dom/mdsal-dom-spi/src/test/java/org/opendaylight/mdsal/dom/spi/store/SnapshotBackedReadWriteTransactionTest.java

   1 /*
   2  * Copyright (c) 2016 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.mdsal.dom.spi.store;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertTrue;
  12 import static org.junit.Assert.fail;
  13 import static org.mockito.Matchers.any;
  14 import static org.mockito.Mockito.doReturn;
  15 import static org.mockito.Mockito.doThrow;
  16 import static org.mockito.Mockito.mock;
  17
  18 import com.google.common.base.Optional;
  19 import org.junit.Before;
  20 import org.junit.Test;
  21 import org.opendaylight.mdsal.common.api.ReadFailedException;
  22 import org.opendaylight.mdsal.dom.spi.store.SnapshotBackedWriteTransaction.TransactionReadyPrototype;
  23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  24 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  25 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  26 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
  27
  28 public class SnapshotBackedReadWriteTransactionTest {
  29
  30     private static final DataTreeSnapshot DATA_TREE_SNAPSHOT = mock(DataTreeSnapshot.class);
  31     private static final DataTreeModification DATA_TREE_MODIFICATION = mock(DataTreeModification.class);
  32     private static final TransactionReadyPrototype TRANSACTION_READY_PROTOTYPE =  mock(TransactionReadyPrototype.class);
  33     private SnapshotBackedReadWriteTransaction snapshotBackedReadWriteTransaction;
  34
  35     @Before
  36     public void setUp() throws Exception {
  37         doReturn(DATA_TREE_MODIFICATION).when(DATA_TREE_SNAPSHOT).newModification();
  38         snapshotBackedReadWriteTransaction = new SnapshotBackedReadWriteTransaction(new Object(), false,
  39                 DATA_TREE_SNAPSHOT, TRANSACTION_READY_PROTOTYPE);
  40     }
  41
  42     @Test
  43     public void basicTest() throws Exception {
  44         final NormalizedNode<?, ?> testNode = mock(NormalizedNode.class);
  45         final Optional<NormalizedNode> optional = Optional.of(testNode);
  46         doReturn("testNode").when(testNode).toString();
  47         doReturn(optional).when(DATA_TREE_MODIFICATION).readNode(YangInstanceIdentifier.EMPTY);
  48         assertTrue((Boolean) snapshotBackedReadWriteTransaction.exists(YangInstanceIdentifier.EMPTY).get());
  49         assertEquals(optional, snapshotBackedReadWriteTransaction.read(YangInstanceIdentifier.EMPTY).get());
  50     }
  51
  52     @Test(expected = ReadFailedException.class)
  53     public void readTestWithNullException() throws Throwable {
  54         doReturn(null).when(DATA_TREE_MODIFICATION).readNode(YangInstanceIdentifier.EMPTY);
  55         try {
  56             snapshotBackedReadWriteTransaction.read(YangInstanceIdentifier.EMPTY).get();
  57             fail("Expected ReadFailedException");
  58         } catch (Exception e) {
  59             throw e.getCause();
  60         }
  61     }
  62
  63     @Test(expected = ReadFailedException.class)
  64     public void readNodeTestWithException() throws Throwable {
  65         doThrow(new NullPointerException("no Node")).when(DATA_TREE_MODIFICATION).readNode(any());
  66         try {
  67             snapshotBackedReadWriteTransaction.read(YangInstanceIdentifier.EMPTY).get();
  68             fail("Expected ReadFailedException");
  69         } catch (Exception e) {
  70             throw e.getCause();
  71         }
  72     }
  73
  74     @Test(expected = ReadFailedException.class)
  75     public void existsTestWithException() throws Throwable {
  76         doThrow(new NullPointerException("no Node")).when(DATA_TREE_MODIFICATION).readNode(any());
  77         try {
  78             snapshotBackedReadWriteTransaction.exists(YangInstanceIdentifier.EMPTY).get();
  79             fail("Expected ReadFailedException");
  80         } catch (Exception e) {
  81             throw e.getCause();
  82         }
  83     }
  84 }