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/*
* Copyright (c) 2017 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.hc2vpp.nat.write;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import io.fd.hc2vpp.common.test.write.WriterCustomizerTest;
import io.fd.hc2vpp.nat.NatTestSchemaContext;
import io.fd.hc2vpp.nat.util.MappingEntryContext;
import io.fd.honeycomb.test.tools.HoneycombTestRunner;
import io.fd.honeycomb.test.tools.annotations.InjectTestData;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.vpp.jvpp.snat.dto.SnatAddStaticMapping;
import io.fd.vpp.jvpp.snat.dto.SnatAddStaticMappingReply;
import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.NatConfig;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.NatInstances;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstance;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstanceKey;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.MappingTable;
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.MappingEntryKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
@RunWith(HoneycombTestRunner.class)
public class MappingEntryCustomizerTest extends WriterCustomizerTest implements NatTestSchemaContext {
private static final long NAT_INSTANCE_ID = 1;
private static final long MAPPING_ID = 22;
private static final InstanceIdentifier<MappingEntry> IID = InstanceIdentifier.create(NatConfig.class)
.child(NatInstances.class).child(NatInstance.class, new NatInstanceKey(NAT_INSTANCE_ID))
.child(MappingTable.class).child(MappingEntry.class, new MappingEntryKey(MAPPING_ID));
private static final String MAPPING_TABLE_PATH = "/ietf-nat:nat-config/ietf-nat:nat-instances/"
+ "ietf-nat:nat-instance[ietf-nat:id='" + NAT_INSTANCE_ID + "']/ietf-nat:mapping-table";
@Mock
private FutureJVppSnatFacade jvppSnat;
@Mock
private MappingEntryContext mappingContext;
private MappingEntryCustomizer customizer;
@Override
public void setUpTest() {
customizer = new MappingEntryCustomizer(jvppSnat, mappingContext);
when(jvppSnat.snatAddStaticMapping(any())).thenReturn(future(new SnatAddStaticMappingReply()));
}
@Test
public void testWrite(
@InjectTestData(resourcePath = "/nat/static-mapping.json", id = MAPPING_TABLE_PATH) MappingTable data)
throws WriteFailedException {
customizer.writeCurrentAttributes(IID, extractMappingEntry(data), writeContext);
final SnatAddStaticMapping expectedRequest = getExpectedRequest();
expectedRequest.isAdd = 1;
verify(jvppSnat).snatAddStaticMapping(expectedRequest);
}
@Test(expected = IllegalArgumentException.class)
public void testWriteUnsupportedProtocol(
@InjectTestData(resourcePath = "/nat/static-mapping-unsupported-proto.json", id = MAPPING_TABLE_PATH) MappingTable data)
throws WriteFailedException {
customizer.writeCurrentAttributes(IID, extractMappingEntry(data), writeContext);
}
@Test
public void testUpdate(
@InjectTestData(resourcePath = "/nat/static-mapping.json", id = MAPPING_TABLE_PATH) MappingTable before,
@InjectTestData(resourcePath = "/nat/static-mapping-address-update.json", id = MAPPING_TABLE_PATH) MappingTable after)
throws WriteFailedException {
customizer.updateCurrentAttributes(IID, extractMappingEntry(before), extractMappingEntry(after), writeContext);
final SnatAddStaticMapping expectedDeleteRequest = getExpectedRequest();
verify(jvppSnat).snatAddStaticMapping(expectedDeleteRequest);
final SnatAddStaticMapping expectedUpdateRequest = getExpectedUpdateRequest();
expectedUpdateRequest.isAdd = 1;
verify(jvppSnat).snatAddStaticMapping(expectedUpdateRequest);
}
@Test
public void testDelete(
@InjectTestData(resourcePath = "/nat/static-mapping.json", id = MAPPING_TABLE_PATH) MappingTable data)
throws WriteFailedException {
customizer.deleteCurrentAttributes(IID, extractMappingEntry(data), writeContext);
verify(jvppSnat).snatAddStaticMapping(getExpectedRequest());
}
private static MappingEntry extractMappingEntry(MappingTable data) {
// assumes single nat instance and single mapping entry
return data.getMappingEntry().get(0);
}
private static SnatAddStaticMapping getExpectedRequest() {
final SnatAddStaticMapping expectedRequest = new SnatAddStaticMapping();
expectedRequest.isIp4 = 1;
expectedRequest.addrOnly = 1;
expectedRequest.protocol = 17; // udp
expectedRequest.vrfId = (int) NAT_INSTANCE_ID;
expectedRequest.externalSwIfIndex = -1;
expectedRequest.localIpAddress = new byte[] {(byte) 192, (byte) 168, 1, 87};
expectedRequest.externalIpAddress = new byte[] {45, 1, 5, 7};
return expectedRequest;
}
private static SnatAddStaticMapping getExpectedUpdateRequest() {
final SnatAddStaticMapping expectedRequest = new SnatAddStaticMapping();
expectedRequest.isIp4 = 1;
expectedRequest.addrOnly = 1;
expectedRequest.protocol = 17; // udp
expectedRequest.vrfId = (int) NAT_INSTANCE_ID;
expectedRequest.externalSwIfIndex = -1;
expectedRequest.localIpAddress = new byte[] {(byte) 192, (byte) 168, 1, 86};
expectedRequest.externalIpAddress = new byte[] {45, 1, 5, 6};
return expectedRequest;
}
}
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