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.assertThrows;
  12 import static org.junit.Assert.assertTrue;
  13 import static org.opendaylight.controller.cluster.access.ABIVersion.BORON;
  14 import static org.opendaylight.controller.cluster.access.ABIVersion.TEST_FUTURE_VERSION;
  15 import static org.opendaylight.controller.cluster.access.ABIVersion.TEST_PAST_VERSION;
  16
  17 import com.google.common.io.ByteArrayDataOutput;
  18 import com.google.common.io.ByteStreams;
  19 import java.io.IOException;
  20 import org.junit.Test;
  21
  22 public class ABIVersionTest {
  23     @Test
  24     public void testInvalidVersions() {
  25         assertTrue(TEST_PAST_VERSION.compareTo(TEST_FUTURE_VERSION) < 0);
  26         assertTrue(TEST_PAST_VERSION.compareTo(BORON) < 0);
  27         assertTrue(TEST_FUTURE_VERSION.compareTo(BORON) > 0);
  28     }
  29
  30     @Test
  31     public void testBoronVersion() throws Exception {
  32         assertEquals((short)5, BORON.shortValue());
  33         assertEquals(BORON, ABIVersion.valueOf(BORON.shortValue()));
  34         assertEquals(BORON, ABIVersion.readFrom(ByteStreams.newDataInput(writeVersion(BORON))));
  35     }
  36
  37     @Test
  38     public void testInvalidPastVersion() {
  39         assertThrows(PastVersionException.class, () -> ABIVersion.valueOf(TEST_PAST_VERSION.shortValue()));
  40     }
  41
  42     @Test
  43     public void testInvalidFutureVersion() {
  44         assertThrows(FutureVersionException.class, () -> ABIVersion.valueOf(TEST_FUTURE_VERSION.shortValue()));
  45     }
  46
  47     private static byte[] writeVersion(final ABIVersion version) {
  48         final ByteArrayDataOutput bado = ByteStreams.newDataOutput();
  49         bado.writeShort(version.shortValue());
  50         return bado.toByteArray();
  51     }
  52
  53     @Test
  54     public void testBadRead() {
  55         final var in = ByteStreams.newDataInput(writeVersion(TEST_PAST_VERSION));
  56         assertThrows(IOException.class, () -> ABIVersion.readFrom(in));
  57     }
  58 }