diff --git a/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingAddressJsonMatcher.java b/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingAddressJsonMatcher.java
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--- /dev/null
+++ b/apps/mappingmanagement/web/src/test/java/org/onosproject/mapping/web/codec/MappingAddressJsonMatcher.java
@@ -0,0 +1,164 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.mapping.web.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.hamcrest.Description;
+import org.hamcrest.TypeSafeDiagnosingMatcher;
+import org.onosproject.mapping.addresses.ASMappingAddress;
+import org.onosproject.mapping.addresses.DNMappingAddress;
+import org.onosproject.mapping.addresses.EthMappingAddress;
+import org.onosproject.mapping.addresses.IPMappingAddress;
+import org.onosproject.mapping.addresses.MappingAddress;
+
+/**
+ * Hamcrest matcher for mapping objects.
+ */
+public final class MappingAddressJsonMatcher extends
+                                            TypeSafeDiagnosingMatcher<JsonNode> {
+
+    private final MappingAddress address;
+    private Description description;
+    private JsonNode node;
+
+    /**
+     * Constructs a matcher object.
+     *
+     * @param address mapping address to match
+     */
+    private MappingAddressJsonMatcher(MappingAddress address) {
+        this.address = address;
+    }
+
+    /**
+     * Factory to allocate a mapping address matcher.
+     *
+     * @param address mapping address object we are looking for
+     * @return matcher
+     */
+    public static MappingAddressJsonMatcher matchesMappingAddress(MappingAddress address) {
+        return new MappingAddressJsonMatcher(address);
+    }
+
+    /**
+     * Matches an AS mapping address object,
+     *
+     * @param address mapping address to match
+     * @return true if the JSON matches the mapping address, false otherwise
+     */
+    private boolean matchMappingAddress(ASMappingAddress address) {
+        final String as = address.asNumber();
+        final String jsonAs = node.get(MappingAddressCodec.AS).textValue();
+        if (!as.equals(jsonAs)) {
+            description.appendText("AS was " + jsonAs);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Matches a Distinguished Name mapping address object.
+     *
+     * @param address mapping address to match
+     * @return true if the JSON matches the mapping address, false otherwise
+     */
+    private boolean matchMappingAddress(DNMappingAddress address) {
+        final String dn = address.name();
+        final String jsonDn = node.get(MappingAddressCodec.DN).textValue();
+        if (!dn.equals(jsonDn)) {
+            description.appendText("Distinguished Name was " + jsonDn);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Matches an IP mapping address object.
+     *
+     * @param address mapping address to match
+     * @return true if the JSON matches the mapping address, false otherwise
+     */
+    private boolean matchMappingAddress(IPMappingAddress address) {
+        final String ip = address.ip().toString();
+        String jsonIp = null;
+        if (address.type() == MappingAddress.Type.IPV4) {
+            jsonIp = node.get(MappingAddressCodec.IPV4).textValue();
+
+        } else if (address.type() == MappingAddress.Type.IPV6) {
+            jsonIp = node.get(MappingAddressCodec.IPV6).textValue();
+        }
+        if (!ip.equals(jsonIp)) {
+            description.appendText("IP was " + jsonIp);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Matches a MAC mapping address object.
+     *
+     * @param address mapping address to match
+     * @return true if the JSON matches the mapping address, false otherwise
+     */
+    private boolean matchMappingAddress(EthMappingAddress address) {
+        final String mac = address.mac().toString();
+        final String jsonMac = node.get(MappingAddressCodec.MAC).textValue();
+        if (!mac.equals(jsonMac)) {
+            description.appendText("MAC was " + jsonMac);
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    protected boolean matchesSafely(JsonNode jsonNode, Description description) {
+
+        this.description = description;
+        this.node = jsonNode;
+        final String type = address.type().name();
+        final String jsonType = jsonNode.get(MappingAddressCodec.TYPE).asText();
+        if (!type.equals(jsonType)) {
+            description.appendText("type was " + type);
+            return false;
+        }
+
+        switch (address.type()) {
+
+            case IPV4:
+            case IPV6:
+                return matchMappingAddress((IPMappingAddress) address);
+
+            case AS:
+                return matchMappingAddress((ASMappingAddress) address);
+
+            case DN:
+                return matchMappingAddress((DNMappingAddress) address);
+
+            case ETH:
+                return matchMappingAddress((EthMappingAddress) address);
+
+            default:
+                // Don't know how to format this type
+                description.appendText("unknown criterion type " + address.type());
+                return false;
+        }
+    }
+
+    @Override
+    public void describeTo(Description description) {
+        description.appendText(address.toString());
+    }
+}