yang/yang-model-util/src/test/java/org/opendaylight/yangtools/yang/model/util/DataNodeIteratorTest.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.model.util;
   9
  10 import org.junit.Before;
  11 import org.junit.Test;
  12 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
  13
  14 import java.util.Collections;
  15 import java.util.NoSuchElementException;
  16
  17 import static org.junit.Assert.assertEquals;
  18 import static org.junit.Assert.assertFalse;
  19 import static org.mockito.Mockito.mock;
  20
  21 public class DataNodeIteratorTest {
  22
  23     private DataNodeIterator dataNodeIterator;
  24
  25     @Before
  26     public void setUp() {
  27         DataNodeContainer dataNodeContainer = mock(DataNodeContainer.class);
  28         this.dataNodeIterator = new DataNodeIterator(dataNodeContainer);
  29     }
  30
  31     @Test(expected=IllegalArgumentException.class)
  32     public void createDataNodeIteratorWithNullArgument() {
  33         new DataNodeIterator(null);
  34     }
  35
  36     @Test(expected=UnsupportedOperationException.class)
  37     public void removeFromEmptyDataNodeContainer() {
  38         dataNodeIterator.remove();
  39     }
  40
  41     @Test(expected = NoSuchElementException.class)
  42     public void tryNextOnEmptyDataContainer() {
  43         dataNodeIterator.next();
  44     }
  45
  46     @Test
  47     public void createDataNodeIteratorWith() {
  48         assertFalse("Has no next", dataNodeIterator.hasNext());
  49         assertEquals("Should be empty list", Collections.EMPTY_LIST, dataNodeIterator.allChoices());
  50         assertEquals("Should be empty list", Collections.EMPTY_LIST, dataNodeIterator.allContainers());
  51         assertEquals("Should be empty list", Collections.EMPTY_LIST, dataNodeIterator.allTypedefs());
  52         assertEquals("Should be empty list", Collections.EMPTY_LIST, dataNodeIterator.allGroupings());
  53         assertEquals("Should be empty list", Collections.EMPTY_LIST, dataNodeIterator.allLists());
  54     }
  55 }