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require 'test_helper'
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require 'dhcp_common/subnet'
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require 'dhcp_common/subnet_service'
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require 'dhcp_isc/isc_file_parser'
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class DhcpIscParserTest < Test::Unit::TestCase
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DHCPD_CONFIG =<<END
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# This is a comment.
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subnet 192.168.122.0 netmask 255.255.255.0 {
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option routers 192.168.122.250; # This is an inline comment
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next-server 192.168.122.251;
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}
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subnet 192.168.123.0 netmask 255.255.255.192 {
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option subnet-mask 255.255.255.192;
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option routers 192.168.123.1;
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option domain-name-servers 192.168.123.1;
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option domain-name example.com;
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range 192.168.123.2 192.168.123.62;
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}
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subnet 192.168.124.0 netmask 255.255.255.0 {
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pool
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{
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range 192.168.124.200 192.168.124.254;
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}
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option domain-name foo.example.com;
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option routers 192.168.124.1, 192.168.124.2;
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option domain-name-servers 192.168.123.1, 192.168.122.250;
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}
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subnet 192.168.1.0 netmask 255.255.255.128 {
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}
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host test.example.com {
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hardware ethernet 00:11:bb:cc:dd:ee;
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fixed-address 192.168.122.1;
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}
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END
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def setup
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@subnet_service = Proxy::DHCP::SubnetService.initialized_instance
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@parser = ::Proxy::DHCP::ISC::FileParser.new(@subnet_service)
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end
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def test_subnet_matching_without_parameters_or_declarations
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assert "subnet 192.168.1.0 netmask 255.255.255.128 {}".match(Proxy::DHCP::ISC::FileParser::SUBNET_BLOCK_REGEX)
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end
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def test_subnet_matching_with_ip_parameter
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assert "subnet 192.168.123.0 netmask 255.255.255.192 {option subnet-mask 255.255.255.192;}".match(Proxy::DHCP::ISC::FileParser::SUBNET_BLOCK_REGEX)
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end
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def test_subnet_matching_with_numerical_parameter
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assert "subnet 192.168.123.0 netmask 255.255.255.192 {adaptive-lease-time-threshold 50;}".match(Proxy::DHCP::ISC::FileParser::SUBNET_BLOCK_REGEX)
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end
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def test_subnet_matching_with_timestamp_parameter
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assert "subnet 192.168.123.0 netmask 255.255.255.192 {dynamic-bootp-lease-cutoff 5 2016/11/11 01:01:00;}".match(Proxy::DHCP::ISC::FileParser::SUBNET_BLOCK_REGEX)
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end
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def test_subnet_matching_with_string_parameter
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assert "subnet 192.168.123.0 netmask 255.255.255.192 {filename \"filename\";}".match(Proxy::DHCP::ISC::FileParser::SUBNET_BLOCK_REGEX)
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end
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def test_subnet_matching_with_spaces_in_parameter
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assert "subnet 192.168.123.0 netmask 255.255.255.192 { option subnet-mask 255.255.255.192 ; }".match(Proxy::DHCP::ISC::FileParser::SUBNET_BLOCK_REGEX)
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end
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def test_subnet_matching_with_declaration
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assert "subnet 192.168.123.0 netmask 255.255.255.192 {pool{range 192.168.42.200 192.168.42.254;}}".match(Proxy::DHCP::ISC::FileParser::SUBNET_BLOCK_REGEX)
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end
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def test_subnet_matching_with_declaration_and_parameter
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assert "subnet 192.168.123.0 netmask 255.255.255.192 {pool{range 192.168.42.200 192.168.42.254;}option subnet-mask 255.255.255.192;}".
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match(Proxy::DHCP::ISC::FileParser::SUBNET_BLOCK_REGEX)
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end
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def test_mathing_with_spaces_in_declarations
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assert "subnet 192.168.1.0 netmask 255.255.255.128 { pool\n{ range abc ; } }".match(Proxy::DHCP::ISC::FileParser::SUBNET_BLOCK_REGEX)
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end
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def test_load_subnets_loads_managed_subnets
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subnets = @parser.parse_config_for_subnets(DHCPD_CONFIG)
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assert_equal 4, subnets.size
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end
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def test_managed_subnets_options
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subnets = @parser.parse_config_for_subnets(DHCPD_CONFIG)
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assert_not_nil subnets[0].options
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assert_not_nil subnets[1].options
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assert_not_nil subnets[2].options
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assert_equal Hash.new, subnets[3].options
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end
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def test_managed_subnets_network_addresses
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subnets = @parser.parse_config_for_subnets(DHCPD_CONFIG)
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assert_equal "192.168.122.0", subnets[0].network
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assert_equal "192.168.123.0", subnets[1].network
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assert_equal "192.168.124.0", subnets[2].network
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assert_equal "192.168.1.0", subnets[3].network
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end
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def test_managed_subnets_netmask
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subnets = @parser.parse_config_for_subnets(DHCPD_CONFIG)
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assert_equal "255.255.255.0", subnets[0].netmask
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assert_equal "255.255.255.192", subnets[1].netmask
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assert_equal "255.255.255.0", subnets[2].netmask
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assert_equal "255.255.255.128", subnets[3].netmask
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end
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def test_managed_subnets_router_addresses
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subnets = @parser.parse_config_for_subnets(DHCPD_CONFIG)
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assert_equal ["192.168.122.250"], subnets[0].options[:routers]
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assert_equal nil, subnets[0].options[:routers][1]
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assert_equal ["192.168.123.1"], subnets[1].options[:routers]
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assert_equal ["192.168.124.1", "192.168.124.2"], subnets[2].options[:routers]
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end
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def test_managed_subnets_domain_name_servers
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subnets = @parser.parse_config_for_subnets(DHCPD_CONFIG)
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assert_equal nil, subnets[0].options[:domain_name_servers]
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assert_equal ["192.168.123.1"], subnets[1].options[:domain_name_servers]
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assert_equal ["192.168.123.1", "192.168.122.250"], subnets[2].options[:domain_name_servers]
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end
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def test_managed_subnets_range
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subnets = @parser.parse_config_for_subnets(DHCPD_CONFIG)
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assert_equal nil, subnets[0].options[:range]
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assert_equal ["192.168.123.2", "192.168.123.62"], subnets[1].options[:range]
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assert_equal nil, subnets[2].options[:range]
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end
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def test_parse_config_and_leases
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subnet = Proxy::DHCP::Subnet.new("192.168.122.0", "255.255.255.0")
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@subnet_service.add_subnet(subnet)
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parsed = @parser.parse_config_and_leases_for_records(File.read("./test/fixtures/dhcp/dhcp.leases"))
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assert_equal 20, parsed.size
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deleted = parsed.select {|record| record.is_a?(::Proxy::DHCP::Reservation) && record.name == "deleted.example.com" }
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assert_equal [::Proxy::DHCP::Reservation, ::Proxy::DHCP::DeletedReservation], deleted.map(&:class)
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assert_nil parsed.find {|record| record.ip == "192.168.122.0" }
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assert_not_nil parsed.find {|record| record.respond_to?(:name) && record.name == "undeleted.example.com" }
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assert_not_nil parsed.find {|record| record.ip == "192.168.122.35"}
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end
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def test_get_ip_list_from_config_line
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assert_equal ["192.168.1.1"], @parser.get_ip_list_from_config_line("option foo-bar 192.168.1.1")
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assert_equal ["192.168.1.1", "192.168.20.10"], @parser.get_ip_list_from_config_line("option foo-bar 192.168.1.1,192.168.20.10")
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assert_equal ["192.168.1.1", "192.168.20.10", "192.168.130.100"], @parser.get_ip_list_from_config_line("option foo-bar 192.168.1.1, 192.168.20.10,192.168.130.100")
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assert_equal ["192.168.1.1", "192.168.20.10", "192.168.130.100", "10.1.1.1"], @parser.get_ip_list_from_config_line("option foo-bar 192.168.1.1, 192.168.20.10,192.168.130.100, 10.1.1.1")
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end
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def test_get_range_from_config_line
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assert_equal ["192.168.1.1", "192.168.1.254"], @parser.get_range_from_config_line("range 192.168.1.1 192.168.1.254")
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assert_equal ["192.168.10.1", "192.168.10.8"], @parser.get_range_from_config_line("range 192.168.10.1 192.168.10.8")
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assert_equal ["10.16.1.1", "10.16.1.254"], @parser.get_range_from_config_line("range 10.16.1.1 10.16.1.254")
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end
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end
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