Move IntentCompilers to the dedicated package

Change-Id: I9ec09e5e5fce45acfc6417dd640f57fd659f7f1f
diff --git a/core/net/src/test/java/org/onosproject/net/intent/impl/installer/PathConstraintCalculationTest.java b/core/net/src/test/java/org/onosproject/net/intent/impl/installer/PathConstraintCalculationTest.java
new file mode 100644
index 0000000..0ae5903
--- /dev/null
+++ b/core/net/src/test/java/org/onosproject/net/intent/impl/installer/PathConstraintCalculationTest.java
@@ -0,0 +1,192 @@
+/*
+ * Copyright 2014 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.installer;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DefaultLink;
+import org.onosproject.net.DefaultPath;
+import org.onosproject.net.Link;
+import org.onosproject.net.flow.FlowRuleOperation;
+import org.onosproject.net.intent.AbstractIntentTest;
+import org.onosproject.net.intent.Constraint;
+import org.onosproject.net.intent.IntentTestsMocks;
+import org.onosproject.net.intent.PathIntent;
+import org.onosproject.net.intent.constraint.BandwidthConstraint;
+import org.onosproject.net.intent.constraint.LambdaConstraint;
+import org.onosproject.net.resource.Bandwidth;
+import org.onosproject.net.resource.Lambda;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.hasSize;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.junit.Assert.fail;
+import static org.onosproject.net.DefaultEdgeLink.createEdgeLink;
+import static org.onosproject.net.Link.Type.DIRECT;
+import static org.onosproject.net.NetTestTools.APP_ID;
+import static org.onosproject.net.NetTestTools.PID;
+import static org.onosproject.net.NetTestTools.connectPoint;
+import static org.onosproject.net.intent.IntentTestsMocks.MockResourceService.makeBandwidthResourceService;
+import static org.onosproject.net.intent.IntentTestsMocks.MockResourceService.makeLambdaResourceService;
+
+/**
+ * Unit tests for calculating paths for intents with constraints.
+ */
+
+public class PathConstraintCalculationTest extends AbstractIntentTest {
+
+    private final IntentTestsMocks.MockSelector selector = new IntentTestsMocks.MockSelector();
+    private final IntentTestsMocks.MockTreatment treatment = new IntentTestsMocks.MockTreatment();
+    private final ConnectPoint d1p1 = connectPoint("s1", 0);
+    private final ConnectPoint d2p0 = connectPoint("s2", 0);
+    private final ConnectPoint d2p1 = connectPoint("s2", 1);
+    private final ConnectPoint d3p1 = connectPoint("s3", 1);
+    private final ConnectPoint d3p0 = connectPoint("s3", 10);
+    private final ConnectPoint d1p0 = connectPoint("s1", 10);
+
+    private PathIntentInstaller sut;
+
+    @Before
+    public void setUpIntentInstaller() {
+        sut = new PathIntentInstaller();
+        sut.appId = APP_ID;
+    }
+
+    private PathIntent createPathIntent(List<Link> links, List<Constraint> constraints) {
+        int hops = links.size() - 1;
+        return new PathIntent(APP_ID, selector, treatment,
+                              new DefaultPath(PID, links, hops), constraints);
+    }
+
+    /**
+     * Tests that installation of bandwidth constrained path intents are
+     * successful.
+     */
+    @Test
+    public void testInstallBandwidthConstrainedIntentSuccess() {
+
+        final Constraint constraint = new BandwidthConstraint(Bandwidth.bps(100.0));
+
+        List<Link> links = Arrays.asList(
+                createEdgeLink(d1p0, true),
+                new DefaultLink(PID, d1p1, d2p0, DIRECT),
+                new DefaultLink(PID, d2p1, d3p1, DIRECT),
+                createEdgeLink(d3p0, false)
+        );
+        PathIntent installable = createPathIntent(links, Arrays.asList(constraint));
+
+        sut.resourceService = makeBandwidthResourceService(1000.0);
+
+        final List<Collection<FlowRuleOperation>> flowOperations = sut.install(installable);
+
+        assertThat(flowOperations, notNullValue());
+        assertThat(flowOperations, hasSize(1));
+    }
+
+    /**
+     * Tests that installation of bandwidth constrained path intents fail
+     * if there are no available resources.
+     */
+    @Test
+    public void testInstallBandwidthConstrainedIntentFailure() {
+
+        final Constraint constraint = new BandwidthConstraint(Bandwidth.bps(100.0));
+
+        List<Link> links = Arrays.asList(
+                createEdgeLink(d1p0, true),
+                new DefaultLink(PID, d1p1, d2p0, DIRECT),
+                new DefaultLink(PID, d2p1, d3p1, DIRECT),
+                createEdgeLink(d3p0, false)
+        );
+        PathIntent installable = createPathIntent(links, Arrays.asList(constraint));
+
+        // Make it look like the available bandwidth was consumed
+        final IntentTestsMocks.MockResourceService resourceService = makeBandwidthResourceService(1000.0);
+        resourceService.setAvailableBandwidth(1.0);
+        sut.resourceService = resourceService;
+
+        try {
+            sut.install(installable);
+            fail("Bandwidth request with no available bandwidth did not fail.");
+        } catch (IntentTestsMocks.MockedAllocationFailure failure) {
+            assertThat(failure,
+                       instanceOf(IntentTestsMocks.MockedAllocationFailure.class));
+        }
+    }
+
+    /**
+     * Tests that installation of lambda constrained path intents are
+     * successful.
+     */
+    @Test
+    public void testInstallLambdaConstrainedIntentSuccess() {
+
+        final Constraint constraint = new LambdaConstraint(Lambda.valueOf(1));
+
+        List<Link> links = Arrays.asList(
+                createEdgeLink(d1p0, true),
+                new DefaultLink(PID, d1p1, d2p0, DIRECT),
+                new DefaultLink(PID, d2p1, d3p1, DIRECT),
+                createEdgeLink(d3p0, false)
+        );
+        PathIntent installable = createPathIntent(links, Arrays.asList(constraint));
+
+        sut.resourceService = makeLambdaResourceService(1);
+
+        final List<Collection<FlowRuleOperation>> flowOperations = sut.install(installable);
+
+        assertThat(flowOperations, notNullValue());
+        assertThat(flowOperations, hasSize(1));
+    }
+
+    /**
+     * Tests that installation of lambda constrained path intents fail
+     * if there are no available resources.
+     */
+    @Test
+    public void testInstallLambdaConstrainedIntentFailure() {
+
+        final Constraint constraint = new LambdaConstraint(Lambda.valueOf(1));
+
+        List<Link> links = Arrays.asList(
+                createEdgeLink(d1p0, true),
+                new DefaultLink(PID, d1p1, d2p0, DIRECT),
+                new DefaultLink(PID, d2p1, d3p1, DIRECT),
+                createEdgeLink(d3p0, false)
+        );
+        PathIntent installable = createPathIntent(links, Arrays.asList(constraint));
+
+        // Make it look like the available lambda was consumed
+        final IntentTestsMocks.MockResourceService resourceService = makeLambdaResourceService(1);
+        resourceService.setAvailableLambda(0);
+        sut.resourceService = resourceService;
+
+        try {
+            sut.install(installable);
+            fail("Lambda request with no available lambda did not fail.");
+        } catch (IntentTestsMocks.MockedAllocationFailure failure) {
+            assertThat(failure,
+                       instanceOf(IntentTestsMocks.MockedAllocationFailure.class));
+        }
+    }
+
+}