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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.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import io.fd.hc2vpp.common.test.write.WriterCustomizerTest;
import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
import io.fd.hc2vpp.nat.NatTestSchemaContext;
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.Nat64AddDelPoolAddrRange;
import io.fd.vpp.jvpp.snat.dto.Nat64AddDelPoolAddrRangeReply;
import io.fd.vpp.jvpp.snat.dto.SnatAddAddressRange;
import io.fd.vpp.jvpp.snat.dto.SnatAddAddressRangeReply;
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.parameters.ExternalIpAddressPool;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.ExternalIpAddressPoolKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
@RunWith(HoneycombTestRunner.class)
public class ExternalIpPoolCustomizerTest extends WriterCustomizerTest implements NatTestSchemaContext,
ByteDataTranslator {
private static final long NAT_INSTANCE_ID = 0;
private static final long POOL_ID = 22;
private static final InstanceIdentifier<ExternalIpAddressPool> IID = InstanceIdentifier.create(NatConfig.class)
.child(NatInstances.class).child(NatInstance.class, new NatInstanceKey(NAT_INSTANCE_ID))
.child(ExternalIpAddressPool.class, new ExternalIpAddressPoolKey(POOL_ID));
private static final String NAT_INSTANCES_PATH = "/ietf-nat:nat-config/ietf-nat:nat-instances";
@Mock
private FutureJVppSnatFacade jvppSnat;
private ExternalIpPoolCustomizer customizer;
@Override
public void setUpTest() {
customizer = new ExternalIpPoolCustomizer(jvppSnat);
when(jvppSnat.snatAddAddressRange(any())).thenReturn(future(new SnatAddAddressRangeReply()));
when(jvppSnat.nat64AddDelPoolAddrRange(any())).thenReturn(future(new Nat64AddDelPoolAddrRangeReply()));
}
@Test
public void testWriteNat44(
@InjectTestData(resourcePath = "/nat44/external-ip-pool.json", id = NAT_INSTANCES_PATH) NatInstances data)
throws WriteFailedException {
customizer.writeCurrentAttributes(IID, extractIpPool(data), writeContext);
final SnatAddAddressRange expectedRequest = getExpectedRequestNat44(true);
verify(jvppSnat).snatAddAddressRange(expectedRequest);
}
@Test
public void testWriteNat64(
@InjectTestData(resourcePath = "/nat64/external-ip-pool.json", id = NAT_INSTANCES_PATH) NatInstances data)
throws WriteFailedException {
customizer.writeCurrentAttributes(IID, extractIpPool(data), writeContext);
final Nat64AddDelPoolAddrRange expectedRequest = getExpectedRequestNat64(true);
verify(jvppSnat).nat64AddDelPoolAddrRange(expectedRequest);
}
@Test(expected = UnsupportedOperationException.class)
public void testUpdateNat44() throws WriteFailedException {
final ExternalIpAddressPool data = mock(ExternalIpAddressPool.class);
customizer.updateCurrentAttributes(IID, data, data, writeContext);
}
@Test
public void testDeleteNat44(
@InjectTestData(resourcePath = "/nat44/external-ip-pool.json", id = NAT_INSTANCES_PATH) NatInstances data)
throws WriteFailedException {
customizer.deleteCurrentAttributes(IID, extractIpPool(data), writeContext);
final SnatAddAddressRange expectedRequest = getExpectedRequestNat44(false);
verify(jvppSnat).snatAddAddressRange(expectedRequest);
}
@Test
public void testDeleteNat64(
@InjectTestData(resourcePath = "/nat64/external-ip-pool.json", id = NAT_INSTANCES_PATH) NatInstances data)
throws WriteFailedException {
customizer.deleteCurrentAttributes(IID, extractIpPool(data), writeContext);
final Nat64AddDelPoolAddrRange expectedRequest = getExpectedRequestNat64(false);
verify(jvppSnat).nat64AddDelPoolAddrRange(expectedRequest);
}
private static ExternalIpAddressPool extractIpPool(NatInstances data) {
// assumes single nat instance and single ip pool
return data.getNatInstance().get(0).getExternalIpAddressPool().get(0);
}
private SnatAddAddressRange getExpectedRequestNat44(final boolean isAdd) {
final SnatAddAddressRange expectedRequest = new SnatAddAddressRange();
expectedRequest.isAdd = booleanToByte(isAdd);
expectedRequest.isIp4 = 1;
expectedRequest.firstIpAddress = new byte[] {(byte) 192, (byte) 168, 1, 0};
expectedRequest.lastIpAddress = new byte[] {(byte) 192, (byte) 168, 1, (byte) 255};
return expectedRequest;
}
private Nat64AddDelPoolAddrRange getExpectedRequestNat64(final boolean isAdd) {
final Nat64AddDelPoolAddrRange expectedRequest = new Nat64AddDelPoolAddrRange();
expectedRequest.isAdd = booleanToByte(isAdd);
expectedRequest.startAddr = new byte[] {(byte) 192, (byte) 168, 1, 0};
expectedRequest.endAddr = new byte[] {(byte) 192, (byte) 168, 1, (byte) 255};
return expectedRequest;
}
}
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