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 com.google.common.util.concurrent.CheckedFuture;
  15 import org.junit.Before;
  16 import org.junit.Test;
  17 import org.mockito.Mockito;
  18 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  19 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  20 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
  21 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
  22 import org.opendaylight.restconf.nb.rfc8040.TestRestconfUtils;
  23 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  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 SchemaContext 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 DOMDataWriteTransaction wTx = Mockito.mock(DOMDataWriteTransaction.class);
  45         Mockito.when(domTx.newWriteOnlyTransaction()).thenReturn(wTx);
  46         final CheckedFuture<Void,TransactionCommitFailedException> checked = Mockito.mock(CheckedFuture.class);
  47         Mockito.when(wTx.submit()).thenReturn(checked);
  48         Mockito.when(checked.checkedGet()).thenReturn(null);
  49
  50
  51         this.schemaContextHandler = SchemaContextHandler.newInstance(txHandler, mockDOMSchemaService);
  52
  53         this.schemaContext =
  54                 YangParserTestUtils.parseYangFiles(TestRestconfUtils.loadFiles(PATH_FOR_ACTUAL_SCHEMA_CONTEXT));
  55         this.schemaContextHandler.onGlobalContextUpdated(this.schemaContext);
  56     }
  57
  58     /**
  59      * Testing init and close.
  60      */
  61     @Test
  62     public void testInitAndClose() {
  63         ListenerRegistration<?> mockListenerReg = Mockito.mock(ListenerRegistration.class);
  64         Mockito.doReturn(mockListenerReg).when(mockDOMSchemaService)
  65             .registerSchemaContextListener(schemaContextHandler);
  66
  67         schemaContextHandler.init();
  68
  69         Mockito.verify(mockDOMSchemaService).registerSchemaContextListener(schemaContextHandler);
  70
  71         schemaContextHandler.close();
  72
  73         Mockito.verify(mockListenerReg).close();
  74     }
  75
  76     /**
  77      * Test getting actual {@link SchemaContext}.
  78      *
  79      * <p>
  80      * Get <code>SchemaContext</code> from <code>SchemaContextHandler</code> and compare it to actual
  81      * <code>SchemaContext</code>.
  82      */
  83     @Test
  84     public void getSchemaContextTest() {
  85         assertEquals("SchemaContextHandler should has reference to actual SchemaContext",
  86                 this.schemaContext, this.schemaContextHandler.get());
  87     }
  88
  89     /**
  90      * Test updating of {@link SchemaContext}.
  91      *
  92      * <p>
  93      * Create new <code>SchemaContext</code>, set it to <code>SchemaContextHandler</code> and check if
  94      * <code>SchemaContextHandler</code> reference to new <code>SchemaContext</code> instead of old one.
  95      */
  96     @Test
  97     public void onGlobalContextUpdateTest() throws Exception {
  98         // create new SchemaContext and update SchemaContextHandler
  99         final SchemaContext newSchemaContext =
 100                 YangParserTestUtils.parseYangFiles(TestRestconfUtils.loadFiles(PATH_FOR_NEW_SCHEMA_CONTEXT));
 101         this.schemaContextHandler.onGlobalContextUpdated(newSchemaContext);
 102
 103         assertNotEquals("SchemaContextHandler should not has reference to old SchemaContext",
 104                 this.schemaContext, this.schemaContextHandler.get());
 105         assertEquals("SchemaContextHandler should has reference to new SchemaContext",
 106                 newSchemaContext, this.schemaContextHandler.get());
 107     }
 108 }