2 * Copyright (c) 2014 Brocade Communications Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netconf.sal.connect.netconf.listener;
10 import static org.junit.Assert.assertEquals;
11 import static org.junit.Assert.assertFalse;
12 import static org.junit.Assert.assertNotNull;
13 import static org.junit.Assert.assertTrue;
14 import static org.mockito.ArgumentMatchers.any;
15 import static org.mockito.ArgumentMatchers.eq;
16 import static org.mockito.ArgumentMatchers.same;
17 import static org.mockito.Mockito.CALLS_REAL_METHODS;
18 import static org.mockito.Mockito.doNothing;
19 import static org.mockito.Mockito.doReturn;
20 import static org.mockito.Mockito.mock;
21 import static org.mockito.Mockito.never;
22 import static org.mockito.Mockito.reset;
23 import static org.mockito.Mockito.spy;
24 import static org.mockito.Mockito.timeout;
25 import static org.mockito.Mockito.verify;
26 import static org.mockito.Mockito.withSettings;
27 import static org.opendaylight.netconf.api.xml.XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0;
29 import com.google.common.base.CharMatcher;
30 import com.google.common.base.Strings;
31 import com.google.common.util.concurrent.ListenableFuture;
32 import io.netty.channel.Channel;
33 import io.netty.channel.ChannelFuture;
34 import io.netty.channel.EventLoopGroup;
35 import io.netty.channel.nio.NioEventLoopGroup;
36 import io.netty.util.HashedWheelTimer;
37 import io.netty.util.Timer;
38 import io.netty.util.concurrent.Future;
39 import io.netty.util.concurrent.GenericFutureListener;
40 import io.netty.util.concurrent.GlobalEventExecutor;
41 import java.io.ByteArrayInputStream;
42 import java.net.InetSocketAddress;
43 import java.util.ArrayList;
45 import java.util.UUID;
46 import java.util.concurrent.TimeUnit;
47 import java.util.concurrent.TimeoutException;
48 import javax.xml.parsers.ParserConfigurationException;
49 import org.junit.Before;
50 import org.junit.Test;
51 import org.junit.runner.RunWith;
52 import org.mockito.ArgumentCaptor;
53 import org.mockito.Mock;
54 import org.mockito.MockMakers;
55 import org.mockito.junit.MockitoJUnitRunner;
56 import org.opendaylight.netconf.api.NetconfMessage;
57 import org.opendaylight.netconf.api.NetconfTerminationReason;
58 import org.opendaylight.netconf.api.xml.XmlNetconfConstants;
59 import org.opendaylight.netconf.client.NetconfClientDispatcherImpl;
60 import org.opendaylight.netconf.client.NetconfClientSession;
61 import org.opendaylight.netconf.client.NetconfClientSessionListener;
62 import org.opendaylight.netconf.client.conf.NetconfClientConfiguration;
63 import org.opendaylight.netconf.client.conf.NetconfReconnectingClientConfiguration;
64 import org.opendaylight.netconf.client.conf.NetconfReconnectingClientConfigurationBuilder;
65 import org.opendaylight.netconf.nettyutil.ReconnectStrategy;
66 import org.opendaylight.netconf.nettyutil.TimedReconnectStrategy;
67 import org.opendaylight.netconf.nettyutil.handler.ssh.authentication.LoginPasswordHandler;
68 import org.opendaylight.netconf.sal.connect.api.RemoteDevice;
69 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceId;
70 import org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil;
71 import org.opendaylight.yangtools.util.xml.UntrustedXML;
72 import org.opendaylight.yangtools.yang.common.ErrorSeverity;
73 import org.opendaylight.yangtools.yang.common.ErrorTag;
74 import org.opendaylight.yangtools.yang.common.ErrorType;
75 import org.opendaylight.yangtools.yang.common.QName;
76 import org.opendaylight.yangtools.yang.common.RpcError;
77 import org.opendaylight.yangtools.yang.common.RpcResult;
78 import org.opendaylight.yangtools.yang.common.Uint32;
79 import org.slf4j.Logger;
80 import org.slf4j.LoggerFactory;
81 import org.w3c.dom.Document;
82 import org.w3c.dom.Element;
84 @RunWith(MockitoJUnitRunner.StrictStubs.class)
85 public class NetconfDeviceCommunicatorTest {
87 private static final Logger LOG = LoggerFactory.getLogger(NetconfDeviceCommunicatorTest.class);
88 private static final Uint32 SESSION_ID = Uint32.ONE;
91 RemoteDevice<NetconfDeviceCommunicator> mockDevice;
93 private NetconfClientSession spySession;
94 private NetconfDeviceCommunicator communicator;
97 public void setUp() throws Exception {
98 communicator = new NetconfDeviceCommunicator(
99 new RemoteDeviceId("test", InetSocketAddress.createUnresolved("localhost", 22)), mockDevice, 10);
100 // FIXME: spy() except we override the MockMaker in use
101 spySession = mock(NetconfClientSession.class, withSettings()
102 .spiedInstance(new NetconfClientSession(mock(NetconfClientSessionListener.class), mock(Channel.class),
103 SESSION_ID.toJava(), Set.of()))
104 .defaultAnswer(CALLS_REAL_METHODS)
105 .mockMaker(MockMakers.SUBCLASS));
108 void setupSession() {
109 doNothing().when(mockDevice).onRemoteSessionUp(any(NetconfSessionPreferences.class),
110 any(NetconfDeviceCommunicator.class));
111 communicator.onSessionUp(spySession);
114 private ListenableFuture<RpcResult<NetconfMessage>> sendRequest() throws Exception {
115 return sendRequest(UUID.randomUUID().toString(), true);
118 @SuppressWarnings("unchecked")
119 private ListenableFuture<RpcResult<NetconfMessage>> sendRequest(final String messageID,
120 final boolean doLastTest) throws Exception {
121 Document doc = UntrustedXML.newDocumentBuilder().newDocument();
122 Element element = doc.createElement("request");
123 element.setAttribute("message-id", messageID);
124 doc.appendChild(element);
125 NetconfMessage message = new NetconfMessage(doc);
127 ChannelFuture mockChannelFuture = mock(ChannelFuture.class);
128 doReturn(mockChannelFuture).when(mockChannelFuture)
129 .addListener(any(GenericFutureListener.class));
130 doReturn(mockChannelFuture).when(spySession).sendMessage(same(message));
132 ListenableFuture<RpcResult<NetconfMessage>> resultFuture =
133 communicator.sendRequest(message, QName.create("", "mockRpc"));
135 assertNotNull("ListenableFuture is null", resultFuture);
141 public void testOnSessionUp() {
142 final var testCapability = "urn:opendaylight:params:xml:ns:test?module=test-module&revision=2014-06-02";
143 final var serverCapabilities = Set.of(
144 NetconfMessageTransformUtil.NETCONF_ROLLBACK_ON_ERROR_URI.toString(),
145 NetconfMessageTransformUtil.IETF_NETCONF_MONITORING.getNamespace().toString(),
147 doReturn(serverCapabilities).when(spySession).getServerCapabilities();
149 final var netconfSessionPreferences = ArgumentCaptor.forClass(NetconfSessionPreferences.class);
150 doNothing().when(mockDevice).onRemoteSessionUp(netconfSessionPreferences.capture(), eq(communicator));
152 communicator.onSessionUp(spySession);
154 verify(spySession).getServerCapabilities();
155 verify(mockDevice).onRemoteSessionUp(netconfSessionPreferences.capture(), eq(communicator));
157 NetconfSessionPreferences actualCapabilites = netconfSessionPreferences.getValue();
158 assertTrue(actualCapabilites.containsNonModuleCapability(
159 NetconfMessageTransformUtil.NETCONF_ROLLBACK_ON_ERROR_URI.toString()));
160 assertFalse(actualCapabilites.containsNonModuleCapability(testCapability));
161 assertEquals(Set.of(QName.create("urn:opendaylight:params:xml:ns:test", "2014-06-02", "test-module")),
162 actualCapabilites.moduleBasedCaps().keySet());
163 assertTrue(actualCapabilites.isRollbackSupported());
164 assertTrue(actualCapabilites.isMonitoringSupported());
165 assertEquals(SESSION_ID, actualCapabilites.sessionId());
168 @SuppressWarnings("unchecked")
169 @Test(timeout = 5000)
170 public void testOnSessionDown() throws Exception {
173 ListenableFuture<RpcResult<NetconfMessage>> resultFuture1 = sendRequest();
174 final ListenableFuture<RpcResult<NetconfMessage>> resultFuture2 = sendRequest();
176 doNothing().when(mockDevice).onRemoteSessionDown();
178 communicator.onSessionDown(spySession, new Exception("mock ex"));
180 verifyErrorRpcResult(resultFuture1.get(), ErrorType.TRANSPORT, ErrorTag.OPERATION_FAILED);
181 verifyErrorRpcResult(resultFuture2.get(), ErrorType.TRANSPORT, ErrorTag.OPERATION_FAILED);
183 verify(mockDevice).onRemoteSessionDown();
187 communicator.onSessionDown(spySession, new Exception("mock ex"));
189 verify(mockDevice, never()).onRemoteSessionDown();
193 public void testOnSessionTerminated() throws Exception {
196 ListenableFuture<RpcResult<NetconfMessage>> resultFuture = sendRequest();
198 doNothing().when(mockDevice).onRemoteSessionDown();
200 String reasonText = "testing terminate";
201 NetconfTerminationReason reason = new NetconfTerminationReason(reasonText);
202 communicator.onSessionTerminated(spySession, reason);
204 RpcError rpcError = verifyErrorRpcResult(resultFuture.get(), ErrorType.TRANSPORT, ErrorTag.OPERATION_FAILED);
205 assertEquals("RpcError message", reasonText, rpcError.getMessage());
207 verify(mockDevice).onRemoteSessionDown();
211 public void testClose() throws Exception {
212 communicator.close();
213 verify(mockDevice, never()).onRemoteSessionDown();
216 @SuppressWarnings({"rawtypes", "unchecked"})
218 public void testSendRequest() throws Exception {
221 NetconfMessage message = new NetconfMessage(UntrustedXML.newDocumentBuilder().newDocument());
222 QName rpc = QName.create("", "mockRpc");
224 ArgumentCaptor<GenericFutureListener> futureListener =
225 ArgumentCaptor.forClass(GenericFutureListener.class);
227 ChannelFuture mockChannelFuture = mock(ChannelFuture.class);
228 doReturn(mockChannelFuture).when(mockChannelFuture).addListener(futureListener.capture());
229 doReturn(mockChannelFuture).when(spySession).sendMessage(same(message));
231 ListenableFuture<RpcResult<NetconfMessage>> resultFuture = communicator.sendRequest(message, rpc);
233 verify(spySession).sendMessage(same(message));
235 assertNotNull("ListenableFuture is null", resultFuture);
237 verify(mockChannelFuture).addListener(futureListener.capture());
238 Future<Void> operationFuture = mock(Future.class);
239 doReturn(true).when(operationFuture).isSuccess();
240 futureListener.getValue().operationComplete(operationFuture);
243 resultFuture.get(1, TimeUnit.MILLISECONDS); // verify it's not cancelled or has an error set
244 } catch (TimeoutException e) {
245 LOG.info("Operation failed due timeout.");
250 public void testSendRequestWithNoSession() throws Exception {
251 NetconfMessage message = new NetconfMessage(UntrustedXML.newDocumentBuilder().newDocument());
252 QName rpc = QName.create("", "mockRpc");
254 ListenableFuture<RpcResult<NetconfMessage>> resultFuture = communicator.sendRequest(message, rpc);
256 assertNotNull("ListenableFuture is null", resultFuture);
258 // Should have an immediate result
259 RpcResult<NetconfMessage> rpcResult = resultFuture.get(3, TimeUnit.MILLISECONDS);
261 verifyErrorRpcResult(rpcResult, ErrorType.TRANSPORT, ErrorTag.OPERATION_FAILED);
264 private static NetconfMessage createSuccessResponseMessage(final String messageID)
265 throws ParserConfigurationException {
266 Document doc = UntrustedXML.newDocumentBuilder().newDocument();
268 doc.createElementNS(URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0, XmlNetconfConstants.RPC_REPLY_KEY);
269 rpcReply.setAttribute("message-id", messageID);
270 Element element = doc.createElementNS("ns", "data");
271 element.setTextContent(messageID);
272 rpcReply.appendChild(element);
273 doc.appendChild(rpcReply);
275 return new NetconfMessage(doc);
278 @SuppressWarnings({ "rawtypes", "unchecked" })
280 public void testSendRequestWithWithSendFailure() throws Exception {
283 NetconfMessage message = new NetconfMessage(UntrustedXML.newDocumentBuilder().newDocument());
284 QName rpc = QName.create("", "mockRpc");
286 ArgumentCaptor<GenericFutureListener> futureListener =
287 ArgumentCaptor.forClass(GenericFutureListener.class);
289 ChannelFuture mockChannelFuture = mock(ChannelFuture.class);
290 doReturn(mockChannelFuture).when(mockChannelFuture).addListener(futureListener.capture());
291 doReturn(mockChannelFuture).when(spySession).sendMessage(same(message));
293 ListenableFuture<RpcResult<NetconfMessage>> resultFuture = communicator.sendRequest(message, rpc);
295 assertNotNull("ListenableFuture is null", resultFuture);
297 verify(mockChannelFuture).addListener(futureListener.capture());
299 Future<Void> operationFuture = mock(Future.class);
300 doReturn(false).when(operationFuture).isSuccess();
301 doReturn(new Exception("mock error")).when(operationFuture).cause();
302 futureListener.getValue().operationComplete(operationFuture);
304 // Should have an immediate result
305 RpcResult<NetconfMessage> rpcResult = resultFuture.get(3, TimeUnit.MILLISECONDS);
307 RpcError rpcError = verifyErrorRpcResult(rpcResult, ErrorType.TRANSPORT, ErrorTag.OPERATION_FAILED);
308 assertEquals("RpcError message contains \"mock error\"", true,
309 rpcError.getMessage().contains("mock error"));
312 //Test scenario verifying whether missing message is handled
314 public void testOnMissingResponseMessage() throws Exception {
318 String messageID1 = UUID.randomUUID().toString();
319 ListenableFuture<RpcResult<NetconfMessage>> resultFuture1 = sendRequest(messageID1, true);
321 String messageID2 = UUID.randomUUID().toString();
322 ListenableFuture<RpcResult<NetconfMessage>> resultFuture2 = sendRequest(messageID2, true);
324 String messageID3 = UUID.randomUUID().toString();
325 ListenableFuture<RpcResult<NetconfMessage>> resultFuture3 = sendRequest(messageID3, true);
327 //response messages 1,2 are omitted
328 communicator.onMessage(spySession, createSuccessResponseMessage(messageID3));
330 verifyResponseMessage(resultFuture3.get(), messageID3);
334 public void testOnSuccessfulResponseMessage() throws Exception {
337 String messageID1 = UUID.randomUUID().toString();
338 ListenableFuture<RpcResult<NetconfMessage>> resultFuture1 = sendRequest(messageID1, true);
340 String messageID2 = UUID.randomUUID().toString();
341 final ListenableFuture<RpcResult<NetconfMessage>> resultFuture2 = sendRequest(messageID2, true);
343 communicator.onMessage(spySession, createSuccessResponseMessage(messageID1));
344 communicator.onMessage(spySession, createSuccessResponseMessage(messageID2));
346 verifyResponseMessage(resultFuture1.get(), messageID1);
347 verifyResponseMessage(resultFuture2.get(), messageID2);
351 public void testOnResponseMessageWithError() throws Exception {
354 String messageID = UUID.randomUUID().toString();
355 ListenableFuture<RpcResult<NetconfMessage>> resultFuture = sendRequest(messageID, true);
357 communicator.onMessage(spySession, createErrorResponseMessage(messageID));
359 RpcError rpcError = verifyErrorRpcResult(resultFuture.get(), ErrorType.RPC, ErrorTag.MISSING_ATTRIBUTE);
360 assertEquals("RpcError message", "Missing attribute", rpcError.getMessage());
362 String errorInfo = rpcError.getInfo();
363 assertNotNull("RpcError info is null", errorInfo);
364 assertTrue("Error info contains \"foo\"", errorInfo.contains("<bad-attribute>foo</bad-attribute>"));
365 assertTrue("Error info contains \"bar\"", errorInfo.contains("<bad-element>bar</bad-element>"));
369 public void testOnResponseMessageWithMultipleErrors() throws Exception {
372 String messageID = UUID.randomUUID().toString();
373 ListenableFuture<RpcResult<NetconfMessage>> resultFuture = sendRequest(messageID, true);
375 communicator.onMessage(spySession, createMultiErrorResponseMessage(messageID));
377 RpcError rpcError = verifyErrorRpcResult(resultFuture.get(), ErrorType.PROTOCOL, ErrorTag.OPERATION_FAILED);
379 String errorInfo = rpcError.getInfo();
380 assertNotNull("RpcError info is null", errorInfo);
382 String errorInfoMessages = rpcError.getInfo();
383 String errMsg1 = "Number of member links configured, i.e [1], "
384 + "for interface [ae0]is lesser than the required minimum [2].";
385 String errMsg2 = "configuration check-out failed";
386 assertTrue(String.format("Error info contains \"%s\" or \"%s\'", errMsg1, errMsg2),
387 errorInfoMessages.contains(errMsg1) && errorInfoMessages.contains(errMsg2));
391 * Test whether reconnect is scheduled properly.
394 public void testNetconfDeviceReconnectInCommunicator() {
395 final RemoteDevice<NetconfDeviceCommunicator> device = mock(RemoteDevice.class);
397 final TimedReconnectStrategy timedReconnectStrategy =
398 new TimedReconnectStrategy(GlobalEventExecutor.INSTANCE, 10000, 0, 1.0, null, 100L, null);
399 final ReconnectStrategy reconnectStrategy = spy(new ReconnectStrategy() {
402 public int getConnectTimeout() throws Exception {
403 return timedReconnectStrategy.getConnectTimeout();
408 public Future<Void> scheduleReconnect(final Throwable cause) {
409 return timedReconnectStrategy.scheduleReconnect(cause);
414 public void reconnectSuccessful() {
415 timedReconnectStrategy.reconnectSuccessful();
419 final EventLoopGroup group = new NioEventLoopGroup();
420 final Timer time = new HashedWheelTimer();
422 final NetconfDeviceCommunicator listener = new NetconfDeviceCommunicator(
423 new RemoteDeviceId("test", InetSocketAddress.createUnresolved("localhost", 22)), device, 10);
424 final NetconfReconnectingClientConfiguration cfg = NetconfReconnectingClientConfigurationBuilder.create()
425 .withAddress(new InetSocketAddress("localhost", 65000))
426 .withReconnectStrategy(reconnectStrategy)
427 .withConnectStrategyFactory(() -> reconnectStrategy)
428 .withAuthHandler(new LoginPasswordHandler("admin", "admin"))
429 .withConnectionTimeoutMillis(10000)
430 .withProtocol(NetconfClientConfiguration.NetconfClientProtocol.SSH)
431 .withSessionListener(listener)
434 listener.initializeRemoteConnection(new NetconfClientDispatcherImpl(group, group, time), cfg);
436 verify(reconnectStrategy,
437 timeout(TimeUnit.MINUTES.toMillis(4)).times(101)).scheduleReconnect(any(Throwable.class));
440 group.shutdownGracefully();
445 public void testOnResponseMessageWithWrongMessageID() throws Exception {
448 String messageID = UUID.randomUUID().toString();
449 ListenableFuture<RpcResult<NetconfMessage>> resultFuture = sendRequest(messageID, true);
451 communicator.onMessage(spySession, createSuccessResponseMessage(UUID.randomUUID().toString()));
453 RpcError rpcError = verifyErrorRpcResult(resultFuture.get(), ErrorType.PROTOCOL, ErrorTag.BAD_ATTRIBUTE);
454 assertFalse("RpcError message non-empty", Strings.isNullOrEmpty(rpcError.getMessage()));
456 String errorInfo = rpcError.getInfo();
457 assertNotNull("RpcError info is null", errorInfo);
458 assertTrue("Error info contains \"actual-message-id\"", errorInfo.contains("actual-message-id"));
459 assertTrue("Error info contains \"expected-message-id\"", errorInfo.contains("expected-message-id"));
463 public void testConcurrentMessageLimit() throws Exception {
465 ArrayList<String> messageID = new ArrayList<>();
467 for (int i = 0; i < 10; i++) {
468 messageID.add(UUID.randomUUID().toString());
469 ListenableFuture<RpcResult<NetconfMessage>> resultFuture = sendRequest(messageID.get(i), false);
470 assertEquals("ListenableFuture is null", true, resultFuture instanceof UncancellableFuture);
473 final String notWorkingMessageID = UUID.randomUUID().toString();
474 ListenableFuture<RpcResult<NetconfMessage>> resultFuture = sendRequest(notWorkingMessageID, false);
475 assertEquals("ListenableFuture is null", false, resultFuture instanceof UncancellableFuture);
477 communicator.onMessage(spySession, createSuccessResponseMessage(messageID.get(0)));
479 resultFuture = sendRequest(messageID.get(0), false);
480 assertNotNull("ListenableFuture is null", resultFuture);
483 private static NetconfMessage createMultiErrorResponseMessage(final String messageID) throws Exception {
484 // multiple rpc-errors which simulate actual response like in NETCONF-666
485 String xmlStr = "<nc:rpc-reply xmlns:nc=\"urn:ietf:params:xml:ns:netconf:base:1.0\" xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\" xmlns:junos=\"http://xml.juniper.net/junos/18.4R1/junos\""
486 + " message-id=\"" + messageID + "\">"
488 + "<nc:error-type>protocol</nc:error-type>\n"
489 + "<nc:error-tag>operation-failed</nc:error-tag>\n"
490 + "<nc:error-severity>error</nc:error-severity>\n"
491 + "<source-daemon>\n"
493 + "</source-daemon>\n"
494 + "<nc:error-message>\n"
495 + "Number of member links configured, i.e [1], "
496 + "for interface [ae0]is lesser than the required minimum [2].\n"
497 + "</nc:error-message>\n"
498 + "</nc:rpc-error>\n"
500 + "<nc:error-type>protocol</nc:error-type>\n"
501 + "<nc:error-tag>operation-failed</nc:error-tag>\n"
502 + "<nc:error-severity>error</nc:error-severity>\n"
503 + "<nc:error-message>\n"
504 + "configuration check-out failed\n"
505 + "</nc:error-message>\n"
506 + "</nc:rpc-error>\n"
509 ByteArrayInputStream bis = new ByteArrayInputStream(xmlStr.getBytes());
510 Document doc = UntrustedXML.newDocumentBuilder().parse(bis);
511 return new NetconfMessage(doc);
514 private static NetconfMessage createErrorResponseMessage(final String messageID) throws Exception {
515 String xmlStr = "<rpc-reply xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\""
516 + " message-id=\"" + messageID + "\">"
518 + " <error-type>rpc</error-type>"
519 + " <error-tag>missing-attribute</error-tag>"
520 + " <error-severity>error</error-severity>"
521 + " <error-message>Missing attribute</error-message>"
523 + " <bad-attribute>foo</bad-attribute>"
524 + " <bad-element>bar</bad-element>"
529 ByteArrayInputStream bis = new ByteArrayInputStream(xmlStr.getBytes());
530 Document doc = UntrustedXML.newDocumentBuilder().parse(bis);
531 return new NetconfMessage(doc);
534 private static void verifyResponseMessage(final RpcResult<NetconfMessage> rpcResult, final String dataText) {
535 assertNotNull("RpcResult is null", rpcResult);
536 assertTrue("isSuccessful", rpcResult.isSuccessful());
537 NetconfMessage messageResult = rpcResult.getResult();
538 assertNotNull("getResult", messageResult);
539 // List<SimpleNode<?>> nodes = messageResult.getSimpleNodesByName(
540 // QName.create( URI.create( "ns" ), null, "data" ) );
541 // assertNotNull( "getSimpleNodesByName", nodes );
542 // assertEquals( "List<SimpleNode<?>> size", 1, nodes.size() );
543 // assertEquals( "SimpleNode value", dataText, nodes.iterator().next().getValue() );
546 private static RpcError verifyErrorRpcResult(final RpcResult<NetconfMessage> rpcResult,
547 final ErrorType expErrorType, final ErrorTag expErrorTag) {
548 assertNotNull("RpcResult is null", rpcResult);
549 assertFalse("isSuccessful", rpcResult.isSuccessful());
550 assertNotNull("RpcResult errors is null", rpcResult.getErrors());
551 assertEquals("Errors size", 1, rpcResult.getErrors().size());
552 RpcError rpcError = rpcResult.getErrors().iterator().next();
553 assertEquals("getErrorSeverity", ErrorSeverity.ERROR, rpcError.getSeverity());
554 assertEquals("getErrorType", expErrorType, rpcError.getErrorType());
555 assertEquals("getErrorTag", expErrorTag, rpcError.getTag());
557 final String msg = rpcError.getMessage();
558 assertNotNull("getMessage is null", msg);
559 assertFalse("getMessage is empty", msg.isEmpty());
560 assertFalse("getMessage is blank", CharMatcher.whitespace().matchesAllOf(msg));