opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/entityownership/selectionstrategy/EntityOwnerSelectionStrategyConfigReaderTest.java

   1 /*
   2  * Copyright (c) 2015 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.datastore.entityownership.selectionstrategy;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertFalse;
  12 import static org.junit.Assert.assertNotEquals;
  13 import static org.junit.Assert.assertTrue;
  14 import static org.mockito.Mockito.doReturn;
  15 import static org.mockito.Mockito.doThrow;
  16
  17 import java.io.IOException;
  18 import java.util.Collections;
  19 import java.util.Hashtable;
  20 import org.junit.Before;
  21 import org.junit.Test;
  22 import org.mockito.Mock;
  23 import org.mockito.MockitoAnnotations;
  24 import org.osgi.framework.BundleContext;
  25 import org.osgi.framework.ServiceReference;
  26 import org.osgi.service.cm.Configuration;
  27 import org.osgi.service.cm.ConfigurationAdmin;
  28
  29 public class EntityOwnerSelectionStrategyConfigReaderTest {
  30     @Mock
  31     private BundleContext mockBundleContext;
  32
  33     @Mock
  34     private ServiceReference<ConfigurationAdmin> mockConfigAdminServiceRef;
  35
  36     @Mock
  37     private ConfigurationAdmin mockConfigAdmin;
  38
  39     @Mock
  40     private Configuration mockConfig;
  41
  42     @Before
  43     public void setup() throws IOException {
  44         MockitoAnnotations.initMocks(this);
  45
  46         doReturn(mockConfigAdminServiceRef).when(mockBundleContext).getServiceReference(ConfigurationAdmin.class);
  47         doReturn(mockConfigAdmin).when(mockBundleContext).getService(mockConfigAdminServiceRef);
  48
  49         doReturn(mockConfig).when(mockConfigAdmin).getConfiguration(EntityOwnerSelectionStrategyConfigReader.CONFIG_ID);
  50     }
  51
  52     private EntityOwnerSelectionStrategyConfig loadStrategyConfig() {
  53         return EntityOwnerSelectionStrategyConfigReader.loadStrategyWithConfig(mockBundleContext);
  54     }
  55
  56     @Test
  57     public void testReadStrategies() {
  58         Hashtable<String, Object> props = new Hashtable<>();
  59         props.put("entity.type.test", "org.opendaylight.controller.cluster.datastore.entityownership."
  60                 + "selectionstrategy.LastCandidateSelectionStrategy,100");
  61
  62         doReturn(props).when(mockConfig).getProperties();
  63
  64         EntityOwnerSelectionStrategyConfig config = loadStrategyConfig();
  65
  66         assertTrue(config.isStrategyConfigured("test"));
  67
  68         EntityOwnerSelectionStrategy strategy = config.createStrategy("test", Collections.<String, Long>emptyMap());
  69         assertTrue(strategy.toString(), strategy instanceof LastCandidateSelectionStrategy);
  70         assertEquals(100L, strategy.getSelectionDelayInMillis());
  71
  72         final EntityOwnerSelectionStrategy strategy1 = config.createStrategy("test", Collections.emptyMap());
  73         assertEquals(strategy, strategy1);
  74
  75         config.clearStrategies();
  76
  77         final EntityOwnerSelectionStrategy strategy2 = config.createStrategy("test", Collections.emptyMap());
  78         assertNotEquals(strategy1, strategy2);
  79     }
  80
  81     @Test
  82     public void testReadStrategiesWithIOException() throws IOException {
  83         doThrow(IOException.class).when(mockConfigAdmin).getConfiguration(
  84                 EntityOwnerSelectionStrategyConfigReader.CONFIG_ID);
  85
  86         EntityOwnerSelectionStrategyConfig config = loadStrategyConfig();
  87
  88         assertFalse(config.isStrategyConfigured("test"));
  89     }
  90
  91     @Test
  92     public void testReadStrategiesWithNullConfiguration() throws IOException {
  93         doReturn(null).when(mockConfigAdmin).getConfiguration(EntityOwnerSelectionStrategyConfigReader.CONFIG_ID);
  94
  95         EntityOwnerSelectionStrategyConfig config = loadStrategyConfig();
  96
  97         assertFalse(config.isStrategyConfigured("test"));
  98     }
  99
 100     @Test
 101     public void testReadStrategiesWithNullConfigurationProperties() throws IOException {
 102         doReturn(null).when(mockConfig).getProperties();
 103
 104         EntityOwnerSelectionStrategyConfig config = loadStrategyConfig();
 105
 106         assertFalse(config.isStrategyConfigured("test"));
 107     }
 108
 109     @Test(expected = IllegalArgumentException.class)
 110     public void testReadStrategiesInvalidDelay() {
 111         Hashtable<String, Object> props = new Hashtable<>();
 112         props.put("entity.type.test", "org.opendaylight.controller.cluster.datastore.entityownership."
 113                 + "selectionstrategy.LastCandidateSelectionStrategy,foo");
 114
 115         doReturn(props).when(mockConfig).getProperties();
 116
 117         loadStrategyConfig();
 118     }
 119
 120     @Test(expected = IllegalArgumentException.class)
 121     public void testReadStrategiesInvalidClassType() {
 122         Hashtable<String, Object> props = new Hashtable<>();
 123         props.put("entity.type.test", "String,100");
 124
 125         doReturn(props).when(mockConfig).getProperties();
 126
 127         loadStrategyConfig();
 128     }
 129
 130     @Test
 131     public void testReadStrategiesMissingDelay() {
 132         Hashtable<String, Object> props = new Hashtable<>();
 133         props.put("entity.type.test", "org.opendaylight.controller.cluster.datastore.entityownership."
 134                 + "selectionstrategy.LastCandidateSelectionStrategy,100");
 135         props.put("entity.type.test1", "org.opendaylight.controller.cluster.datastore.entityownership."
 136                 + "selectionstrategy.LastCandidateSelectionStrategy");
 137
 138         doReturn(props).when(mockConfig).getProperties();
 139
 140         EntityOwnerSelectionStrategyConfig config = loadStrategyConfig();
 141
 142         assertEquals(100, config.createStrategy("test", Collections.emptyMap()).getSelectionDelayInMillis());
 143         assertEquals(0, config.createStrategy("test2", Collections.emptyMap()).getSelectionDelayInMillis());
 144     }
 145 }