restconf/sal-rest-connector/src/test/java/org/opendaylight/restconf/rest/RestConnectorProviderTest.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
   9 package org.opendaylight.restconf.rest;
  10
  11 import static org.junit.Assert.assertNotNull;
  12 import static org.mockito.Mockito.times;
  13 import static org.mockito.Mockito.verify;
  14 import static org.mockito.Mockito.when;
  15 import org.junit.Before;
  16 import org.junit.Rule;
  17 import org.junit.Test;
  18 import org.junit.rules.ExpectedException;
  19 import org.mockito.Mock;
  20 import org.mockito.Mockito;
  21 import org.mockito.MockitoAnnotations;
  22 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  23 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
  24 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
  25 import org.opendaylight.controller.sal.core.api.Broker;
  26 import org.opendaylight.controller.sal.core.api.model.SchemaService;
  27 import org.opendaylight.restconf.RestConnectorProvider;
  28 import org.opendaylight.restconf.handlers.SchemaContextHandler;
  29 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  30 import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
  31
  32 /**
  33  * Unit tests for {@link RestConnectorProvider}
  34  */
  35 public class RestConnectorProviderTest {
  36     // service under test
  37     private RestConnectorProvider connectorProvider;
  38
  39     @Mock private Broker.ProviderSession mockSession;
  40     @Mock private SchemaService mockSchemaService;
  41     @Mock private DOMMountPointService mockMountPointService;
  42     @Mock private ListenerRegistration<SchemaContextListener> mockRegistration;
  43
  44     @Rule
  45     public ExpectedException thrown = ExpectedException.none();
  46
  47     @Before
  48     public void init() {
  49         MockitoAnnotations.initMocks(this);
  50         this.connectorProvider = new RestConnectorProvider();
  51     }
  52
  53     /**
  54      * Test of successful initialization of {@link RestConnectorProvider}.
  55      */
  56     @Test
  57     public void restConnectorProviderInitTest() {
  58         assertNotNull("Connector provider should be initialized and not null", this.connectorProvider);
  59     }
  60
  61     /**
  62      * Test for successful registration with {@link RestConnectorProvider#onSessionInitiated(Broker.ProviderSession)}
  63      * when all conditions are satisfied.
  64      * <p>
  65      * Condition 1: <code>Broker.ProviderSession</code> contains <code>SchemaService</code>
  66      * Condition 2: <code>Broker.ProviderSession</code> contains <code>DOMMountPointService</code>
  67      */
  68     @Test
  69     public void successfulRegistrationTest() {
  70         // prepare conditions
  71         when(this.mockSession.getService(SchemaService.class)).thenReturn(this.mockSchemaService);
  72         when(this.mockSession.getService(DOMMountPointService.class)).thenReturn(this.mockMountPointService);
  73         final DOMDataBroker mockDataBroker = Mockito.mock(DOMDataBroker.class);
  74         when(this.mockSession.getService(DOMDataBroker.class)).thenReturn(mockDataBroker);
  75         final DOMTransactionChain mockTransactionChain = Mockito.mock(DOMTransactionChain.class);
  76         when(mockDataBroker.createTransactionChain(Mockito.any())).thenReturn(mockTransactionChain);
  77
  78         // test
  79         this.connectorProvider.onSessionInitiated(this.mockSession);
  80
  81         // verify interactions
  82         verify(this.mockSession, times(1)).getService(SchemaService.class);
  83         verify(this.mockSession, times(1)).getService(DOMMountPointService.class);
  84         verify(this.mockSchemaService, times(1)).registerSchemaContextListener(Mockito.any(SchemaContextHandler.class));
  85     }
  86
  87     /**
  88      * Test for successful registration with {@link RestConnectorProvider#onSessionInitiated(Broker.ProviderSession)}
  89      * without <code>DOMMountPointService</code>.
  90      * <p>
  91      * Condition 1: <code>Broker.ProviderSession</code> contains <code>SchemaService</code>
  92      * Condition 2: <code>Broker.ProviderSession</code> does not contain <code>DOMMountPointService</code>
  93      */
  94     @Test
  95     public void successfulRegistrationWithoutMountPointTest() {
  96         // prepare conditions
  97         when(this.mockSession.getService(SchemaService.class)).thenReturn(this.mockSchemaService);
  98         when(this.mockSession.getService(DOMMountPointService.class)).thenReturn(null);
  99         final DOMDataBroker mockDataBroker = Mockito.mock(DOMDataBroker.class);
 100         when(this.mockSession.getService(DOMDataBroker.class)).thenReturn(mockDataBroker);
 101         final DOMTransactionChain mockTransactionChain = Mockito.mock(DOMTransactionChain.class);
 102         when(mockDataBroker.createTransactionChain(Mockito.any())).thenReturn(mockTransactionChain);
 103         final DOMMountPointService mockDomMountPoint = Mockito.mock(DOMMountPointService.class);
 104         when(this.mockSession.getService(DOMMountPointService.class)).thenReturn(mockDomMountPoint);
 105
 106         // test
 107         this.connectorProvider.onSessionInitiated(this.mockSession);
 108
 109         // verify interactions
 110         verify(this.mockSession, times(1)).getService(SchemaService.class);
 111         verify(this.mockSession, times(1)).getService(DOMMountPointService.class);
 112         verify(this.mockSchemaService, times(1)).registerSchemaContextListener(Mockito.any(SchemaContextHandler.class));
 113     }
 114
 115     /**
 116      * Negative test of registration with {@link RestConnectorProvider#onSessionInitiated(Broker.ProviderSession)} with
 117      * null input. Test is expected to fail with <code>NullPointerException</code>.
 118      */
 119     @Test
 120     public void nullSessionRegistrationNegativeTest() {
 121         this.thrown.expect(NullPointerException.class);
 122         this.connectorProvider.onSessionInitiated(null);
 123     }
 124
 125     /**
 126      * Negative test of registration with {@link RestConnectorProvider#onSessionInitiated(Broker.ProviderSession)} when
 127      * <code>Broker.ProviderSession</code> does not contain <code>SchemaService</code>. Test is expected to fail with
 128      * <code>NullPointerException</code>.
 129      */
 130     @Test
 131     public void withoutSchemaServiceRegistrationNegativeTest() {
 132         // prepare conditions
 133         when(this.mockSession.getService(SchemaService.class)).thenReturn(null);
 134
 135         // test
 136         this.thrown.expect(NullPointerException.class);
 137         this.connectorProvider.onSessionInitiated(this.mockSession);
 138
 139         // verify interaction
 140         verify(this.mockSession, times(1)).getService(SchemaService.class);
 141     }
 142
 143     /**
 144      * Test of closing <code>null</code> registration.
 145      */
 146     @Test
 147     public void closeNotOpenTest() throws Exception {
 148         this.connectorProvider.close();
 149     }
 150
 151     /**
 152      * Test of creating and closing not <code>null</code> registration.
 153      */
 154     @Test
 155     public void closeOpenTest() throws Exception {
 156         // prepare conditions
 157         when(this.mockSession.getService(SchemaService.class)).thenReturn(this.mockSchemaService);
 158         when(this.mockSession.getService(DOMMountPointService.class)).thenReturn(this.mockMountPointService);
 159         when(this.mockSchemaService.registerSchemaContextListener(Mockito.any(SchemaContextHandler.class)))
 160                 .thenReturn(this.mockRegistration);
 161         final DOMDataBroker mockDataBroker = Mockito.mock(DOMDataBroker.class);
 162         when(this.mockSession.getService(DOMDataBroker.class)).thenReturn(mockDataBroker);
 163         final DOMTransactionChain mockTransactionChain = Mockito.mock(DOMTransactionChain.class);
 164         when(mockDataBroker.createTransactionChain(Mockito.any())).thenReturn(mockTransactionChain);
 165
 166         // register
 167         this.connectorProvider.onSessionInitiated(this.mockSession);
 168
 169         // close registration
 170         this.connectorProvider.close();
 171
 172         // verify interaction
 173         verify(this.mockRegistration, times(1)).close();
 174     }
 175 }