restconf/restconf-nb-rfc8040/src/test/java/org/opendaylight/restconf/nb/rfc8040/handlers/SchemaContextHandlerTest.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.nb.rfc8040.handlers;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertNotEquals;
  13
  14 import org.junit.Before;
  15 import org.junit.Test;
  16 import org.mockito.Mockito;
  17 import org.opendaylight.mdsal.common.api.CommitInfo;
  18 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
  19 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
  20 import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
  21 import org.opendaylight.restconf.nb.rfc8040.TestRestconfUtils;
  22 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  23 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  24 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  25 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  26
  27 /**
  28  * Tests for handling {@link SchemaContext}.
  29  */
  30 public class SchemaContextHandlerTest {
  31
  32     private static final String PATH_FOR_ACTUAL_SCHEMA_CONTEXT = "/modules";
  33     private static final String PATH_FOR_NEW_SCHEMA_CONTEXT = "/modules/modules-behind-mount-point";
  34
  35     private SchemaContextHandler schemaContextHandler;
  36     private EffectiveModelContext schemaContext;
  37     private final DOMSchemaService mockDOMSchemaService = Mockito.mock(DOMSchemaService.class);
  38
  39     @Before
  40     public void setup() throws Exception {
  41         final TransactionChainHandler txHandler = Mockito.mock(TransactionChainHandler.class);
  42         final DOMTransactionChain domTx = Mockito.mock(DOMTransactionChain.class);
  43         Mockito.when(txHandler.get()).thenReturn(domTx);
  44         final DOMDataTreeWriteTransaction wTx = Mockito.mock(DOMDataTreeWriteTransaction.class);
  45         Mockito.when(domTx.newWriteOnlyTransaction()).thenReturn(wTx);
  46         Mockito.doReturn(CommitInfo.emptyFluentFuture()).when(wTx).commit();
  47
  48         this.schemaContextHandler = SchemaContextHandler.newInstance(txHandler, mockDOMSchemaService);
  49
  50         this.schemaContext =
  51                 YangParserTestUtils.parseYangFiles(TestRestconfUtils.loadFiles(PATH_FOR_ACTUAL_SCHEMA_CONTEXT));
  52         this.schemaContextHandler.onModelContextUpdated(this.schemaContext);
  53     }
  54
  55     /**
  56      * Testing init and close.
  57      */
  58     @Test
  59     public void testInitAndClose() {
  60         ListenerRegistration<?> mockListenerReg = Mockito.mock(ListenerRegistration.class);
  61         Mockito.doReturn(mockListenerReg).when(mockDOMSchemaService)
  62             .registerSchemaContextListener(schemaContextHandler);
  63
  64         schemaContextHandler.init();
  65
  66         Mockito.verify(mockDOMSchemaService).registerSchemaContextListener(schemaContextHandler);
  67
  68         schemaContextHandler.close();
  69
  70         Mockito.verify(mockListenerReg).close();
  71     }
  72
  73     /**
  74      * Test getting actual {@link SchemaContext}.
  75      *
  76      * <p>
  77      * Get <code>SchemaContext</code> from <code>SchemaContextHandler</code> and compare it to actual
  78      * <code>SchemaContext</code>.
  79      */
  80     @Test
  81     public void getSchemaContextTest() {
  82         assertEquals("SchemaContextHandler should has reference to actual SchemaContext",
  83                 this.schemaContext, this.schemaContextHandler.get());
  84     }
  85
  86     /**
  87      * Test updating of {@link SchemaContext}.
  88      *
  89      * <p>
  90      * Create new <code>SchemaContext</code>, set it to <code>SchemaContextHandler</code> and check if
  91      * <code>SchemaContextHandler</code> reference to new <code>SchemaContext</code> instead of old one.
  92      */
  93     @Test
  94     public void onGlobalContextUpdateTest() throws Exception {
  95         // create new SchemaContext and update SchemaContextHandler
  96         final EffectiveModelContext newSchemaContext =
  97                 YangParserTestUtils.parseYangFiles(TestRestconfUtils.loadFiles(PATH_FOR_NEW_SCHEMA_CONTEXT));
  98         this.schemaContextHandler.onModelContextUpdated(newSchemaContext);
  99
 100         assertNotEquals("SchemaContextHandler should not has reference to old SchemaContext",
 101                 this.schemaContext, this.schemaContextHandler.get());
 102         assertEquals("SchemaContextHandler should has reference to new SchemaContext",
 103                 newSchemaContext, this.schemaContextHandler.get());
 104     }
 105 }