Decouple config and netconf subsystems.
[controller.git] / opendaylight / netconf / sal-netconf-connector / src / test / java / org / opendaylight / controller / sal / connect / netconf / NetconfDeviceTest.java
diff --git a/opendaylight/netconf/sal-netconf-connector/src/test/java/org/opendaylight/controller/sal/connect/netconf/NetconfDeviceTest.java b/opendaylight/netconf/sal-netconf-connector/src/test/java/org/opendaylight/controller/sal/connect/netconf/NetconfDeviceTest.java
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+/*
+ * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.sal.connect.netconf;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyCollectionOf;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.timeout;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+import com.google.common.base.Optional;
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.Iterables;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
+import com.google.common.util.concurrent.Futures;
+import java.io.InputStream;
+import java.net.InetSocketAddress;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
+import org.opendaylight.controller.config.util.xml.XmlUtil;
+import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
+import org.opendaylight.controller.md.sal.dom.spi.DefaultDOMRpcResult;
+import org.opendaylight.controller.netconf.api.NetconfMessage;
+import org.opendaylight.controller.netconf.api.xml.XmlNetconfConstants;
+import org.opendaylight.controller.sal.connect.api.MessageTransformer;
+import org.opendaylight.controller.sal.connect.api.RemoteDeviceHandler;
+import org.opendaylight.controller.sal.connect.netconf.listener.NetconfDeviceCommunicator;
+import org.opendaylight.controller.sal.connect.netconf.listener.NetconfSessionPreferences;
+import org.opendaylight.controller.sal.connect.netconf.sal.NetconfDeviceRpc;
+import org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil;
+import org.opendaylight.controller.sal.connect.util.RemoteDeviceId;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.model.api.Module;
+import org.opendaylight.yangtools.yang.model.api.ModuleImport;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+import org.opendaylight.yangtools.yang.model.repo.api.MissingSchemaSourceException;
+import org.opendaylight.yangtools.yang.model.repo.api.SchemaContextFactory;
+import org.opendaylight.yangtools.yang.model.repo.api.SchemaResolutionException;
+import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
+import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
+import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistration;
+import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
+import org.opendaylight.yangtools.yang.parser.impl.YangParserImpl;
+
+public class NetconfDeviceTest {
+
+    private static final NetconfMessage notification;
+
+    private static final ContainerNode compositeNode;
+
+    static {
+        try {
+            compositeNode = mockClass(ContainerNode.class);
+        } catch (final Exception e) {
+            throw new RuntimeException(e);
+        }
+        try {
+            notification = new NetconfMessage(XmlUtil.readXmlToDocument(NetconfDeviceTest.class.getResourceAsStream("/notification-payload.xml")));
+        } catch (Exception e) {
+            throw new ExceptionInInitializerError(e);
+        }
+    }
+
+    private static final DOMRpcResult rpcResultC = new DefaultDOMRpcResult(compositeNode);
+
+    public static final String TEST_NAMESPACE = "test:namespace";
+    public static final String TEST_MODULE = "test-module";
+    public static final String TEST_REVISION = "2013-07-22";
+    public static final SourceIdentifier TEST_SID = new SourceIdentifier(TEST_MODULE, Optional.of(TEST_REVISION));
+    public static final String TEST_CAPABILITY = TEST_NAMESPACE + "?module=" + TEST_MODULE + "&revision=" + TEST_REVISION;
+
+    public static final SourceIdentifier TEST_SID2 = new SourceIdentifier(TEST_MODULE + "2", Optional.of(TEST_REVISION));
+    public static final String TEST_CAPABILITY2 = TEST_NAMESPACE + "?module=" + TEST_MODULE + "2" + "&revision=" + TEST_REVISION;
+
+    private static final NetconfStateSchemas.NetconfStateSchemasResolver stateSchemasResolver = new NetconfStateSchemas.NetconfStateSchemasResolver() {
+
+        @Override
+        public NetconfStateSchemas resolve(final NetconfDeviceRpc deviceRpc, final NetconfSessionPreferences remoteSessionCapabilities, final RemoteDeviceId id) {
+            return NetconfStateSchemas.EMPTY;
+        }
+    };
+
+    @Test
+    public void testNetconfDeviceFailFirstSchemaFailSecondEmpty() throws Exception {
+        final ArrayList<String> capList = Lists.newArrayList(TEST_CAPABILITY);
+
+        final RemoteDeviceHandler<NetconfSessionPreferences> facade = getFacade();
+        final NetconfDeviceCommunicator listener = getListener();
+
+        final SchemaContextFactory schemaFactory = getSchemaFactory();
+
+        // Make fallback attempt to fail due to empty resolved sources
+        final SchemaResolutionException schemaResolutionException
+                = new SchemaResolutionException("fail first",
+                Collections.<SourceIdentifier>emptyList(), HashMultimap.<SourceIdentifier, ModuleImport>create());
+        doReturn(Futures.immediateFailedCheckedFuture(
+                schemaResolutionException))
+                .when(schemaFactory).createSchemaContext(anyCollectionOf(SourceIdentifier.class));
+
+        final NetconfDevice.SchemaResourcesDTO schemaResourcesDTO
+                = new NetconfDevice.SchemaResourcesDTO(getSchemaRegistry(), schemaFactory, stateSchemasResolver);
+        final NetconfDevice device = new NetconfDevice(schemaResourcesDTO, getId(), facade, getExecutor(),true);
+        // Monitoring not supported
+        final NetconfSessionPreferences sessionCaps = getSessionCaps(false, capList);
+        device.onRemoteSessionUp(sessionCaps, listener);
+
+        Mockito.verify(facade, Mockito.timeout(5000)).onDeviceDisconnected();
+        Mockito.verify(listener, Mockito.timeout(5000)).close();
+        Mockito.verify(schemaFactory, times(1)).createSchemaContext(anyCollectionOf(SourceIdentifier.class));
+    }
+
+    @Test
+    public void testNetconfDeviceMissingSource() throws Exception {
+        final RemoteDeviceHandler<NetconfSessionPreferences> facade = getFacade();
+        final NetconfDeviceCommunicator listener = getListener();
+        final SchemaContext schema = getSchema();
+
+        final SchemaContextFactory schemaFactory = getSchemaFactory();
+
+        // Make fallback attempt to fail due to empty resolved sources
+        final MissingSchemaSourceException schemaResolutionException = new MissingSchemaSourceException("fail first", TEST_SID);
+        doAnswer(new Answer<Object>() {
+            @Override
+            public Object answer(final InvocationOnMock invocation) throws Throwable {
+                if(((Collection<?>) invocation.getArguments()[0]).size() == 2) {
+                    return Futures.immediateFailedCheckedFuture(schemaResolutionException);
+                } else {
+                    return Futures.immediateCheckedFuture(schema);
+                }
+            }
+        }).when(schemaFactory).createSchemaContext(anyCollectionOf(SourceIdentifier.class));
+
+        final NetconfStateSchemas.NetconfStateSchemasResolver stateSchemasResolver = new NetconfStateSchemas.NetconfStateSchemasResolver() {
+            @Override
+            public NetconfStateSchemas resolve(final NetconfDeviceRpc deviceRpc, final NetconfSessionPreferences remoteSessionCapabilities, final RemoteDeviceId id) {
+                final Module first = Iterables.getFirst(schema.getModules(), null);
+                final QName qName = QName.create(first.getQNameModule(), first.getName());
+                final NetconfStateSchemas.RemoteYangSchema source1 = new NetconfStateSchemas.RemoteYangSchema(qName);
+                final NetconfStateSchemas.RemoteYangSchema source2 = new NetconfStateSchemas.RemoteYangSchema(QName.create(first.getQNameModule(), "test-module2"));
+                return new NetconfStateSchemas(Sets.newHashSet(source1, source2));
+            }
+        };
+
+        final NetconfDevice.SchemaResourcesDTO schemaResourcesDTO
+                = new NetconfDevice.SchemaResourcesDTO(getSchemaRegistry(), schemaFactory, stateSchemasResolver);
+
+        final NetconfDevice device = new NetconfDevice(schemaResourcesDTO, getId(), facade, getExecutor(), true);
+        // Monitoring supported
+        final NetconfSessionPreferences sessionCaps = getSessionCaps(true, Lists.newArrayList(TEST_CAPABILITY, TEST_CAPABILITY2));
+        device.onRemoteSessionUp(sessionCaps, listener);
+
+        Mockito.verify(facade, Mockito.timeout(5000)).onDeviceConnected(any(SchemaContext.class), any(NetconfSessionPreferences.class), any(NetconfDeviceRpc.class));
+        Mockito.verify(schemaFactory, times(2)).createSchemaContext(anyCollectionOf(SourceIdentifier.class));
+    }
+
+    private SchemaSourceRegistry getSchemaRegistry() {
+        final SchemaSourceRegistry mock = mock(SchemaSourceRegistry.class);
+        final SchemaSourceRegistration<?> mockReg = mock(SchemaSourceRegistration.class);
+        doNothing().when(mockReg).close();
+        doReturn(mockReg).when(mock).registerSchemaSource(any(org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceProvider.class), any(PotentialSchemaSource.class));
+        return mock;
+    }
+
+    @Test
+    public void testNotificationBeforeSchema() throws Exception {
+        final RemoteDeviceHandler<NetconfSessionPreferences> facade = getFacade();
+        final NetconfDeviceCommunicator listener = getListener();
+
+        final NetconfDevice.SchemaResourcesDTO schemaResourcesDTO
+                = new NetconfDevice.SchemaResourcesDTO(getSchemaRegistry(), getSchemaFactory(), stateSchemasResolver);
+        final NetconfDevice device = new NetconfDevice(schemaResourcesDTO, getId(), facade, getExecutor(), true);
+
+        device.onNotification(notification);
+        device.onNotification(notification);
+
+        verify(facade, times(0)).onNotification(any(DOMNotification.class));
+
+        final NetconfSessionPreferences sessionCaps = getSessionCaps(true,
+                Lists.newArrayList(TEST_CAPABILITY));
+
+        final DOMRpcService deviceRpc = mock(DOMRpcService.class);
+
+        device.handleSalInitializationSuccess(NetconfToNotificationTest.getNotificationSchemaContext(getClass()), sessionCaps, deviceRpc);
+
+        verify(facade, timeout(10000).times(2)).onNotification(any(DOMNotification.class));
+
+        device.onNotification(notification);
+        verify(facade, timeout(10000).times(3)).onNotification(any(DOMNotification.class));
+    }
+
+    @Test
+    public void testNetconfDeviceReconnect() throws Exception {
+        final RemoteDeviceHandler<NetconfSessionPreferences> facade = getFacade();
+        final NetconfDeviceCommunicator listener = getListener();
+
+        final SchemaContextFactory schemaContextProviderFactory = getSchemaFactory();
+
+        final NetconfDevice.SchemaResourcesDTO schemaResourcesDTO
+                = new NetconfDevice.SchemaResourcesDTO(getSchemaRegistry(), schemaContextProviderFactory, stateSchemasResolver);
+        final NetconfDevice device = new NetconfDevice(schemaResourcesDTO, getId(), facade, getExecutor(), true);
+        final NetconfSessionPreferences sessionCaps = getSessionCaps(true,
+                Lists.newArrayList(TEST_NAMESPACE + "?module=" + TEST_MODULE + "&amp;revision=" + TEST_REVISION));
+        device.onRemoteSessionUp(sessionCaps, listener);
+
+        verify(schemaContextProviderFactory, timeout(5000)).createSchemaContext(any(Collection.class));
+        verify(facade, timeout(5000)).onDeviceConnected(any(SchemaContext.class), any(NetconfSessionPreferences.class), any(DOMRpcService.class));
+
+        device.onRemoteSessionDown();
+        verify(facade, timeout(5000)).onDeviceDisconnected();
+
+        device.onRemoteSessionUp(sessionCaps, listener);
+
+        verify(schemaContextProviderFactory, timeout(5000).times(2)).createSchemaContext(any(Collection.class));
+        verify(facade, timeout(5000).times(2)).onDeviceConnected(any(SchemaContext.class), any(NetconfSessionPreferences.class), any(DOMRpcService.class));
+    }
+
+    private SchemaContextFactory getSchemaFactory() {
+        final SchemaContextFactory schemaFactory = mockClass(SchemaContextFactory.class);
+        doReturn(Futures.immediateCheckedFuture(getSchema())).when(schemaFactory).createSchemaContext(any(Collection.class));
+        return schemaFactory;
+    }
+
+    public static SchemaContext getSchema() {
+        final YangParserImpl parser = new YangParserImpl();
+        final List<InputStream> modelsToParse = Lists.newArrayList(
+                NetconfDeviceTest.class.getResourceAsStream("/schemas/test-module.yang")
+        );
+        final Set<Module> models = parser.parseYangModelsFromStreams(modelsToParse);
+        return parser.resolveSchemaContext(models);
+    }
+
+    private RemoteDeviceHandler<NetconfSessionPreferences> getFacade() throws Exception {
+        final RemoteDeviceHandler<NetconfSessionPreferences> remoteDeviceHandler = mockCloseableClass(RemoteDeviceHandler.class);
+        doNothing().when(remoteDeviceHandler).onDeviceConnected(any(SchemaContext.class), any(NetconfSessionPreferences.class), any(NetconfDeviceRpc.class));
+        doNothing().when(remoteDeviceHandler).onDeviceDisconnected();
+        doNothing().when(remoteDeviceHandler).onNotification(any(DOMNotification.class));
+        return remoteDeviceHandler;
+    }
+
+    private <T extends AutoCloseable> T mockCloseableClass(final Class<T> remoteDeviceHandlerClass) throws Exception {
+        final T mock = mockClass(remoteDeviceHandlerClass);
+        doNothing().when(mock).close();
+        return mock;
+    }
+
+    private static <T> T mockClass(final Class<T> remoteDeviceHandlerClass) {
+        final T mock = mock(remoteDeviceHandlerClass);
+        Mockito.doReturn(remoteDeviceHandlerClass.getSimpleName()).when(mock).toString();
+        return mock;
+    }
+
+    public RemoteDeviceId getId() {
+        return new RemoteDeviceId("test-D", InetSocketAddress.createUnresolved("localhost", 22));
+    }
+
+    public ExecutorService getExecutor() {
+        return Executors.newSingleThreadExecutor();
+    }
+
+    public MessageTransformer<NetconfMessage> getMessageTransformer() throws Exception {
+        final MessageTransformer<NetconfMessage> messageTransformer = mockClass(MessageTransformer.class);
+        doReturn(notification).when(messageTransformer).toRpcRequest(any(SchemaPath.class), any(NormalizedNode.class));
+        doReturn(rpcResultC).when(messageTransformer).toRpcResult(any(NetconfMessage.class), any(SchemaPath.class));
+        doReturn(compositeNode).when(messageTransformer).toNotification(any(NetconfMessage.class));
+        return messageTransformer;
+    }
+
+    public NetconfSessionPreferences getSessionCaps(final boolean addMonitor, final Collection<String> additionalCapabilities) {
+        final ArrayList<String> capabilities = Lists.newArrayList(
+                XmlNetconfConstants.URN_IETF_PARAMS_NETCONF_BASE_1_0,
+                XmlNetconfConstants.URN_IETF_PARAMS_NETCONF_BASE_1_1);
+
+        if(addMonitor) {
+            capabilities.add(NetconfMessageTransformUtil.IETF_NETCONF_MONITORING.getNamespace().toString());
+        }
+
+        capabilities.addAll(additionalCapabilities);
+
+        return NetconfSessionPreferences.fromStrings(
+                capabilities);
+    }
+
+    public NetconfDeviceCommunicator getListener() throws Exception {
+        final NetconfDeviceCommunicator remoteDeviceCommunicator = mockCloseableClass(NetconfDeviceCommunicator.class);
+//        doReturn(Futures.immediateFuture(rpcResult)).when(remoteDeviceCommunicator).sendRequest(any(NetconfMessage.class), any(QName.class));
+        return remoteDeviceCommunicator;
+    }
+}