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
  30 import static junit.framework.TestCase.assertEquals;
  31 import static junit.framework.TestCase.fail;
  32 import static org.mockito.Mockito.*;
  33
  34 public class TestGenericExternalSystemInfoProvider extends TestBase {
  35
  36     private GenericExternalSystemInfoProvider genericExternalSystemInfoProvider;
  37
  38     @Before
  39     public void init() {
  40         when(environment.getProperty(IpMappingProvider.IP_MAP, String.class, "")).thenReturn("");
  41         ReflectionTestUtils.setField(GenericExternalSystemInfoProvider.class, "logger", logger);
  42         genericExternalSystemInfoProvider = Mockito.spy(new TestClass(environment));
  43     }
  44
  45     /**
  46      * the VNFM info is not retrieved within the cache eviction period
  47      */
  48     @Test
  49     public void testQueryVnfmInfoWithin() throws Exception {
  50         VnfmInfo expectedVnfmInfo = Mockito.mock(VnfmInfo.class);
  51         when(genericExternalSystemInfoProvider.queryVnfmInfoFromSource(VNFM_ID)).thenReturn(expectedVnfmInfo);
  52         when(environment.getProperty(GenericExternalSystemInfoProvider.VNFM_INFO_CACHE_EVICTION_IN_MS, Long.class, valueOf(GenericExternalSystemInfoProvider.DEFAULT_CACHE_EVICTION_TIMEOUT_IN_MS))).thenReturn(Long.valueOf(1234));
  53         genericExternalSystemInfoProvider.afterPropertiesSet();
  54         //when
  55         VnfmInfo vnfmInfo = genericExternalSystemInfoProvider.getVnfmInfo(VNFM_ID);
  56         //verify
  57         verify(logger).info("Querying VNFM info from source with " + VNFM_ID + " identifier");
  58         assertEquals(expectedVnfmInfo, vnfmInfo);
  59         //when
  60         VnfmInfo vnfmInfo2 = genericExternalSystemInfoProvider.getVnfmInfo(VNFM_ID);
  61         //verify source system not called again
  62         verify(logger).info("Querying VNFM info from source with " + VNFM_ID + " identifier");
  63         verify(genericExternalSystemInfoProvider, Mockito.times(1)).queryVnfmInfoFromSource(VNFM_ID);
  64     }
  65
  66     /**
  67      * the VNFM info is retrieved without the cache eviction period
  68      */
  69     @Test
  70     //sleeping is required to make time pass (for cache to notice the change)
  71     //cache is configured with 1 ms cache eviction without sleep it is not
  72     //deterministic that at least 1 ms time will pass between calls
  73     @SuppressWarnings("squid:S2925")
  74     public void testQueryVnfmInfoOutside() throws Exception {
  75         VnfmInfo expectedVnfmInfo = Mockito.mock(VnfmInfo.class);
  76         when(genericExternalSystemInfoProvider.queryVnfmInfoFromSource(VNFM_ID)).thenReturn(expectedVnfmInfo);
  77         when(environment.getProperty(GenericExternalSystemInfoProvider.VNFM_INFO_CACHE_EVICTION_IN_MS, Long.class, valueOf(GenericExternalSystemInfoProvider.DEFAULT_CACHE_EVICTION_TIMEOUT_IN_MS))).thenReturn(Long.valueOf(1));
  78         genericExternalSystemInfoProvider.afterPropertiesSet();
  79         //when
  80         VnfmInfo vnfmInfo = genericExternalSystemInfoProvider.getVnfmInfo(VNFM_ID);
  81         //verify
  82         assertEquals(expectedVnfmInfo, vnfmInfo);
  83         //when
  84         Thread.sleep(10);
  85         VnfmInfo vnfmInfo2 = genericExternalSystemInfoProvider.getVnfmInfo(VNFM_ID);
  86         //verify source system called again
  87         verify(logger, times(2)).info("Querying VNFM info from source with " + VNFM_ID + " identifier");
  88         verify(genericExternalSystemInfoProvider, Mockito.times(2)).queryVnfmInfoFromSource(VNFM_ID);
  89     }
  90
  91     /**
  92      * Unable to query VNFM results is propagated
  93      */
  94     @Test
  95     public void testUnableToQueryVnfmInfoProvider() throws Exception {
  96         class TestClass extends GenericExternalSystemInfoProvider {
  97
  98             TestClass(Environment environment) {
  99                 super(environment);
 100             }
 101
 102             @Override
 103             public VnfmInfo queryVnfmInfoFromSource(String vnfmId) {
 104                 throw new RuntimeException();
 105             }
 106
 107             @Override
 108             public VimInfo getVimInfo(String vimId) {
 109                 return null;
 110             }
 111         }
 112         try {
 113             new TestClass(null).getVnfmInfo(VNFM_ID);
 114             fail();
 115         } catch (Exception e) {
 116             assertEquals("Unable to query VNFM info for myVnfmId", e.getMessage());
 117             verify(logger).error(eq("Unable to query VNFM info for myVnfmId"), any(RuntimeException.class));
 118         }
 119     }
 120
 121     class TestClass extends GenericExternalSystemInfoProvider {
 122
 123         TestClass(Environment environment) {
 124             super(environment);
 125         }
 126
 127         @Override
 128         public VnfmInfo queryVnfmInfoFromSource(String vnfmId) {
 129             return null;
 130         }
 131
 132         @Override
 133         public VimInfo getVimInfo(String vimId) {
 134             return null;
 135         }
 136     }
 137 }