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/*
* Copyright (c) 2016 Cisco and/or its affiliates.
*
* 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 io.fd.honeycomb.nat.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertSame;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.mockito.MockitoAnnotations.initMocks;
import com.google.common.base.Optional;
import com.google.common.collect.Lists;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.honeycomb.translate.vpp.util.Ipv4Translator;
import io.fd.vpp.jvpp.snat.dto.SnatStaticMappingDetails;
import java.util.Collections;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.mapping.entry.context.attributes.nat.mapping.entry.context.nat.instance.MappingTableBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntryBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntryKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
@SuppressWarnings("unchecked")
public class MappingEntryContextTest implements Ipv4Translator {
private MappingEntryContext ctx = new MappingEntryContext();
@Mock
private MappingContext mappingCtx;
@Before
public void setUp() throws Exception {
initMocks(this);
}
@Test
public void testAdd() throws Exception {
when(mappingCtx.read(any(InstanceIdentifier.class))).thenReturn(Optional.absent());
final long natId = 7;
final long entryId = 99;
final MappingEntry entry = getEntry(natId, "192.168.1.5", "17.14.4.6");
ctx.addEntry(natId, entryId, entry, mappingCtx);
verify(mappingCtx).put(MappingEntryContext.getId(natId, MappingEntryContext.entryToKey(entry)), MappingEntryContext.toCtxMapEntry(entry, entryId));
}
@Test
public void testRemove() throws Exception {
final long natId = 0;
final MappingEntry entry = getEntry(natId, "192.168.1.5", "17.14.4.6");
ctx.removeEntry(natId, entry, mappingCtx);
verify(mappingCtx).delete(MappingEntryContext.getId(natId, MappingEntryContext.entryToKey(entry)));
}
@Test
public void testGetExistingIndex() throws Exception {
final long natId = 0;
final long entryId = 12;
final MappingEntry entry = getEntry(entryId, "192.168.1.5", "17.14.4.6");
final SnatStaticMappingDetails details = getDetails(entryId, "192.168.1.5", "17.14.4.6");
when(mappingCtx.read(MappingEntryContext.getId(natId, MappingEntryContext.entryToKey(entry))))
.thenReturn(Optional.of(MappingEntryContext.toCtxMapEntry(entry, entryId)));
assertEquals(12, ctx.getStoredOrArtificialIndex(natId, details, mappingCtx));
verify(mappingCtx).read(MappingEntryContext.getId(natId, MappingEntryContext.entryToKey(entry)));
}
@Test
public void testFindDetails() throws Exception {
final long natId = 0;
final MappingEntry entry = getEntry(0, "192.168.1.5", "17.14.4.6");
final SnatStaticMappingDetails details = getDetails(0, "192.168.1.5", "17.14.4.6");
final MappingEntry entry2 = getEntry(1, "192.168.1.8", "17.14.4.10");
final SnatStaticMappingDetails details2 = getDetails(1, "192.168.1.8", "17.14.4.10");
final List<SnatStaticMappingDetails> someDetails = Lists.newArrayList(details, details2);
when(mappingCtx.read(MappingEntryContext.getTableId(natId)))
.thenReturn(Optional.of(new MappingTableBuilder()
.setMappingEntry(Lists.newArrayList(
MappingEntryContext.toCtxMapEntry(entry, 0),
MappingEntryContext.toCtxMapEntry(entry2, 1)))
.build()));
assertSame(details, ctx.findDetails(someDetails, natId, 0, mappingCtx));
}
@Test(expected = IllegalStateException.class)
public void testFindDetailsNoMappingStored() throws Exception {
final long natId = 0;
final long entryId = 12;
final SnatStaticMappingDetails details = getDetails(entryId, "192.168.1.5", "17.14.4.6");
final List<SnatStaticMappingDetails> someDetails = Lists.newArrayList(details);
when(mappingCtx.read(MappingEntryContext.getTableId(natId))).thenReturn(Optional.absent());
ctx.findDetails(someDetails, natId, entryId, mappingCtx);
}
@Test(expected = IllegalStateException.class)
public void testFindDetailsNoMappingStored2() throws Exception {
final long natId = 0;
final long entryId = 12;
final SnatStaticMappingDetails details = getDetails(entryId, "192.168.1.5", "17.14.4.6");
final List<SnatStaticMappingDetails> someDetails = Lists.newArrayList(details);
when(mappingCtx.read(MappingEntryContext.getTableId(natId)))
.thenReturn(Optional.of(new MappingTableBuilder().setMappingEntry(Collections.emptyList()).build()));
ctx.findDetails(someDetails, natId, entryId, mappingCtx);
}
@Test
public void testGetArtificialIndex() throws Exception {
final long natId = 0;
final long entryId = 0;
final MappingEntry entry = getEntry(entryId, "192.168.1.5", "17.14.4.6");
final long entryId2 = 55;
final MappingEntry entry2 = getEntry(entryId2, "192.168.1.6", "17.14.4.7");
final long entryId3 = 18954;
final MappingEntry entry3 = getEntry(entryId3, "192.168.1.7", "17.14.4.8");
final long entryId4 = 18955;
final MappingEntry entry4 = getEntry(entryId4, "192.168.1.8", "17.14.4.9");
final long newEntryId = 18956;
final MappingEntry newEntry = getEntry(newEntryId, "192.168.1.99", "17.14.4.99");
final SnatStaticMappingDetails newDetails = getDetails(newEntryId, "192.168.1.99", "17.14.4.99");
when(mappingCtx.read(MappingEntryContext.getId(natId, MappingEntryContext.entryToKey(newEntry))))
.thenReturn(Optional.absent());
when(mappingCtx.read(MappingEntryContext.getTableId(natId)))
.thenReturn(Optional.of(new MappingTableBuilder()
.setMappingEntry(Lists.newArrayList(
MappingEntryContext.toCtxMapEntry(entry, entryId),
MappingEntryContext.toCtxMapEntry(entry3, entryId3),
MappingEntryContext.toCtxMapEntry(entry4, entryId4),
MappingEntryContext.toCtxMapEntry(entry2, entryId2)))
.build()));
assertFalse(ctx.getStoredIndex(natId, newEntry, mappingCtx).isPresent());
assertEquals(newEntryId, ctx.getStoredOrArtificialIndex(natId, newDetails, mappingCtx));
}
private SnatStaticMappingDetails getDetails(final long vrfId, final String localIp, final String externIp) {
final SnatStaticMappingDetails snatStaticMappingDetails = new SnatStaticMappingDetails();
snatStaticMappingDetails.vrfId = (int) vrfId;
snatStaticMappingDetails.addrOnly = 1;
snatStaticMappingDetails.isIp4 = 1;
snatStaticMappingDetails.localIpAddress = ipv4AddressNoZoneToArray(localIp);
snatStaticMappingDetails.externalIpAddress = ipv4AddressNoZoneToArray(externIp);
return snatStaticMappingDetails;
}
@Test(expected = IllegalArgumentException.class)
public void testAddExisting() throws Exception {
final long natId = 7;
final long entryId = 99;
final MappingEntry entry = getEntry(natId, "192.168.1.5", "17.14.4.6");
final org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.mapping.entry.context.attributes.nat.mapping.entry.context.nat.instance.mapping.table.MappingEntry
data = MappingEntryContext.toCtxMapEntry(entry, entryId);
when(mappingCtx.read(any(InstanceIdentifier.class))).thenReturn(Optional.of(data));
ctx.addEntry(natId, entryId, entry, mappingCtx);
}
private static MappingEntry getEntry(final long id, final String longernalIpv4, final String externalIpv4) {
return new MappingEntryBuilder()
.setKey(new MappingEntryKey(id))
.setType(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.MappingEntry.Type.Static)
.setInternalSrcAddress(new IpAddress(new Ipv4Address(longernalIpv4)))
.setExternalSrcAddress(new Ipv4Address(externalIpv4))
.build();
}
}
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