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/*
* Copyright 2016-2017, Nokia Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.core;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.TestBase;
import org.onap.vnfmdriver.model.VimInfo;
import org.onap.vnfmdriver.model.VnfmInfo;
import org.springframework.core.env.Environment;
import org.springframework.test.util.ReflectionTestUtils;
import static java.lang.Long.valueOf;
import static junit.framework.TestCase.assertEquals;
import static junit.framework.TestCase.fail;
import static org.mockito.Mockito.*;
public class TestGenericExternalSystemInfoProvider extends TestBase {
private GenericExternalSystemInfoProvider genericExternalSystemInfoProvider;
@Before
public void init() {
when(environment.getProperty(IpMappingProvider.IP_MAP, String.class, "")).thenReturn("");
ReflectionTestUtils.setField(GenericExternalSystemInfoProvider.class, "logger", logger);
genericExternalSystemInfoProvider = Mockito.spy(new TestClass(environment));
}
/**
* the VNFM info is not retrieved within the cache eviction period
*/
@Test
public void testQueryVnfmInfoWithin() throws Exception {
VnfmInfo expectedVnfmInfo = Mockito.mock(VnfmInfo.class);
when(genericExternalSystemInfoProvider.queryVnfmInfoFromSource(VNFM_ID)).thenReturn(expectedVnfmInfo);
when(environment.getProperty(GenericExternalSystemInfoProvider.VNFM_INFO_CACHE_EVICTION_IN_MS, Long.class, valueOf(GenericExternalSystemInfoProvider.DEFAULT_CACHE_EVICTION_TIMEOUT_IN_MS))).thenReturn(Long.valueOf(1234));
genericExternalSystemInfoProvider.afterPropertiesSet();
//when
VnfmInfo vnfmInfo = genericExternalSystemInfoProvider.getVnfmInfo(VNFM_ID);
//verify
verify(logger).info("Querying VNFM info from source with " + VNFM_ID + " identifier");
assertEquals(expectedVnfmInfo, vnfmInfo);
//when
VnfmInfo vnfmInfo2 = genericExternalSystemInfoProvider.getVnfmInfo(VNFM_ID);
//verify source system not called again
verify(logger).info("Querying VNFM info from source with " + VNFM_ID + " identifier");
verify(genericExternalSystemInfoProvider, Mockito.times(1)).queryVnfmInfoFromSource(VNFM_ID);
}
/**
* the VNFM info is retrieved without the cache eviction period
*/
@Test
//sleeping is required to make time pass (for cache to notice the change)
//cache is configured with 1 ms cache eviction without sleep it is not
//deterministic that at least 1 ms time will pass between calls
@SuppressWarnings("squid:S2925")
public void testQueryVnfmInfoOutside() throws Exception {
VnfmInfo expectedVnfmInfo = Mockito.mock(VnfmInfo.class);
when(genericExternalSystemInfoProvider.queryVnfmInfoFromSource(VNFM_ID)).thenReturn(expectedVnfmInfo);
when(environment.getProperty(GenericExternalSystemInfoProvider.VNFM_INFO_CACHE_EVICTION_IN_MS, Long.class, valueOf(GenericExternalSystemInfoProvider.DEFAULT_CACHE_EVICTION_TIMEOUT_IN_MS))).thenReturn(Long.valueOf(1));
genericExternalSystemInfoProvider.afterPropertiesSet();
//when
VnfmInfo vnfmInfo = genericExternalSystemInfoProvider.getVnfmInfo(VNFM_ID);
//verify
assertEquals(expectedVnfmInfo, vnfmInfo);
//when
Thread.sleep(10);
VnfmInfo vnfmInfo2 = genericExternalSystemInfoProvider.getVnfmInfo(VNFM_ID);
//verify source system called again
verify(logger, times(2)).info("Querying VNFM info from source with " + VNFM_ID + " identifier");
verify(genericExternalSystemInfoProvider, Mockito.times(2)).queryVnfmInfoFromSource(VNFM_ID);
}
/**
* Unable to query VNFM results is propagated
*/
@Test
public void testUnableToQueryVnfmInfoProvider() throws Exception {
class TestClass extends GenericExternalSystemInfoProvider {
TestClass(Environment environment) {
super(environment);
}
@Override
public VnfmInfo queryVnfmInfoFromSource(String vnfmId) {
throw new RuntimeException();
}
@Override
public VimInfo getVimInfo(String vimId) {
return null;
}
}
try {
new TestClass(null).getVnfmInfo(VNFM_ID);
fail();
} catch (Exception e) {
assertEquals("Unable to query VNFM info for myVnfmId", e.getMessage());
verify(logger).error(eq("Unable to query VNFM info for myVnfmId"), any(RuntimeException.class));
}
}
class TestClass extends GenericExternalSystemInfoProvider {
TestClass(Environment environment) {
super(environment);
}
@Override
public VnfmInfo queryVnfmInfoFromSource(String vnfmId) {
return null;
}
@Override
public VimInfo getVimInfo(String vimId) {
return null;
}
}
}
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