[5306] Added stub unit tests for shared networks in DHCPv4.

src/bin/dhcp4/tests/Makefile.am

@@ -96,6 +96,7 @@ dhcp4_unittests_SOURCES += kea_controller_unittest.cc
 dhcp4_unittests_SOURCES += dhcp4to6_ipc_unittest.cc
 dhcp4_unittests_SOURCES += simple_parser4_unittest.cc
 dhcp4_unittests_SOURCES += get_config_unittest.cc get_config_unittest.h
+dhcp4_unittests_SOURCES += shared_network_unittest.cc
 
 nodist_dhcp4_unittests_SOURCES = marker_file.h test_libraries.h
 

src/bin/dhcp4/tests/shared_network_unittest.cc

@@ -0,0 +1,135 @@
+// Copyright (C) 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
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <config.h>
+#include <dhcp/tests/iface_mgr_test_config.h>
+#include <dhcp4/tests/dhcp4_client.h>
+#include <dhcp4/tests/dhcp4_test_utils.h>
+#include <stats/stats_mgr.h>
+
+using namespace isc;
+using namespace isc::asiolink;
+using namespace isc::dhcp;
+using namespace isc::dhcp::test;
+using namespace isc::stats;
+
+namespace {
+
+const char* NETWORKS_CONFIG[] = {
+    "{"
+    "    \"interfaces-config\": {"
+    "        \"interfaces\": [ \"*\" ]"
+    "},"
+    "\"valid-lifetime\": 600,"
+    "\"shared-networks\": ["
+    "    {"
+    "        \"name\": \"frog\""
+    "        \"subnet4\": ["
+    "            {"
+    "                \"subnet\": \"192.0.2.0/26\","
+    "                \"id\": 10,"
+    "                \"pools\": ["
+    "                    {"
+    "                        \"pool\": \"192.0.2.1 - 192.0.2.63\""
+    "                    }"
+    "                ]"
+    "            },"
+    "            {"
+    "                \"subnet\": \"10.0.0.0/24\","
+    "                \"id\": 100,"
+    "                \"pools\": ["
+    "                    {"
+    "                        \"pool\": \10.0.0.1 - 10.0.0.254\""
+    "                    }"
+    "                ]"
+    "            }"
+    "        ]"
+    "    }"
+    "],"
+    "\"subnet4\": ["
+    "    \"subnet\": \"192.0.2.64/26\","
+    "    \"id\": 1000,"
+    "    \"pools\": ["
+    "        {"
+    "            \"pool\": \"192.0.2.65 - 192.0.2.127\""
+    "        }"
+    "    ]"
+    "]"
+};
+
+/// @brief Test fixture class for DHCPv4 server using shared networks.
+class Dhcpv4SharedNetworkTest : public Dhcpv4SrvTest {
+public:
+
+    /// @brief Constructor.
+    Dhcpv4SharedNetworkTest()
+        : Dhcpv4SrvTest(),
+          iface_mgr_test_config_(true) {
+        IfaceMgr::instance().openSockets4();
+        StatsMgr::instance().removeAll();
+    }
+
+    /// @brief Destructor.
+    virtual ~Dhcpv4SharedNetworkTest() {
+        StatsMgr::instance().removeAll();
+    }
+
+    /// @brief Interface Manager's fake configuration control.
+    IfaceMgrTestConfig iface_mgr_test_config_;
+};
+
+// Selected subnet is out of shared network.
+TEST_F(Dhcpv4SharedNetworkTest, outOfSharedNetworkAllocation) {
+}
+
+// Shared network is selected based on giaddr value.
+TEST_F(Dhcpv4SharedNetworkTest, sharedNetworkSelectedByRelay) {
+}
+
+// Running out of addresses within a subnet in a shared network.
+TEST_F(Dhcpv4SharedNetworkTest, poolInSharedNetworkShortage) {
+}
+
+// Running out of addresses within entire shared network.
+TEST_F(Dhcpv4SharedNetworkTest, addressShortageInNetwork) {
+}
+
+// Providing a hint for any address belonging to a shared network.
+TEST_F(Dhcpv4SharedNetworkTest, hintWithinSharedNetwork) {
+}
+
+// Access to a subnet within shared network is restricted by client
+// classification.
+TEST_F(Dhcpv4SharedNetworkTest, subnetInSharedNetworkSelectedByClass) {
+}
+
+// IPv4 address reservation exists in one of the subnets within
+// shared network.
+TEST_F(Dhcpv4SharedNetworkTest, reservationInSharedNetwork) {
+}
+
+// Reserved address can't be assigned until access to a subnet is
+// restricted by classification.
+TEST_F(Dhcpv4SharedNetworkTest, reservationAccessRestrictedByClass) {
+}
+
+// Multiple subnets within a shared network contain reservations for
+// the same client.
+TEST_F(Dhcpv4SharedNetworkTest, reservationsInDifferentSubnets) {
+}
+
+// Some options are specified on the shared subnet level, some on the
+// subnets level.
+TEST_F(Dhcpv4SharedNetworkTest, optionsDerivation) {
+}
+
+// Host reservations include class specification.
+TEST_F(Dhcpv4SharedNetworkTest, classesInReservations) {
+}
+
+
+
+} // end of anonymous namespace