diff --git a/core/net/src/test/java/org/onosproject/net/intent/impl/phase/CompilingTest.java b/core/net/src/test/java/org/onosproject/net/intent/impl/phase/CompilingTest.java
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+++ b/core/net/src/test/java/org/onosproject/net/intent/impl/phase/CompilingTest.java
@@ -0,0 +1,138 @@
+/*
+ * Copyright 2015 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.net.intent.impl.phase;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.TestApplicationId;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.IdGenerator;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DefaultLink;
+import org.onosproject.net.DefaultPath;
+import org.onosproject.net.Link;
+import org.onosproject.net.Path;
+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.Intent;
+import org.onosproject.net.intent.IntentData;
+import org.onosproject.net.intent.MockIdGenerator;
+import org.onosproject.net.intent.PathIntent;
+import org.onosproject.net.intent.PointToPointIntent;
+import org.onosproject.net.intent.impl.IntentCompilationException;
+import org.onosproject.net.intent.impl.IntentProcessor;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.store.Timestamp;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.verify;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+import static org.onosproject.net.DeviceId.deviceId;
+import static org.onosproject.net.Link.Type.DIRECT;
+import static org.onosproject.net.PortNumber.portNumber;
+import static org.onosproject.net.intent.IntentState.INSTALL_REQ;
+
+/**
+ * Unit tests for Compiling phase.
+ */
+public class CompilingTest {
+
+    private final ApplicationId appId = new TestApplicationId("test");
+    private final ProviderId pid = new ProviderId("of", "test");
+    private final TrafficSelector selector = DefaultTrafficSelector.builder().build();
+    private final TrafficTreatment treatment = DefaultTrafficTreatment.builder().build();
+    private final ConnectPoint cp1 = new ConnectPoint(deviceId("1"), portNumber(1));
+    private final ConnectPoint cp2 = new ConnectPoint(deviceId("1"), portNumber(2));
+    private final ConnectPoint cp3 = new ConnectPoint(deviceId("2"), portNumber(1));
+    private final ConnectPoint cp4 = new ConnectPoint(deviceId("2"), portNumber(2));
+
+    private final List<Link> links = Arrays.asList(new DefaultLink(pid, cp2, cp4, DIRECT));
+    private final Path path = new DefaultPath(pid, links, 10);
+
+    private PointToPointIntent input;
+    private PathIntent compiled;
+
+    private IdGenerator idGenerator;
+    private IntentProcessor processor;
+    private Timestamp version;
+
+    @Before
+    public void setUp() {
+        processor = createMock(IntentProcessor.class);
+        version = createMock(Timestamp.class);
+
+        idGenerator = new MockIdGenerator();
+
+        Intent.bindIdGenerator(idGenerator);
+
+        // Intent creation should be placed after binding an ID generator
+        input = new PointToPointIntent(appId, selector, treatment, cp1, cp3);
+        compiled = new PathIntent(appId, selector, treatment, path);
+    }
+
+
+    @After
+    public void tearDown() {
+        Intent.unbindIdGenerator(idGenerator);
+    }
+
+    /**
+     * Tests a next phase when no exception occurs.
+     */
+    @Test
+    public void testMoveToNextPhaseWithoutError() {
+        IntentData pending = new IntentData(input, INSTALL_REQ, version);
+
+        expect(processor.compile(input, null)).andReturn(Arrays.asList(compiled));
+        replay(processor);
+
+        Compiling sut = new Compiling(processor, pending, null);
+
+        Optional<IntentProcessPhase> output = sut.execute();
+
+        verify(processor);
+        assertThat(output.get(), is(instanceOf(InstallCoordinating.class)));
+    }
+
+    /**
+     * Tests a next phase when IntentCompilationException occurs.
+     */
+    @Test
+    public void testWhenIntentCompilationExceptionOccurs() {
+        IntentData pending = new IntentData(input, INSTALL_REQ, version);
+
+        expect(processor.compile(input, null)).andThrow(new IntentCompilationException());
+        replay(processor);
+
+        Compiling sut = new Compiling(processor, pending, null);
+
+        Optional<IntentProcessPhase> output = sut.execute();
+
+        verify(processor);
+        assertThat(output.get(), is(instanceOf(CompilingFailed.class)));
+    }
+}