restconf/restconf-nb-rfc8040/src/test/java/org/opendaylight/restconf/nb/rfc8040/rests/utils/DeleteDataTransactionUtilTest.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.rests.utils;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.fail;
  13 import static org.mockito.Mockito.mock;
  14
  15 import com.google.common.util.concurrent.Futures;
  16 import java.lang.reflect.Field;
  17 import javax.ws.rs.core.Response;
  18 import javax.ws.rs.core.Response.Status;
  19 import org.junit.AfterClass;
  20 import org.junit.Before;
  21 import org.junit.BeforeClass;
  22 import org.junit.Test;
  23 import org.mockito.Mock;
  24 import org.mockito.Mockito;
  25 import org.mockito.MockitoAnnotations;
  26 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  27 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  28 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
  29 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
  30 import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
  31 import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
  32 import org.opendaylight.restconf.common.errors.RestconfError.ErrorTag;
  33 import org.opendaylight.restconf.common.errors.RestconfError.ErrorType;
  34 import org.opendaylight.restconf.nb.rfc8040.RestConnectorProvider;
  35 import org.opendaylight.restconf.nb.rfc8040.handlers.TransactionChainHandler;
  36 import org.opendaylight.restconf.nb.rfc8040.rests.transactions.TransactionVarsWrapper;
  37 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  38
  39 public class DeleteDataTransactionUtilTest {
  40     @Mock
  41     private DOMTransactionChain transactionChain;
  42     @Mock
  43     private InstanceIdentifierContext<?> context;
  44     @Mock
  45     private DOMDataReadWriteTransaction readWrite;
  46
  47     // Fields used when delete operation fails to reset transaction chain
  48     private static Field handler;
  49     private static Field broker;
  50
  51     @BeforeClass
  52     public static void setup() throws Exception {
  53         DeleteDataTransactionUtilTest.handler = RestConnectorProvider.class.getDeclaredField("transactionChainHandler");
  54         DeleteDataTransactionUtilTest.broker = RestConnectorProvider.class.getDeclaredField("dataBroker");
  55
  56         DeleteDataTransactionUtilTest.handler.setAccessible(true);
  57         DeleteDataTransactionUtilTest.handler.set(RestConnectorProvider.class, mock(TransactionChainHandler.class));
  58
  59         DeleteDataTransactionUtilTest.broker.setAccessible(true);
  60         DeleteDataTransactionUtilTest.broker.set(RestConnectorProvider.class, mock(DOMDataBroker.class));
  61     }
  62
  63     @AfterClass
  64     public static void clean() throws Exception {
  65         DeleteDataTransactionUtilTest.handler.set(RestConnectorProvider.class, null);
  66         DeleteDataTransactionUtilTest.handler.setAccessible(false);
  67
  68         DeleteDataTransactionUtilTest.broker.set(RestConnectorProvider.class, null);
  69         DeleteDataTransactionUtilTest.broker.setAccessible(false);
  70     }
  71
  72     @Before
  73     public void init() throws Exception {
  74         MockitoAnnotations.initMocks(this);
  75         Mockito.when(this.transactionChain.newReadWriteTransaction()).thenReturn(this.readWrite);
  76         Mockito.when(this.readWrite.submit()).thenReturn(Futures.immediateCheckedFuture(null));
  77         Mockito.when(this.context.getInstanceIdentifier()).thenReturn(YangInstanceIdentifier.EMPTY);
  78     }
  79
  80     /**
  81      * Test of successful DELETE operation.
  82      */
  83     @Test
  84     public void deleteData() throws Exception {
  85         // assert that data to delete exists
  86         Mockito.when(this.transactionChain.newReadWriteTransaction().exists(LogicalDatastoreType.CONFIGURATION,
  87                 YangInstanceIdentifier.EMPTY))
  88                 .thenReturn(Futures.immediateCheckedFuture(Boolean.TRUE));
  89
  90         // test
  91         final Response response = DeleteDataTransactionUtil.deleteData(
  92                 new TransactionVarsWrapper(this.context, null, this.transactionChain));
  93
  94         // assert success
  95         assertEquals("Not expected response received", Status.OK.getStatusCode(), response.getStatus());
  96     }
  97
  98     /**
  99      * Negative test for DELETE operation when data to delete does not exist. Error 404 is expected.
 100      */
 101     @Test
 102     public void deleteDataNegativeTest() throws Exception {
 103         // assert that data to delete does NOT exist
 104         Mockito.when(this.transactionChain.newReadWriteTransaction().exists(LogicalDatastoreType.CONFIGURATION,
 105                 YangInstanceIdentifier.EMPTY))
 106                 .thenReturn(Futures.immediateCheckedFuture(Boolean.FALSE));
 107
 108         // test and assert error
 109         try {
 110             DeleteDataTransactionUtil.deleteData(new TransactionVarsWrapper(this.context, null, this.transactionChain));
 111             fail("Delete operation should fail due to missing data");
 112         } catch (final RestconfDocumentedException e) {
 113             assertEquals(ErrorType.PROTOCOL, e.getErrors().get(0).getErrorType());
 114             assertEquals(ErrorTag.DATA_MISSING, e.getErrors().get(0).getErrorTag());
 115             assertEquals(404, e.getErrors().get(0).getErrorTag().getStatusCode());
 116         }
 117     }
 118 }