dom/mdsal-dom-spi/src/test/java/org/opendaylight/mdsal/dom/spi/store/SnapshotBackedTransactionsTest.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.assertNotNull;
  11 import static org.junit.Assert.fail;
  12 import static org.mockito.Mockito.doReturn;
  13 import static org.mockito.Mockito.mock;
  14
  15 import java.lang.reflect.Constructor;
  16 import org.junit.Test;
  17 import org.opendaylight.mdsal.dom.spi.store.SnapshotBackedWriteTransaction.TransactionReadyPrototype;
  18 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  19 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
  20
  21 public class SnapshotBackedTransactionsTest {
  22
  23     @Test
  24     public void basicTest() throws Exception {
  25         final DataTreeSnapshot dataTreeSnapshot = mock(DataTreeSnapshot.class);
  26         final DataTreeModification dataTreeModification = mock(DataTreeModification.class);
  27         final TransactionReadyPrototype<Object> transactionReadyPrototype =  mock(TransactionReadyPrototype.class);
  28         doReturn(dataTreeModification).when(dataTreeSnapshot).newModification();
  29
  30         assertNotNull(SnapshotBackedTransactions.newReadTransaction(new Object(), false, dataTreeSnapshot));
  31         assertNotNull(SnapshotBackedTransactions.newWriteTransaction(
  32                 new Object(), false, dataTreeSnapshot, transactionReadyPrototype));
  33         assertNotNull(SnapshotBackedTransactions.newReadWriteTransaction(
  34                 new Object(), false, dataTreeSnapshot, transactionReadyPrototype));
  35     }
  36
  37     @SuppressWarnings({"checkstyle:IllegalThrows", "checkstyle:IllegalCatch", "checkstyle:avoidHidingCauseException" })
  38     @Test(expected = UnsupportedOperationException.class)
  39     public void constructorTest() throws Throwable {
  40         Constructor<SnapshotBackedTransactions> constructor = SnapshotBackedTransactions.class.getDeclaredConstructor();
  41         constructor.setAccessible(true);
  42         try {
  43             constructor.newInstance();
  44             fail("Expected UnsupportedOperationException");
  45         } catch (Exception e) {
  46             throw e.getCause();
  47         }
  48     }
  49 }