HONEYCOMB-36: vhost user interfaces CRUD support

Change-Id: I1c16cf71fa450fe5079b4af8b1e24bdc921a6e82
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

1 files changed, 274 insertions, 0 deletions

diff --git a/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VhostUserCustomizerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VhostUserCustomizerTest.java
new file mode 100644
index 000000000..076df6783
--- /dev/null
+++ b/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/VhostUserCustomizerTest.java
@@ -0,0 +1,274 @@
+/*
+ * Copyright (c) 2016 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.honeycomb.v3po.translate.v3po.interfaces;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static org.mockito.MockitoAnnotations.initMocks;
+
+import io.fd.honeycomb.v3po.translate.Context;
+import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext;
+import io.fd.honeycomb.v3po.translate.v3po.util.VppApiInvocationException;
+import io.fd.honeycomb.v3po.translate.v3po.utils.V3poUtils;
+import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionStage;
+import java.util.concurrent.ExecutionException;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VhostUserRole;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.VhostUser;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.VhostUserBuilder;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.openvpp.jvpp.dto.CreateVhostUserIf;
+import org.openvpp.jvpp.dto.CreateVhostUserIfReply;
+import org.openvpp.jvpp.dto.DeleteVhostUserIf;
+import org.openvpp.jvpp.dto.DeleteVhostUserIfReply;
+import org.openvpp.jvpp.dto.ModifyVhostUserIf;
+import org.openvpp.jvpp.dto.ModifyVhostUserIfReply;
+import org.openvpp.jvpp.future.FutureJVpp;
+
+public class VhostUserCustomizerTest {
+
+    @Mock
+    private FutureJVpp api;
+    @Mock
+    private Context ctx;
+
+    private NamingContext namingContext;
+    private VhostUserCustomizer customizer;
+    private static final int IFACE_ID = 1;
+    private static final String IFACE_NAME = "eth0";
+    private static final InstanceIdentifier<VhostUser> ID =
+            InstanceIdentifier.create(Interfaces.class).child(Interface.class, new InterfaceKey(IFACE_NAME))
+                    .augmentation(VppInterfaceAugmentation.class).child(VhostUser.class);
+
+    @Before
+    public void setUp() throws Exception {
+        initMocks(this);
+        namingContext = new NamingContext("generatedInterfaceName");
+        // TODO create base class for tests using vppApi
+        customizer = new VhostUserCustomizer(api, namingContext);
+    }
+
+    private void whenCreateVhostUserIfThen(final int retval) throws ExecutionException, InterruptedException {
+        final CompletionStage<CreateVhostUserIfReply> replyCS = mock(CompletionStage.class);
+        final CompletableFuture<CreateVhostUserIfReply> replyFuture = mock(CompletableFuture.class);
+        when(replyCS.toCompletableFuture()).thenReturn(replyFuture);
+        final CreateVhostUserIfReply reply = new CreateVhostUserIfReply();
+        reply.retval = retval;
+        when(replyFuture.get()).thenReturn(reply);
+        when(api.createVhostUserIf(any(CreateVhostUserIf.class))).thenReturn(replyCS);
+    }
+
+    private void whenCreateVhostUserIfThenSuccess() throws ExecutionException, InterruptedException {
+        whenCreateVhostUserIfThen(0);
+    }
+
+    private void whenVxlanAddDelTunnelThenFailure() throws ExecutionException, InterruptedException {
+        whenCreateVhostUserIfThen(-1);
+    }
+
+    private void whenModifyVhostUserIfThen(final int retval) throws ExecutionException, InterruptedException {
+        final CompletionStage<ModifyVhostUserIfReply> replyCS = mock(CompletionStage.class);
+        final CompletableFuture<ModifyVhostUserIfReply> replyFuture = mock(CompletableFuture.class);
+        when(replyCS.toCompletableFuture()).thenReturn(replyFuture);
+        final ModifyVhostUserIfReply reply = new ModifyVhostUserIfReply();
+        reply.retval = retval;
+        when(replyFuture.get()).thenReturn(reply);
+        when(api.modifyVhostUserIf(any(ModifyVhostUserIf.class))).thenReturn(replyCS);
+    }
+
+    private void whenModifyVhostUserIfThenSuccess() throws ExecutionException, InterruptedException {
+        whenModifyVhostUserIfThen(0);
+    }
+
+    private void whenModifyVhostUserIfThenFailure() throws ExecutionException, InterruptedException {
+        whenModifyVhostUserIfThen(-1);
+    }
+
+    private void whenDeleteVhostUserIfThen(final int retval) throws ExecutionException, InterruptedException {
+        final CompletionStage<DeleteVhostUserIfReply> replyCS = mock(CompletionStage.class);
+        final CompletableFuture<DeleteVhostUserIfReply> replyFuture = mock(CompletableFuture.class);
+        when(replyCS.toCompletableFuture()).thenReturn(replyFuture);
+        final DeleteVhostUserIfReply reply = new DeleteVhostUserIfReply();
+        reply.retval = retval;
+        when(replyFuture.get()).thenReturn(reply);
+        when(api.deleteVhostUserIf(any(DeleteVhostUserIf.class))).thenReturn(replyCS);
+    }
+
+    private void whenDeleteVhostUserIfThenSuccess() throws ExecutionException, InterruptedException {
+        whenDeleteVhostUserIfThen(0);
+    }
+
+    private void whenDeleteVhostUserIfThenFailure() throws ExecutionException, InterruptedException {
+        whenDeleteVhostUserIfThen(-1);
+    }
+
+    private CreateVhostUserIf verifyCreateVhostUserIfWasInvoked(final VhostUser vhostUser) {
+        ArgumentCaptor<CreateVhostUserIf> argumentCaptor = ArgumentCaptor.forClass(CreateVhostUserIf.class);
+        verify(api).createVhostUserIf(argumentCaptor.capture());
+        final CreateVhostUserIf actual = argumentCaptor.getValue();
+        assertEquals(0, actual.customDevInstance);
+
+        assertEquals(V3poUtils.booleanToByte(VhostUserRole.Server.equals(vhostUser.getRole())), actual.isServer);
+        assertEquals(0, actual.renumber);
+        assertEquals(0, actual.useCustomMac);
+        assertArrayEquals(vhostUser.getSocket().getBytes(), actual.sockFilename);
+        assertNotNull(actual.macAddress);
+        return actual;
+    }
+
+    private ModifyVhostUserIf verifyModifyVhostUserIfWasInvoked(final VhostUser vhostUser, final int swIfIndex) {
+        ArgumentCaptor<ModifyVhostUserIf> argumentCaptor = ArgumentCaptor.forClass(ModifyVhostUserIf.class);
+        verify(api).modifyVhostUserIf(argumentCaptor.capture());
+        final ModifyVhostUserIf actual = argumentCaptor.getValue();
+        assertEquals(0, actual.customDevInstance);
+
+        assertEquals(V3poUtils.booleanToByte(VhostUserRole.Server.equals(vhostUser.getRole())), actual.isServer);
+        assertEquals(0, actual.renumber);
+        assertEquals(swIfIndex, actual.swIfIndex);
+        assertArrayEquals(vhostUser.getSocket().getBytes(), actual.sockFilename);
+        return actual;
+    }
+
+    private DeleteVhostUserIf verifyDeleteVhostUserIfWasInvoked(final int swIfIndex) {
+        ArgumentCaptor<DeleteVhostUserIf> argumentCaptor = ArgumentCaptor.forClass(DeleteVhostUserIf.class);
+        verify(api).deleteVhostUserIf(argumentCaptor.capture());
+        final DeleteVhostUserIf actual = argumentCaptor.getValue();
+        assertEquals(swIfIndex, actual.swIfIndex);
+        return actual;
+    }
+
+    private static VhostUser generateVhostUser(final VhostUserRole role, final String socketName) {
+        VhostUserBuilder builder = new VhostUserBuilder();
+        builder.setRole(role);
+        builder.setSocket(socketName);
+        return builder.build();
+    }
+
+    @Test
+    public void testWriteCurrentAttributes() throws Exception {
+        final VhostUser vhostUser = generateVhostUser(VhostUserRole.Server, "socketName");
+
+        whenCreateVhostUserIfThenSuccess();
+
+        customizer.writeCurrentAttributes(ID, vhostUser, ctx);
+        verifyCreateVhostUserIfWasInvoked(vhostUser);
+        assertTrue(namingContext.containsIndex(IFACE_NAME));
+    }
+
+    @Test
+    public void testWriteCurrentAttributesFailed() throws Exception {
+        final VhostUser vhostUser = generateVhostUser(VhostUserRole.Client, "socketName");
+
+        whenVxlanAddDelTunnelThenFailure();
+
+        try {
+            customizer.writeCurrentAttributes(ID, vhostUser, ctx);
+        } catch (WriteFailedException.CreateFailedException e) {
+            assertEquals(VppApiInvocationException.class, e.getCause().getClass());
+            verifyCreateVhostUserIfWasInvoked(vhostUser);
+            assertFalse(namingContext.containsIndex(IFACE_NAME));
+            return;
+        }
+        fail("WriteFailedException.CreateFailedException was expected");
+    }
+
+    @Test
+    public void testUpdateCurrentAttributes() throws Exception {
+        final VhostUser vhostUserBefore = generateVhostUser(VhostUserRole.Client, "socketName0");
+        final VhostUser vhostUserAfter = generateVhostUser(VhostUserRole.Server, "socketName1");
+        namingContext.addName(IFACE_ID, IFACE_NAME);
+
+        whenModifyVhostUserIfThenSuccess();
+
+        customizer.updateCurrentAttributes(ID, vhostUserBefore, vhostUserAfter, ctx);
+        verifyModifyVhostUserIfWasInvoked(vhostUserAfter, IFACE_ID);
+    }
+
+    @Test
+    public void testUpdateCurrentAttributesNoUpdate() throws Exception {
+        final VhostUser vhostUserBefore = generateVhostUser(VhostUserRole.Server, "socketName");
+        final VhostUser vhostUserAfter = generateVhostUser(VhostUserRole.Server, "socketName");
+        customizer.updateCurrentAttributes(ID, vhostUserBefore, vhostUserAfter, ctx);
+        verify(api, never()).modifyVhostUserIf(any(ModifyVhostUserIf.class));
+    }
+
+    @Test
+    public void testUpdateCurrentAttributesFailed() throws Exception {
+        final VhostUser vhostUserBefore = generateVhostUser(VhostUserRole.Client, "socketName0");
+        final VhostUser vhostUserAfter = generateVhostUser(VhostUserRole.Server, "socketName1");
+        namingContext.addName(IFACE_ID, IFACE_NAME);
+
+        whenModifyVhostUserIfThenFailure();
+
+        try {
+            customizer.updateCurrentAttributes(ID, vhostUserBefore, vhostUserAfter, ctx);
+        } catch (WriteFailedException.UpdateFailedException e) {
+            assertEquals(VppApiInvocationException.class, e.getCause().getClass());
+            verifyModifyVhostUserIfWasInvoked(vhostUserAfter, IFACE_ID);
+            return;
+        }
+        fail("WriteFailedException.UpdateFailedException was expected");
+    }
+
+    @Test
+    public void testDeleteCurrentAttributes() throws Exception {
+        final VhostUser vhostUser = generateVhostUser(VhostUserRole.Client, "socketName");
+        namingContext.addName(IFACE_ID, IFACE_NAME);
+
+        whenDeleteVhostUserIfThenSuccess();
+
+        customizer.deleteCurrentAttributes(ID, vhostUser, ctx);
+        verifyDeleteVhostUserIfWasInvoked(IFACE_ID);
+        assertFalse(namingContext.containsIndex(IFACE_NAME));
+    }
+
+    @Test
+    public void testDeleteCurrentAttributesFailed() throws Exception {
+        final VhostUser vhostUser = generateVhostUser(VhostUserRole.Client, "socketName");
+        namingContext.addName(IFACE_ID, IFACE_NAME);
+
+        whenDeleteVhostUserIfThenFailure();
+
+        try {
+            customizer.deleteCurrentAttributes(ID, vhostUser, ctx);
+        } catch (WriteFailedException.DeleteFailedException e) {
+            assertEquals(VppApiInvocationException.class, e.getCause().getClass());
+            verifyDeleteVhostUserIfWasInvoked(IFACE_ID);
+            assertTrue(namingContext.containsIndex(IFACE_NAME));
+            return;
+        }
+        fail("WriteFailedException.DeleteFailedException was expected");
+    }
+}
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