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 package org.opendaylight.restconf.nb.rfc8040.handlers;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertNotEquals;
  12 import static org.mockito.Mockito.doReturn;
  13 import static org.mockito.Mockito.mock;
  14 import static org.mockito.Mockito.verify;
  15
  16 import java.io.FileNotFoundException;
  17 import org.junit.AfterClass;
  18 import org.junit.Before;
  19 import org.junit.BeforeClass;
  20 import org.junit.Test;
  21 import org.junit.runner.RunWith;
  22 import org.mockito.Mock;
  23 import org.mockito.junit.MockitoJUnitRunner;
  24 import org.opendaylight.mdsal.common.api.CommitInfo;
  25 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
  26 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
  27 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
  28 import org.opendaylight.restconf.nb.rfc8040.TestRestconfUtils;
  29 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  30 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  31 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  32 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  33
  34 /**
  35  * Tests for handling {@link SchemaContext}.
  36  */
  37 @RunWith(MockitoJUnitRunner.StrictStubs.class)
  38 public class SchemaContextHandlerTest {
  39
  40     private static final String PATH_FOR_ACTUAL_SCHEMA_CONTEXT = "/modules";
  41     private static final String PATH_FOR_NEW_SCHEMA_CONTEXT = "/modules/modules-behind-mount-point";
  42
  43     private static EffectiveModelContext SCHEMA_CONTEXT;
  44
  45     private SchemaContextHandler schemaContextHandler;
  46
  47     @Mock
  48     private DOMSchemaService mockDOMSchemaService;
  49
  50     @BeforeClass
  51     public static void beforeClass() throws FileNotFoundException {
  52         SCHEMA_CONTEXT = YangParserTestUtils.parseYangFiles(
  53             TestRestconfUtils.loadFiles(PATH_FOR_ACTUAL_SCHEMA_CONTEXT));
  54     }
  55
  56     @AfterClass
  57     public static void afterClass() {
  58         SCHEMA_CONTEXT = null;
  59     }
  60
  61     @Before
  62     public void setup() throws Exception {
  63         final DOMDataBroker dataBroker = mock(DOMDataBroker.class);
  64         final DOMDataTreeWriteTransaction wTx = mock(DOMDataTreeWriteTransaction.class);
  65         doReturn(wTx).when(dataBroker).newWriteOnlyTransaction();
  66         doReturn(CommitInfo.emptyFluentFuture()).when(wTx).commit();
  67
  68         this.schemaContextHandler = new SchemaContextHandler(dataBroker, mockDOMSchemaService);
  69
  70         this.schemaContextHandler.onModelContextUpdated(SchemaContextHandlerTest.SCHEMA_CONTEXT);
  71     }
  72
  73     /**
  74      * Testing init and close.
  75      */
  76     @Test
  77     public void testInitAndClose() {
  78         ListenerRegistration<?> mockListenerReg = mock(ListenerRegistration.class);
  79         doReturn(mockListenerReg).when(mockDOMSchemaService)
  80             .registerSchemaContextListener(schemaContextHandler);
  81
  82         schemaContextHandler.init();
  83
  84         verify(mockDOMSchemaService).registerSchemaContextListener(schemaContextHandler);
  85
  86         schemaContextHandler.close();
  87
  88         verify(mockListenerReg).close();
  89     }
  90
  91     /**
  92      * Test getting actual {@link SchemaContext}.
  93      *
  94      * <p>
  95      * Get <code>SchemaContext</code> from <code>SchemaContextHandler</code> and compare it to actual
  96      * <code>SchemaContext</code>.
  97      */
  98     @Test
  99     public void getSchemaContextTest() {
 100         assertEquals("SchemaContextHandler should has reference to actual SchemaContext",
 101                 SCHEMA_CONTEXT, this.schemaContextHandler.get());
 102     }
 103
 104     /**
 105      * Test updating of {@link SchemaContext}.
 106      *
 107      * <p>
 108      * Create new <code>SchemaContext</code>, set it to <code>SchemaContextHandler</code> and check if
 109      * <code>SchemaContextHandler</code> reference to new <code>SchemaContext</code> instead of old one.
 110      */
 111     @Test
 112     public void onGlobalContextUpdateTest() throws Exception {
 113         // create new SchemaContext and update SchemaContextHandler
 114         final EffectiveModelContext newSchemaContext =
 115                 YangParserTestUtils.parseYangFiles(TestRestconfUtils.loadFiles(PATH_FOR_NEW_SCHEMA_CONTEXT));
 116         this.schemaContextHandler.onModelContextUpdated(newSchemaContext);
 117
 118         assertNotEquals("SchemaContextHandler should not has reference to old SchemaContext",
 119                 SCHEMA_CONTEXT, this.schemaContextHandler.get());
 120         assertEquals("SchemaContextHandler should has reference to new SchemaContext",
 121                 newSchemaContext, this.schemaContextHandler.get());
 122     }
 123 }