Adding MP2SP Intent Codec Unit Test for REST API

Change-Id: I9f71329b895951ffedf182ade9fc4d60d84b9e91
diff --git a/core/common/src/main/java/org/onosproject/codec/impl/MultiPointToSinglePointIntentCodec.java b/core/common/src/main/java/org/onosproject/codec/impl/MultiPointToSinglePointIntentCodec.java
index 62d4da0..4216804 100644
--- a/core/common/src/main/java/org/onosproject/codec/impl/MultiPointToSinglePointIntentCodec.java
+++ b/core/common/src/main/java/org/onosproject/codec/impl/MultiPointToSinglePointIntentCodec.java
@@ -51,8 +51,9 @@
         final ObjectNode egress =
                 connectPointCodec.encode(intent.egressPoint(), context);
 
-        final ObjectNode objectCP = context.mapper().createObjectNode();
-        final ArrayNode jsonconnectPoints = objectCP.putArray(CP_POINTS);
+        // Check ingress are not null and not contain egress
+        ObjectNode objectCP = context.mapper().createObjectNode();
+        ArrayNode jsonconnectPoints = objectCP.putArray(CP_POINTS);
 
         if (intent.ingressPoints() != null) {
             for (final ConnectPoint cp : intent.ingressPoints()) {
@@ -61,40 +62,39 @@
             result.set(INGRESS_POINT, jsonconnectPoints);
         }
         result.set(EGRESS_POINT, egress);
-
         return result;
     }
 
     @Override
     public MultiPointToSinglePointIntent decode(ObjectNode json, CodecContext context) {
         MultiPointToSinglePointIntent.Builder builder = MultiPointToSinglePointIntent.builder();
-
         IntentCodec.intentAttributes(json, context, builder);
         ConnectivityIntentCodec.intentAttributes(json, context, builder);
 
-        ObjectNode egressJson = nullIsIllegal(get(json, EGRESS_POINT),
-                EGRESS_POINT + IntentCodec.MISSING_MEMBER_MESSAGE);
-        ConnectPoint egress = context.codec(ConnectPoint.class)
-                .decode(egressJson, context);
-        builder.egressPoint(egress);
+        ArrayNode ingressJson = nullIsIllegal((ArrayNode) json.get(INGRESS_POINT),
+                                              INGRESS_POINT + IntentCodec.MISSING_MEMBER_MESSAGE);
 
-        ObjectNode ingressJson = nullIsIllegal(get(json, INGRESS_POINT),
-                INGRESS_POINT + IntentCodec.MISSING_MEMBER_MESSAGE);
         if (ingressJson != null) {
             final JsonCodec<ConnectPoint> connectPointCodec =
                     context.codec(ConnectPoint.class);
-            JsonNode connectPointsJson = get(json, INGRESS_POINT).get(CP_POINTS);
+            JsonNode connectPointsJson = json.get(INGRESS_POINT);
 
             Set<ConnectPoint> ingressCp = new HashSet<ConnectPoint>();
             if (connectPointsJson != null) {
-                for (JsonNode cP : connectPointsJson) {
-                    ingressCp.add(connectPointCodec.decode((ObjectNode) cP,
-                            context));
+                for (int i = 0; i < connectPointsJson.size(); i++) {
+                    ingressCp.add(connectPointCodec.decode(get(connectPointsJson, i),
+                                                           context));
                 }
                 builder.ingressPoints(ingressCp);
             }
         }
 
+        ObjectNode egressJson = nullIsIllegal(get(json, EGRESS_POINT),
+                                              EGRESS_POINT + IntentCodec.MISSING_MEMBER_MESSAGE);
+        ConnectPoint egress = context.codec(ConnectPoint.class)
+                .decode(egressJson, context);
+        builder.egressPoint(egress);
+
         return builder.build();
     }
 }
diff --git a/core/common/src/test/java/org/onosproject/codec/impl/MultiPointToSinglePointIntentCodecTest.java b/core/common/src/test/java/org/onosproject/codec/impl/MultiPointToSinglePointIntentCodecTest.java
new file mode 100644
index 0000000..c24da42
--- /dev/null
+++ b/core/common/src/test/java/org/onosproject/codec/impl/MultiPointToSinglePointIntentCodecTest.java
@@ -0,0 +1,160 @@
+/*
+ * Copyright 2015-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.codec.impl;
+
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.JsonNodeFactory;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.TestApplicationId;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.intent.AbstractIntentTest;
+import org.onosproject.net.intent.IntentService;
+import org.onosproject.net.intent.IntentServiceAdapter;
+import org.onosproject.net.intent.Key;
+import org.onosproject.net.intent.MultiPointToSinglePointIntent;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+import static org.easymock.EasyMock.*;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.*;
+
+/**
+ * Suite of tests of the multi-to-single point intent's codec for rest api.
+ */
+
+public class MultiPointToSinglePointIntentCodecTest extends AbstractIntentTest {
+
+    public static final ApplicationId APPID = new TestApplicationId("foo");
+    public static final Key KEY = Key.of(1L, APPID);
+    public static final TrafficSelector MATCH = DefaultTrafficSelector.emptySelector();
+    public static final TrafficTreatment NOP = DefaultTrafficTreatment.emptyTreatment();
+    public static final ConnectPoint P1 = new ConnectPoint(DeviceId.deviceId("111"), PortNumber.portNumber(0x1));
+    public static final ConnectPoint P2 = new ConnectPoint(DeviceId.deviceId("222"), PortNumber.portNumber(0x2));
+    public static final ConnectPoint P3 = new ConnectPoint(DeviceId.deviceId("333"), PortNumber.portNumber(0x3));
+
+    public static final Set<ConnectPoint> PS1 = new HashSet<>(Arrays.asList(new ConnectPoint[]{P1, P3}));
+    public static final Set<ConnectPoint> PS2 = new HashSet<>(Arrays.asList(new ConnectPoint[]{P2, P3}));
+
+    private final MockCodecContext context = new MockCodecContext();
+    final CoreService mockCoreService = createMock(CoreService.class);
+
+    private static final String INGRESS_POINT = "ingressPoint";
+    private static final String EGRESS_POINT = "egressPoint";
+    private static final String CP_POINTS = "connectPoints";
+
+    @Before
+    public void setUpIntentService() {
+        final IntentService mockIntentService = new IntentServiceAdapter();
+        context.registerService(IntentService.class, mockIntentService);
+        context.registerService(CoreService.class, mockCoreService);
+        expect(mockCoreService.getAppId(APPID.name()))
+                .andReturn(APPID);
+        replay(mockCoreService);
+    }
+
+    /**
+     * Tests the encoding of a multi point to single point intent using Intent Codec.
+     */
+    @Test
+    public void encodeMultiPointToSinglePointIntent() {
+
+        final MultiPointToSinglePointIntent intent = MultiPointToSinglePointIntent.builder()
+                .appId(APPID)
+                .selector(MATCH)
+                .treatment(NOP)
+                .ingressPoints(PS1)
+                .egressPoint(P2)
+                .build();
+
+        assertThat(intent, notNullValue());
+        assertThat(intent, instanceOf(MultiPointToSinglePointIntent.class));
+
+        final JsonCodec<MultiPointToSinglePointIntent> intentCodec =
+                context.codec(MultiPointToSinglePointIntent.class);
+        assertThat(intentCodec, notNullValue());
+
+        final ObjectNode result = intentCodec.encode(intent, context);
+
+        assertThat(result.get("type").textValue(), is("MultiPointToSinglePointIntent"));
+        assertThat(result.get("id").textValue(), is("0x0"));
+        assertThat(result.get("appId").textValue(), is("foo"));
+        assertThat(result.get("priority").asInt(), is(100));
+        assertThat(result.get("ingressPoint").get(0).get("port").textValue(), is("3"));
+        assertThat(result.get("ingressPoint").get(1).get("port").textValue(), is("1"));
+        assertThat(result.get("egressPoint").get("port").textValue(), is("2"));
+        assertThat(result.get("egressPoint").get("device").textValue(), is("222"));
+    }
+
+    /**
+     * Tests the multi point to single point intent decoding with JSON codec.
+     *
+     * @throws IOException if JSON processing fails
+     */
+    @Test
+    public void decodeMultiPointToSinglePointIntent() throws IOException {
+
+        final JsonNodeFactory nodeFactory = JsonNodeFactory.instance;
+        ObjectNode json = nodeFactory.objectNode();
+        json.put("type", "MultiPointToSinglePointIntent");
+        json.put("id", "0x0");
+        json.put("appId", "foo");
+        json.put("priority", 100);
+        ArrayNode ingress = nodeFactory.arrayNode();
+        ObjectNode ingressPoint = nodeFactory.objectNode();
+        ingressPoint.put("port", "3");
+        ingressPoint.put("device", "333");
+        ingress.add(ingressPoint);
+        ObjectNode ingressPoint2 = nodeFactory.objectNode();
+        ingressPoint2.put("port", "1");
+        ingressPoint2.put("device", "111");
+        ingress.add(ingressPoint2);
+        json.set("ingressPoint", ingress);
+        ObjectNode egressPoint = nodeFactory.objectNode();
+        egressPoint.put("port", "2");
+        egressPoint.put("device", "222");
+        json.set("egressPoint", egressPoint);
+        assertThat(json, notNullValue());
+
+        JsonCodec<MultiPointToSinglePointIntent> intentCodec = context.codec(MultiPointToSinglePointIntent.class);
+        assertThat(intentCodec, notNullValue());
+
+        final MultiPointToSinglePointIntent intent = intentCodec.decode(json, context);
+
+        assertThat(intent.toString(), notNullValue());
+        assertThat(intent, instanceOf(MultiPointToSinglePointIntent.class));
+        assertThat(intent.priority(), is(100));
+        assertThat(intent.ingressPoints().toString(), is("[333/3, 111/1]"));
+        assertThat(intent.egressPoint().toString(), is("222/2"));
+
+    }
+
+}
diff --git a/core/common/src/test/resources/org/onosproject/codec/impl/MultiToSinglePointIntent.json b/core/common/src/test/resources/org/onosproject/codec/impl/MultiToSinglePointIntent.json
new file mode 100644
index 0000000..330722f
--- /dev/null
+++ b/core/common/src/test/resources/org/onosproject/codec/impl/MultiToSinglePointIntent.json
@@ -0,0 +1,34 @@
+{
+  "type": "MultiPointToSinglePointIntent",
+  "id" : "0x0",
+  "appId": "foo",
+  "resources": [],
+  "state": "INSTALLED",
+  "selector": {
+    "criteria": []
+  },
+  "treatment": {
+    "instructions": [
+      {
+        "type": "NOACTION"
+      }
+    ],
+    "deferred": []
+  },
+  "priority": 100,
+  "constraints": [],
+  "ingressPoint": [
+    {
+      "port": "3",
+      "device": "333"
+    },
+    {
+      "port": "1",
+      "device": "111"
+    }
+  ],
+  "egressPoint": {
+    "port": "2",
+    "device": "222"
+  }
+}
\ No newline at end of file
diff --git a/web/api/src/main/java/org/onosproject/rest/resources/IntentsWebResource.java b/web/api/src/main/java/org/onosproject/rest/resources/IntentsWebResource.java
index 7156ce1..463f822 100644
--- a/web/api/src/main/java/org/onosproject/rest/resources/IntentsWebResource.java
+++ b/web/api/src/main/java/org/onosproject/rest/resources/IntentsWebResource.java
@@ -77,6 +77,7 @@
             "SinglePointToMultiPointIntent";
     private static final String MULTI_TO_SINGLE_POINT_INTENT =
             "MultiPointToSinglePointIntent";
+
     private static final String INTENT = "Intent";
     private static final String APP_ID = "appId";
     private static final String ID = "id";
@@ -126,7 +127,7 @@
 
 
     /**
-     * Gets intent intallables by application ID and key.
+     * Gets intent installables by application ID and key.
      * @param appId application identifier
      * @param key   intent key
      *
@@ -354,7 +355,6 @@
                 latch.await(WITHDRAW_EVENT_TIMEOUT_SECONDS, TimeUnit.SECONDS);
             } catch (InterruptedException e) {
                 log.info("REST Delete operation timed out waiting for intent {}", k);
-                Thread.currentThread().interrupt();
             }
             // double check the state
             IntentState state = service.getIntentState(k);