binding/yang-binding/src/test/java/org/opendaylight/yangtools/yang/binding/util/DataObjectReadingUtilTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. 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.yangtools.yang.binding.util;
   9
  10 import static org.junit.Assert.assertFalse;
  11 import static org.junit.Assert.assertTrue;
  12 import static org.mockito.Mockito.doReturn;
  13 import static org.mockito.Mockito.mock;
  14 import static org.opendaylight.yangtools.yang.binding.util.DataObjectReadingUtil.readData;
  15
  16 import com.google.common.collect.ImmutableList;
  17 import com.google.common.collect.ImmutableMap;
  18 import com.google.common.collect.ImmutableSet;
  19 import com.google.common.collect.UnmodifiableIterator;
  20 import java.lang.reflect.Constructor;
  21 import java.lang.reflect.InvocationTargetException;
  22 import java.util.Map;
  23 import java.util.Map.Entry;
  24 import org.junit.Before;
  25 import org.junit.Test;
  26 import org.mockito.Mock;
  27 import org.mockito.MockitoAnnotations;
  28 import org.opendaylight.yangtools.yang.binding.DataObject;
  29 import org.opendaylight.yangtools.yang.binding.Identifiable;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.opendaylight.yangtools.yang.binding.test.mock.Node;
  32 import org.opendaylight.yangtools.yang.binding.test.mock.Nodes;
  33
  34 public class DataObjectReadingUtilTest {
  35
  36     @Mock private InstanceIdentifier<? extends DataObject> pathNull;
  37     @Mock private Map.Entry<InstanceIdentifier<? extends DataObject>, DataObject> entryNull;
  38     @Mock private DataObject mockedDataObject;
  39     private InstanceIdentifier<? extends DataObject> path;
  40     private Map.Entry<InstanceIdentifier<? extends DataObject>, DataObject> entry;
  41
  42     @Before
  43     public void setup() {
  44         MockitoAnnotations.initMocks(this);
  45
  46         path = InstanceIdentifier.builder(Nodes.class).build();
  47         final ImmutableMap<InstanceIdentifier<? extends DataObject>, DataObject> map =
  48                 ImmutableMap.<InstanceIdentifier<? extends DataObject>, DataObject>builder()
  49                 .put(path, mockedDataObject).build();
  50
  51         final ImmutableSet<Entry<InstanceIdentifier<? extends DataObject>, DataObject>> entries = map.entrySet();
  52         final UnmodifiableIterator<Entry<InstanceIdentifier<? extends DataObject>, DataObject>> it = entries.iterator();
  53         while (it.hasNext()) {
  54             entry = it.next();
  55         }
  56     }
  57
  58     @Test
  59     public void testReadData() throws Exception {
  60         final Nodes nodes = mock(Nodes.class);
  61         doReturn(Nodes.class).when(nodes).getImplementedInterface();
  62         doReturn(null).when(nodes).getNode();
  63         entry = ImmutableMap.<InstanceIdentifier<? extends DataObject>, DataObject>builder()
  64                 .put(path, nodes).build().entrySet().iterator().next();
  65         path = InstanceIdentifier.builder(Nodes.class).child(Node.class).build();
  66         assertTrue(DataObjectReadingUtil.readData(entry.getValue(),
  67                 (InstanceIdentifier<DataObject>) entry.getKey(), path).isEmpty());
  68
  69         final Iterable<Identifiable> iterable = ImmutableList.of();
  70         doReturn(iterable).when(nodes).getNode();
  71         assertTrue(DataObjectReadingUtil.readData(entry.getValue(),
  72                 (InstanceIdentifier<DataObject>) entry.getKey(), path).isEmpty());
  73     }
  74
  75     @SuppressWarnings("unchecked")
  76     @Test(expected = IllegalArgumentException.class)
  77     public void testReadDataParentNull() {
  78         readData(entryNull.getValue(), (InstanceIdentifier<DataObject>) entryNull.getKey(), pathNull);
  79     }
  80
  81     @SuppressWarnings("unchecked")
  82     @Test(expected = IllegalArgumentException.class)
  83     public void testReadDataParentPathNull() {
  84         readData(entry.getValue(), (InstanceIdentifier<DataObject>) entryNull.getKey(), pathNull);
  85     }
  86
  87     @SuppressWarnings("unchecked")
  88     @Test
  89     public void testReadDataWithThreeParams() {
  90         assertTrue("Check if contains key",
  91                 readData(entry.getValue(),
  92                         (InstanceIdentifier<DataObject>) entry.getKey(), path).containsKey(entry.getKey()));
  93
  94         assertTrue("Check if contains value",
  95                 readData(entry.getValue(),
  96                         (InstanceIdentifier<DataObject>) entry.getKey(), path).containsValue(entry.getValue()));
  97     }
  98
  99     @Test(expected = NullPointerException.class)
 100     public void testReadDataWithTwoParams() {
 101         readData(mockedDataObject, DataObject.class);
 102     }
 103
 104     @Test(expected = UnsupportedOperationException.class)
 105     @SuppressWarnings({ "checkstyle:illegalThrows", "checkstyle:avoidHidingCauseException" })
 106     public void testPrivateConstructor() throws Throwable {
 107         assertFalse(DataObjectReadingUtil.class.getDeclaredConstructor().isAccessible());
 108         final Constructor<?> constructor = DataObjectReadingUtil.class.getDeclaredConstructor();
 109         constructor.setAccessible(true);
 110         try {
 111             constructor.newInstance();
 112         } catch (InvocationTargetException e) {
 113             throw e.getCause();
 114         }
 115     }
 116 }