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diff --git a/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/read/TapV2CustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/read/TapV2CustomizerTest.java
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+++ b/v3po/v3po2vpp/src/test/java/io/fd/hc2vpp/v3po/read/TapV2CustomizerTest.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2018 Pantheon Technologies 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.v3po.read;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.mockito.Matchers.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.read.ReaderCustomizerTest;
+import io.fd.hc2vpp.common.test.util.InterfaceDumpHelper;
+import io.fd.hc2vpp.common.translate.util.Ipv4Translator;
+import io.fd.hc2vpp.common.translate.util.Ipv6Translator;
+import io.fd.hc2vpp.common.translate.util.MacTranslator;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.v3po.read.cache.InterfaceCacheDumpManager;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.jvpp.core.dto.SwInterfaceDetails;
+import io.fd.jvpp.core.dto.SwInterfaceTapV2Details;
+import io.fd.jvpp.core.dto.SwInterfaceTapV2DetailsReplyDump;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.VppInterfaceAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.TapV2;
+import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.v3po.rev190502.interfaces._interface.TapV2Builder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6AddressNoZone;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.Interfaces;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class TapV2CustomizerTest extends ReaderCustomizerTest<TapV2, TapV2Builder> implements InterfaceDumpHelper,
+ Ipv4Translator, Ipv6Translator, MacTranslator {
+
+ private static final String IFC_CTX_NAME = "ifc-test-instance";
+ private static final String IF_NAME = "tapV21";
+ private static final String DEVICE_NAME = "testTapV2Device";
+ private static final int IF_INDEX = 1;
+ private static final String HOST_BRIDGE = "TestBridge";
+ private static final String HOST_IPV4_PREFIX = "192.168.255.100";
+ private static final byte HOST_IPV4_PREFIX_LEN = 24;
+ private static final String HOST_IPV6_PREFIX = "a::100";
+ private static final byte HOST_IPV6_PREFIX_LEN = -128;
+ private static final int HOST_IPV6_PREFIX_LEN_EXP = 128;
+ private static final int RX_TX_RING_SIZE = 512;
+ private static final String HOST_MAC = "00:ee:ee:ee:ee:ee";
+ private static final String HOST_NAMESPACE = "testHostNS";
+
+ private static final InstanceIdentifier<TapV2> IID =
+ InstanceIdentifier.create(Interfaces.class).child(Interface.class, new InterfaceKey(IF_NAME))
+ .augmentation(VppInterfaceAugmentation.class).child(TapV2.class);
+ private NamingContext interfaceContext;
+
+ @Mock
+ private InterfaceCacheDumpManager dumpCacheManager;
+
+ public TapV2CustomizerTest() {
+ super(TapV2.class, VppInterfaceAugmentationBuilder.class);
+ }
+
+ @Override
+ protected void setUp() throws Exception {
+ interfaceContext = new NamingContext("generatedIfaceName", IFC_CTX_NAME);
+ defineMapping(mappingContext, IF_NAME, IF_INDEX, IFC_CTX_NAME);
+ when(dumpCacheManager.getInterfaceDetail(IID, ctx, IF_NAME)).thenReturn(ifaceDetails());
+ }
+
+ private SwInterfaceDetails ifaceDetails() {
+ final SwInterfaceDetails details = new SwInterfaceDetails();
+ details.swIfIndex = IF_INDEX;
+ details.interfaceName = IF_NAME.getBytes();
+ details.tag = new byte[64];
+ return details;
+ }
+
+ @Override
+ protected ReaderCustomizer<TapV2, TapV2Builder> initCustomizer() {
+ return new TapV2Customizer(api, interfaceContext, dumpCacheManager);
+ }
+
+ @Test
+ public void testRead() throws ReadFailedException {
+ final TapV2Builder builder = mock(TapV2Builder.class);
+ when(api.swInterfaceTapV2Dump(any())).thenReturn(future(tapDump()));
+ getCustomizer().readCurrentAttributes(IID, builder, ctx);
+ verify(builder).setHostInterfaceName(IF_NAME);
+ verify(builder).setDeviceName(DEVICE_NAME);
+ verify(builder).setHostBridge(HOST_BRIDGE);
+ verify(builder)
+ .setHostIpv4Address(new Ipv4Prefix(String.format("%s/%d", HOST_IPV4_PREFIX, HOST_IPV4_PREFIX_LEN)));
+ verify(builder)
+ .setHostIpv6Address(new Ipv6Prefix(String.format("%s/%d", HOST_IPV6_PREFIX, HOST_IPV6_PREFIX_LEN_EXP)));
+ verify(builder).setTxRingSize(RX_TX_RING_SIZE);
+ verify(builder).setRxRingSize(RX_TX_RING_SIZE);
+ verify(builder).setHostNamespace(HOST_NAMESPACE);
+ verify(builder).setHostMac(new PhysAddress(HOST_MAC));
+ }
+
+ @Test(expected = ReadFailedException.class)
+ public void testReadFailed() throws ReadFailedException {
+ when(api.swInterfaceTapV2Dump(any())).thenReturn(failedFuture());
+ getCustomizer().readCurrentAttributes(IID, mock(TapV2Builder.class), ctx);
+ }
+
+ private SwInterfaceTapV2DetailsReplyDump tapDump() {
+ final SwInterfaceTapV2DetailsReplyDump reply = new SwInterfaceTapV2DetailsReplyDump();
+ final SwInterfaceTapV2Details details = new SwInterfaceTapV2Details();
+ details.devName = DEVICE_NAME.getBytes(UTF_8);
+ details.swIfIndex = IF_INDEX;
+ details.hostBridge = HOST_BRIDGE.getBytes(UTF_8);
+ details.hostNamespace = HOST_NAMESPACE.getBytes(UTF_8);
+ details.hostIfName = IF_NAME.getBytes(UTF_8);
+ details.hostIp4PrefixLen = HOST_IPV4_PREFIX_LEN;
+ details.hostIp4Addr = ipv4AddressNoZoneToArray(HOST_IPV4_PREFIX);
+ details.hostIp6Addr = ipv6AddressNoZoneToArray(new Ipv6AddressNoZone(HOST_IPV6_PREFIX));
+ details.hostIp6PrefixLen = HOST_IPV6_PREFIX_LEN;
+ details.hostMacAddr = parseMac(HOST_MAC);
+ details.txRingSz = details.rxRingSz = RX_TX_RING_SIZE;
+ reply.swInterfaceTapV2Details.add(details);
+ return reply;
+ }
+}