HC2VPP-105: nat64 prefix configuration

Change-Id: I205fb426ab9c0e47ef40b81c2f6dcd397524f1eb
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>

1 files changed, 99 insertions, 0 deletions

diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/Nat64PrefixesCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/Nat64PrefixesCustomizerTest.java
new file mode 100644
index 000000000..63a3b4673
--- /dev/null
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/Nat64PrefixesCustomizerTest.java
@@ -0,0 +1,99 @@
+/*
+ * 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.vpp.jvpp.nat.dto.Nat64AddDelPrefix;
+import io.fd.vpp.jvpp.nat.dto.Nat64AddDelPrefixReply;
+import io.fd.vpp.jvpp.nat.future.FutureJVppNatFacade;
+import java.util.Collections;
+import org.junit.Test;
+import org.mockito.Mock;
+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.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.Nat64Prefixes;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.Nat64PrefixesBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.Nat64PrefixesKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.nat64.prefixes.DestinationIpv4Prefix;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class Nat64PrefixesCustomizerTest extends WriterCustomizerTest implements ByteDataTranslator {
+
+    private static final long VRF_ID = 123;
+
+    private static final InstanceIdentifier<NatInstance> NAT_INSTANCE_ID =
+            InstanceIdentifier.create(NatConfig.class).child(NatInstances.class).child(NatInstance.class, new NatInstanceKey(VRF_ID));
+
+    private static final Nat64Prefixes VALID_DATA = new Nat64PrefixesBuilder().setNat64Prefix(new Ipv6Prefix("2001:db8::/32")).build();
+
+    @Mock
+    private FutureJVppNatFacade jvppNat;
+
+    private Nat64PrefixesCustomizer customizer;
+
+    @Override
+    protected void setUpTest() throws Exception {
+        customizer = new Nat64PrefixesCustomizer(jvppNat);
+        when(jvppNat.nat64AddDelPrefix(any())).thenReturn(future(new Nat64AddDelPrefixReply()));
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testWriteNonZeroPrefixIdFails() throws Exception {
+        customizer.writeCurrentAttributes(getID(1), mock(Nat64Prefixes.class), writeContext);
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testWriteDestinationPrefixFails() throws Exception {
+        final Nat64Prefixes data = mock(Nat64Prefixes.class);
+        when(data.getDestinationIpv4Prefix()).thenReturn(Collections.singletonList(mock(DestinationIpv4Prefix.class)));
+        customizer.writeCurrentAttributes(getID(1), data, writeContext);
+    }
+
+    @Test
+    public void testWrite() throws Exception {
+        customizer.writeCurrentAttributes(getID(0), VALID_DATA, writeContext);
+        verify(jvppNat).nat64AddDelPrefix(expectedRequest(true));
+    }
+
+    @Test
+    public void testDelete() throws Exception {
+        customizer.deleteCurrentAttributes(getID(0), VALID_DATA, writeContext);
+        verify(jvppNat).nat64AddDelPrefix(expectedRequest(false));
+    }
+
+    private static InstanceIdentifier<Nat64Prefixes> getID(final long prefixId) {
+        return NAT_INSTANCE_ID.child(Nat64Prefixes.class, new Nat64PrefixesKey(prefixId));
+    }
+
+    private Nat64AddDelPrefix expectedRequest(final boolean isAdd) {
+        final Nat64AddDelPrefix request = new Nat64AddDelPrefix();
+        request.isAdd = booleanToByte(isAdd);
+        request.vrfId = (int) VRF_ID;
+        request.prefix = new byte[]{0x20, 0x01, 0x0d, (byte) 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+        request.prefixLen = 32;
+        return request;
+    }
+}
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