renderers/faas/src/test/java/org/opendaylight/groupbasedpolicy/renderer/faas/FaasSubnetManagerListenerTest.java

   1 /*
   2  * Copyright (c) 2016 Huawei Technologies and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.groupbasedpolicy.renderer.faas;
   9
  10 import static org.junit.Assert.assertTrue;
  11 import static org.junit.Assert.fail;
  12 import static org.mockito.Mockito.mock;
  13 import static org.mockito.Mockito.when;
  14
  15 import java.util.HashMap;
  16 import java.util.HashSet;
  17 import java.util.Map;
  18 import java.util.Set;
  19 import java.util.concurrent.Executors;
  20 import java.util.concurrent.ScheduledExecutorService;
  21 import java.util.concurrent.TimeUnit;
  22
  23 import org.junit.Before;
  24 import org.junit.Test;
  25 import org.junit.runner.RunWith;
  26 import org.mockito.ArgumentCaptor;
  27 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  28 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  29 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  30 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  31 import org.opendaylight.faas.uln.datastore.api.UlnDatastoreApi;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.faas.logical.faas.common.rev151013.Uuid;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.faas.logical.faas.subnets.rev151013.subnets.container.subnets.Subnet;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.SubnetId;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.TenantId;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.forwarding.context.SubnetBuilder;
  37 import org.opendaylight.yangtools.yang.binding.DataObject;
  38 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  39 import org.powermock.api.mockito.PowerMockito;
  40 import org.powermock.core.classloader.annotations.PrepareForTest;
  41 import org.powermock.modules.junit4.PowerMockRunner;
  42
  43 import com.google.common.util.concurrent.CheckedFuture;
  44
  45 @PrepareForTest(UlnDatastoreApi.class)
  46 @RunWith(PowerMockRunner.class)
  47 public class FaasSubnetManagerListenerTest {
  48
  49     private InstanceIdentifier<DataObject> subnetId;
  50     private AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change;
  51     private MockFaasSubnetManagerListener subnetManagerListener;
  52     private final ScheduledExecutorService executor = Executors.newScheduledThreadPool(Runtime.getRuntime()
  53         .availableProcessors());
  54     private TenantId gbpTenantId = new TenantId("b4511aac-ae43-11e5-bf7f-feff819cdc9f");
  55     private Uuid faasTenantId = new Uuid("b4511aac-ae43-11e5-bf7f-feff819cdc9f");
  56
  57     @SuppressWarnings("unchecked")
  58     @Before
  59     public void init() {
  60         subnetId = mock(InstanceIdentifier.class);
  61         change = mock(AsyncDataChangeEvent.class);
  62         subnetId = mock(InstanceIdentifier.class);
  63         DataBroker dataProvider = mock(DataBroker.class);
  64         PowerMockito.mockStatic(UlnDatastoreApi.class);
  65         WriteTransaction writeTransaction = mock(WriteTransaction.class);
  66         when(dataProvider.newWriteOnlyTransaction()).thenReturn(writeTransaction);
  67         CheckedFuture<Void, TransactionCommitFailedException> checkedFuture = mock(CheckedFuture.class);
  68         when(writeTransaction.submit()).thenReturn(checkedFuture);
  69         subnetManagerListener = new MockFaasSubnetManagerListener(dataProvider, gbpTenantId, faasTenantId, executor);
  70
  71         Set<InstanceIdentifier<?>> removedPaths = new HashSet<>();
  72         removedPaths.add(subnetId);
  73         when(change.getRemovedPaths()).thenReturn(removedPaths);
  74     }
  75
  76     @Test
  77     public void testOnDataChangeSubnet() {
  78         // prepare input test data
  79         ArgumentCaptor<Subnet> captor = ArgumentCaptor.forClass(Subnet.class);
  80         try {
  81             PowerMockito.doNothing().when(UlnDatastoreApi.class, "submitSubnetToDs", captor.capture());
  82         } catch (Exception e) {
  83             fail("testOnDataChangeSubnet: Exception = " + e.toString());
  84         }
  85         Uuid expectedFaasSubnetId = new Uuid("c4511aac-ae43-11e5-bf7f-feff819cdc9f");
  86         subnetManagerListener.setExpectedFaasSubnetId(expectedFaasSubnetId);
  87         DataObject testSubnet = makeTestSubnet();
  88         subnetManagerListener.setExpectedGbpSubnet(testSubnet);
  89         Map<InstanceIdentifier<?>, DataObject> testData = new HashMap<>();
  90         testData.put(subnetId, testSubnet);
  91         when(change.getCreatedData()).thenReturn(testData);
  92         when(change.getOriginalData()).thenReturn(testData);
  93         when(change.getUpdatedData()).thenReturn(testData);
  94         // invoke event -- expected data is verified in mocked classes
  95         subnetManagerListener.onDataChanged(change);
  96
  97         // make sure internal threads have completed
  98         try {
  99             executor.shutdown();
 100             executor.awaitTermination(10, TimeUnit.SECONDS);
 101         } catch (InterruptedException e) {
 102             fail("testOnDataChangeSubnet: Exception = " + e.toString());
 103         }
 104         // Verify passed in values to fabric mapping engine
 105         assertTrue("testOnDataChangeSubnet: Actual Faas SubnetId is NOT as expected",
 106                 expectedFaasSubnetId.equals(captor.getValue().getUuid()));
 107     }
 108
 109     private DataObject makeTestSubnet() {
 110         SubnetBuilder builder = new SubnetBuilder();
 111         builder.setId(new SubnetId("b4511aac-ae43-11e5-bf7f-feff819cdc9f"));
 112         return builder.build();
 113     }
 114 }