diff --git a/api/src/test/java/org/onosproject/segmentrouting/config/BlockedPortsConfigTest.java b/api/src/test/java/org/onosproject/segmentrouting/config/BlockedPortsConfigTest.java
new file mode 100644
index 0000000..e457896
--- /dev/null
+++ b/api/src/test/java/org/onosproject/segmentrouting/config/BlockedPortsConfigTest.java
@@ -0,0 +1,239 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.segmentrouting.config;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.DefaultApplicationId;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.NoSuchElementException;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+/**
+ * Unit tests for {@link BlockedPortsConfig}.
+ */
+public class BlockedPortsConfigTest {
+
+    private static final ApplicationId APP_ID = new DefaultApplicationId(1, "foo");
+    private static final String KEY = "blocked";
+    private static final ObjectMapper MAPPER = new ObjectMapper();
+
+    private static final String DEV1 = "of:0000000000000001";
+    private static final String DEV2 = "of:0000000000000002";
+    private static final String DEV3 = "of:0000000000000003";
+    private static final String DEV4 = "of:0000000000000004";
+    private static final String RANGE_14 = "1-4";
+    private static final String RANGE_79 = "7-9";
+    private static final String P1 = "1";
+    private static final String P5 = "5";
+    private static final String P9 = "9";
+
+    private BlockedPortsConfig cfg;
+    private BlockedPortsConfig.Range range;
+
+    private void print(String s) {
+        System.out.println(s);
+    }
+
+    private void print(Object o) {
+        print(o.toString());
+    }
+
+    @Before
+    public void setUp() throws IOException {
+        InputStream blockedPortsJson = BlockedPortsConfigTest.class
+                .getResourceAsStream("/blocked-ports.json");
+        JsonNode node = MAPPER.readTree(blockedPortsJson);
+        cfg = new BlockedPortsConfig();
+        cfg.init(APP_ID, KEY, node, MAPPER, null);
+    }
+
+    @Test
+    public void basic() {
+        cfg = new BlockedPortsConfig();
+        print(cfg);
+
+        assertEquals("non-empty devices list", 0, cfg.deviceIds().size());
+        assertEquals("non-empty port-ranges list", 0, cfg.portRanges("non-exist").size());
+    }
+
+
+    @Test
+    public void overIteratePort() {
+        Iterator<Long> iterator = cfg.portIterator(DEV3);
+        while (iterator.hasNext()) {
+            print(iterator.next());
+        }
+
+        try {
+            print(iterator.next());
+            fail("NoSuchElement exception NOT thrown");
+        } catch (NoSuchElementException e) {
+            print("<good> " + e);
+        }
+    }
+
+    @Test
+    public void overIterateRange() {
+        range = new BlockedPortsConfig.Range("4-6");
+
+        Iterator<Long> iterator = range.iterator();
+        while (iterator.hasNext()) {
+            print(iterator.next());
+        }
+
+        try {
+            print(iterator.next());
+            fail("NoSuchElement exception NOT thrown");
+        } catch (NoSuchElementException e) {
+            print("<good> " + e);
+        }
+    }
+
+
+    @Test
+    public void simple() {
+        List<String> devIds = cfg.deviceIds();
+        print(devIds);
+        assertEquals("wrong dev id count", 3, devIds.size());
+        assertEquals("missing dev 1", true, devIds.contains(DEV1));
+        assertEquals("dev 2??", false, devIds.contains(DEV2));
+        assertEquals("missing dev 3", true, devIds.contains(DEV3));
+
+        List<String> d1ranges = cfg.portRanges(DEV1);
+        print(d1ranges);
+        assertEquals("wrong d1 range count", 2, d1ranges.size());
+        assertEquals("missing 1-4", true, d1ranges.contains(RANGE_14));
+        assertEquals("missing 7-9", true, d1ranges.contains(RANGE_79));
+
+        List<String> d2ranges = cfg.portRanges(DEV2);
+        print(d2ranges);
+        assertEquals("wrong d2 range count", 0, d2ranges.size());
+
+        List<String> d3ranges = cfg.portRanges(DEV3);
+        print(d3ranges);
+        assertEquals("wrong d3 range count", 1, d3ranges.size());
+        assertEquals("range 1-4?", false, d3ranges.contains(RANGE_14));
+        assertEquals("missing 7-9", true, d3ranges.contains(RANGE_79));
+    }
+
+
+    private void verifyPorts(List<Long> ports, long... exp) {
+        assertEquals("Wrong port count", exp.length, ports.size());
+        for (long e : exp) {
+            assertEquals("missing port", true, ports.contains(e));
+        }
+    }
+
+    private void verifyPortIterator(String devid, long... exp) {
+        List<Long> ports = new ArrayList<>();
+        Iterator<Long> iter = cfg.portIterator(devid);
+        iter.forEachRemaining(ports::add);
+        print(ports);
+        verifyPorts(ports, exp);
+    }
+
+    @Test
+    public void rangeIterators() {
+        verifyPortIterator(DEV1, 1, 2, 3, 4, 7, 8, 9);
+        verifyPortIterator(DEV2);
+        verifyPortIterator(DEV3, 7, 8, 9);
+    }
+
+    @Test
+    public void singlePorts() {
+        List<String> devIds = cfg.deviceIds();
+        print(devIds);
+        assertEquals("wrong dev id count", 3, devIds.size());
+        assertEquals("missing dev 4", true, devIds.contains(DEV4));
+
+        List<String> d1ranges = cfg.portRanges(DEV4);
+        print(d1ranges);
+        assertEquals("wrong d4 range count", 3, d1ranges.size());
+        assertEquals("missing 1", true, d1ranges.contains(P1));
+        assertEquals("missing 5", true, d1ranges.contains(P5));
+        assertEquals("missing 9", true, d1ranges.contains(P9));
+
+        verifyPortIterator(DEV4, 1, 5, 9);
+    }
+
+
+    // test Range inner class
+
+    @Test
+    public void rangeBadFormat() {
+        try {
+            range = new BlockedPortsConfig.Range("not-a-range-format");
+            fail("no exception thrown");
+        } catch (IllegalArgumentException iar) {
+            print(iar);
+            assertEquals("wrong msg", "Bad Range Format not-a-range-format", iar.getMessage());
+        }
+    }
+
+    @Test
+    public void rangeBadHi() {
+        try {
+            range = new BlockedPortsConfig.Range("2-nine");
+            fail("no exception thrown");
+        } catch (IllegalArgumentException iar) {
+            print(iar);
+            assertEquals("wrong msg", "Bad Range Format 2-nine", iar.getMessage());
+        }
+    }
+
+    @Test
+    public void rangeHiLessThanLo() {
+        try {
+            range = new BlockedPortsConfig.Range("9-5");
+            fail("no exception thrown");
+        } catch (IllegalArgumentException iar) {
+            print(iar);
+            assertEquals("wrong msg", "Bad Range Format 9-5", iar.getMessage());
+        }
+    }
+
+    @Test
+    public void rangeNegative() {
+        try {
+            range = new BlockedPortsConfig.Range("-2-4");
+            fail("no exception thrown");
+        } catch (IllegalArgumentException iar) {
+            print(iar);
+            assertEquals("wrong msg", "Bad Range Format -2-4", iar.getMessage());
+        }
+    }
+
+    @Test
+    public void rangeGood() {
+        range = new BlockedPortsConfig.Range("100-104");
+        List<Long> values = new ArrayList<>();
+        range.iterator().forEachRemaining(values::add);
+        print(values);
+        verifyPorts(values, 100, 101, 102, 103, 104);
+    }
+}
diff --git a/api/src/test/java/org/onosproject/segmentrouting/config/SegmentRoutingAppConfigTest.java b/api/src/test/java/org/onosproject/segmentrouting/config/SegmentRoutingAppConfigTest.java
new file mode 100644
index 0000000..fa667c0
--- /dev/null
+++ b/api/src/test/java/org/onosproject/segmentrouting/config/SegmentRoutingAppConfigTest.java
@@ -0,0 +1,302 @@
+/*
+ * Copyright 2016-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.segmentrouting.config;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.collect.ImmutableSet;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MacAddress;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.TestApplicationId;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.config.Config;
+import org.onosproject.net.config.ConfigApplyDelegate;
+
+import java.io.InputStream;
+import java.util.Set;
+
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.*;
+
+/**
+ * Tests for class {@link SegmentRoutingAppConfig}.
+ */
+public class SegmentRoutingAppConfigTest {
+    private SegmentRoutingAppConfig config;
+    private SegmentRoutingAppConfig invalidConfig;
+    private SegmentRoutingAppConfig mplsEcmpConfig;
+
+    private static final String APP_NAME = "org.onosproject.segmentrouting";
+    private static final MacAddress ROUTER_MAC_1 = MacAddress.valueOf("00:00:00:00:00:01");
+    private static final MacAddress ROUTER_MAC_2 = MacAddress.valueOf("00:00:00:00:00:02");
+    private static final MacAddress ROUTER_MAC_3 = MacAddress.valueOf("00:00:00:00:00:03");
+    private static final ConnectPoint PORT_1 = ConnectPoint.deviceConnectPoint("of:1/1");
+    private static final ConnectPoint PORT_2 = ConnectPoint.deviceConnectPoint("of:1/2");
+    private static final ConnectPoint PORT_3 = ConnectPoint.deviceConnectPoint("of:1/3");
+    private static final DeviceId VROUTER_ID_1 = DeviceId.deviceId("of:1");
+    private static final DeviceId VROUTER_ID_2 = DeviceId.deviceId("of:2");
+    private static final String PROVIDER_1 = "org.onosproject.provider.host";
+    private static final String PROVIDER_2 = "org.onosproject.netcfghost";
+    private static final String PROVIDER_3 = "org.onosproject.anotherprovider";
+    private static final IpPrefix BLACKHOLE_IP = IpPrefix.valueOf("10.0.0.0/8");
+    private static final IpPrefix BLACKHOLE_IP_2 = IpPrefix.valueOf("20.0.0.0/8");
+
+    /**
+     * Initialize test related variables.
+     *
+     * @throws Exception
+     */
+    @Before
+    public void setUp() throws Exception {
+        InputStream jsonStream = SegmentRoutingAppConfigTest.class
+                .getResourceAsStream("/app.json");
+        InputStream invalidJsonStream = SegmentRoutingAppConfigTest.class
+                .getResourceAsStream("/app-invalid.json");
+        InputStream mplsEcmpJsonStream = SegmentRoutingAppConfigTest.class
+                .getResourceAsStream("/app-ecmp.json");
+
+        String key = APP_NAME;
+        ApplicationId subject = new TestApplicationId(key);
+        ObjectMapper mapper = new ObjectMapper();
+        JsonNode jsonNode = mapper.readTree(jsonStream);
+        JsonNode invalidJsonNode = mapper.readTree(invalidJsonStream);
+        JsonNode mplsEcmpJsonNode = mapper.readTree(mplsEcmpJsonStream);
+        ConfigApplyDelegate delegate = new MockDelegate();
+
+        config = new SegmentRoutingAppConfig();
+        config.init(subject, key, jsonNode, mapper, delegate);
+        invalidConfig = new SegmentRoutingAppConfig();
+        invalidConfig.init(subject, key, invalidJsonNode, mapper, delegate);
+        mplsEcmpConfig = new SegmentRoutingAppConfig();
+        mplsEcmpConfig.init(subject, key, mplsEcmpJsonNode, mapper, delegate);
+    }
+
+    /**
+     * Tests config validity.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void testIsValid() throws Exception {
+        assertTrue(config.isValid());
+        assertFalse(invalidConfig.isValid());
+        assertTrue(mplsEcmpConfig.isValid());
+    }
+
+    /**
+     * Test MPLS-ECMP default getter. By-default
+     * MPLS-ECMPS is false.
+     */
+    @Test
+    public void testDefaultMplsEcmp() {
+        boolean mplsEcmp = config.mplsEcmp();
+        assertThat(mplsEcmp, is(false));
+    }
+
+    /**
+     * Test MPLS-ECMP getter.
+     */
+    @Test
+    public void testMplsEcmp() {
+        boolean mplsEcmp = mplsEcmpConfig.mplsEcmp();
+        assertThat(mplsEcmp, is(true));
+    }
+
+    /**
+     * Test MPLS-ECMP setter.
+     */
+    @Test
+    public void testSetMplsEcmp() {
+        /*
+         * In the config the value is not set.
+         */
+        boolean mplsEcmp = config.mplsEcmp();
+        assertThat(mplsEcmp, is(false));
+        config.setMplsEcmp(true);
+        mplsEcmp = config.mplsEcmp();
+        assertThat(mplsEcmp, is(true));
+        /*
+         * In the mplsEcmpConfig the value is true,
+         */
+        mplsEcmp = mplsEcmpConfig.mplsEcmp();
+        assertThat(mplsEcmp, is(true));
+        config.setMplsEcmp(false);
+        mplsEcmp = config.mplsEcmp();
+        assertThat(mplsEcmp, is(false));
+    }
+
+    /**
+     * Tests vRouterMacs getter.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void testVRouterMacs() throws Exception {
+        Set<MacAddress> vRouterMacs = config.vRouterMacs();
+        assertNotNull("vRouterMacs should not be null", vRouterMacs);
+        assertThat(vRouterMacs.size(), is(2));
+        assertTrue(vRouterMacs.contains(ROUTER_MAC_1));
+        assertTrue(vRouterMacs.contains(ROUTER_MAC_2));
+    }
+
+    /**
+     * Tests vRouterMacs setter.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void testSetVRouterMacs() throws Exception {
+        ImmutableSet.Builder<MacAddress> builder = ImmutableSet.builder();
+        builder.add(ROUTER_MAC_3);
+        config.setVRouterMacs(builder.build());
+
+        Set<MacAddress> vRouterMacs = config.vRouterMacs();
+        assertThat(vRouterMacs.size(), is(1));
+        assertTrue(vRouterMacs.contains(ROUTER_MAC_3));
+    }
+
+    /**
+     * Tests suppressSubnet getter.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void testSuppressSubnet() throws Exception {
+        Set<ConnectPoint> suppressSubnet = config.suppressSubnet();
+        assertNotNull("suppressSubnet should not be null", suppressSubnet);
+        assertThat(suppressSubnet.size(), is(2));
+        assertTrue(suppressSubnet.contains(PORT_1));
+        assertTrue(suppressSubnet.contains(PORT_2));
+    }
+
+    /**
+     * Tests suppressSubnet setter.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void testSetSuppressSubnet() throws Exception {
+        ImmutableSet.Builder<ConnectPoint> builder = ImmutableSet.builder();
+        builder.add(PORT_3);
+        config.setSuppressSubnet(builder.build());
+
+        Set<ConnectPoint> suppressSubnet = config.suppressSubnet();
+        assertNotNull("suppressSubnet should not be null", suppressSubnet);
+        assertThat(suppressSubnet.size(), is(1));
+        assertTrue(suppressSubnet.contains(PORT_3));
+    }
+
+    /**
+     * Tests suppressHostByPort getter.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void testSuppressHostByPort() throws Exception {
+        Set<ConnectPoint> suppressHostByPort = config.suppressHostByPort();
+        assertNotNull("suppressHostByPort should not be null", suppressHostByPort);
+        assertThat(suppressHostByPort.size(), is(2));
+        assertTrue(suppressHostByPort.contains(PORT_1));
+        assertTrue(suppressHostByPort.contains(PORT_2));
+    }
+
+    /**
+     * Tests suppressHostByPort setter.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void testSetSuppressHostByPort() throws Exception {
+        ImmutableSet.Builder<ConnectPoint> builder = ImmutableSet.builder();
+        builder.add(PORT_3);
+        config.setSuppressHostByPort(builder.build());
+
+        Set<ConnectPoint> suppressHostByPort = config.suppressHostByPort();
+        assertNotNull("suppressHostByPort should not be null", suppressHostByPort);
+        assertThat(suppressHostByPort.size(), is(1));
+        assertTrue(suppressHostByPort.contains(PORT_3));
+    }
+
+    /**
+     * Tests suppressHostByProvider getter.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void testSuppressHostByProvider() throws Exception {
+        Set<String> supprsuppressHostByProvider = config.suppressHostByProvider();
+        assertNotNull("suppressHostByProvider should not be null", supprsuppressHostByProvider);
+        assertThat(supprsuppressHostByProvider.size(), is(2));
+        assertTrue(supprsuppressHostByProvider.contains(PROVIDER_1));
+        assertTrue(supprsuppressHostByProvider.contains(PROVIDER_2));
+    }
+
+    /**
+     * Tests suppressHostByProvider setter.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void testSetHostLearning() throws Exception {
+        ImmutableSet.Builder<String> builder = ImmutableSet.builder();
+        builder.add(PROVIDER_3);
+        config.setSuppressHostByProvider(builder.build());
+
+        Set<String> supprsuppressHostByProvider = config.suppressHostByProvider();
+        assertNotNull("suppressHostByProvider should not be null", supprsuppressHostByProvider);
+        assertThat(supprsuppressHostByProvider.size(), is(1));
+        assertTrue(supprsuppressHostByProvider.contains(PROVIDER_3));
+    }
+
+    /**
+     * Tests BlackHoleIps getter.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void testBlackHoleIps() throws Exception {
+        Set<IpPrefix> blackHoleIps = config.blackholeIPs();
+        assertNotNull("BlackHoleIps should not be null", blackHoleIps);
+        assertThat(blackHoleIps.size(), is(1));
+        assertTrue(blackHoleIps.contains(BLACKHOLE_IP));
+    }
+
+    /**
+     * Tests BlackHoleIps setter.
+     *
+     * @throws Exception
+     */
+    @Test
+    public void testSetBlackHoleIps() throws Exception {
+
+        config.setBalckholeIps(ImmutableSet.of(BLACKHOLE_IP_2));
+
+        Set<IpPrefix> blackHoleIps = config.blackholeIPs();
+        assertThat(blackHoleIps.size(), is(1));
+        assertTrue(blackHoleIps.contains(BLACKHOLE_IP_2));
+    }
+
+    private class MockDelegate implements ConfigApplyDelegate {
+        @Override
+        public void onApply(Config config) {
+        }
+    }
+}
diff --git a/api/src/test/java/org/onosproject/segmentrouting/config/SegmentRoutingDeviceConfigTest.java b/api/src/test/java/org/onosproject/segmentrouting/config/SegmentRoutingDeviceConfigTest.java
new file mode 100644
index 0000000..ddf90bb
--- /dev/null
+++ b/api/src/test/java/org/onosproject/segmentrouting/config/SegmentRoutingDeviceConfigTest.java
@@ -0,0 +1,222 @@
+/*
+ * Copyright 2016-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.segmentrouting.config;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.MacAddress;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.config.Config;
+import org.onosproject.net.config.ConfigApplyDelegate;
+
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Tests for class {@link SegmentRoutingDeviceConfig}.
+ */
+public class SegmentRoutingDeviceConfigTest {
+    private SegmentRoutingDeviceConfig config;
+    private SegmentRoutingDeviceConfig ipv6Config;
+    private SegmentRoutingDeviceConfig pairConfig;
+    private SegmentRoutingDeviceConfig invalidConfig;
+    private Map<Integer, Set<Integer>> adjacencySids1;
+    private Map<Integer, Set<Integer>> adjacencySids2;
+    private static final DeviceId PAIR_DEVICE_ID = DeviceId.deviceId("of:123456789ABCDEF0");
+    private static final PortNumber PAIR_LOCAL_PORT = PortNumber.portNumber(10);
+
+    @Before
+    public void setUp() throws Exception {
+        InputStream jsonStream = SegmentRoutingDeviceConfigTest.class
+                .getResourceAsStream("/device.json");
+        InputStream ipv6JsonStream = SegmentRoutingDeviceConfigTest.class
+                .getResourceAsStream("/device-ipv6.json");
+        InputStream pairJsonStream = SegmentRoutingDeviceConfigTest.class
+                .getResourceAsStream("/device-pair.json");
+        InputStream invalidJsonStream = SegmentRoutingDeviceConfigTest.class
+                .getResourceAsStream("/device-invalid.json");
+
+        adjacencySids1 = new HashMap<>();
+        Set<Integer> ports1 = new HashSet<>();
+        ports1.add(2);
+        ports1.add(3);
+        adjacencySids1.put(100, ports1);
+        Set<Integer> ports2 = new HashSet<>();
+        ports2.add(4);
+        ports2.add(5);
+        adjacencySids1.put(200, ports2);
+
+        adjacencySids2 = new HashMap<>();
+        Set<Integer> ports3 = new HashSet<>();
+        ports3.add(6);
+        adjacencySids2.put(300, ports3);
+
+        DeviceId subject = DeviceId.deviceId("of:0000000000000001");
+        String key = "segmentrouting";
+        ObjectMapper mapper = new ObjectMapper();
+        JsonNode jsonNode = mapper.readTree(jsonStream);
+        JsonNode ipv6JsonNode = mapper.readTree(ipv6JsonStream);
+        JsonNode pairJsonNode = mapper.readTree(pairJsonStream);
+        JsonNode invalidJsonNode = mapper.readTree(invalidJsonStream);
+        ConfigApplyDelegate delegate = new MockDelegate();
+
+        config = new SegmentRoutingDeviceConfig();
+        config.init(subject, key, jsonNode, mapper, delegate);
+
+        ipv6Config = new SegmentRoutingDeviceConfig();
+        ipv6Config.init(subject, key, ipv6JsonNode, mapper, delegate);
+
+        pairConfig = new SegmentRoutingDeviceConfig();
+        pairConfig.init(subject, key, pairJsonNode, mapper, delegate);
+
+        invalidConfig = new SegmentRoutingDeviceConfig();
+        invalidConfig.init(subject, key, invalidJsonNode, mapper, delegate);
+    }
+
+    @Test
+    public void testIsValid() {
+        assertTrue(config.isValid());
+        assertTrue(ipv6Config.isValid());
+        assertTrue(pairConfig.isValid());
+        assertFalse(invalidConfig.isValid());
+    }
+
+    @Test
+    public void testName() throws Exception {
+        assertTrue(config.name().isPresent());
+        assertThat(config.name().get(), is("Leaf-R1"));
+    }
+
+    @Test
+    public void testSetName() throws Exception {
+        config.setName("Spine-R1");
+        assertTrue(config.name().isPresent());
+        assertThat(config.name().get(), is("Spine-R1"));
+    }
+
+    @Test
+    public void testRouterIp() throws Exception {
+        assertThat(config.routerIpv4(), is(IpAddress.valueOf("10.0.1.254")));
+        assertThat(ipv6Config.routerIpv4(), is(IpAddress.valueOf("10.0.1.254")));
+        assertThat(ipv6Config.routerIpv6(), is(IpAddress.valueOf("2000::c0a8:0101")));
+    }
+
+    @Test
+    public void testSetRouterIp() throws Exception {
+        config.setRouterIpv4("10.0.2.254");
+        assertThat(config.routerIpv4(), is(IpAddress.valueOf("10.0.2.254")));
+        ipv6Config.setRouterIpv4("10.0.2.254");
+        assertThat(ipv6Config.routerIpv4(), is(IpAddress.valueOf("10.0.2.254")));
+        ipv6Config.setRouterIpv6("2000::c0a9:0101");
+        assertThat(ipv6Config.routerIpv6(), is(IpAddress.valueOf("2000::c0a9:0101")));
+    }
+
+    @Test
+    public void testRouterMac() throws Exception {
+        assertThat(config.routerMac(), is(MacAddress.valueOf("00:00:00:00:01:80")));
+    }
+
+    @Test
+    public void testSetRouterMac() throws Exception {
+        config.setRouterMac("00:00:00:00:02:80");
+        assertThat(config.routerMac(), is(MacAddress.valueOf("00:00:00:00:02:80")));
+    }
+
+    @Test
+    public void testNodeSid() throws Exception {
+        assertThat(config.nodeSidIPv4(), is(101));
+        assertThat(ipv6Config.nodeSidIPv4(), is(101));
+        assertThat(ipv6Config.nodeSidIPv6(), is(111));
+    }
+
+    @Test
+    public void testSetNodeSid() throws Exception {
+        config.setNodeSidIPv4(200);
+        assertThat(config.nodeSidIPv4(), is(200));
+        ipv6Config.setNodeSidIPv4(200);
+        assertThat(ipv6Config.nodeSidIPv4(), is(200));
+        ipv6Config.setNodeSidIPv6(201);
+        assertThat(ipv6Config.nodeSidIPv6(), is(201));
+    }
+
+    @Test
+    public void testIsEdgeRouter() throws Exception {
+        assertThat(config.isEdgeRouter(), is(true));
+    }
+
+    @Test
+    public void testSetIsEdgeRouter() throws Exception {
+        config.setIsEdgeRouter(false);
+        assertThat(config.isEdgeRouter(), is(false));
+    }
+
+    @Test
+    public void testAdjacencySids() throws Exception {
+        assertThat(config.adjacencySids(), is(adjacencySids1));
+    }
+
+    @Test
+    public void testSetAdjacencySids() throws Exception {
+        config.setAdjacencySids(adjacencySids2);
+        assertThat(config.adjacencySids(), is(adjacencySids2));
+    }
+
+    @Test
+    public void testPairDeviceId() throws Exception {
+        assertNull(config.pairDeviceId());
+        assertNull(ipv6Config.pairDeviceId());
+        assertThat(pairConfig.pairDeviceId(), is(PAIR_DEVICE_ID));
+    }
+
+    @Test
+    public void testSetPairDeviceId() throws Exception {
+        config.setPairDeviceId(PAIR_DEVICE_ID);
+        assertThat(config.pairDeviceId(), is(PAIR_DEVICE_ID));
+    }
+
+    @Test
+    public void testPairLocalPort() throws Exception {
+        assertNull(config.pairLocalPort());
+        assertNull(ipv6Config.pairLocalPort());
+        assertThat(pairConfig.pairLocalPort(), is(PAIR_LOCAL_PORT));
+    }
+
+    @Test
+    public void testSetPairLocalPort() throws Exception {
+        config.setPairLocalPort(PAIR_LOCAL_PORT);
+        assertThat(config.pairLocalPort(), is(PAIR_LOCAL_PORT));
+    }
+
+    private class MockDelegate implements ConfigApplyDelegate {
+        @Override
+        public void onApply(Config configFile) {
+        }
+    }
+}