nokiav2/driver/src/test/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/onap/core/TestGenericExternalSystemInfoProvider.java

   1 /*
   2  * Copyright 2016-2017, Nokia Corporation
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.core;
  18
  19 import org.junit.Before;
  20 import org.junit.Test;
  21 import org.mockito.Mockito;
  22 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.TestBase;
  23 import org.onap.vnfmdriver.model.VimInfo;
  24 import org.onap.vnfmdriver.model.VnfmInfo;
  25 import org.springframework.core.env.Environment;
  26 import org.springframework.test.util.ReflectionTestUtils;
  27
  28 import static java.lang.Long.valueOf;
  29 import static junit.framework.TestCase.assertEquals;
  30 import static junit.framework.TestCase.fail;
  31 import static org.mockito.Mockito.*;
  32
  33 public class TestGenericExternalSystemInfoProvider extends TestBase {
  34
  35     private GenericExternalSystemInfoProvider genericExternalSystemInfoProvider;
  36
  37     @Before
  38     public void init() {
  39         when(environment.getProperty(IpMappingProvider.IP_MAP, String.class, "")).thenReturn("");
  40         ReflectionTestUtils.setField(GenericExternalSystemInfoProvider.class, "logger", logger);
  41         genericExternalSystemInfoProvider = Mockito.spy(new TestClass(environment));
  42     }
  43
  44     /**
  45      * the VNFM info is not retrieved within the cache eviction period
  46      */
  47     @Test
  48     public void testQueryVnfmInfoWithin() throws Exception {
  49         VnfmInfo expectedVnfmInfo = Mockito.mock(VnfmInfo.class);
  50         when(genericExternalSystemInfoProvider.queryVnfmInfoFromSource(VNFM_ID)).thenReturn(expectedVnfmInfo);
  51         when(environment.getProperty(GenericExternalSystemInfoProvider.VNFM_INFO_CACHE_EVICTION_IN_MS, Long.class, valueOf(GenericExternalSystemInfoProvider.DEFAULT_CACHE_EVICTION_TIMEOUT_IN_MS))).thenReturn(Long.valueOf(1234));
  52         genericExternalSystemInfoProvider.afterPropertiesSet();
  53         //when
  54         VnfmInfo vnfmInfo = genericExternalSystemInfoProvider.getVnfmInfo(VNFM_ID);
  55         //verify
  56         verify(logger).info("Querying VNFM info from source with " + VNFM_ID + " identifier");
  57         assertEquals(expectedVnfmInfo, vnfmInfo);
  58         //when
  59         VnfmInfo vnfmInfo2 = genericExternalSystemInfoProvider.getVnfmInfo(VNFM_ID);
  60         //verify source system not called again
  61         verify(logger).info("Querying VNFM info from source with " + VNFM_ID + " identifier");
  62         verify(genericExternalSystemInfoProvider, Mockito.times(1)).queryVnfmInfoFromSource(VNFM_ID);
  63     }
  64
  65     /**
  66      * the VNFM info is retrieved without the cache eviction period
  67      */
  68     @Test
  69     //sleeping is required to make time pass (for cache to notice the change)
  70     //cache is configured with 1 ms cache eviction without sleep it is not
  71     //deterministic that at least 1 ms time will pass between calls
  72     @SuppressWarnings("squid:S2925")
  73     public void testQueryVnfmInfoOutside() throws Exception {
  74         VnfmInfo expectedVnfmInfo = Mockito.mock(VnfmInfo.class);
  75         when(genericExternalSystemInfoProvider.queryVnfmInfoFromSource(VNFM_ID)).thenReturn(expectedVnfmInfo);
  76         when(environment.getProperty(GenericExternalSystemInfoProvider.VNFM_INFO_CACHE_EVICTION_IN_MS, Long.class, valueOf(GenericExternalSystemInfoProvider.DEFAULT_CACHE_EVICTION_TIMEOUT_IN_MS))).thenReturn(Long.valueOf(1));
  77         genericExternalSystemInfoProvider.afterPropertiesSet();
  78         //when
  79         VnfmInfo vnfmInfo = genericExternalSystemInfoProvider.getVnfmInfo(VNFM_ID);
  80         //verify
  81         assertEquals(expectedVnfmInfo, vnfmInfo);
  82         //when
  83         Thread.sleep(10);
  84         VnfmInfo vnfmInfo2 = genericExternalSystemInfoProvider.getVnfmInfo(VNFM_ID);
  85         //verify source system called again
  86         verify(logger, times(2)).info("Querying VNFM info from source with " + VNFM_ID + " identifier");
  87         verify(genericExternalSystemInfoProvider, Mockito.times(2)).queryVnfmInfoFromSource(VNFM_ID);
  88     }
  89
  90     /**
  91      * Unable to query VNFM results is propagated
  92      */
  93     @Test
  94     public void testUnableToQueryVnfmInfoProvider() throws Exception {
  95         class TestClass extends GenericExternalSystemInfoProvider {
  96
  97             TestClass(Environment environment) {
  98                 super(environment);
  99             }
 100
 101             @Override
 102             public VnfmInfo queryVnfmInfoFromSource(String vnfmId) {
 103                 throw new RuntimeException();
 104             }
 105
 106             @Override
 107             public VimInfo getVimInfo(String vimId) {
 108                 return null;
 109             }
 110         }
 111         try {
 112             new TestClass(null).getVnfmInfo(VNFM_ID);
 113             fail();
 114         } catch (Exception e) {
 115             assertEquals("Unable to query VNFM info for myVnfmId", e.getMessage());
 116             verify(logger).error(eq("Unable to query VNFM info for myVnfmId"), any(RuntimeException.class));
 117         }
 118     }
 119
 120     class TestClass extends GenericExternalSystemInfoProvider {
 121
 122         TestClass(Environment environment) {
 123             super(environment);
 124         }
 125
 126         @Override
 127         public VnfmInfo queryVnfmInfoFromSource(String vnfmId) {
 128             return null;
 129         }
 130
 131         @Override
 132         public VimInfo getVimInfo(String vimId) {
 133             return null;
 134         }
 135     }
 136 }