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 import static org.junit.Assert.assertNotNull;
  14
  15 import com.google.common.util.concurrent.CheckedFuture;
  16 import org.junit.Before;
  17 import org.junit.Test;
  18 import org.mockito.Mockito;
  19 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  20 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  21 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
  22 import org.opendaylight.restconf.nb.rfc8040.TestRestconfUtils;
  23 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  24 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  25
  26 /**
  27  * Tests for handling {@link SchemaContext}.
  28  */
  29 public class SchemaContextHandlerTest {
  30
  31     private static final String PATH_FOR_ACTUAL_SCHEMA_CONTEXT = "/modules";
  32     private static final String PATH_FOR_NEW_SCHEMA_CONTEXT = "/modules/modules-behind-mount-point";
  33
  34     private SchemaContextHandler schemaContextHandler;
  35     private SchemaContext schemaContext;
  36
  37     @Before
  38     public void setup() throws Exception {
  39         final TransactionChainHandler txHandler = Mockito.mock(TransactionChainHandler.class);
  40         final DOMTransactionChain domTx = Mockito.mock(DOMTransactionChain.class);
  41         Mockito.when(txHandler.get()).thenReturn(domTx);
  42         final DOMDataWriteTransaction wTx = Mockito.mock(DOMDataWriteTransaction.class);
  43         Mockito.when(domTx.newWriteOnlyTransaction()).thenReturn(wTx);
  44         final CheckedFuture<Void,TransactionCommitFailedException> checked = Mockito.mock(CheckedFuture.class);
  45         Mockito.when(wTx.submit()).thenReturn(checked);
  46         Mockito.when(checked.checkedGet()).thenReturn(null);
  47         this.schemaContextHandler = new SchemaContextHandler(txHandler);
  48
  49         this.schemaContext =
  50                 YangParserTestUtils.parseYangFiles(TestRestconfUtils.loadFiles(PATH_FOR_ACTUAL_SCHEMA_CONTEXT));
  51         this.schemaContextHandler.onGlobalContextUpdated(this.schemaContext);
  52     }
  53
  54     /**
  55      * Testing init of {@link SchemaContextHandler}.
  56      */
  57     @Test
  58     public void schemaContextHandlerImplInitTest() {
  59         assertNotNull("Handler should be created and not null", this.schemaContextHandler);
  60     }
  61
  62     /**
  63      * Test getting actual {@link SchemaContext}.
  64      *
  65      * <p>
  66      * Get <code>SchemaContext</code> from <code>SchemaContextHandler</code> and compare it to actual
  67      * <code>SchemaContext</code>.
  68      */
  69     @Test
  70     public void getSchemaContextTest() {
  71         assertEquals("SchemaContextHandler should has reference to actual SchemaContext",
  72                 this.schemaContext, this.schemaContextHandler.get());
  73     }
  74
  75     /**
  76      * Test updating of {@link SchemaContext}.
  77      *
  78      * <p>
  79      * Create new <code>SchemaContext</code>, set it to <code>SchemaContextHandler</code> and check if
  80      * <code>SchemaContextHandler</code> reference to new <code>SchemaContext</code> instead of old one.
  81      */
  82     @Test
  83     public void onGlobalContextUpdateTest() throws Exception {
  84         // create new SchemaContext and update SchemaContextHandler
  85         final SchemaContext newSchemaContext =
  86                 YangParserTestUtils.parseYangFiles(TestRestconfUtils.loadFiles(PATH_FOR_NEW_SCHEMA_CONTEXT));
  87         this.schemaContextHandler.onGlobalContextUpdated(newSchemaContext);
  88
  89         assertNotEquals("SchemaContextHandler should not has reference to old SchemaContext",
  90                 this.schemaContext, this.schemaContextHandler.get());
  91         assertEquals("SchemaContextHandler should has reference to new SchemaContext",
  92                 newSchemaContext, this.schemaContextHandler.get());
  93     }
  94 }