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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.proxy;
import com.yahoo.config.subscription.ConfigSourceSet;
import com.yahoo.jrt.Request;
import com.yahoo.jrt.Spec;
import com.yahoo.jrt.StringValue;
import com.yahoo.vespa.config.RawConfig;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
/**
* @author hmusum
* @since 5.1.9
*/
public class ConfigProxyRpcServerTest {
private static final String hostname = "localhost";
private static final int port = 12345;
private static final String address = "tcp/" + hostname + ":" + port;
private ProxyServer proxyServer;
private ConfigProxyRpcServer rpcServer;
@Before
public void setup() {
proxyServer = ProxyServer.createTestServer(new ConfigSourceSet(address));
rpcServer = new ConfigProxyRpcServer(proxyServer, null);
}
@After
public void teardown() {
rpcServer.shutdown();
}
@Test
public void basic() {
ConfigSourceSet configSources = new ConfigSourceSet();
ProxyServer proxy = ProxyServer.createTestServer(configSources);
Spec spec = new Spec("localhost", 12345);
ConfigProxyRpcServer server = new ConfigProxyRpcServer(proxy, spec);
assertThat(server.getSpec(), is(spec));
}
/**
* Tests ping RPC command
*/
@Test
public void testRpcMethodPing() {
Request req = new Request("ping");
rpcServer.ping(req);
assertFalse(req.errorMessage(), req.isError());
assertThat(req.returnValues().size(), is(1));
assertThat(req.returnValues().get(0).asInt32(), is(0));
}
/**
* Tests listCachedConfig RPC command
*/
@Test
public void testRpcMethodListCachedConfig() {
Request req = new Request("listCachedConfig");
rpcServer.listCachedConfig(req);
assertFalse(req.errorMessage(), req.isError());
String[] ret = req.returnValues().get(0).asStringArray();
assertThat(req.returnValues().size(), is(1));
assertThat(ret.length, is(0));
final RawConfig config = ProxyServerTest.fooConfig;
proxyServer.getMemoryCache().put(config);
req = new Request("listCachedConfig");
rpcServer.listCachedConfig(req);
assertFalse(req.errorMessage(), req.isError());
assertThat(req.returnValues().size(), is(1));
ret = req.returnValues().get(0).asStringArray();
assertThat(ret.length, is(1));
assertThat(ret[0], is(config.getNamespace() + "." + config.getName() + "," +
config.getConfigId() + "," +
config.getGeneration() + "," +
config.getConfigMd5()));
}
/**
* Tests listCachedConfig RPC command
*/
@Test
public void testRpcMethodListCachedConfigFull() {
Request req = new Request("listCachedConfigFull");
rpcServer.listCachedConfigFull(req);
assertFalse(req.errorMessage(), req.isError());
assertThat(req.returnValues().size(), is(1));
String[] ret = req.returnValues().get(0).asStringArray();
assertThat(ret.length, is(0));
final RawConfig config = ProxyServerTest.fooConfig;
proxyServer.getMemoryCache().put(config);
req = new Request("listCachedConfigFull");
rpcServer.listCachedConfigFull(req);
assertFalse(req.errorMessage(), req.isError());
ret = req.returnValues().get(0).asStringArray();
assertThat(ret.length, is(1));
assertThat(ret[0], is(config.getNamespace() + "." + config.getName() + "," +
config.getConfigId() + "," +
config.getGeneration() + "," +
config.getConfigMd5() + "," +
config.getPayload().getData()));
}
/**
* Tests printStatistics RPC command
*/
@Test
public void testRpcMethodListSourceConnections() {
Request req = new Request("listSourceConnections");
rpcServer.listSourceConnections(req);
assertFalse(req.errorMessage(), req.isError());
assertThat(req.returnValues().size(), is(1));
final String[] ret = req.returnValues().get(0).asStringArray();
assertThat(ret.length, is(2));
assertThat(ret[0], is("Current source: " + address));
assertThat(ret[1], is("All sources:\n" + address + "\n"));
}
/**
* Tests printStatistics RPC command
*/
@Test
public void testRpcMethodPrintStatistics() {
Request req = new Request("printStatistics");
rpcServer.printStatistics(req);
assertFalse(req.errorMessage(), req.isError());
assertThat(req.returnValues().size(), is(1));
assertThat(req.returnValues().get(0).asString(), is("\n" +
"Delayed responses queue size: 0\n" +
"Contents: "));
}
/**
* Tests invalidateCache RPC command
*/
@Test
public void testRpcMethodInvalidateCache() {
Request req = new Request("invalidateCache");
rpcServer.invalidateCache(req);
assertFalse(req.errorMessage(), req.isError());
assertThat(req.returnValues().size(), is(1));
final String[] ret = req.returnValues().get(0).asStringArray();
assertThat(ret.length, is(2));
assertThat(ret[0], is("0"));
assertThat(ret[1], is("success"));
}
/**
* Tests getMode and setMode RPC commands
*/
@Test
public void testRpcMethodGetModeAndSetMode() {
Request req = new Request("getMode");
rpcServer.getMode(req);
assertFalse(req.errorMessage(), req.isError());
assertThat(req.returnValues().size(), is(1));
assertThat(req.returnValues().get(0).asString(), is("default"));
req = new Request("setMode");
String mode = "memorycache";
req.parameters().add(new StringValue(mode));
rpcServer.setMode(req);
assertFalse(req.errorMessage(), req.isError());
assertThat(req.returnValues().size(), is(1));
String[] ret = req.returnValues().get(0).asStringArray();
assertThat(ret.length, is(2));
assertThat(ret[0], is("0"));
assertThat(ret[1], is("success"));
assertThat(proxyServer.getMode().name(), is(mode));
req = new Request("getMode");
rpcServer.getMode(req);
assertFalse(req.errorMessage(), req.isError());
assertThat(req.returnValues().size(), is(1));
assertThat(req.returnValues().get(0).asString(), is(mode));
req = new Request("setMode");
String oldMode = mode;
mode = "invalid";
req.parameters().add(new StringValue(mode));
rpcServer.setMode(req);
assertFalse(req.errorMessage(), req.isError());
ret = req.returnValues().get(0).asStringArray();
assertThat(ret.length, is(2));
assertThat(ret[0], is("1"));
assertThat(ret[1], is("Could not set mode to '" + mode + "'. Legal modes are '" + Mode.modes() + "'"));
assertThat(proxyServer.getMode().name(), is(oldMode));
}
/**
* Tests updateSources RPC command
*/
@Test
public void testRpcMethodUpdateSources() {
Request req = new Request("updateSources");
String spec1 = "tcp/a:19070";
String spec2 = "tcp/b:19070";
req.parameters().add(new StringValue(spec1 + "," + spec2));
rpcServer.updateSources(req);
assertFalse(req.errorMessage(), req.isError());
assertThat(req.returnValues().size(), is(1));
assertThat(req.returnValues().get(0).asString(), is("Updated config sources to: " + spec1 + "," + spec2));
proxyServer.setMode(Mode.ModeName.MEMORYCACHE.name());
req = new Request("updateSources");
req.parameters().add(new StringValue(spec1 + "," + spec2));
rpcServer.updateSources(req);
assertFalse(req.errorMessage(), req.isError());
assertThat(req.returnValues().size(), is(1));
assertThat(req.returnValues().get(0).asString(), is("Cannot update sources when in '" + Mode.ModeName.MEMORYCACHE.name().toLowerCase() + "' mode"));
// TODO source connections needs to have deterministic order to work
/*req = new Request("listSourceConnections");
rpcServer.listSourceConnections(req);
assertFalse(req.errorMessage(), req.isError());
final String[] ret = req.returnValues().get(0).asStringArray();
assertThat(ret.length, is(2));
assertThat(ret[0], is("Current source: " + spec1));
assertThat(ret[1], is("All sources:\n" + spec2 + "\n" + spec1 + "\n"));
*/
}
/**
* Tests dumpCache RPC command
*/
@Test
public void testRpcMethodDumpCache() {
Request req = new Request("dumpCache");
String path = "/tmp";
req.parameters().add(new StringValue(path));
rpcServer.dumpCache(req);
assertFalse(req.errorMessage(), req.isError());
assertThat(req.returnValues().size(), is(1));
assertThat(req.returnValues().get(0).asString(), is("success"));
}
}
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