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