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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.feed.perf;
import com.yahoo.document.serialization.DeserializationException;
import com.yahoo.documentapi.messagebus.protocol.DocumentMessage;
import com.yahoo.jrt.ListenFailedException;
import com.yahoo.messagebus.DynamicThrottlePolicy;
import com.yahoo.messagebus.EmptyReply;
import com.yahoo.messagebus.Error;
import com.yahoo.messagebus.ErrorCode;
import com.yahoo.messagebus.Message;
import com.yahoo.messagebus.MessageHandler;
import com.yahoo.messagebus.Reply;
import com.yahoo.messagebus.SourceSession;
import com.yahoo.messagebus.StaticThrottlePolicy;
import com.yahoo.messagebus.ThrottlePolicy;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.lang.reflect.Field;
import java.nio.charset.StandardCharsets;
import java.util.regex.Pattern;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* @author Simon Thoresen Hult
*/
public class SimpleFeederTest {
private static final String CONFIG_DIR = "target/test-classes/";
@Test
public void requireThatXMLFeederWorks() throws Throwable {
assertFeed("<vespafeed>" +
" <document documenttype='simple' documentid='doc:scheme:0'>" +
" <my_str>foo</my_str>" +
" </document>" +
" <update documenttype='simple' documentid='doc:scheme:1'>" +
" <assign field='my_str'>bar</assign>" +
" </update>" +
" <remove documenttype='simple' documentid='doc:scheme:2'/>" +
"</vespafeed>",
new MessageHandler() {
@Override
public void handleMessage(Message msg) {
Reply reply = ((DocumentMessage)msg).createReply();
reply.swapState(msg);
reply.popHandler().handleReply(reply);
}
},
"",
"(.+\n)+" +
"\\s*\\d+,\\s*3,.+\n");
}
@Test
public void requireThatJsonFeederWorks() throws Throwable {
assertFeed("[" +
" { \"put\": \"id:simple:simple::0\", \"fields\": { \"my_str\":\"foo\"}}," +
" { \"update\": \"id:simple:simple::1\", \"fields\": { \"my_str\": { \"assign\":\"bar\"}}}," +
" { \"remove\": \"id:simple:simple::2\"}" +
"]",
new MessageHandler() {
@Override
public void handleMessage(Message msg) {
Reply reply = ((DocumentMessage)msg).createReply();
reply.swapState(msg);
reply.popHandler().handleReply(reply);
}
},
"",
"(.+\n)+" +
"\\s*\\d+,\\s*3,.+\n");
}
@Test
public void requireThatParseFailuresThrowInMainThread() throws Throwable {
TestDriver driver = new TestDriver(new FeederParams(),
"<vespafeed>" +
" <document documenttype='unknown' documentid='doc:scheme:0'/>" +
"</vespafeed>",
null);
try {
driver.run();
fail();
} catch (DeserializationException e) {
assertEquals("Field 'doc:scheme:0': Must specify an existing document type, not 'unknown' (at line 1, column 76)",
e.getMessage());
}
assertTrue(driver.close());
}
@Test
public void requireThatSyncFailuresThrowInMainThread() throws Throwable {
TestDriver driver = new TestDriver(new FeederParams(),
"<vespafeed>" +
" <document documenttype='simple' documentid='doc:scheme:0'/>" +
"</vespafeed>",
null);
getSourceSession(driver).close();
try {
driver.run();
fail();
} catch (IOException e) {
assertEquals("[SEND_QUEUE_CLOSED @ localhost]: Source session is closed.", e.getMessage());
}
assertTrue(driver.close());
}
@Test
public void requireThatAsyncFailuresThrowInMainThread() throws Throwable {
TestDriver driver = new TestDriver(new FeederParams(),
"<vespafeed><document documenttype='simple' documentid='doc:scheme:0'/></vespafeed>",
new MessageHandler() {
@Override
public void handleMessage(Message msg) {
Reply reply = new EmptyReply();
reply.swapState(msg);
reply.addError(new Error(ErrorCode.APP_FATAL_ERROR + 6, "foo"));
reply.addError(new Error(ErrorCode.APP_FATAL_ERROR + 9, "bar"));
reply.popHandler().handleReply(reply);
}
});
try {
driver.run();
fail();
} catch (IOException e) {
assertMatches("com.yahoo.documentapi.messagebus.protocol.PutDocumentMessage@.+\n" +
"\\[UNKNOWN\\(250006\\) @ .+\\]: foo\n" +
"\\[UNKNOWN\\(250009\\) @ .+\\]: bar\n",
e.getMessage());
}
assertTrue(driver.close());
}
@Test
public void requireThatDynamicThrottlingIsDefault() throws Exception {
TestDriver driver = new TestDriver(new FeederParams(), "", null);
assertEquals(DynamicThrottlePolicy.class, getThrottlePolicy(driver).getClass());
assertTrue(driver.close());
}
@Test
public void requireThatSerialTransferModeConfiguresStaticThrottling() throws Exception {
TestDriver driver = new TestDriver(new FeederParams().setSerialTransfer(true), "", null);
assertEquals(StaticThrottlePolicy.class, getThrottlePolicy(driver).getClass());
assertTrue(driver.close());
}
private static SourceSession getSourceSession(TestDriver driver) {
return (SourceSession)getField(driver.feeder, "session");
}
private static ThrottlePolicy getThrottlePolicy(TestDriver driver) {
return (ThrottlePolicy)getField(getSourceSession(driver), "throttlePolicy");
}
private static Object getField(Object obj, String fieldName) {
try {
Field field = obj.getClass().getDeclaredField(fieldName);
field.setAccessible(true);
return field.get(obj);
} catch (IllegalAccessException | NoSuchFieldException e) {
throw new AssertionError(e);
}
}
private static void assertFeed(String in, MessageHandler validator, String expectedErr, String expectedOut)
throws Throwable {
TestDriver driver = new TestDriver(new FeederParams(), in, validator);
driver.run();
assertMatches(expectedErr, new String(driver.err.toByteArray(), StandardCharsets.UTF_8));
assertMatches(expectedOut, new String(driver.out.toByteArray(), StandardCharsets.UTF_8));
assertTrue(driver.close());
}
private static void assertMatches(String expected, String actual) {
if (!Pattern.matches(expected, actual)) {
assertEquals(expected, actual);
}
}
private static class TestDriver {
final ByteArrayOutputStream err = new ByteArrayOutputStream();
final ByteArrayOutputStream out = new ByteArrayOutputStream();
final SimpleFeeder feeder;
final SimpleServer server;
TestDriver(FeederParams params, String in, MessageHandler validator)
throws IOException, ListenFailedException {
server = new SimpleServer(CONFIG_DIR, validator);
feeder = new SimpleFeeder(params.setConfigId("dir:" + CONFIG_DIR)
.setStdErr(new PrintStream(err))
.setStdIn(new ByteArrayInputStream(in.getBytes(StandardCharsets.UTF_8)))
.setStdOut(new PrintStream(out)));
}
void run() throws Throwable {
feeder.run();
}
boolean close() {
feeder.close();
server.close();
return true;
}
}
}
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