binding/mdsal-binding-dom-adapter/src/test/java/org/opendaylight/mdsal/binding/dom/adapter/DataListenerTest.java

   1 /*
   2  * Copyright (c) 2023 PANTHEON.tech, s.r.o. 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.mdsal.binding.dom.adapter;
   9
  10 import static org.junit.Assert.assertThrows;
  11 import static org.junit.Assert.assertTrue;
  12 import static org.mockito.Mockito.mock;
  13 import static org.mockito.Mockito.timeout;
  14 import static org.mockito.Mockito.verify;
  15
  16 import org.junit.Before;
  17 import org.junit.Test;
  18 import org.opendaylight.mdsal.binding.api.DataBroker;
  19 import org.opendaylight.mdsal.binding.api.DataChangeListener;
  20 import org.opendaylight.mdsal.binding.api.DataListener;
  21 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  22 import org.opendaylight.mdsal.binding.api.WriteTransaction;
  23 import org.opendaylight.mdsal.binding.dom.adapter.test.AbstractDataBrokerTest;
  24 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  25 import org.opendaylight.yang.gen.v1.mdsal813.norev.RegisterListenerTest;
  26 import org.opendaylight.yang.gen.v1.mdsal813.norev.RegisterListenerTestBuilder;
  27 import org.opendaylight.yang.gen.v1.mdsal813.norev.register.listener.test.Item;
  28 import org.opendaylight.yang.gen.v1.mdsal813.norev.register.listener.test.ItemBuilder;
  29 import org.opendaylight.yang.gen.v1.mdsal813.norev.register.listener.test.ItemKey;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.opendaylight.yangtools.yang.binding.util.BindingMap;
  32 import org.opendaylight.yangtools.yang.common.Uint32;
  33
  34 public class DataListenerTest extends AbstractDataBrokerTest {
  35     DataBroker dataBroker;
  36
  37     DataListener<Item> listener;
  38
  39     DataChangeListener<Item> changeListener;
  40
  41     @Before
  42     public void setUp() {
  43         dataBroker = getDataBroker();
  44         listener = mock(DataListener.class);
  45         changeListener = mock(DataChangeListener.class);
  46     }
  47
  48     @Test
  49     public void testThrowExceptionOnRegister() {
  50         final InstanceIdentifier<Item> instanceIdentifier = InstanceIdentifier.builder(RegisterListenerTest.class)
  51             .child(Item.class).build();
  52         final DataTreeIdentifier<Item> itemsDataTreeIdentifier = DataTreeIdentifier.of(LogicalDatastoreType.OPERATIONAL,
  53             instanceIdentifier);
  54
  55         final Throwable dataListenerException = assertThrows(IllegalArgumentException.class,
  56             () -> dataBroker.registerDataListener(itemsDataTreeIdentifier, listener));
  57         assertTrue(dataListenerException.getMessage().contains("Cannot register listener for wildcard"));
  58
  59         final Throwable dataListenerChangeException = assertThrows(IllegalArgumentException.class,
  60             () -> dataBroker.registerDataChangeListener(itemsDataTreeIdentifier, changeListener));
  61         assertTrue(dataListenerChangeException.getMessage().contains("Cannot register listener for wildcard"));
  62     }
  63
  64     @Test
  65     public void testRegisterDataListener() {
  66         final Item item = writeItems();
  67         final InstanceIdentifier<Item> instanceIdentifier = InstanceIdentifier.builder(RegisterListenerTest.class)
  68             .child(Item.class, new ItemKey(item.key())).build();
  69
  70         dataBroker.registerDataListener(
  71             DataTreeIdentifier.of(LogicalDatastoreType.CONFIGURATION, instanceIdentifier), listener);
  72
  73         verify(listener, timeout(100)).dataChangedTo(item);
  74     }
  75
  76     @Test
  77     public void testRegisterDataChangeListener() {
  78         final Item item = writeItems();
  79         final InstanceIdentifier<Item> instanceIdentifier = InstanceIdentifier.builder(RegisterListenerTest.class)
  80             .child(Item.class, new ItemKey(item.key())).build();
  81
  82         dataBroker.registerDataChangeListener(
  83             DataTreeIdentifier.of(LogicalDatastoreType.CONFIGURATION, instanceIdentifier), changeListener);
  84
  85         verify(changeListener, timeout(100)).dataChanged(null, item);
  86     }
  87
  88     private Item writeItems() {
  89         final WriteTransaction writeTransaction = getDataBroker().newWriteOnlyTransaction();
  90         final Item wildcardItem = new ItemBuilder().setText("name").setNumber(Uint32.valueOf(43)).build();
  91         final RegisterListenerTestBuilder builder = new RegisterListenerTestBuilder().setItem(
  92             BindingMap.of(wildcardItem));
  93         writeTransaction.put(LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.builder(
  94             RegisterListenerTest.class).build(), builder.build());
  95         assertCommit(writeTransaction.commit());
  96         return wildcardItem;
  97     }
  98 }