/
SingleChronicleQueueTest.java
executable file
·565 lines (420 loc) · 17.2 KB
/
SingleChronicleQueueTest.java
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/*
* Copyright (C) 2015 higherfrequencytrading.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.openhft.chronicle.queue.impl.single;
import net.openhft.chronicle.core.Jvm;
import net.openhft.chronicle.queue.ChronicleQueue;
import net.openhft.chronicle.queue.ChronicleQueueTestBase;
import net.openhft.chronicle.queue.ExcerptAppender;
import net.openhft.chronicle.queue.ExcerptTailer;
import net.openhft.chronicle.queue.RollCycles;
import net.openhft.chronicle.queue.impl.single.work.in.progress.IndexedSingleChronicleQueue;
import net.openhft.chronicle.queue.impl.single.work.in.progress.Indexer;
import net.openhft.chronicle.wire.WireKey;
import net.openhft.chronicle.wire.WireType;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
@RunWith(Parameterized.class)
public class SingleChronicleQueueTest extends ChronicleQueueTestBase {
@Parameterized.Parameters
public static Collection<Object[]> data() {
return Arrays.asList(new Object[][]{
{WireType.TEXT},
{WireType.BINARY}
});
}
private final WireType wireType;
/**
* @param wireType
*/
public SingleChronicleQueueTest(WireType wireType) {
this.wireType = wireType;
}
// *************************************************************************
//
// TESTS
//
// *************************************************************************
@Test
public void testAppend() throws IOException {
final ChronicleQueue queue = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.build();
final ExcerptAppender appender = queue.createAppender();
for (int i = 0; i < 10; i++) {
final int n = i;
assertEquals(n, appender.writeDocument(w -> w.write(TestKey.test).int32(n)));
}
}
@Test
public void testAppendAndRead() throws IOException {
final ChronicleQueue queue = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.build();
final ExcerptAppender appender = queue.createAppender();
for (int i = 0; i < 10; i++) {
final int n = i;
assertEquals(n, appender.writeDocument(w -> w.write(TestKey.test).int32(n)));
assertEquals(n, appender.index());
}
final ExcerptTailer tailer = queue.createTailer();
// Sequential read
for (int i = 0; i < 10; i++) {
final int n = i;
assertTrue(tailer.readDocument(r -> assertEquals(n, r.read(TestKey.test).int32())));
assertEquals(n, tailer.index());
}
// Random read
for (int i = 0; i < 10; i++) {
final int n = i;
assertTrue(tailer.index(n));
assertTrue(tailer.readDocument(r -> assertEquals(n, r.read(TestKey.test).int32())));
assertEquals(n, tailer.index());
}
}
@Test
public void testReadAndAppend() throws IOException {
final ChronicleQueue queue = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.build();
int[] results = new int[2];
Thread t = new Thread(() -> {
try {
final ExcerptTailer tailer = queue.createTailer();
for (int i = 0; i < 2; ) {
boolean read = tailer.readDocument(r -> {
int result = r.read(TestKey.test).int32();
results[result] = result;
});
if(read) {
i++;
} else {
// Pause for a little
Jvm.pause(10);
}
}
} catch (Exception e) {
assertTrue(false);
}
});
t.setDaemon(true);
t.start();
//Give the tailer thread enough time to initialise before send
//the messages
Jvm.pause(1000);
final ExcerptAppender appender = queue.createAppender();
for (int i = 0; i < 2; i++) {
final int n = i;
appender.writeDocument(w -> w.write(TestKey.test).int32(n));
}
Jvm.pause(1000);
assertArrayEquals(new int[]{0, 1}, results);
}
@Test
public void testAppendAndReadWithRolling() throws IOException {
final ChronicleQueue queue = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.rollCycle(RollCycles.SECONDS)
.build();
final ExcerptAppender appender = queue.createAppender();
for (int i = 0; i < 20; i++) {
final int n = i;
Jvm.pause(500);
appender.writeDocument(w -> w.write(TestKey.test).int32(n));
}
final ExcerptTailer tailer = queue.createTailer().toStart();
for (int i = 0; i < 20; i++) {
final int n = i;
assertTrue(tailer.readDocument(r -> assertEquals(n, r.read(TestKey.test).int32())));
}
}
@Test
public void testAppendAndReadWithRolling2() throws IOException {
final File dir = getTmpDir();
for (int i = 0; i < 10; i++) {
final int n = i;
new SingleChronicleQueueBuilder(dir)
.wireType(this.wireType)
.rollCycle(RollCycles.SECONDS)
.build()
.createAppender().writeDocument(w -> w.write(TestKey.test).int32(n));
Jvm.pause(500);
}
final ChronicleQueue queue = new SingleChronicleQueueBuilder(dir)
.wireType(this.wireType)
.rollCycle(RollCycles.SECONDS)
.build();
final ExcerptTailer tailer = queue.createTailer().toStart();
for (int i = 0; i < 10; i++) {
final int n = i;
assertTrue(tailer.readDocument(r -> assertEquals(n, r.read(TestKey.test).int32())));
}
}
@Test
public void testAppendAndReadAtIndex() throws IOException {
final ChronicleQueue queue = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.build();
final ExcerptAppender appender = queue.createAppender();
for (int i = 0; i < 5; i++) {
final int n = i;
assertEquals(n, appender.writeDocument(w -> w.write(TestKey.test).int32(n)));
assertEquals(n, appender.index());
}
final ExcerptTailer tailer = queue.createTailer();
for (int i = 0; i < 5; i++) {
assertTrue(tailer.index(i));
final int n = i;
assertTrue(tailer.readDocument(r -> assertEquals(n, r.read(TestKey.test).int32())));
assertEquals(n, tailer.index());
}
}
@Test
public void testSimpleWire() throws Exception {
File file = File.createTempFile("chronicle.", "q");
file.deleteOnExit();
try {
final ChronicleQueue chronicle = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.build();
final ExcerptAppender appender = chronicle.createAppender();
appender.writeDocument(wire -> wire.write(() -> "FirstName").text("Steve"));
appender.writeDocument(wire -> wire.write(() -> "Surname").text("Jobs"));
StringBuilder first = new StringBuilder();
StringBuilder surname = new StringBuilder();
final ExcerptTailer tailer = chronicle.createTailer();
tailer.readDocument(wire -> wire.read(() -> "FirstName").text(first));
tailer.readDocument(wire -> wire.read(() -> "Surname").text(surname));
Assert.assertEquals("Steve Jobs", first + " " + surname);
} finally {
file.delete();
}
}
@Test
public void testReadAtIndex() throws Exception {
final File file = File.createTempFile("chronicle.", "q");
file.deleteOnExit();
try {
final ChronicleQueue chronicle = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.build();
final ExcerptAppender appender = chronicle.createAppender();
// create 100 documents
for (int i = 0; i < 100; i++) {
final int j = i;
appender.writeDocument(wire -> wire.write(() -> "key").text("value=" + j));
}
final ExcerptTailer tailer = chronicle.createTailer();
tailer.index(5);
// QueueDumpMain.dump(file, new PrintWriter(System.out));
StringBuilder sb = new StringBuilder();
tailer.readDocument(wire -> wire.read(() -> "key").text(sb));
Assert.assertEquals("value=5", sb.toString());
} finally {
file.delete();
}
}
@Test
public void testLastWrittenIndexPerAppender() throws Exception {
File file = File.createTempFile("chronicle.", "q");
file.deleteOnExit();
try {
final ChronicleQueue chronicle = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.build();
final ExcerptAppender appender = chronicle.createAppender();
appender.writeDocument(wire -> wire.write(() -> "key").text("test"));
Assert.assertEquals(0, appender.index());
} finally {
file.delete();
}
}
@Test(expected = IllegalStateException.class)
public void testLastWrittenIndexPerAppenderNoData() throws Exception {
File file = File.createTempFile("chronicle.", "q");
file.deleteOnExit();
try {
final ChronicleQueue chronicle = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.build();
final ExcerptAppender appender = chronicle.createAppender();
appender.index();
Assert.fail();
} finally {
file.delete();
}
}
@Ignore
@Test
public void testLastIndexPerChronicle() throws Exception {
File file = File.createTempFile("chronicle.", "q");
file.deleteOnExit();
try {
final ChronicleQueue chronicle = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.build();
final ExcerptAppender appender = chronicle.createAppender();
appender.writeDocument(wire -> wire.write(() -> "key").text("test"));
Assert.assertEquals(0, chronicle.lastWrittenIndex());
} finally {
file.delete();
}
}
@Ignore
@Test(expected = IllegalStateException.class)
public void testLastIndexPerChronicleNoData() throws Exception {
File file = File.createTempFile("chronicle.", "q");
file.deleteOnExit();
try {
final ChronicleQueue chronicle = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.build();
Assert.assertEquals(-1, chronicle.lastWrittenIndex());
} finally {
file.delete();
}
}
@Test
public void testHeaderIndexReadAtIndex() throws Exception {
File file = File.createTempFile("chronicle.", "q");
file.deleteOnExit();
try {
final ChronicleQueue chronicle = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.build();
final ExcerptAppender appender = chronicle.createAppender();
// create 100 documents
for (int i = 0; i < 100; i++) {
final int j = i;
appender.writeDocument(wire -> wire.write(() -> "key").text("value=" + j));
}
final ExcerptTailer tailer = chronicle.createTailer();
tailer.index(5);
StringBuilder sb = new StringBuilder();
tailer.readDocument(wire -> wire.read(() -> "key").text(sb));
Assert.assertEquals("value=5", sb.toString());
} finally {
file.delete();
}
}
@Ignore
@Test
public void testReadAtIndexWithIndexes() throws Exception {
File file = File.createTempFile("chronicle.", "q");
file.deleteOnExit();
try {
final ChronicleQueue chronicle = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.rollCycle(RollCycles.SECONDS)
.build();
final ExcerptAppender appender = chronicle.createAppender();
// create 100 documents
for (int i = 0; i < 100; i++) {
final int j = i;
appender.writeDocument(wire -> wire.write(() -> "key").text("value=" + j));
}
// creates the indexes
new Indexer(chronicle, WireType.BINARY).index();
final ExcerptTailer tailer = chronicle.createTailer();
tailer.index(67);
StringBuilder sb = new StringBuilder();
tailer.readDocument(wire -> wire.read(() -> "key").text(sb));
Assert.assertEquals("value=67", sb.toString());
} finally {
file.delete();
}
}
@Ignore
@Test
public void testReadAtIndexWithIndexesAtStart() throws Exception {
final File file = File.createTempFile("chronicle.", "q");
file.deleteOnExit();
try {
final ChronicleQueue chronicle = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.rollCycle(RollCycles.SECONDS)
.build();
final ExcerptAppender appender = chronicle.createAppender();
// create 100 documents
for (int i = 0; i < 100; i++) {
final int j = i;
appender.writeDocument(wire -> wire.write(() -> "key").text("value=" + j));
}
new Indexer(chronicle, WireType.BINARY).index();
long index = 67;
final ExcerptTailer tailer = chronicle.createTailer();
tailer.index(index);
// QueueDumpMain.dump(file, new PrintWriter(System.out));
StringBuilder sb = new StringBuilder();
tailer.readDocument(wire -> wire.read(() -> "key").text(sb));
Assert.assertEquals("value=" + index, sb.toString());
} finally {
file.delete();
}
}
@Ignore
@Test
public void testScanFromLastKnownIndex() throws Exception {
File file = File.createTempFile("chronicle.", "q");
file.deleteOnExit();
try {
final ChronicleQueue chronicle = new IndexedSingleChronicleQueue(file.getPath(), 1024, WireType.BINARY);
final ExcerptAppender appender = chronicle.createAppender();
// create 100 documents
for (int i = 0; i < 65; i++) {
final int j = i;
appender.writeDocument(wire -> wire.write(() -> "key").text("value=" + j));
}
// creates the indexes - index's 1 and 2 are created by the indexer
new Indexer(chronicle, WireType.BINARY).index();
// create 100 documents
for (long i = chronicle.lastWrittenIndex() + 1; i < 200; i++) {
final long j = i;
appender.writeDocument(wire -> wire.write(() -> "key").text("value=" + j));
}
final ExcerptTailer tailer = chronicle.createTailer();
{
int expected = 150;
tailer.index(expected);
StringBuilder sb = new StringBuilder();
tailer.readDocument(wire -> wire.read(() -> "key").text(sb));
Assert.assertEquals("value=" + expected, sb.toString());
}
//read back earlier
{
int expected = 167;
tailer.index(expected);
StringBuilder sb = new StringBuilder();
tailer.readDocument(wire -> wire.read(() -> "key").text(sb));
Assert.assertEquals("value=" + expected, sb.toString());
}
} finally {
file.delete();
}
}
enum Field implements WireKey {
TEXT
}
}