/drivers/sshj/src/test/java/org/jclouds/sshj/SshjSshClientTest.java
Java | 215 lines | 160 code | 31 blank | 24 comment | 0 complexity | 0482af3d633360d06b5b99d2daef3d98 MD5 | raw file
- /**
- * Licensed to jclouds, Inc. (jclouds) under one or more
- * contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. jclouds licenses this file
- * to you 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 org.jclouds.sshj;
- import static com.google.inject.name.Names.bindProperties;
- import static org.easymock.EasyMock.expect;
- import static org.easymock.EasyMock.expectLastCall;
- import static org.easymock.classextension.EasyMock.createMock;
- import static org.easymock.classextension.EasyMock.replay;
- import static org.easymock.classextension.EasyMock.verify;
- import java.io.IOException;
- import java.net.ConnectException;
- import java.net.SocketTimeoutException;
- import java.util.Properties;
- import java.util.logging.Level;
- import net.schmizz.sshj.SSHClient;
- import net.schmizz.sshj.common.SSHException;
- import net.schmizz.sshj.connection.ConnectionException;
- import net.schmizz.sshj.transport.TransportException;
- import net.schmizz.sshj.userauth.UserAuthException;
- import org.jclouds.domain.Credentials;
- import org.jclouds.logging.BufferLogger;
- import org.jclouds.logging.BufferLogger.Record;
- import org.jclouds.logging.slf4j.config.SLF4JLoggingModule;
- import org.jclouds.net.IPSocket;
- import org.jclouds.rest.AuthorizationException;
- import org.jclouds.ssh.SshClient;
- import org.jclouds.sshj.config.SshjSshClientModule;
- import org.testng.Assert;
- import org.testng.annotations.BeforeTest;
- import org.testng.annotations.Test;
- import com.google.inject.AbstractModule;
- import com.google.inject.Guice;
- import com.google.inject.Injector;
- import com.google.inject.Module;
- /**
- *
- * @author Adrian Cole
- */
- @Test
- public class SshjSshClientTest {
- protected SshjSshClient ssh;
- @BeforeTest
- public void setupSsh() {
- ssh = createClient();
- }
- protected SshjSshClient createClient() {
- return createClient(new Properties());
- }
- protected SshjSshClient createClient(final Properties props) {
- Injector i = Guice.createInjector(module(), new AbstractModule() {
- @Override
- protected void configure() {
- bindProperties(binder(), props);
- }
- }, new SLF4JLoggingModule());
- SshClient.Factory factory = i.getInstance(SshClient.Factory.class);
- SshjSshClient ssh = SshjSshClient.class.cast(factory.create(new IPSocket("localhost", 22), new Credentials(
- "username", "password")));
- return ssh;
- }
- protected Module module() {
- return new SshjSshClientModule();
- }
- @Test(expectedExceptions = AuthorizationException.class)
- public void testPropateConvertsAuthException() {
- ssh.propagate(new UserAuthException(""), "");
- }
- public void testExceptionClassesRetry() {
- assert ssh.shouldRetry(new ConnectionException("Read timed out", new SSHException("Read timed out",
- new SocketTimeoutException("Read timed out"))));
- assert ssh.shouldRetry(new SocketTimeoutException("connect timed out"));
- assert ssh.shouldRetry(new TransportException("socket closed"));
- assert ssh.shouldRetry(new ConnectionException("problem"));
- assert ssh.shouldRetry(new ConnectException("Connection refused"));
- assert !ssh.shouldRetry(new IOException("channel %s is not open", new NullPointerException()));
- }
- public void testOnlyRetryAuthWhenSet() {
- SshjSshClient ssh1 = createClient();
- assert !ssh1.shouldRetry(new AuthorizationException("problem", null));
- assert !ssh1.shouldRetry(new UserAuthException("problem", null));
- ssh1.retryAuth = true;
- assert ssh1.shouldRetry(new AuthorizationException("problem", null));
- assert ssh1.shouldRetry(new UserAuthException("problem", null));
- }
- public void testOnlyRetryAuthWhenSetViaProperties() {
- Properties props = new Properties();
- props.setProperty("jclouds.ssh.retry-auth", "true");
- SshjSshClient ssh1 = createClient(props);
- assert ssh1.shouldRetry(new AuthorizationException("problem", null));
- assert ssh1.shouldRetry(new UserAuthException("problem", null));
- }
- public void testExceptionMessagesRetry() {
- assert !ssh.shouldRetry(new SSHException(""));
- assert !ssh.shouldRetry(new NullPointerException((String) null));
- }
- public void testCausalChainHasMessageContaining() {
- assert ssh.causalChainHasMessageContaining(
- new SSHException("Session.connect: java.io.IOException: End of IO Stream Read")).apply(
- " End of IO Stream Read");
- assert ssh.causalChainHasMessageContaining(
- new SSHException("Session.connect: java.net.SocketException: Connection reset")).apply("java.net.Socket");
- assert !ssh.causalChainHasMessageContaining(new NullPointerException()).apply(" End of IO Stream Read");
- }
- public void testRetryOnToStringNpe() {
- Exception nex = new NullPointerException();
- Properties props = new Properties();
- // ensure we test toString on the exception independently
- props.setProperty("jclouds.ssh.retryable-messages", nex.toString());
- SshjSshClient ssh1 = createClient(props);
- assert ssh1.shouldRetry(new RuntimeException(nex));
- }
- private static class ExceptionWithStrangeToString extends RuntimeException {
- private static final long serialVersionUID = 1L;
- private static final String MESSAGE = "foo-bar-exception-tostring";
- public String toString() {
- return MESSAGE;
- }
- }
- public void testRetryOnToStringCustom() {
- Exception nex = new ExceptionWithStrangeToString();
- Properties props = new Properties();
- props.setProperty("jclouds.ssh.retryable-messages", "foo-bar");
- SshjSshClient ssh1 = createClient(props);
- assert ssh1.shouldRetry(new RuntimeException(nex));
- }
- public void testDontThrowIOExceptionOnClear() throws Exception {
- SshjSshClient ssh1 = createClient();
- SSHClient ssh = createMock(SSHClient.class);
- expect(ssh.isConnected()).andReturn(true);
- ssh.disconnect();
- expectLastCall().andThrow(new ConnectionException("disconnected"));
- replay(ssh);
- ssh1.ssh = ssh;
- ssh1.sshConnection.clear();
- verify(ssh);
- }
- public void testRetryNotOnToStringCustomMismatch() {
- Exception nex = new ExceptionWithStrangeToString();
- Properties props = new Properties();
- props.setProperty("jclouds.ssh.retryable-messages", "foo-baR");
- SshjSshClient ssh1 = createClient(props);
- assert !ssh1.shouldRetry(new RuntimeException(nex));
- }
- public void testRetriesLoggedAtInfoWithCount() throws Exception {
- @SuppressWarnings("unchecked")
- SshjSshClient.Connection<net.schmizz.sshj.SSHClient> mockConnection = createMock(SshjSshClient.Connection.class);
- net.schmizz.sshj.SSHClient mockClient = createMock(net.schmizz.sshj.SSHClient.class);
-
- mockConnection.clear(); expectLastCall();
- mockConnection.create(); expectLastCall().andThrow(new ConnectionException("test1"));
- mockConnection.clear(); expectLastCall();
- //currently does two clears, one on failure (above) and one on next iteration (below)
- mockConnection.clear(); expectLastCall();
- mockConnection.create(); expectLastCall().andReturn(mockClient);
- replay(mockConnection);
- replay(mockClient);
-
- ssh.sshConnection = mockConnection;
- BufferLogger logcheck = new BufferLogger(ssh.getClass().getCanonicalName());
- ssh.logger = logcheck;
- logcheck.setLevel(Level.INFO);
-
- ssh.connect();
-
- Assert.assertEquals(ssh.ssh, mockClient);
- verify(mockConnection);
- verify(mockClient);
- Record r = logcheck.assertLogContains("attempt 1 of 5");
- logcheck.assertLogDoesntContain("attempt 2 of 5");
- Assert.assertEquals(Level.INFO, r.getLevel());
- }
- }