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SingleChronicleQueueTest.java
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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.core.io.IORuntimeException;
import net.openhft.chronicle.queue.*;
import net.openhft.chronicle.wire.ReadMarshallable;
import net.openhft.chronicle.wire.WireIn;
import net.openhft.chronicle.wire.WireType;
import org.jetbrains.annotations.NotNull;
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 net.openhft.chronicle.queue.ChronicleQueue.*;
import static org.junit.Assert.*;
@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, subIndex(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();
final long cycle = appender.cycle();
for (int i = 0; i < 10; i++) {
final int n = i;
assertEquals(n, subIndex(appender.writeDocument(w
-> w.write(TestKey.test).int32(n))));
assertEquals(n, subIndex(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, subIndex(tailer.index()));
}
// Random read
for (int i = 0; i < 10; i++) {
final int n = i;
assertTrue(tailer.index(index(cycle, n)));
assertTrue(tailer.readDocument(r -> assertEquals(n, r.read(TestKey.test).int32())));
assertEquals(n, subIndex(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;
final boolean condition = tailer.readDocument(r -> assertEquals(n, r.read(TestKey.test).int32()));
assertTrue(condition);
}
}
@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;
final boolean condition = tailer.readDocument(new ReadMarshallable() {
@Override
public void readMarshallable(@NotNull WireIn r) throws IORuntimeException {
assertEquals(n, r.read(TestKey.test).int32());
}
});
assertTrue(condition);
}
}
@Test
public void testAppendAndReadAtIndex() throws IOException {
final ChronicleQueue queue = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.build();
final ExcerptAppender appender = queue.createAppender();
appender.cycle();
for (int i = 0; i < 5; i++) {
final int n = i;
assertEquals(n, subIndex(appender.writeDocument(w -> w.write(TestKey.test)
.int32(n))));
assertEquals(n, subIndex(appender.index()));
}
final ExcerptTailer tailer = queue.createTailer();
for (int i = 0; i < 5; i++) {
final long index = index(appender.cycle(), i);
assertTrue(tailer.index(index));
final int n = i;
assertTrue(tailer.readDocument(r -> assertEquals(n, subIndex(r.read(TestKey.test)
.int32()))));
assertEquals(n, subIndex(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();
long lastIndex = -1;
// create 100 documents
for (int i = 0; i < 100; i++) {
final int j = i;
final long index = appender.writeDocument(wire -> wire.write(() -> "key").text
("value=" + j));
lastIndex = index;
}
final long cycle = cycle(lastIndex);
final ExcerptTailer tailer = chronicle.createTailer();
// QueueDumpMain.dump(file, new PrintWriter(System.out));
StringBuilder sb = new StringBuilder();
for (int i : new int[]{65}) {
tailer.index(index(cycle, i));
tailer.readDocument(wire -> wire.read(() -> "key").text(sb));
Assert.assertEquals("value=" + i, 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, subIndex(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("rob to fix")
@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.index());
} 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();
final long cycle = appender.cycle();
// 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(index(cycle, 5));
StringBuilder sb = new StringBuilder();
tailer.readDocument(wire -> wire.read(() -> "key").text(sb));
Assert.assertEquals("value=5", sb.toString());
} finally {
file.delete();
}
}
@Test
public void testIndex() throws Exception {
File file = File.createTempFile("chronicle.", "q");
file.deleteOnExit();
try {
final ChronicleQueue chronicle = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.rollCycle(RollCycles.HOURS)
.build();
final ExcerptAppender appender = chronicle.createAppender();
long cycle = 0;
// create 100 documents
for (int i = 0; i < 5; i++) {
Thread.sleep(1000);
final int j = i;
long index = appender.writeDocument(wire -> wire.write(() -> "key").text("value="
+ j));
if (i == 2) {
cycle = appender.cycle();
final long cycle1 = cycle(index);
Assert.assertEquals(cycle1, cycle);
}
}
final ExcerptTailer tailer = chronicle.createTailer();
tailer.index(index(cycle, 2));
StringBuilder sb = new StringBuilder();
tailer.readDocument(wire -> wire.read(() -> "key").text(sb));
Assert.assertEquals("value=2", sb.toString());
} finally {
file.delete();
}
}
@Test
public void testEPOC() throws Exception {
File file = File.createTempFile("chronicle.", "q");
file.deleteOnExit();
try {
final ChronicleQueue chronicle = new SingleChronicleQueueBuilder(getTmpDir())
.wireType(this.wireType)
.epoc(System.currentTimeMillis())
.rollCycle(RollCycles.HOURS)
.build();
final ExcerptAppender appender = chronicle.createAppender();
appender.writeDocument(wire -> wire.write(() -> "key").text("value=v"));
Assert.assertEquals(0, appender.cycle());
} finally {
file.delete();
}
}
}