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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.ifc;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.never;
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.common.translate.util.NamingContext;
import io.fd.jvpp.nat.dto.Nat44InterfaceAddDelFeature;
import io.fd.jvpp.nat.dto.Nat44InterfaceAddDelFeatureReply;
import io.fd.jvpp.nat.dto.Nat44InterfaceAddDelOutputFeature;
import io.fd.jvpp.nat.dto.Nat44InterfaceAddDelOutputFeatureReply;
import io.fd.jvpp.nat.dto.Nat64AddDelInterface;
import io.fd.jvpp.nat.dto.Nat64AddDelInterfaceReply;
import io.fd.jvpp.nat.future.FutureJVppNatFacade;
import io.fd.jvpp.nat.types.InterfaceIndex;
import io.fd.jvpp.nat.types.NatConfigFlags;
import org.junit.Test;
import org.mockito.Mock;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang._interface.nat.rev190527.InterfaceNatVppFeatureAttributes;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang._interface.nat.rev190527._interface.nat.attributes.nat.Inbound;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang._interface.nat.rev190527._interface.nat.attributes.nat.Outbound;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
abstract class AbstractNatCustomizerTest<D extends InterfaceNatVppFeatureAttributes & DataObject, T extends AbstractInterfaceNatCustomizer<D>>
extends WriterCustomizerTest implements ByteDataTranslator {
private static final String IFC_CTX_NAME = "ifc-test-instance";
private static final String IFACE_NAME = "eth0";
private static final int IFACE_ID = 123;
private T customizer;
@Mock
private FutureJVppNatFacade natApi;
private NamingContext ifcNamingCtx = new NamingContext("generatedIfaceName", IFC_CTX_NAME);
@Override
public void setUpTest() {
customizer = getCustomizer(natApi, ifcNamingCtx);
defineMapping(mappingContext, IFACE_NAME, IFACE_ID, IFC_CTX_NAME);
when(natApi.nat44InterfaceAddDelFeature(any())).thenReturn(future(new Nat44InterfaceAddDelFeatureReply()));
when(natApi.nat44InterfaceAddDelOutputFeature(any()))
.thenReturn(future(new Nat44InterfaceAddDelOutputFeatureReply()));
when(natApi.nat64AddDelInterface(any())).thenReturn(future(new Nat64AddDelInterfaceReply()));
}
@Test
public void testWritePreRouting() throws Exception {
final D data = getPreRoutingConfig();
customizer.writeCurrentAttributes(getIId(IFACE_NAME), data, writeContext);
verifyPreRouting(data, true);
}
@Test
public void testWritePostRouting() throws Exception {
final D data = getPostRoutingConfig();
customizer.writeCurrentAttributes(getIId(IFACE_NAME), data, writeContext);
verify(natApi).nat44InterfaceAddDelOutputFeature(expectedPostRoutingRequest(data, true));
verify(natApi, never()).nat64AddDelInterface(any()); // VPP does not support it currently
}
@Test(expected = UnsupportedOperationException.class)
public void testUpdatePreRouting() throws Exception {
customizer.updateCurrentAttributes(getIId(IFACE_NAME), getPreRoutingConfig(), getPreRoutingConfig(),
writeContext);
}
@Test(expected = UnsupportedOperationException.class)
public void testUpdatePostRouting() throws Exception {
customizer.updateCurrentAttributes(getIId(IFACE_NAME), getPostRoutingConfig(), getPostRoutingConfig(),
writeContext);
}
@Test
public void testDeletePreRouting() throws Exception {
final D data = getPreRoutingConfig();
customizer.deleteCurrentAttributes(getIId(IFACE_NAME), data, writeContext);
verifyPreRouting(data, false);
}
@Test
public void testDeletePostRouting() throws Exception {
final D data = getPostRoutingConfig();
customizer.deleteCurrentAttributes(getIId(IFACE_NAME), data, writeContext);
verify(natApi).nat44InterfaceAddDelOutputFeature(expectedPostRoutingRequest(data, false));
verify(natApi, never()).nat64AddDelInterface(any()); // VPP does not support it currently
}
private void verifyPreRouting(final D data, final boolean isAdd) {
if (data.isNat44Support()) {
verify(natApi).nat44InterfaceAddDelFeature(expectedPreRoutingNat44Request(data, isAdd));
} else {
verify(natApi, never()).nat44InterfaceAddDelFeature(any());
}
if (data.isNat64Support() != null && data.isNat64Support()) {
verify(natApi).nat64AddDelInterface(expectedPreRoutingNat64Request(data, isAdd));
} else {
verify(natApi, never()).nat64AddDelInterface(any());
}
}
private Nat44InterfaceAddDelFeature expectedPreRoutingNat44Request(final D data, boolean isAdd) {
Nat44InterfaceAddDelFeature request = new Nat44InterfaceAddDelFeature();
request.flags = new NatConfigFlags();
if (data instanceof Inbound) {
request.flags.add(NatConfigFlags.NatConfigFlagsOptions.NAT_IS_INSIDE);
} else if (data instanceof Outbound) {
request.flags.add(NatConfigFlags.NatConfigFlagsOptions.NAT_IS_OUTSIDE);
}
request.swIfIndex = new InterfaceIndex();
request.swIfIndex.interfaceindex = IFACE_ID;
request.isAdd = isAdd;
return request;
}
private Nat64AddDelInterface expectedPreRoutingNat64Request(final D data, boolean isAdd) {
Nat64AddDelInterface request = new Nat64AddDelInterface();
request.flags = new NatConfigFlags();
if (data instanceof Inbound) {
request.flags.add(NatConfigFlags.NatConfigFlagsOptions.NAT_IS_INSIDE);
} else if (data instanceof Outbound) {
request.flags.add(NatConfigFlags.NatConfigFlagsOptions.NAT_IS_OUTSIDE);
}
request.swIfIndex = new InterfaceIndex();
request.swIfIndex.interfaceindex = IFACE_ID;
request.isAdd = isAdd;
return request;
}
private Nat44InterfaceAddDelOutputFeature expectedPostRoutingRequest(final D data, boolean isAdd) {
Nat44InterfaceAddDelOutputFeature request = new Nat44InterfaceAddDelOutputFeature();
request.flags = new NatConfigFlags();
if (data instanceof Inbound) {
request.flags.add(NatConfigFlags.NatConfigFlagsOptions.NAT_IS_INSIDE);
} else if (data instanceof Outbound) {
request.flags.add(NatConfigFlags.NatConfigFlagsOptions.NAT_IS_OUTSIDE);
}
request.swIfIndex = new InterfaceIndex();
request.swIfIndex.interfaceindex = IFACE_ID;
request.isAdd = isAdd;
return request;
}
protected abstract D getPreRoutingConfig();
protected abstract D getPostRoutingConfig();
protected abstract InstanceIdentifier<D> getIId(final String ifaceName);
protected abstract T getCustomizer(final FutureJVppNatFacade natApi, final NamingContext ifcNamingCtx);
}
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