// =================================================================================================
// Copyright 2011 Twitter, Inc.
// -------------------------------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this work except in compliance with the License.
// You may obtain a copy of the License in the LICENSE file, or 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 com.twitter.common.thrift;
import java.io.IOException;
import org.apache.thrift.TException;
import org.apache.thrift.TProcessor;
import org.apache.thrift.transport.TNonblockingServerSocket;
import org.apache.thrift.transport.TTransportException;
import org.junit.Before;
import org.junit.Test;
import junit.framework.TestCase;
import com.twitter.thrift.Status;
import static org.easymock.EasyMock.createMock;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
/**
* Tests functionality of the ThriftServer.
*
* @author William Farner
*/
public class ThriftServerTest extends TestCase {
private FakeServer testServer;
private ThriftServer.ServerSetup serverSetup;
private static final String SERVER_NAME = "Test";
private static final String SERVER_VERSION = "test-version";
@Before
public void setUp() throws IOException {
testServer = new FakeServer();
serverSetup = new ThriftServer.ServerSetup(0,
createMock(TProcessor.class), null);
}
@Test
public void testCorrectName() throws TException {
assertThat(testServer.getName(), is(SERVER_NAME));
}
@Test
public void testCorrectVersion() throws TException {
assertThat(testServer.getVersion(), is(SERVER_VERSION));
}
@Test
public void testStartingStatus() throws TException {
assertThat(testServer.getStatus(), is(Status.STARTING));
}
@Test
public void testStart() throws TException {
testServer.start(serverSetup);
assertThat(testServer.getStatus(), is(Status.ALIVE));
}
@Test
public void testFailedStart() throws TException {
testServer.failStart = true;
testServer.start(serverSetup);
assertThat(testServer.getStatus(), is(Status.DEAD));
}
@Test
public void testShutdown() throws TException {
testServer.start(serverSetup);
testServer.shutdown();
assertThat(testServer.getStatus(), is(Status.STOPPED));
}
@Test
public void testVetoedShutdown() throws TException {
testServer.start(serverSetup);
testServer.vetoShutdown = true;
testServer.shutdown();
assertThat(testServer.getStatus(), is(Status.WARNING));
}
@Test
public void testImmediateShutdown() throws TException {
testServer.shutdown();
assertThat(testServer.getStatus(), is(Status.STOPPED));
}
@Test
public void testGetServerSocketFor() throws TTransportException {
TNonblockingServerSocket ephemeralThriftSocket = new TNonblockingServerSocket(0);
try {
assertTrue(ThriftServer.getServerSocketFor(ephemeralThriftSocket).getLocalPort() > 0);
} finally {
ephemeralThriftSocket.close();
}
}
private class FakeServer extends ThriftServer {
public boolean failStart = false;
public boolean vetoShutdown = false;
public FakeServer() {
super(SERVER_NAME, SERVER_VERSION);
}
@Override
protected void doStart(ServerSetup setup) throws TTransportException {
if (failStart) throw new TTransportException("Injected failure.");
}
@Override
public void tryShutdown() throws Exception {
if (vetoShutdown) throw new Exception("Injected failure.");
assertThat(testServer.getStatus(), is(Status.STOPPING));
}
}
}