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-rw-r--r--src/lib/dhcpsrv/tests/cfg_subnets6_unittest.cc267
1 files changed, 264 insertions, 3 deletions
diff --git a/src/lib/dhcpsrv/tests/cfg_subnets6_unittest.cc b/src/lib/dhcpsrv/tests/cfg_subnets6_unittest.cc
index e42260386a..575a0b8e90 100644
--- a/src/lib/dhcpsrv/tests/cfg_subnets6_unittest.cc
+++ b/src/lib/dhcpsrv/tests/cfg_subnets6_unittest.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2015 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2014-2017 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
@@ -12,12 +12,14 @@
#include <dhcpsrv/subnet.h>
#include <dhcpsrv/subnet_id.h>
#include <dhcpsrv/subnet_selector.h>
+#include <testutils/test_to_element.h>
#include <gtest/gtest.h>
#include <string>
using namespace isc;
using namespace isc::asiolink;
using namespace isc::dhcp;
+using namespace isc::test;
namespace {
@@ -30,6 +32,82 @@ generateInterfaceId(const std::string& text) {
return OptionPtr(new Option(Option::V6, D6O_INTERFACE_ID, buffer));
}
+// This test verifies that specific subnet can be retrieved by specifying
+// subnet identifier or subnet prefix.
+TEST(CfgSubnets6Test, getSpecificSubnet) {
+ CfgSubnets6 cfg;
+
+ // Create 3 subnets.
+ Subnet6Ptr subnet1(new Subnet6(IOAddress("2001:db8:1::"), 48, 1, 2, 3, 4,
+ SubnetID(5)));
+ Subnet6Ptr subnet2(new Subnet6(IOAddress("2001:db8:2::"), 48, 1, 2, 3, 4,
+ SubnetID(8)));
+ Subnet6Ptr subnet3(new Subnet6(IOAddress("2001:db8:3::"), 48, 1, 2, 3, 4,
+ SubnetID(10)));
+
+ // Store the subnets in a vector to make it possible to loop over
+ // all configured subnets.
+ std::vector<Subnet6Ptr> subnets;
+ subnets.push_back(subnet1);
+ subnets.push_back(subnet2);
+ subnets.push_back(subnet3);
+
+ // Add all subnets to the configuration.
+ for (auto subnet = subnets.cbegin(); subnet != subnets.cend(); ++subnet) {
+ ASSERT_NO_THROW(cfg.add(*subnet)) << "failed to add subnet with id: "
+ << (*subnet)->getID();
+ }
+
+ // Iterate over all subnets and make sure they can be retrieved by
+ // subnet identifier.
+ for (auto subnet = subnets.rbegin(); subnet != subnets.rend(); ++subnet) {
+ ConstSubnet6Ptr subnet_returned = cfg.getBySubnetId((*subnet)->getID());
+ ASSERT_TRUE(subnet_returned) << "failed to return subnet with id: "
+ << (*subnet)->getID();
+ EXPECT_EQ((*subnet)->getID(), subnet_returned->getID());
+ EXPECT_EQ((*subnet)->toText(), subnet_returned->toText());
+ }
+
+ // Repeat the previous test, but this time retrieve subnets by their
+ // prefixes.
+ for (auto subnet = subnets.rbegin(); subnet != subnets.rend(); ++subnet) {
+ ConstSubnet6Ptr subnet_returned = cfg.getByPrefix((*subnet)->toText());
+ ASSERT_TRUE(subnet_returned) << "failed to return subnet with id: "
+ << (*subnet)->getID();
+ EXPECT_EQ((*subnet)->getID(), subnet_returned->getID());
+ EXPECT_EQ((*subnet)->toText(), subnet_returned->toText());
+ }
+
+ // Make sure that null pointers are returned for non-existing subnets.
+ EXPECT_FALSE(cfg.getBySubnetId(SubnetID(123)));
+ EXPECT_FALSE(cfg.getByPrefix("3000::/16"));
+}
+
+// This test verifies that a single subnet can be removed from the configuration.
+TEST(CfgSubnets6Test, deleteSubnet) {
+ CfgSubnets6 cfg;
+
+ // Create 3 subnets.
+ Subnet6Ptr subnet1(new Subnet6(IOAddress("2001:db8:1::"), 48, 1, 2, 3, 4));
+ Subnet6Ptr subnet2(new Subnet6(IOAddress("2001:db8:2::"), 48, 1, 2, 3, 4));
+ Subnet6Ptr subnet3(new Subnet6(IOAddress("2001:db8:3::"), 48, 1, 2, 3, 4));
+
+ ASSERT_NO_THROW(cfg.add(subnet1));
+ ASSERT_NO_THROW(cfg.add(subnet2));
+ ASSERT_NO_THROW(cfg.add(subnet3));
+
+ // There should be three subnets.
+ ASSERT_EQ(3, cfg.getAll()->size());
+ // We're going to remove the subnet #2. Let's make sure it exists before
+ // we remove it.
+ ASSERT_TRUE(cfg.getByPrefix("2001:db8:2::/48"));
+
+ // Remove the subnet and make sure it is gone.
+ ASSERT_NO_THROW(cfg.del(subnet2));
+ ASSERT_EQ(2, cfg.getAll()->size());
+ EXPECT_FALSE(cfg.getByPrefix("2001:db8:2::/48"));
+}
+
// This test checks that the subnet can be selected using a relay agent's
// link address.
TEST(CfgSubnets6Test, selectSubnetByRelayAddress) {
@@ -240,9 +318,9 @@ TEST(CfgSubnets6Test, selectSubnetByRelayAddressAndClassify) {
EXPECT_FALSE(cfg.selectSubnet(selector));
}
-// Test that client classes are considered when the subnet is selcted by the
+// Test that client classes are considered when the subnet is selected by the
// interface name.
-TEST(CfgSubnets6Test, selectSubnetByInterfaceNameAndClaassify) {
+TEST(CfgSubnets6Test, selectSubnetByInterfaceNameAndClassify) {
CfgSubnets6 cfg;
Subnet6Ptr subnet1(new Subnet6(IOAddress("2000::"), 48, 1, 2, 3, 4));
@@ -342,4 +420,187 @@ TEST(CfgSubnets6Test, duplication) {
EXPECT_THROW(cfg.add(subnet3), isc::dhcp::DuplicateSubnetID);
}
+// This test check if IPv6 subnets can be unparsed in a predictable way,
+TEST(CfgSubnets6Test, unparseSubnet) {
+ CfgSubnets6 cfg;
+
+ // Add some subnets.
+ Subnet6Ptr subnet1(new Subnet6(IOAddress("2001:db8:1::"),
+ 48, 1, 2, 3, 4, 123));
+ Subnet6Ptr subnet2(new Subnet6(IOAddress("2001:db8:2::"),
+ 48, 1, 2, 3, 4, 124));
+ Subnet6Ptr subnet3(new Subnet6(IOAddress("2001:db8:3::"),
+ 48, 1, 2, 3, 4, 125));
+
+ OptionPtr ifaceid = generateInterfaceId("relay.eth0");
+ subnet1->setInterfaceId(ifaceid);
+ subnet1->allowClientClass("foo");
+ subnet2->setIface("lo");
+ subnet2->setRelayInfo(IOAddress("2001:db8:ff::2"));
+ subnet3->setIface("eth1");
+
+ cfg.add(subnet1);
+ cfg.add(subnet2);
+ cfg.add(subnet3);
+
+ // Unparse
+ std::string expected = "[\n"
+ "{\n"
+ " \"id\": 123,\n"
+ " \"subnet\": \"2001:db8:1::/48\",\n"
+ " \"relay\": { \"ip-address\": \"::\" },\n"
+ " \"interface-id\": \"relay.eth0\",\n"
+ " \"renew-timer\": 1,\n"
+ " \"rebind-timer\": 2,\n"
+ " \"preferred-lifetime\": 3,\n"
+ " \"valid-lifetime\": 4,\n"
+ " \"rapid-commit\": false,\n"
+ " \"reservation-mode\": \"all\",\n"
+ " \"client-class\": \"foo\",\n"
+ " \"pools\": [ ],\n"
+ " \"pd-pools\": [ ],\n"
+ " \"option-data\": [ ]\n"
+ "},{\n"
+ " \"id\": 124,\n"
+ " \"subnet\": \"2001:db8:2::/48\",\n"
+ " \"relay\": { \"ip-address\": \"2001:db8:ff::2\" },\n"
+ " \"interface\": \"lo\",\n"
+ " \"renew-timer\": 1,\n"
+ " \"rebind-timer\": 2,\n"
+ " \"preferred-lifetime\": 3,\n"
+ " \"valid-lifetime\": 4,\n"
+ " \"rapid-commit\": false,\n"
+ " \"reservation-mode\": \"all\",\n"
+ " \"pools\": [ ],\n"
+ " \"pd-pools\": [ ],\n"
+ " \"option-data\": [ ]\n"
+ "},{\n"
+ " \"id\": 125,\n"
+ " \"subnet\": \"2001:db8:3::/48\",\n"
+ " \"relay\": { \"ip-address\": \"::\" },\n"
+ " \"interface\": \"eth1\",\n"
+ " \"renew-timer\": 1,\n"
+ " \"rebind-timer\": 2,\n"
+ " \"preferred-lifetime\": 3,\n"
+ " \"valid-lifetime\": 4,\n"
+ " \"rapid-commit\": false,\n"
+ " \"reservation-mode\": \"all\",\n"
+ " \"pools\": [ ],\n"
+ " \"pd-pools\": [ ],\n"
+ " \"option-data\": [ ]\n"
+ "} ]\n";
+ runToElementTest<CfgSubnets6>(expected, cfg);
+}
+
+// This test check if IPv6 pools can be unparsed in a predictable way,
+TEST(CfgSubnets6Test, unparsePool) {
+ CfgSubnets6 cfg;
+
+ // Add a subnet with pools
+ Subnet6Ptr subnet(new Subnet6(IOAddress("2001:db8:1::"),
+ 48, 1, 2, 3, 4, 123));
+ Pool6Ptr pool1(new Pool6(Lease::TYPE_NA,
+ IOAddress("2001:db8:1::100"),
+ IOAddress("2001:db8:1::199")));
+ Pool6Ptr pool2(new Pool6(Lease::TYPE_NA, IOAddress("2001:db8:1:1::"), 64));
+
+ subnet->addPool(pool1);
+ subnet->addPool(pool2);
+ cfg.add(subnet);
+
+ // Unparse
+ std::string expected = "[\n"
+ "{\n"
+ " \"id\": 123,\n"
+ " \"subnet\": \"2001:db8:1::/48\",\n"
+ " \"relay\": { \"ip-address\": \"::\" },\n"
+ " \"renew-timer\": 1,\n"
+ " \"rebind-timer\": 2,\n"
+ " \"preferred-lifetime\": 3,\n"
+ " \"valid-lifetime\": 4,\n"
+ " \"rapid-commit\": false,\n"
+ " \"reservation-mode\": \"all\",\n"
+ " \"pools\": [\n"
+ " {\n"
+ " \"pool\": \"2001:db8:1::100-2001:db8:1::199\",\n"
+ " \"option-data\": [ ]\n"
+ " },{\n"
+ " \"pool\": \"2001:db8:1:1::/64\",\n"
+ " \"option-data\": [ ]\n"
+ " }\n"
+ " ],\n"
+ " \"pd-pools\": [ ],\n"
+ " \"option-data\": [ ]\n"
+ "} ]\n";
+ runToElementTest<CfgSubnets6>(expected, cfg);
+}
+
+// This test check if IPv6 prefix delegation pools can be unparsed
+// in a predictable way,
+TEST(CfgSubnets6Test, unparsePdPool) {
+ CfgSubnets6 cfg;
+
+ // Add a subnet with pd-pools
+ Subnet6Ptr subnet(new Subnet6(IOAddress("2001:db8:1::"),
+ 48, 1, 2, 3, 4, 123));
+ Pool6Ptr pdpool1(new Pool6(Lease::TYPE_PD,
+ IOAddress("2001:db8:2::"), 48, 64));
+ Pool6Ptr pdpool2(new Pool6(IOAddress("2001:db8:3::"), 48, 56,
+ IOAddress("2001:db8:3::"), 64));
+
+ subnet->addPool(pdpool1);
+ subnet->addPool(pdpool2);
+ cfg.add(subnet);
+
+ // Unparse
+ std::string expected = "[\n"
+ "{\n"
+ " \"id\": 123,\n"
+ " \"subnet\": \"2001:db8:1::/48\",\n"
+ " \"relay\": { \"ip-address\": \"::\" },\n"
+ " \"renew-timer\": 1,\n"
+ " \"rebind-timer\": 2,\n"
+ " \"preferred-lifetime\": 3,\n"
+ " \"valid-lifetime\": 4,\n"
+ " \"rapid-commit\": false,\n"
+ " \"reservation-mode\": \"all\",\n"
+ " \"pools\": [ ],\n"
+ " \"pd-pools\": [\n"
+ " {\n"
+ " \"prefix\": \"2001:db8:2::\",\n"
+ " \"prefix-len\": 48,\n"
+ " \"delegated-len\": 64,\n"
+ " \"option-data\": [ ]\n"
+ " },{\n"
+ " \"prefix\": \"2001:db8:3::\",\n"
+ " \"prefix-len\": 48,\n"
+ " \"delegated-len\": 56,\n"
+ " \"excluded-prefix\": \"2001:db8:3::\",\n"
+ " \"excluded-prefix-len\": 64,\n"
+ " \"option-data\": [ ]\n"
+ " }\n"
+ " ],\n"
+ " \"option-data\": [ ]\n"
+ "} ]\n";
+ runToElementTest<CfgSubnets6>(expected, cfg);
+}
+
+// This test verifies that it is possible to retrieve a subnet using subnet-id.
+TEST(CfgSubnets6Test, getSubnet) {
+ CfgSubnets6 cfg;
+
+ // Let's configure 3 subnets
+ Subnet6Ptr subnet1(new Subnet6(IOAddress("2001:db8:1::"), 48, 1, 2, 3, 4, 100));
+ Subnet6Ptr subnet2(new Subnet6(IOAddress("2001:db8:2::"), 48, 1, 2, 3, 4, 200));
+ Subnet6Ptr subnet3(new Subnet6(IOAddress("2001:db8:3::"), 48, 1, 2, 3, 4, 300));
+ cfg.add(subnet1);
+ cfg.add(subnet2);
+ cfg.add(subnet3);
+
+ EXPECT_EQ(subnet1, cfg.getSubnet(100));
+ EXPECT_EQ(subnet2, cfg.getSubnet(200));
+ EXPECT_EQ(subnet3, cfg.getSubnet(300));
+ EXPECT_EQ(Subnet6Ptr(), cfg.getSubnet(400)); // no such subnet
+}
+
} // end of anonymous namespace
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