opendaylight/md-sal/cds-access-api/src/test/java/org/opendaylight/controller/cluster/access/ABIVersionTest.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.controller.cluster.access;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertTrue;
  12 import static org.opendaylight.controller.cluster.access.ABIVersion.BORON;
  13 import static org.opendaylight.controller.cluster.access.ABIVersion.TEST_FUTURE_VERSION;
  14 import static org.opendaylight.controller.cluster.access.ABIVersion.TEST_PAST_VERSION;
  15
  16 import com.google.common.io.ByteArrayDataOutput;
  17 import com.google.common.io.ByteStreams;
  18 import java.io.IOException;
  19 import org.junit.Test;
  20
  21 public class ABIVersionTest {
  22     @Test
  23     public void testInvalidVersions() {
  24         assertTrue(TEST_PAST_VERSION.compareTo(TEST_FUTURE_VERSION) < 0);
  25         assertTrue(TEST_PAST_VERSION.compareTo(BORON) < 0);
  26         assertTrue(TEST_FUTURE_VERSION.compareTo(BORON) > 0);
  27     }
  28
  29     @Test
  30     public void testBoronVersion() throws Exception {
  31         assertEquals((short)5, BORON.shortValue());
  32         assertEquals(BORON, ABIVersion.valueOf(BORON.shortValue()));
  33         assertEquals(BORON, ABIVersion.readFrom(ByteStreams.newDataInput(writeVersion(BORON))));
  34     }
  35
  36     @Test(expected = PastVersionException.class)
  37     public void testInvalidPastVersion() throws Exception {
  38         ABIVersion.valueOf(TEST_PAST_VERSION.shortValue());
  39     }
  40
  41     @Test(expected = FutureVersionException.class)
  42     public void testInvalidFutureVersion() throws Exception {
  43         ABIVersion.valueOf(TEST_FUTURE_VERSION.shortValue());
  44     }
  45
  46     private static byte[] writeVersion(final ABIVersion version) {
  47         final ByteArrayDataOutput bado = ByteStreams.newDataOutput();
  48         bado.writeShort(version.shortValue());
  49         return bado.toByteArray();
  50     }
  51
  52     @Test(expected = IOException.class)
  53     public void testBadRead() throws IOException {
  54         ABIVersion.readFrom(ByteStreams.newDataInput(writeVersion(TEST_PAST_VERSION)));
  55     }
  56 }