',
     '1111:2222:3333::6666:7777:8888',
     '1111:2222::6666:7777:8888',
     '1111::6666:7777:8888',
     '::6666:7777:8888',
     '1111:2222:3333::5555:6666:7777:8888',
     '1111:2222::5555:6666:7777:8888',
     '1111::5555:6666:7777:8888',
     '::5555:6666:7777:8888',
     '1111:2222::4444:5555:6666:7777:8888',
     '1111::4444:5555:6666:7777:8888',
     '::4444:5555:6666:7777:8888',
     '1111::3333:4444:5555:6666:7777:8888',
     '::3333:4444:5555:6666:7777:8888',
     '::2222:3333:4444:5555:6666:7777:8888',
     '1111:2222:3333:4444:5555:6666:123.123.123.123',
     '1111:2222:3333:4444:5555::123.123.123.123',
     '1111:2222:3333:4444::123.123.123.123',
     '1111:2222:3333::123.123.123.123',
     '1111:2222::123.123.123.123',
     '1111::123.123.123.123',
     '::123.123.123.123',
     '1111:2222:3333:4444::6666:123.123.123.123',
     '1111:2222:3333::6666:123.123.123.123',
     '1111:2222::6666:123.123.123.123',
     '1111::6666:123.123.123.123',
     '::6666:123.123.123.123',
     '1111:2222:3333::5555:6666:123.123.123.123',
     '1111:2222::5555:6666:123.123.123.123',
     '1111::5555:6666:123.123.123.123',
     '::5555:6666:123.123.123.123',
     '1111:2222::4444:5555:6666:123.123.123.123',
     '1111::4444:5555:6666:123.123.123.123',
     '::4444:5555:6666:123.123.123.123',
     '1111::3333:4444:5555:6666:123.123.123.123',
     '::2222:3333:4444:5555:6666:123.123.123.123',

     # Playing with combinations of "0" and "::"; these are all sytactically
     # correct, but are bad form because "0" adjacent to "::" should be
     # combined into "::"
     '::0:0:0:0:0:0:0',
     '::0:0:0:0:0:0',
     '::0:0:0:0:0',
     '::0:0:0:0',
     '::0:0:0',
     '::0:0',
     '::0',
     '0:0:0:0:0:0:0::',
     '0:0:0:0:0:0::',
     '0:0:0:0:0::',
     '0:0:0:0::',
     '0:0:0::',
     '0:0::',
     '0::',

     # Additional cases: http://crisp.tweakblogs.net/blog/2031/ipv6-validation-%28and-caveats%29.html
     '0:a:b:c:d:e:f::',
     '::0:a:b:c:d:e:f', # syntactically correct, but bad form (::0:... could be combined)
     'a:b:c:d:e:f:0::'].each do |ip|
      it "should accept #{ip.inspect} as an IPv6 address" do
        expect { described_class.new(name: 'foo', ip: ip) }.not_to raise_error
      end
    end

    # ...aaaand, some failure cases.
    [':',
     '02001:0000:1234:0000:0000:C1C0:ABCD:0876',     # extra 0 not allowed!
     '2001:0000:1234:0000:00001:C1C0:ABCD:0876',     # extra 0 not allowed!
     '2001:0000:1234:0000:0000:C1C0:ABCD:0876  0',   # junk after valid address
     '2001:0000:1234: 0000:0000:C1C0:ABCD:0876',     # internal space
     '3ffe:0b00:0000:0001:0000:0000:000a',           # seven segments
     'FF02:0000:0000:0000:0000:0000:0000:0000:0001', # nine segments
     '3ffe:b00::1::a',                               # double "::"
     '::1111:2222:3333:4444:5555:6666::',            # double "::"
     '1:2:3::4:5::7:8',                              # Double "::"
     '12345::6:7:8',
     # IPv4 embedded, but bad...
     '1::5:400.2.3.4', '1::5:260.2.3.4', '1::5:256.2.3.4', '1::5:1.256.3.4',
     '1::5:1.2.256.4', '1::5:1.2.3.256', '1::5:300.2.3.4', '1::5:1.300.3.4',
     '1::5:1.2.300.4', '1::5:1.2.3.300', '1::5:900.2.3.4', '1::5:1.900.3.4',
     '1::5:1.2.900.4', '1::5:1.2.3.900', '1::5:300.300.300.300', '1::5:3000.30.30.30',
     '1::400.2.3.4', '1::260.2.3.4', '1::256.2.3.4', '1::1.256.3.4',
     '1::1.2.256.4', '1::1.2.3.256', '1::300.2.3.4', '1::1.300.3.4',
     '1::1.2.300.4', '1::1.2.3.300', '1::900.2.3.4', '1::1.900.3.4',
     '1::1.2.900.4', '1::1.2.3.900', '1::300.300.300.300', '1::3000.30.30.30',
     '::400.2.3.4', '::260.2.3.4', '::256.2.3.4', '::1.256.3.4',
     '::1.2.256.4', '::1.2.3.256', '::300.2.3.4', '::1.300.3.4',
     '::1.2.300.4', '::1.2.3.300', '::900.2.3.4', '::1.900.3.4',
     '::1.2.900.4', '::1.2.3.900', '::300.300.300.300', '::3000.30.30.30',
     '2001:1:1:1:1:1:255Z255X255Y255', # garbage instead of "." in IPv4
     '::ffff:192x168.1.26',            # ditto
     '::ffff:2.3.4',
     '::ffff:257.1.2.3',
     '1.2.3.4:1111:2222:3333:4444::5555',
     '1.2.3.4:1111:2222:3333::5555',
     '1.2.3.4:1111:2222::5555',
     '1.2.3.4:1111::5555',
     '1.2.3.4::5555',
     '1.2.3.4::',

     # Testing IPv4 addresses represented as dotted-quads Leading zero's in
     # IPv4 addresses not allowed: some systems treat the leading "0" in
     # ".086" as the start of an octal number Update: The BNF in RFC-3986
     # explicitly defines the dec-octet (for IPv4 addresses) not to have a
     # leading zero
     'fe80:0000:0000:0000:0204:61ff:254.157.241.086',
     'XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:1.2.3.4',
     '1111:2222:3333:4444:5555:6666:00.00.00.00',
     '1111:2222:3333:4444:5555:6666:000.000.000.000',
     '1111:2222:3333:4444:5555:6666:256.256.256.256',

     '1111:2222:3333:4444::5555:',
     '1111:2222:3333::5555:',
     '1111:2222::5555:',
     '1111::5555:',
     '::5555:',
     ':::',
     '1111:',
     ':',

     ':1111:2222:3333:4444::5555',
     ':1111:2222:3333::5555',
     ':1111:2222::5555',
     ':1111::5555',
     ':::5555',
     ':::',

     # Additional test cases from http://rt.cpan.org/Public/Bug/Display.html?id=50693
     '123',
     'ldkfj',
     '2001::FFD3::57ab',
     '2001:db8:85a3::8a2e:37023:7334',
     '2001:db8:85a3::8a2e:370k:7334',
     '1:2:3:4:5:6:7:8:9',
     '1::2::3',
     '1:::3:4:5',
     '1:2:3::4:5:6:7:8:9',

     # Invalid data
     'XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX',

     # Too many components
     '1111:2222:3333:4444:5555:6666:7777:8888:9999',
     '1111:2222:3333:4444:5555:6666:7777:8888::',
     '::2222:3333:4444:5555:6666:7777:8888:9999',

     # Too few components
     '1111:2222:3333:4444:5555:6666:7777',
     '1111:2222:3333:4444:5555:6666',
     '1111:2222:3333:4444:5555',
     '1111:2222:3333:4444',
     '1111:2222:3333',
     '1111:2222',
     '1111',

     # Missing :
     '11112222:3333:4444:5555:6666:7777:8888',
     '1111:22223333:4444:5555:6666:7777:8888',
     '1111:2222:33334444:5555:6666:7777:8888',
     '1111:2222:3333:44445555:6666:7777:8888',
     '1111:2222:3333:4444:55556666:7777:8888',
     '1111:2222:3333:4444:5555:66667777:8888',
     '1111:2222:3333:4444:5555:6666:77778888',

     # Missing : intended for ::
     '1111:2222:3333:4444:5555:6666:7777:8888:',
     '1111:2222:3333:4444:5555:6666:7777:',
     '1111:2222:3333:4444:5555:6666:',
     '1111:2222:3333:4444:5555:',
     '1111:2222:3333:4444:',
     '1111:2222:3333:',
     '1111:2222:',
     '1111:',
     ':',
     ':8888',
     ':7777:8888',
     ':6666:7777:8888',
     ':5555:6666:7777:8888',
     ':4444:5555:6666:7777:8888',
     ':3333:4444:5555:6666:7777:8888',
     ':2222:3333:4444:5555:6666:7777:8888',
     ':1111:2222:3333:4444:5555:6666:7777:8888',

     # :::
     ':::2222:3333:4444:5555:6666:7777:8888',
     '1111:::3333:4444:5555:6666:7777:8888',
     '1111:2222:::4444:5555:6666:7777:8888',
     '1111:2222:3333:::5555:6666:7777:8888',
     '1111:2222:3333:4444:::6666:7777:8888',
     '1111:2222:3333:4444:5555:::7777:8888',
     '1111:2222:3333:4444:5555:6666:::8888',
     '1111:2222:3333:4444:5555:6666:7777:::',

     # Double ::",
     '::2222::4444:5555:6666:7777:8888',
     '::2222:3333::5555:6666:7777:8888',
     '::2222:3333:4444::6666:7777:8888',
     '::2222:3333:4444:5555::7777:8888',
     '::2222:3333:4444:5555:7777::8888',
     '::2222:3333:4444:5555:7777:8888::',

     '1111::3333::5555:6666:7777:8888',
     '1111::3333:4444::6666:7777:8888',
     '1111::3333:4444:5555::7777:8888',
     '1111::3333:4444:5555:6666::8888',
     '1111::3333:4444:5555:6666:7777::',

     '1111:2222::4444::6666:7777:8888',
     '1111:2222::4444:5555::7777:8888',
     '1111:2222::4444:5555:6666::8888',
     '1111:2222::4444:5555:6666:7777::',

     '1111:2222:3333::5555::7777:8888',
     '1111:2222:3333::5555:6666::8888',
     '1111:2222:3333::5555:6666:7777::',

     '1111:2222:3333:4444::6666::8888',
     '1111:2222:3333:4444::6666:7777::',

     '1111:2222:3333:4444:5555::7777::',

     # Too many components"
     '1111:2222:3333:4444:5555:6666:7777:8888:1.2.3.4',
     '1111:2222:3333:4444:5555:6666:7777:1.2.3.4',
     '1111:2222:3333:4444:5555:6666::1.2.3.4',
     '::2222:3333:4444:5555:6666:7777:1.2.3.4',
     '1111:2222:3333:4444:5555:6666:1.2.3.4.5',

     # Too few components
     '1111:2222:3333:4444:5555:1.2.3.4',
     '1111:2222:3333:4444:1.2.3.4',
     '1111:2222:3333:1.2.3.4',
     '1111:2222:1.2.3.4',
     '1111:1.2.3.4',

     # Missing :
     '11112222:3333:4444:5555:6666:1.2.3.4',
     '1111:22223333:4444:5555:6666:1.2.3.4',
     '1111:2222:33334444:5555:6666:1.2.3.4',
     '1111:2222:3333:44445555:6666:1.2.3.4',
     '1111:2222:3333:4444:55556666:1.2.3.4',
     '1111:2222:3333:4444:5555:66661.2.3.4',

     # Missing .
     '1111:2222:3333:4444:5555:6666:255255.255.255',
     '1111:2222:3333:4444:5555:6666:255.255255.255',
     '1111:2222:3333:4444:5555:6666:255.255.255255',

     # Missing : intended for ::
     ':1.2.3.4',
     ':6666:1.2.3.4',
     ':5555:6666:1.2.3.4',
     ':4444:5555:6666:1.2.3.4',
     ':3333:4444:5555:6666:1.2.3.4',
     ':2222:3333:4444:5555:6666:1.2.3.4',
     ':1111:2222:3333:4444:5555:6666:1.2.3.4',

     # :::
     ':::2222:3333:4444:5555:6666:1.2.3.4',
     '1111:::3333:4444:5555:6666:1.2.3.4',
     '1111:2222:::4444:5555:6666:1.2.3.4',
     '1111:2222:3333:::5555:6666:1.2.3.4',
     '1111:2222:3333:4444:::6666:1.2.3.4',
     '1111:2222:3333:4444:5555:::1.2.3.4',

     # Double ::
     '::2222::4444:5555:6666:1.2.3.4',
     '::2222:3333::5555:6666:1.2.3.4',
     '::2222:3333:4444::6666:1.2.3.4',
     '::2222:3333:4444:5555::1.2.3.4',

     '1111::3333::5555:6666:1.2.3.4',
     '1111::3333:4444::6666:1.2.3.4',
     '1111::3333:4444:5555::1.2.3.4',

     '1111:2222::4444::6666:1.2.3.4',
     '1111:2222::4444:5555::1.2.3.4',

     '1111:2222:3333::5555::1.2.3.4',

     # Missing parts
     '::.',
     '::..',
     '::...',
     '::1...',
     '::1.2..',
     '::1.2.3.',
     '::.2..',
     '::.2.3.',
     '::.2.3.4',
     '::..3.',
     '::..3.4',
     '::...4',

     # Extra : in front
     ':1111:2222:3333:4444:5555:6666:7777::',
     ':1111:2222:3333:4444:5555:6666::',
     ':1111:2222:3333:4444:5555::',
     ':1111:2222:3333:4444::',
     ':1111:2222:3333::',
     ':1111:2222::',
     ':1111::',
     ':::',
     ':1111:2222:3333:4444:5555:6666::8888',
     ':1111:2222:3333:4444:5555::8888',
     ':1111:2222:3333:4444::8888',
     ':1111:2222:3333::8888',
     ':1111:2222::8888',
     ':1111::8888',
     ':::8888',
     ':1111:2222:3333:4444:5555::7777:8888',
     ':1111:2222:3333:4444::7777:8888',
     ':1111:2222:3333::7777:8888',
     ':1111:2222::7777:8888',
     ':1111::7777:8888',
     ':::7777:8888',
     ':1111:2222:3333:4444::6666:7777:8888',
     ':1111:2222:3333::6666:7777:8888',
     ':1111:2222::6666:7777:8888',
     ':1111::6666:7777:8888',
     ':::6666:7777:8888',
     ':1111:2222:3333::5555:6666:7777:8888',
     ':1111:2222::5555:6666:7777:8888',
     ':1111::5555:6666:7777:8888',
     ':::5555:6666:7777:8888',
     ':1111:2222::4444:5555:6666:7777:8888',
     ':1111::4444:5555:6666:7777:8888',
     ':::4444:5555:6666:7777:8888',
     ':1111::3333:4444:5555:6666:7777:8888',
     ':::3333:4444:5555:6666:7777:8888',
     ':::2222:3333:4444:5555:6666:7777:8888',
     ':1111:2222:3333:4444:5555:6666:1.2.3.4',
     ':1111:2222:3333:4444:5555::1.2.3.4',
     ':1111:2222:3333:4444::1.2.3.4',
     ':1111:2222:3333::1.2.3.4',
     ':1111:2222::1.2.3.4',
     ':1111::1.2.3.4',
     ':::1.2.3.4',
     ':1111:2222:3333:4444::6666:1.2.3.4',
     ':1111:2222:3333::6666:1.2.3.4',
     ':1111:2222::6666:1.2.3.4',
     ':1111::6666:1.2.3.4',
     ':::6666:1.2.3.4',
     ':1111:2222:3333::5555:6666:1.2.3.4',
     ':1111:2222::5555:6666:1.2.3.4',
     ':1111::5555:6666:1.2.3.4',
     ':::5555:6666:1.2.3.4',
     ':1111:2222::4444:5555:6666:1.2.3.4',
     ':1111::4444:5555:6666:1.2.3.4',
     ':::4444:5555:6666:1.2.3.4',
     ':1111::3333:4444:5555:6666:1.2.3.4',
     ':::2222:3333:4444:5555:6666:1.2.3.4',

     # Extra : at end
     '1111:2222:3333:4444:5555:6666:7777:::',
     '1111:2222:3333:4444:5555:6666:::',
     '1111:2222:3333:4444:5555:::',
     '1111:2222:3333:4444:::',
     '1111:2222:3333:::',
     '1111:2222:::',
     '1111:::',
     ':::',
     '1111:2222:3333:4444:5555:6666::8888:',
     '1111:2222:3333:4444:5555::8888:',
     '1111:2222:3333:4444::8888:',
     '1111:2222:3333::8888:',
     '1111:2222::8888:',
     '1111::8888:',
     '::8888:',
     '1111:2222:3333:4444:5555::7777:8888:',
     '1111:2222:3333:4444::7777:8888:',
     '1111:2222:3333::7777:8888:',
     '1111:2222::7777:8888:',
     '1111::7777:8888:',
     '::7777:8888:',
     '1111:2222:3333:4444::6666:7777:8888:',
     '1111:2222:3333::6666:7777:8888:',
     '1111:2222::6666:7777:8888:',
     '1111::6666:7777:8888:',
     '::6666:7777:8888:',
     '1111:2222:3333::5555:6666:7777:8888:',
     '1111:2222::5555:6666:7777:8888:',
     '1111::5555:6666:7777:8888:',
     '::5555:6666:7777:8888:',
     '1111:2222::4444:5555:6666:7777:8888:',
     '1111::4444:5555:6666:7777:8888:',
     '::4444:5555:6666:7777:8888:',
     '1111::3333:4444:5555:6666:7777:8888:',
     '::3333:4444:5555:6666:7777:8888:',
     '::2222:3333:4444:5555:6666:7777:8888:'].each do |ip|
      it "should reject #{ip.inspect} as an IPv6 address" do
        expect { described_class.new(name: 'foo', ip: ip) }.to raise_error(Puppet::ResourceError, %r{Parameter ip failed})
      end
    end

    it 'does not accept newlines in resourcename' do
      expect { described_class.new(name: "fo\no", ip: '127.0.0.1') }.to raise_error(Puppet::ResourceError, %r{Hostname cannot include newline})
    end

    it 'does not accept newlines in ipaddress' do
      expect { described_class.new(name: 'foo', ip: "127.0.0.1\n") }.to raise_error(Puppet::ResourceError, %r{Invalid IP address})
    end

    it 'does not accept newlines in host_aliases' do
      expect { described_class.new(name: 'foo', ip: '127.0.0.1', host_aliases: ['well_formed', "thisalias\nhavenewline"]) }.to raise_error(Puppet::ResourceError, %r{Host aliases cannot include whitespace})
    end

    it 'does not accept newlines in comment' do
      expect { described_class.new(name: 'foo', ip: '127.0.0.1', comment: "Test of comment blah blah \n test 123") }.to raise_error(Puppet::ResourceError, %r{Comment cannot include newline})
    end

    it 'does not accept spaces in resourcename' do
      expect { described_class.new(name: 'foo bar') }.to raise_error(Puppet::ResourceError, %r{Invalid host name})
    end

    it 'does not accept host_aliases with spaces' do
      expect { described_class.new(name: 'foo', host_aliases: ['well_formed', 'not wellformed']) }.to raise_error(Puppet::ResourceError, %r{Host aliases cannot include whitespace})
    end

    it 'does not accept empty host_aliases' do
      expect { described_class.new(name: 'foo', host_aliases: ['alias1', '']) }.to raise_error(Puppet::ResourceError, %r{Host aliases cannot be an empty string})
    end
  end

  describe 'when syncing' do
    it 'sends the first value to the provider for ip property' do
      ip = described_class.attrclass(:ip).new(resource: resource, should: ['192.168.0.1', '192.168.0.2'])
      ip.sync

      expect(provider.ip).to eq('192.168.0.1')
    end

    it 'sends the first value to the provider for comment property' do
      comment = described_class.attrclass(:comment).new(resource: resource, should: ['Bazinga', 'Notme'])
      comment.sync

      expect(provider.comment).to eq('Bazinga')
    end

    it 'sends the joined array to the provider for host_alias' do
      host_aliases = described_class.attrclass(:host_aliases).new(resource: resource, should: ['foo', 'bar'])
      host_aliases.sync

      expect(provider.host_aliases).to eq('foo bar')
    end

    it 'alsoes use the specified delimiter for joining' do
      host_aliases = described_class.attrclass(:host_aliases).new(resource: resource, should: ['foo', 'bar'])
      allow(host_aliases).to receive(:delimiter).and_return "\t"
      host_aliases.sync

      expect(provider.host_aliases).to eq("foo\tbar")
    end

    it 'cares about the order of host_aliases' do
      host_aliases = described_class.attrclass(:host_aliases).new(resource: resource, should: ['foo', 'bar'])
      expect(host_aliases.insync?(['foo', 'bar'])).to eq(true)
      expect(host_aliases.insync?(['bar', 'foo'])).to eq(false)
    end

    it 'does not consider aliases to be in sync if should is a subset of current' do
      host_aliases = described_class.attrclass(:host_aliases).new(resource: resource, should: ['foo', 'bar'])
      expect(host_aliases.insync?(['foo', 'bar', 'anotherone'])).to eq(false)
    end
  end
end