/** Test that, if the socket factory throws an IOE, it properly propagates to the client. */
public void testSocketFactoryException() throws Exception {
SocketFactory mockFactory = mock(SocketFactory.class);
doThrow(new IOException("Injected fault")).when(mockFactory).createSocket();
Client client = new Client(LongWritable.class, conf, mockFactory);
InetSocketAddress address = new InetSocketAddress("127.0.0.1", 10);
try {
client.call(new LongWritable(RANDOM.nextLong()), address, null, null);
fail("Expected an exception to have been thrown");
} catch (IOException e) {
assertTrue(e.getMessage().contains("Injected fault"));
}
}
public void testStandAloneClient() throws Exception {
testParallel(10, false, 2, 4, 2, 4, 100);
Client client = new Client(LongWritable.class, conf);
InetSocketAddress address = new InetSocketAddress("127.0.0.1", 10);
try {
client.call(new LongWritable(RANDOM.nextLong()), address, null, null);
fail("Expected an exception to have been thrown");
} catch (IOException e) {
String message = e.getMessage();
String addressText = address.toString();
assertTrue("Did not find " + addressText + " in " + message, message.contains(addressText));
Throwable cause = e.getCause();
assertNotNull("No nested exception in " + e, cause);
String causeText = cause.getMessage();
assertTrue("Did not find " + causeText + " in " + message, message.contains(causeText));
}
}
public void testErrorClient() throws Exception {
// start server
Server server = new TestServer(1, false);
InetSocketAddress addr = NetUtils.getConnectAddress(server);
server.start();
// start client
Client client = new Client(LongErrorWritable.class, conf);
try {
client.call(new LongErrorWritable(RANDOM.nextLong()), addr, null, null);
fail("Expected an exception to have been thrown");
} catch (IOException e) {
// check error
Throwable cause = e.getCause();
assertTrue(cause instanceof IOException);
assertEquals(LongErrorWritable.ERR_MSG, cause.getMessage());
}
}
public void run() {
for (int i = 0; i < count; i++) {
try {
LongWritable param = new LongWritable(RANDOM.nextLong());
LongWritable value = (LongWritable) client.call(param, server, null, null);
if (!param.equals(value)) {
LOG.fatal("Call failed!");
failed = true;
break;
}
} catch (Exception e) {
LOG.fatal("Caught: " + StringUtils.stringifyException(e));
failed = true;
}
}
}
public void run() {
for (int i = 0; i < count; i++) {
try {
Writable[] params = new Writable[addresses.length];
for (int j = 0; j < addresses.length; j++)
params[j] = new LongWritable(RANDOM.nextLong());
Writable[] values = client.call(params, addresses, null, null);
for (int j = 0; j < addresses.length; j++) {
if (!params[j].equals(values[j])) {
LOG.fatal("Call failed!");
failed = true;
break;
}
}
} catch (Exception e) {
LOG.fatal("Caught: " + StringUtils.stringifyException(e));
failed = true;
}
}
}
static {
Client.setPingInterval(conf, PING_INTERVAL);
}