/*
* Copyright (C) 2012 The Async HBase Authors. All rights reserved.
* This file is part of Async HBase.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the StumbleUpon nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.hbase.async;
import java.io.BufferedReader;
import java.io.File;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collection;
import org.slf4j.Logger;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.Description;
import org.junit.runner.JUnitCore;
import org.junit.runner.Request;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunListener;
import org.powermock.reflect.Whitebox;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import com.stumbleupon.async.Callback;
import com.stumbleupon.async.Deferred;
import com.stumbleupon.async.DeferredGroupException;
import org.hbase.async.AtomicIncrementRequest;
import org.hbase.async.BinaryComparator;
import org.hbase.async.BinaryPrefixComparator;
import org.hbase.async.BitComparator;
import org.hbase.async.Bytes;
import org.hbase.async.ColumnPaginationFilter;
import org.hbase.async.ColumnPrefixFilter;
import org.hbase.async.ColumnRangeFilter;
import org.hbase.async.CompareFilter.CompareOp;
import org.hbase.async.DeleteRequest;
import org.hbase.async.DependentColumnFilter;
import org.hbase.async.FamilyFilter;
import org.hbase.async.FilterList;
import org.hbase.async.FirstKeyOnlyFilter;
import org.hbase.async.FuzzyRowFilter;
import org.hbase.async.GetRequest;
import org.hbase.async.HBaseClient;
import org.hbase.async.KeyRegexpFilter;
import org.hbase.async.KeyValue;
import org.hbase.async.NoSuchColumnFamilyException;
import org.hbase.async.PutRequest;
import org.hbase.async.QualifierFilter;
import org.hbase.async.RegexStringComparator;
import org.hbase.async.RowFilter;
import org.hbase.async.ScanFilter;
import org.hbase.async.Scanner;
import org.hbase.async.SubstringComparator;
import org.hbase.async.TableNotFoundException;
import org.hbase.async.TimestampsFilter;
import org.hbase.async.ValueFilter;
import org.hbase.async.Common;
/**
* Basic integration and regression tests for asynchbase.
*
* Requires a locally running HBase cluster.
*/
final public class TestIntegration {
private static final Logger LOG = Common.logger(TestIntegration.class);
private static final short FAST_FLUSH = 10; // milliseconds
private static final short SLOW_FLUSH = 1000; // milliseconds
/** Path to HBase home so we can run the HBase shell. */
private static final String HBASE_HOME;
static {
HBASE_HOME = System.getenv("HBASE_HOME");
if (HBASE_HOME == null) {
throw new RuntimeException("Please set the HBASE_HOME environment"
+ " variable.");
}
final File dir = new File(HBASE_HOME);
if (!dir.isDirectory()) {
throw new RuntimeException("No such directory: " + HBASE_HOME);
}
}
/** Whether or not to truncate existing tables during tests. */
private static final boolean TRUNCATE =
System.getenv("TEST_NO_TRUNCATE") == null;
private static String table;
private static String family;
private static String[] args;
private HBaseClient client;
public static void main(final String[] args) throws Exception {
preFlightTest(args);
table = args[0];
family = args[1];
TestIntegration.args = args;
LOG.info("Starting integration tests");
final JUnitCore junit = new JUnitCore();
final JunitListener listener = new JunitListener();
junit.addListener(listener);
final String singleTest = System.getenv("TEST_NAME");
final Request req;
if (singleTest != null) {
req = Request.method(TestIntegration.class, singleTest);
} else {
req = Request.aClass(TestIntegration.class);
}
final Result result = junit.run(req);
LOG.info("Ran " + result.getRunCount() + " tests in "
+ result.getRunTime() + "ms");
if (!result.wasSuccessful()) {
LOG.error(result.getFailureCount() + " tests failed: "
+ result.getFailures());
System.exit(1);
}
LOG.info("All tests passed!");
}
@Before
public void setUp() {
client = Common.getOpt(TestIntegration.class, args);
}
@After
public void tearDown() throws Exception {
client.shutdown().join();
}
/** Ensures the table/family we use for our test exists. */
private static void preFlightTest(final String[] args) throws Exception {
final HBaseClient client = Common.getOpt(TestIntegration.class,
args);
try {
createOrTruncateTable(client, args[0], args[1]);
} finally {
client.shutdown().join();
}
}
/** Creates or truncates the given table name. */
private static void createOrTruncateTable(final HBaseClient client,
final String table,
final String family)
throws Exception {
try {
client.ensureTableFamilyExists(table, family).join();
truncateTable(table);
} catch (TableNotFoundException e) {
createTable(table, family);
createOrTruncateTable(client, table, family); // Check again.
}
}
/** Write a single thing to HBase and read it back. */
@Test
public void putRead() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final double write_time = System.currentTimeMillis();
final PutRequest put = new PutRequest(table, "k", family, "q", "val");
final GetRequest get = new GetRequest(table, "k", family, "q");
client.put(put).join();
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(1, kvs);
final KeyValue kv = kvs.get(0);
assertEq("k", kv.key());
assertEq(family, kv.family());
assertEq("q", kv.qualifier());
assertEq("val", kv.value());
final double kvts = kv.timestamp();
assertEquals(write_time, kvts, 5000.0); // Within five seconds.
}
/** Write a single thing to HBase and read it back, delete it, read it. */
@Test
public void putReadDeleteRead() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put = new PutRequest(table, "k", family, "q", "val");
final GetRequest get = new GetRequest(table, "k", family, "q");
client.put(put).join();
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(1, kvs);
assertEq("val", kvs.get(0).value());
final DeleteRequest del = new DeleteRequest(table, "k", family, "q");
client.delete(del).join();
final ArrayList<KeyValue> kvs2 = client.get(get).join();
assertSizeIs(0, kvs2);
}
/**
* Write two values to a HBase column and read them back,
* delete one, and read back the other.
*/
@Test
public void putReadDeleteAtTimestamp() throws Exception {
client.setFlushInterval(FAST_FLUSH);
byte[] t = table.getBytes();
byte[] k = "kprd@ts".getBytes();
byte[] f = family.getBytes();
// Make the qualifier unique to avoid running into HBASE-9879.
byte[] q = ("q" + System.currentTimeMillis()
+ "-" + System.nanoTime()).getBytes();
byte[] v1 = "val1".getBytes();
byte[] v2 = "val2".getBytes();
final PutRequest put1 = new PutRequest(t, k, f, q, v1, 100L);
final PutRequest put2 = new PutRequest(t, k, f, q, v2, 200L);
client.put(put1).join();
client.put(put2).join();
final GetRequest get = new GetRequest(t, k, f, q).maxVersions(2);
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(2, kvs);
assertEq("val2", kvs.get(0).value());
assertEq("val1", kvs.get(1).value());
final DeleteRequest del = new DeleteRequest(t, k, f, q, 200L);
del.setDeleteAtTimestampOnly(true);
client.delete(del).join();
final ArrayList<KeyValue> kvs2 = client.get(get).join();
assertSizeIs(1, kvs2);
assertEq("val1", kvs2.get(0).value());
}
/**
* Call Append on a column for the first time and validate that it was
* created.
*/
@Test
public void appendOnceNoReturnRead() throws Exception {
client.setFlushInterval(FAST_FLUSH);
truncateTable(table);
final double write_time = System.currentTimeMillis();
final AppendRequest append = new AppendRequest(table, "a", family, "q", "val");
final GetRequest get = new GetRequest(table, "a", family, "q");
assertNull(client.append(append).join());
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(1, kvs);
final KeyValue kv = kvs.get(0);
assertEq("a", kv.key());
assertEq(family, kv.family());
assertEq("q", kv.qualifier());
assertEq("val", kv.value());
final double kvts = kv.timestamp();
assertEquals(write_time, kvts, 5000.0); // Within five seconds.
}
/**
* Call append on a column twice, the first time to create it, the second to
* append the new value.
*/
@Test
public void appendTwiceNoReturnRead() throws Exception {
client.setFlushInterval(FAST_FLUSH);
truncateTable(table);
final double write_time = System.currentTimeMillis();
final AppendRequest append = new AppendRequest(table, "a2", family, "q", "val");
final AppendRequest append2 = new AppendRequest(table, "a2", family, "q", "2ndv");
final GetRequest get = new GetRequest(table, "a2", family, "q");
assertNull(client.append(append).join());
assertNull(client.append(append2).join());
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(1, kvs);
final KeyValue kv = kvs.get(0);
assertEq("a2", kv.key());
assertEq(family, kv.family());
assertEq("q", kv.qualifier());
assertEq("val2ndv", kv.value());
final double kvts = kv.timestamp();
assertEquals(write_time, kvts, 5000.0); // Within five seconds.
}
@Test
public void appendTwiceBatchedNoReturnRead() throws Exception {
truncateTable(table);
final double write_time = System.currentTimeMillis();
final AppendRequest append = new AppendRequest(table, "a2", family, "q", "val");
final AppendRequest append2 = new AppendRequest(table, "a2", family, "q", "2ndv");
final GetRequest get = new GetRequest(table, "a2", family, "q");
final ArrayList<Deferred<Object>> deferreds = new ArrayList<Deferred<Object>>(2);
deferreds.add(client.append(append));
deferreds.add(client.append(append2));
Deferred.group(deferreds).join();
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(1, kvs);
final KeyValue kv = kvs.get(0);
assertEq("a2", kv.key());
assertEq(family, kv.family());
assertEq("q", kv.qualifier());
assertEq("val2ndv", kv.value());
final double kvts = kv.timestamp();
assertEquals(write_time, kvts, 5000.0); // Within five seconds.
}
@Test
public void appendTwiceBatchedReturnRead() throws Exception {
truncateTable(table);
final double write_time = System.currentTimeMillis();
final AppendRequest append = new AppendRequest(table, "a2", family, "q", "val");
append.returnResult(true);
final AppendRequest append2 = new AppendRequest(table, "a2", family, "q", "2ndv");
append2.returnResult(true);
final GetRequest get = new GetRequest(table, "a2", family, "q");
final ArrayList<Deferred<Object>> deferreds = new ArrayList<Deferred<Object>>(2);
deferreds.add(client.append(append));
deferreds.add(client.append(append2));
Deferred.group(deferreds).join();
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(1, kvs);
final KeyValue kv = kvs.get(0);
assertEq("a2", kv.key());
assertEq(family, kv.family());
assertEq("q", kv.qualifier());
assertEq("val2ndv", kv.value());
final double kvts = kv.timestamp();
assertEquals(write_time, kvts, 5000.0); // Within five seconds.
}
/** Basic scan test. */
@Test
public void basicScan() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put1 = new PutRequest(table, "s1", family, "q", "v1");
final PutRequest put2 = new PutRequest(table, "s2", family, "q", "v2");
final PutRequest put3 = new PutRequest(table, "s3", family, "q", "v3");
Deferred.group(client.put(put1), client.put(put2),
client.put(put3)).join();
// Scan the same 3 rows created above twice.
for (int i = 0; i < 2; i++) {
LOG.info("------------ iteration #" + i);
final Scanner scanner = client.newScanner(table);
scanner.setStartKey("s0");
scanner.setStopKey("s9");
// Callback class to keep scanning recursively.
class cb implements Callback<Object, ArrayList<ArrayList<KeyValue>>> {
private int n = 0;
public Object call(final ArrayList<ArrayList<KeyValue>> rows) {
if (rows == null) {
return null;
}
n++;
try {
assertSizeIs(1, rows);
final ArrayList<KeyValue> kvs = rows.get(0);
final KeyValue kv = kvs.get(0);
assertSizeIs(1, kvs);
assertEq("s" + n, kv.key());
assertEq("q", kv.qualifier());
assertEq("v" + n, kv.value());
return scanner.nextRows(1).addCallback(this);
} catch (AssertionError e) {
// Deferred doesn't catch Errors on purpose, so transform any
// assertion failure into an Exception.
throw new RuntimeException("Asynchronous failure", e);
}
}
}
try {
scanner.nextRows(1).addCallback(new cb()).join();
} finally {
scanner.close().join();
}
}
}
/** Scan which closes before reaching end of results. */
@Test
public void scanCloseEarly() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put1 = new PutRequest(table, "s1", family, "q", "v1");
final PutRequest put2 = new PutRequest(table, "s2", family, "q", "v2");
Deferred.group(client.put(put1), client.put(put2)).join();
// Scan for the first row twice.
for (int i = 0; i < 2; i++) {
LOG.info("------------ iteration #" + i);
final Scanner scanner = client.newScanner(table);
scanner.setStartKey("s0");
scanner.setStopKey("s3");
try {
final ArrayList<ArrayList<KeyValue>> rows = scanner.nextRows(1).join();
assertSizeIs(1, rows);
final ArrayList<KeyValue> kvs = rows.get(0);
final KeyValue kv = kvs.get(0);
assertSizeIs(1, kvs);
assertEq("s1", kv.key());
assertEq("q", kv.qualifier());
assertEq("v1", kv.value());
} finally {
scanner.close().join();
}
}
}
/** Scan with multiple qualifiers. */
@Test
public void scanWithQualifiers() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put1 = new PutRequest(table, "k", family, "a", "val1");
final PutRequest put2 = new PutRequest(table, "k", family, "b", "val2");
final PutRequest put3 = new PutRequest(table, "k", family, "c", "val3");
Deferred.group(client.put(put1), client.put(put2),
client.put(put3)).join();
final Scanner scanner = client.newScanner(table);
scanner.setFamily(family);
scanner.setQualifiers(new byte[][] { { 'a' }, { 'c' } });
final ArrayList<ArrayList<KeyValue>> rows = scanner.nextRows(2).join();
assertSizeIs(1, rows);
final ArrayList<KeyValue> kvs = rows.get(0);
assertSizeIs(2, kvs);
assertEq("val1", kvs.get(0).value());
assertEq("val3", kvs.get(1).value());
}
/** Write a few KVs and delete them in one batch */
@Test
public void multiDelete() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put2 = new PutRequest(table, "mdk1", family, "q2", "val2");
client.put(put2).join();
final PutRequest put3 = new PutRequest(table, "mdk2", family, "q3", "val3");
client.put(put3).join();
final PutRequest put1 = new PutRequest(table, "mdk1", family, "q1", "val1");
client.put(put1).join();
final DeleteRequest del2 = new DeleteRequest(table, "mdk1", family, "q2");
final DeleteRequest del3 = new DeleteRequest(table, "mdk2", family, "q3");
final DeleteRequest del1 = new DeleteRequest(table, "mdk1", family, "q1");
Deferred.group(client.delete(del2), client.delete(del3),
client.delete(del1)).join();
GetRequest get = new GetRequest(table, "mdk1");
ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(0, kvs);
get = new GetRequest(table, "mdk2");
kvs = client.get(get).join();
assertSizeIs(0, kvs);
}
/** Write a few KVs in different regions and delete them in one batch */
@Test
public void multiRegionMultiDelete() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final String table1 = args[0] + "1";
final String table2 = args[0] + "2";
createOrTruncateTable(client, table1, family);
createOrTruncateTable(client, table2, family);
final PutRequest put2 = new PutRequest(table1, "mdk1", family, "q2", "val2");
client.put(put2).join();
final PutRequest put3 = new PutRequest(table1, "mdk2", family, "q3", "val3");
client.put(put3).join();
final PutRequest put1 = new PutRequest(table2, "mdk1", family, "q1", "val1");
client.put(put1).join();
final DeleteRequest del2 = new DeleteRequest(table1, "mdk1", family, "q2");
final DeleteRequest del3 = new DeleteRequest(table1, "mdk2", family, "q3");
final DeleteRequest del1 = new DeleteRequest(table2, "mdk1", family, "q1");
Deferred.group(client.delete(del2), client.delete(del3),
client.delete(del1)).join();
GetRequest get = new GetRequest(table1, "mdk1");
ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(0, kvs);
get = new GetRequest(table1, "mdk2");
kvs = client.get(get).join();
assertSizeIs(0, kvs);
get = new GetRequest(table2, "mdk1");
kvs = client.get(get).join();
assertSizeIs(0, kvs);
}
/** Attempt to write a column family that doesn't exist. */
@Test
public void putNonexistentFamily() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put = new PutRequest(table, "k", family + family,
"q", "val");
try {
client.put(put).join();
} catch (NoSuchColumnFamilyException e) {
assertEquals(put, e.getFailedRpc());
return;
}
throw new AssertionError("Should never be here");
}
/** Send a bunch of edits with one that references a non-existent family. */
@Test
public void multiPutWithOneBadRpcInBatch() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put1 = new PutRequest(table, "mk1", family, "m1", "mpb1");
// The following edit is destined to a non-existent family.
final PutRequest put2 = new PutRequest(table, "mk2", family + family,
"m2", "mpb2");
final PutRequest put3 = new PutRequest(table, "mk3", family, "m3", "mpb3");
try {
final ArrayList<Deferred<Object>> ds = new ArrayList<Deferred<Object>>(3);
ds.add(client.put(put1));
ds.add(client.put(put2));
ds.add(client.put(put3));
Deferred.groupInOrder(ds).join();
} catch (DeferredGroupException e) {
final ArrayList<Object> results = e.results();
final Object res2 = results.get(1);
if (!(res2 instanceof NoSuchColumnFamilyException)) {
throw new AssertionError("res2 wasn't a NoSuchColumnFamilyException: "
+ res2);
}
assertEquals(put2, ((NoSuchColumnFamilyException) res2).getFailedRpc());
final GetRequest get1 = new GetRequest(table, "mk1", family, "m1");
ArrayList<KeyValue> kvs = client.get(get1).join();
assertSizeIs(1, kvs);
assertEq("mpb1", kvs.get(0).value());
final GetRequest get2 = new GetRequest(table, "mk2", family, "m2");
assertSizeIs(0, client.get(get2).join());
final GetRequest get3 = new GetRequest(table, "mk3", family, "m3");
kvs = client.get(get3).join();
assertSizeIs(1, kvs);
assertEq("mpb3", kvs.get(0).value());
return;
}
throw new AssertionError("Should never be here");
}
/** Lots of buffered counter increments from multiple threads. */
@Test
public void bufferedIncrementStressTest() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final byte[] table = TestIntegration.table.getBytes();
final byte[] key1 = "cnt1".getBytes(); // Spread the increments..
final byte[] key2 = "cnt2".getBytes(); // .. over these two counters.
final byte[] family = TestIntegration.family.getBytes();
final byte[] qual = { 'q' };
final DeleteRequest del1 = new DeleteRequest(table, key1, family, qual);
final DeleteRequest del2 = new DeleteRequest(table, key2, family, qual);
Deferred.group(client.delete(del1), client.delete(del2)).join();
final int nthreads = Runtime.getRuntime().availableProcessors() * 2;
// The magic number comes from the limit on callbacks that Deferred
// imposes. We spread increments over two counters, hence the x 2.
final int incr_per_thread = 8192 / nthreads * 2;
final boolean[] successes = new boolean[nthreads];
final class IncrementThread extends Thread {
private final int num;
public IncrementThread(final int num) {
super("IncrementThread-" + num);
this.num = num;
}
public void run() {
try {
doIncrements();
successes[num] = true;
} catch (Throwable e) {
successes[num] = false;
LOG.error("Uncaught exception", e);
}
}
private void doIncrements() {
for (int i = 0; i < incr_per_thread; i++) {
final byte[] key = i % 2 == 0 ? key1 : key2;
bufferIncrement(table, key, family, qual, 1);
}
}
}
final IncrementThread[] threads = new IncrementThread[nthreads];
for (int i = 0; i < nthreads; i++) {
threads[i] = new IncrementThread(i);
}
LOG.info("Starting to generate increments");
for (int i = 0; i < nthreads; i++) {
threads[i].start();
}
for (int i = 0; i < nthreads; i++) {
threads[i].join();
}
LOG.info("Flushing all buffered increments.");
client.flush().joinUninterruptibly();
LOG.info("Done flushing all buffered increments.");
// Check that we the counters have the expected value.
final GetRequest[] gets = { mkGet(table, key1, family, qual),
mkGet(table, key2, family, qual) };
for (final GetRequest get : gets) {
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(1, kvs);
assertEquals(incr_per_thread * nthreads / 2,
Bytes.getLong(kvs.get(0).value()));
}
for (int i = 0; i < nthreads; i++) {
assertEquals(true, successes[i]); // Make sure no exception escaped.
}
}
/** Increment coalescing with values too large to be coalesced. */
@Test
public void incrementCoalescingWithAmountsTooBig() throws Exception {
client.setFlushInterval(SLOW_FLUSH);
final byte[] table = TestIntegration.table.getBytes();
final byte[] key = "cnt".getBytes();
final byte[] family = TestIntegration.family.getBytes();
final byte[] qual = { 'q' };
final DeleteRequest del = new DeleteRequest(table, key, family, qual);
del.setBufferable(false);
client.delete(del).join();
final long big = 1L << 48; // Too big to be coalesced.
final ArrayList<KeyValue> kvs = Deferred.group(
bufferIncrement(table, key, family, qual, big),
bufferIncrement(table, key, family, qual, big)
).addCallbackDeferring(new Callback<Deferred<ArrayList<KeyValue>>,
ArrayList<Long>>() {
public Deferred<ArrayList<KeyValue>> call(final ArrayList<Long> incs) {
final GetRequest get = new GetRequest(table, key)
.family(family).qualifier(qual);
return client.get(get);
}
}).join();
assertSizeIs(1, kvs);
assertEquals(big + big, Bytes.getLong(kvs.get(0).value()));
// Check we sent the right number of RPCs.
assertEquals(2, client.stats().atomicIncrements());
}
/** Increment coalescing with large values that overflow. */
@Test
public void incrementCoalescingWithOverflowingAmounts() throws Exception {
client.setFlushInterval(SLOW_FLUSH);
final byte[] table = TestIntegration.table.getBytes();
final byte[] key = "cnt".getBytes();
final byte[] family = TestIntegration.family.getBytes();
final byte[] qual = { 'q' };
final DeleteRequest del = new DeleteRequest(table, key, family, qual);
del.setBufferable(false);
client.delete(del).join();
final long big = 1L << 47;
// First two RPCs can be coalesced.
bufferIncrement(table, key, family, qual, big);
bufferIncrement(table, key, family, qual, 1);
// This one would cause an overflow, so will be sent as a separate RPC.
// Overflow would happen because the max value is (1L << 48) - 1.
bufferIncrement(table, key, family, qual, big);
client.flush().joinUninterruptibly();
final GetRequest get = new GetRequest(table, key)
.family(family).qualifier(qual);
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(1, kvs);
assertEquals(big + 1 + big, Bytes.getLong(kvs.get(0).value()));
// Check we sent the right number of RPCs.
assertEquals(2, client.stats().atomicIncrements());
}
/** Increment coalescing with negative values and underflows. */
@Test
public void incrementCoalescingWithUnderflowingAmounts() throws Exception {
client.setFlushInterval(SLOW_FLUSH);
final byte[] table = TestIntegration.table.getBytes();
final byte[] key = "cnt".getBytes();
final byte[] family = TestIntegration.family.getBytes();
final byte[] qual = { 'q' };
final DeleteRequest del = new DeleteRequest(table, key, family, qual);
del.setBufferable(false);
client.delete(del).join();
final long big = -1L << 47;
// First two RPCs can be coalesced.
bufferIncrement(table, key, family, qual, big);
bufferIncrement(table, key, family, qual, -1);
// This one would cause an underflow, so will be sent as a separate RPC.
// Overflow would happen because the max value is -1L << 48.
bufferIncrement(table, key, family, qual, big);
client.flush().joinUninterruptibly();
final GetRequest get = new GetRequest(table, key)
.family(family).qualifier(qual);
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(1, kvs);
assertEquals(big - 1 + big, Bytes.getLong(kvs.get(0).value()));
// Check we sent the right number of RPCs.
assertEquals(2, client.stats().atomicIncrements());
}
/** Increment coalescing where the coalesced sum ends up being zero. */
@Test
public void incrementCoalescingWithZeroSumAmount() throws Exception {
client.setFlushInterval(SLOW_FLUSH);
final byte[] table = TestIntegration.table.getBytes();
final byte[] key = "cnt".getBytes();
final byte[] family = TestIntegration.family.getBytes();
final byte[] qual = { 'q' };
final DeleteRequest del = new DeleteRequest(table, key, family, qual);
del.setBufferable(false);
client.delete(del).join();
// HBase 0.98 and up do not create a KV on atomic increment when the
// increment amount is 0. So let's first send an increment of some
// arbitrary value, and then ensure that this value hasn't changed.
long n = client.atomicIncrement(new AtomicIncrementRequest(table, key,
family, qual,
42)).join();
assertEquals(42, n);
bufferIncrement(table, key, family, qual, 1);
bufferIncrement(table, key, family, qual, 2);
bufferIncrement(table, key, family, qual, -3);
client.flush().joinUninterruptibly();
final GetRequest get = new GetRequest(table, key)
.family(family).qualifier(qual);
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(1, kvs);
assertEquals(42, Bytes.getLong(kvs.get(0).value()));
// The sum was 0, but must have sent the increment anyway.
// So in total we should have sent two increments, the initial one,
// that sets the value to 42, and the one incrementing by zero.
assertEquals(2, client.stats().atomicIncrements());
}
/** Helper method to create an atomic increment request. */
private Deferred<Long> bufferIncrement(final byte[] table,
final byte[] key, final byte[] family,
final byte[] qual, final long value) {
return
client.bufferAtomicIncrement(new AtomicIncrementRequest(table, key,
family, qual,
value));
}
/** Helper method to create a get request. */
private static GetRequest mkGet(final byte[] table, final byte[] key,
final byte[] family, final byte[] qual) {
return new GetRequest(table, key).family(family).qualifier(qual);
}
/** Test regexp-based row key filtering. */
@Test
public void keyRegexpFilter() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put1 = new PutRequest(table, "krf accept:by the filter",
family, "q", "krfv1");
final PutRequest put2 = new PutRequest(table, "krf filtered out",
family, "q", "krfv2");
final PutRequest put3 = new PutRequest(table, "krf this is Accepted too",
family, "q", "krfv3");
Deferred.group(client.put(put1), client.put(put2),
client.put(put3)).join();
final Scanner scanner = client.newScanner(table);
scanner.setFamily(family);
scanner.setStartKey("krf ");
scanner.setStopKey("krf!");
scanner.setKeyRegexp("[Aa]ccept(ed)?");
final ArrayList<ArrayList<KeyValue>> rows = scanner.nextRows().join();
assertSizeIs(2, rows);
ArrayList<KeyValue> kvs = rows.get(0);
assertSizeIs(1, kvs);
assertEq("krfv1", kvs.get(0).value());
kvs = rows.get(1);
assertSizeIs(1, kvs);
assertEq("krfv3", kvs.get(0).value());
}
/** Simple column pagination filter tests. */
@Test
public void columnPaginationFilter() throws Exception {
client.setFlushInterval(FAST_FLUSH);
// Keep only rows with a column qualifier that starts with "qa".
final PutRequest put1 = new PutRequest(table, "row1", family, "q1", "v1");
final PutRequest put2 = new PutRequest(table, "row1", family, "q2", "v2");
final PutRequest put3 = new PutRequest(table, "row1", family, "q3", "v3");
final PutRequest put4 = new PutRequest(table, "row1", family, "q4", "v4");
final PutRequest put5 = new PutRequest(table, "row2", family, "q1", "v5");
final PutRequest put6 = new PutRequest(table, "row2", family, "q2", "v6");
final PutRequest put7 = new PutRequest(table, "row2", family, "q3", "v7");
Deferred.group(Deferred.group(client.put(put1), client.put(put2)),
Deferred.group(client.put(put3), client.put(put4)),
Deferred.group(client.put(put5), client.put(put6), client.put(put7))).join();
// Test ColumnPaginationFilter(int limit, int offset)
Scanner scanner = client.newScanner(table);
scanner.setFamily(family);
scanner.setStartKey("row1");
scanner.setStopKey("row3");
scanner.setFilter(new ColumnPaginationFilter(3, 1));
ArrayList<ArrayList<KeyValue>> rows = scanner.nextRows().join();
assertNotNull(rows);
assertSizeIs(2, rows);
ArrayList<KeyValue> kvs = rows.get(0);
assertSizeIs(3, kvs);
assertEq("v2", kvs.get(0).value());
assertEq("v3", kvs.get(1).value());
assertEq("v4", kvs.get(2).value());
kvs = rows.get(1);
assertSizeIs(2, kvs);
assertEq("v6", kvs.get(0).value());
assertEq("v7", kvs.get(1).value());
// Test ColumnPaginationFilter(int limit, byte[] offset) - Only supported in HBase 0.96+
scanner = client.newScanner(table);
scanner.setFamily(family);
scanner.setStartKey("row1");
scanner.setStopKey("row3");
scanner.setFilter(new ColumnPaginationFilter(3, Bytes.UTF8("q2")));
try {
rows = scanner.nextRows().join(); //Throws an UnsupportedOperationException if <= HBase 0.94
// Test for running against >= HBase 0.96
assertNotNull(rows);
assertSizeIs(2, rows);
kvs = rows.get(0);
assertSizeIs(3, kvs);
assertEq("v2", kvs.get(0).value());
assertEq("v3", kvs.get(1).value());
assertEq("v4", kvs.get(2).value());
kvs = rows.get(1);
assertSizeIs(2, kvs);
assertEq("v6", kvs.get(0).value());
assertEq("v7", kvs.get(1).value());
} catch (Exception e) {
// Test for running against <= HBase 0.94
assertEquals(
"Setting a column offset by byte array is not supported before HBase 0.96",
e.getMessage());
}
}
/** Test fuzzy row filters. */
@Test
public void fuzzyRowFilter() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put1 = new PutRequest(table, "1 accept this",
family, "q", "frfv1");
final PutRequest put2 = new PutRequest(table, "2 filter this",
family, "q", "frfv2");
final PutRequest put3 = new PutRequest(table, "3 accept this",
family, "q", "frfv3");
final PutRequest put4 = new PutRequest(table, "4 keep that",
family, "q", "frfv4");
Deferred.group(Deferred.group(client.put(put1), client.put(put2)),
Deferred.group(client.put(put3), client.put(put4))).join();
final Scanner scanner = client.newScanner(table);
scanner.setFamily(family);
scanner.setStartKey("1");
scanner.setStopKey("5");
ArrayList<FuzzyRowFilter.FuzzyFilterPair> filters = new
ArrayList<FuzzyRowFilter.FuzzyFilterPair>();
filters.add(new FuzzyRowFilter.FuzzyFilterPair(
new byte[]{'?',' ','a','c','c','e','p','t',' ','t','h','i','s'},
new byte[]{ 1 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 }));
filters.add(new FuzzyRowFilter.FuzzyFilterPair(
new byte[]{'?','?','?','?','?','?','?','?','?','t','h','a','t'},
new byte[]{ 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 0 , 0 , 0 , 0 }));
scanner.setFilter(new FuzzyRowFilter(filters));
final ArrayList<ArrayList<KeyValue>> rows = scanner.nextRows().join();
assertSizeIs(3, rows);
ArrayList<KeyValue> kvs = rows.get(0);
assertSizeIs(1, kvs);
assertEq("frfv1", kvs.get(0).value());
kvs = rows.get(1);
assertSizeIs(1, kvs);
assertEq("frfv3", kvs.get(0).value());
kvs = rows.get(2);
assertSizeIs(1, kvs);
assertEq("frfv4", kvs.get(0).value());
}
/** Simple column prefix filter tests. */
@Test
public void columnPrefixFilter() throws Exception {
client.setFlushInterval(FAST_FLUSH);
// Keep only rows with a column qualifier that starts with "qa".
final PutRequest put1 = new PutRequest(table, "cpf1", family, "qa1", "v1");
final PutRequest put2 = new PutRequest(table, "cpf1", family, "qa2", "v2");
final PutRequest put3 = new PutRequest(table, "cpf2", family, "qa3", "v3");
final PutRequest put4 = new PutRequest(table, "cpf2", family, "qb4", "v4");
Deferred.group(Deferred.group(client.put(put1), client.put(put2)),
Deferred.group(client.put(put3), client.put(put4))).join();
final Scanner scanner = client.newScanner(table);
scanner.setFamily(family);
scanner.setStartKey("cpf1");
scanner.setStopKey("cpf3");
scanner.setFilter(new ColumnPrefixFilter("qa"));
final ArrayList<ArrayList<KeyValue>> rows = scanner.nextRows().join();
assertSizeIs(2, rows);
ArrayList<KeyValue> kvs = rows.get(0);
assertSizeIs(2, kvs);
assertEq("v1", kvs.get(0).value());
assertEq("v2", kvs.get(1).value());
kvs = rows.get(1);
assertSizeIs(1, kvs);
assertEq("v3", kvs.get(0).value());
}
/** Simple column range filter tests. */
@Test
public void columnRangeFilter() throws Exception {
client.setFlushInterval(FAST_FLUSH);
// Keep rows that have a qualifier in between "qb" (inclusive) and "qd4"
// (exclusive). So only v2 and v3 should be returned by the scanner.
final PutRequest put1 = new PutRequest(table, "crf1", family, "qa1", "v1");
final PutRequest put2 = new PutRequest(table, "crf1", family, "qb2", "v2");
final PutRequest put3 = new PutRequest(table, "crf2", family, "qc3", "v3");
final PutRequest put4 = new PutRequest(table, "crf2", family, "qd4", "v4");
Deferred.group(Deferred.group(client.put(put1), client.put(put2)),
Deferred.group(client.put(put3), client.put(put4))).join();
final Scanner scanner = client.newScanner(table);
scanner.setFamily(family);
scanner.setStartKey("crf1");
scanner.setStopKey("crf3");
scanner.setFilter(new ColumnRangeFilter("qb", true, "qd4", false));
final ArrayList<ArrayList<KeyValue>> rows = scanner.nextRows().join();
assertSizeIs(2, rows); // One KV from row "fl1" and one from "fl2".
ArrayList<KeyValue> kvs = rows.get(0);
assertSizeIs(1, kvs);
assertEq("v2", kvs.get(0).value());
kvs = rows.get(1);
assertSizeIs(1, kvs);
assertEq("v3", kvs.get(0).value());
}
@Test
public void filterComparators() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put1 = new PutRequest(table, "fc1", family, "a", "v1");
final PutRequest put2 = new PutRequest(table, "fc2", family, "a", "v2");
final PutRequest put3 = new PutRequest(table, "fc3", family, "a", "v3");
Deferred.group(client.put(put1), client.put(put2), client.put(put3)).join();
final Scanner binary_scanner = client.newScanner(table);
binary_scanner.setStartKey("fc1");
binary_scanner.setStopKey("fc4");
binary_scanner.setFilter(
new RowFilter(CompareOp.LESS, new BinaryComparator(Bytes.UTF8("fc2"))));
final ArrayList<ArrayList<KeyValue>> binary_rows =
binary_scanner.nextRows().join();
assertSizeIs(1, binary_rows);
assertSizeIs(1, binary_rows.get(0));
assertEq("v1", binary_rows.get(0).get(0).value());
final Scanner prefix_scanner = client.newScanner(table);
prefix_scanner.setStartKey("fc1");
prefix_scanner.setStopKey("fc4");
prefix_scanner.setFilter(
new RowFilter(CompareOp.GREATER_OR_EQUAL,
new BinaryPrefixComparator(Bytes.UTF8("fc2"))));
final ArrayList<ArrayList<KeyValue>> prefix_rows =
prefix_scanner.nextRows().join();
assertSizeIs(2, prefix_rows);
assertSizeIs(1, prefix_rows.get(0));
assertEq("v2", prefix_rows.get(0).get(0).value());
assertSizeIs(1, prefix_rows.get(1));
assertEq("v3", prefix_rows.get(1).get(0).value());
final Scanner bit_scanner = client.newScanner(table);
bit_scanner.setStartKey("fc1");
bit_scanner.setStopKey("fc4");
bit_scanner.setFilter(
new RowFilter(CompareOp.EQUAL,
new BitComparator(Bytes.UTF8("fc2"), BitComparator.BitwiseOp.XOR)));
final ArrayList<ArrayList<KeyValue>> bit_rows =
bit_scanner.nextRows().join();
assertSizeIs(2, bit_rows);
assertSizeIs(1, bit_rows.get(0));
assertEq("v1", bit_rows.get(0).get(0).value());
assertSizeIs(1, bit_rows.get(1));
assertEq("v3", bit_rows.get(1).get(0).value());
final Scanner regex_scanner = client.newScanner(table);
regex_scanner.setStartKey("fc1");
regex_scanner.setStopKey("fc4");
regex_scanner.setFilter(
new RowFilter(CompareOp.EQUAL, new RegexStringComparator("fc2")));
final ArrayList<ArrayList<KeyValue>> regex_rows =
regex_scanner.nextRows().join();
assertSizeIs(1, regex_rows);
assertSizeIs(1, regex_rows.get(0));
assertEq("v2", regex_rows.get(0).get(0).value());
final Scanner substring_scanner = client.newScanner(table);
substring_scanner.setStartKey("fc1");
substring_scanner.setStopKey("fc4");
substring_scanner.setFilter(
new RowFilter(CompareOp.EQUAL, new SubstringComparator("2")));
final ArrayList<ArrayList<KeyValue>> substring_rows =
substring_scanner.nextRows().join();
assertSizeIs(1, substring_rows);
assertSizeIs(1, substring_rows.get(0));
assertEq("v2", substring_rows.get(0).get(0).value());
}
@Test
public void compareFilters() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put1 = new PutRequest(table, "cf1", family, "a", "v1");
final PutRequest put2 = new PutRequest(table, "cf2", family, "b", "v2");
final PutRequest put3 = new PutRequest(
Bytes.UTF8(table),
Bytes.UTF8("cf3"),
Bytes.UTF8(family),
Bytes.UTF8("c"),
Bytes.UTF8("v3"),
42);
final PutRequest put4 = new PutRequest(
Bytes.UTF8(table),
Bytes.UTF8("cf3"),
Bytes.UTF8(family),
Bytes.UTF8("dep"),
Bytes.UTF8("v4"),
42);
Deferred.group(
Deferred.group(client.put(put1), client.put(put2)),
Deferred.group(client.put(put3), client.put(put4))).join();
final Scanner row_scanner = client.newScanner(table);
row_scanner.setStartKey("cf1");
row_scanner.setStopKey("cf4");
row_scanner.setFilter(
new RowFilter(CompareOp.NOT_EQUAL, new BinaryComparator(Bytes.UTF8("cf2"))));
final ArrayList<ArrayList<KeyValue>> row_rows =
row_scanner.nextRows().join();
assertSizeIs(2, row_rows);
assertSizeIs(1, row_rows.get(0));
assertEq("v1", row_rows.get(0).get(0).value());
assertSizeIs(2, row_rows.get(1));
assertEq("v3", row_rows.get(1).get(0).value());
assertEq("v4", row_rows.get(1).get(1).value());
final Scanner family_scanner = client.newScanner(table);
family_scanner.setFilter(
new FamilyFilter(CompareOp.LESS_OR_EQUAL,
new BinaryComparator(Bytes.UTF8("aSomeOtherFamily"))));
final ArrayList<ArrayList<KeyValue>> family_rows =
family_scanner.nextRows().join();
assertNull(family_rows);
final Scanner qualifier_scanner = client.newScanner(table);
qualifier_scanner.setStartKey("cf1");
qualifier_scanner.setStopKey("cf4");
qualifier_scanner.setFilter(
new QualifierFilter(CompareOp.GREATER,
new BinaryComparator(Bytes.UTF8("b"))));
final ArrayList<ArrayList<KeyValue>> qualifier_rows =
qualifier_scanner.nextRows().join();
assertSizeIs(1, qualifier_rows);
assertSizeIs(2, qualifier_rows.get(0));
assertEq("v3", qualifier_rows.get(0).get(0).value());
assertEq("v4", qualifier_rows.get(0).get(1).value());
final Scanner value_scanner = client.newScanner(table);
value_scanner.setStartKey("cf1");
value_scanner.setStopKey("cf4");
value_scanner.setFilter(
new ValueFilter(CompareOp.GREATER_OR_EQUAL,
new BinaryComparator(Bytes.UTF8("v3"))));
final ArrayList<ArrayList<KeyValue>> value_rows =
value_scanner.nextRows().join();
assertSizeIs(1, value_rows);
assertSizeIs(2, value_rows.get(0));
assertEq("v3", value_rows.get(0).get(0).value());
assertEq("v4", value_rows.get(0).get(1).value());
final Scanner dependent_scanner = client.newScanner(table);
dependent_scanner.setMaxNumKeyValues(-1);
dependent_scanner.setFilter(
new DependentColumnFilter(Bytes.UTF8(family), Bytes.UTF8("dep")));
final ArrayList<ArrayList<KeyValue>> dependent_rows =
dependent_scanner.nextRows().join();
assertSizeIs(1, dependent_rows);
assertSizeIs(2, dependent_rows.get(0));
assertEq("v3", dependent_rows.get(0).get(0).value());
assertEq("v4", dependent_rows.get(0).get(1).value());
final Scanner dependent_value_scanner = client.newScanner(table);
dependent_value_scanner.setMaxNumKeyValues(-1);
dependent_value_scanner.setFilter(
new DependentColumnFilter(
Bytes.UTF8(family),
Bytes.UTF8("dep"),
true,
CompareOp.EQUAL,
new BinaryComparator(Bytes.UTF8("v4"))));
final ArrayList<ArrayList<KeyValue>> dependent_value_rows =
dependent_value_scanner.nextRows().join();
assertSizeIs(1, dependent_value_rows);
assertSizeIs(1, dependent_value_rows.get(0));
assertEq("v3", dependent_value_rows.get(0).get(0).value());
}
/** Simple column filter list tests. */
@Test
public void filterList() throws Exception {
client.setFlushInterval(FAST_FLUSH);
// Keep rows that have both:
// - a row key that is exactly either "fl1" or "fl2".
// - a qualifier in between "qb" (inclusive) and "qd4" (exclusive).
final ArrayList<ScanFilter> filters = new ArrayList<ScanFilter>(2);
filters.add(new ColumnRangeFilter("qb", true, "qd4", false));
filters.add(new KeyRegexpFilter("fl[12]$"));
// Filtered out as we're looking due to qualifier being out of range:
final PutRequest put1 = new PutRequest(table, "fl1", family, "qa1", "v1");
// Kept by the filter:
final PutRequest put2 = new PutRequest(table, "fl1", family, "qb2", "v2");
// Filtered out because the row key doesn't match the regexp:
final PutRequest put3 = new PutRequest(table, "fl1a", family, "qb3", "v3");
// Kept by the filter:
final PutRequest put4 = new PutRequest(table, "fl2", family, "qc4", "v4");
// Filtered out because the qualifier is on the exclusive upper bound:
final PutRequest put5 = new PutRequest(table, "fl2", family, "qd5", "v5");
// Filtered out because the qualifier is past the upper bound:
final PutRequest put6 = new PutRequest(table, "fl2", family, "qd6", "v6");
Deferred.group(Deferred.group(client.put(put1), client.put(put2),
client.put(put3)),
Deferred.group(client.put(put4), client.put(put5),
client.put(put6))).join();
final Scanner scanner = client.newScanner(table);
scanner.setFamily(family);
scanner.setStartKey("fl0");
scanner.setStopKey("fl9");
scanner.setFilter(new FilterList(filters));
final ArrayList<ArrayList<KeyValue>> rows = scanner.nextRows().join();
assertSizeIs(2, rows); // One KV from row "fl1" and one from "fl2".
ArrayList<KeyValue> kvs = rows.get(0);
assertSizeIs(1, kvs); // KV from "fl1":
assertEq("v2", kvs.get(0).value());
kvs = rows.get(1);
assertSizeIs(1, kvs); // KV from "fl2":
assertEq("v4", kvs.get(0).value());
}
/** Simple timestamps filter list tests. */
@Test
public void timestampsFilter() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final byte[] tableBytes = Bytes.UTF8(table);
final byte[] familyBytes = Bytes.UTF8(family);
final byte[] qualifier = Bytes.UTF8("q");
final PutRequest put1 =
new PutRequest(tableBytes, Bytes.UTF8("tf1"), familyBytes, qualifier, Bytes.UTF8("v1"), 1L);
final PutRequest put2 =
new PutRequest(tableBytes, Bytes.UTF8("tf2"), familyBytes, qualifier, Bytes.UTF8("v2"), 2L);
final PutRequest put3 =
new PutRequest(tableBytes, Bytes.UTF8("tf3"), familyBytes, qualifier, Bytes.UTF8("v3"), 3L);
Deferred.group(client.put(put1), client.put(put2), client.put(put3)).join();
final Scanner scanner = client.newScanner(table);
scanner.setFamily(family);
scanner.setStartKey(Bytes.UTF8("tf"));
scanner.setStopKey(Bytes.UTF8("tf4"));
scanner.setFilter(new TimestampsFilter(1L, 3L));
final ArrayList<ArrayList<KeyValue>> rows = scanner.nextRows().join();
assertSizeIs(2, rows);
assertSizeIs(1, rows.get(0));
assertEq("v1", rows.get(0).get(0).value());
assertSizeIs(1, rows.get(1));
assertEq("v3", rows.get(1).get(0).value());
}
/** Simple first key only filter tests. */
@Test
public void firstKeyOnlyFilter() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put1 = new PutRequest(table, "row1", family, "q1", "v1");
final PutRequest put2 = new PutRequest(table, "row1", family, "q1", "v2");
final PutRequest put3 = new PutRequest(table, "row2", family, "q1", "v3");
final PutRequest put4 = new PutRequest(table, "row3", family, "q1", "v4");
// Add some extra values to rows 1 and 3
final PutRequest put5 = new PutRequest(table, "row1", family, "q1", "v5");
final PutRequest put6 = new PutRequest(table, "row3", family, "q1", "v6");
Deferred.group(Deferred.group(client.put(put1), client.put(put2)),
Deferred.group(client.put(put3), client.put(put4))).join();
Deferred.group(client.put(put5), client.put(put6)).join();
final Scanner scanner = client.newScanner(table);
scanner.setFamily(family);
scanner.setStartKey("row1");
scanner.setStopKey("row4");
scanner.setFilter(new FirstKeyOnlyFilter());
final ArrayList<ArrayList<KeyValue>> rows = scanner.nextRows().join();
assertSizeIs(3, rows); // One KV from row "row1", one from "row2", and one from "row3".
ArrayList<KeyValue> kvs = rows.get(0);
assertSizeIs(1, kvs);
assertEq("v5", kvs.get(0).value());
kvs = rows.get(1);
assertSizeIs(1, kvs);
assertEq("v3", kvs.get(0).value());
kvs = rows.get(2);
assertSizeIs(1, kvs);
assertEq("v6", kvs.get(0).value());
}
@Test
public void prefetchMeta() throws Exception {
// Prefetch the metadata for a given table, then invasively probe the
// region cache to demonstrate it is filled.
client.prefetchMeta(table).join();
Object region_info = Whitebox.invokeMethod(client, "getRegion",
table.getBytes(),
HBaseClient.EMPTY_ARRAY);
assertNotNull(region_info);
}
/** Simple ColumnPaginationFilter filter test on a Get request. */
@Test
public void columnPaginationFilterOnGet() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final PutRequest put1 = new PutRequest(table, "row1", family, "q1", "v1");
final PutRequest put2 = new PutRequest(table, "row1", family, "q2", "v2");
final PutRequest put3 = new PutRequest(table, "row1", family, "q3", "v3");
final PutRequest put4 = new PutRequest(table, "row1", family, "q4", "v4");
Deferred.group(Deferred.group(client.put(put1), client.put(put2)),
Deferred.group(client.put(put3), client.put(put4))).join();
// Test ColumnPaginationFilter(int limit, int offset)
final GetRequest get = new GetRequest(table, "row1");
get.setFilter(new ColumnPaginationFilter(3, 1));
ArrayList<KeyValue> kvs = client.get(get).join();
assertNotNull(kvs);
assertSizeIs(3, kvs);
assertEq("v2", kvs.get(0).value());
assertEq("v3", kvs.get(1).value());
assertEq("v4", kvs.get(2).value());
}
/** SimpleColumnPrefixFilter tests on a Get request. */
@Test
public void columnPrefixFilterOnGet() throws Exception {
client.setFlushInterval(FAST_FLUSH);
// Keep only rows with a column qualifier that starts with "qa".
final PutRequest put1 = new PutRequest(table, "cpf1", family, "qa1", "v1");
final PutRequest put2 = new PutRequest(table, "cpf1", family, "qa2", "v2");
final PutRequest put3 = new PutRequest(table, "cpf1", family, "qa3", "v3");
final PutRequest put4 = new PutRequest(table, "cpf1", family, "qb4", "v4");
Deferred.group(Deferred.group(client.put(put1), client.put(put2)),
Deferred.group(client.put(put3), client.put(put4))).join();
final GetRequest get = new GetRequest(table, "cpf1");
get.setFilter(new ColumnPrefixFilter("qa"));
ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(3, kvs);
assertEq("v1", kvs.get(0).value());
assertEq("v2", kvs.get(1).value());
assertEq("v3", kvs.get(2).value());
}
/** Simple timestamps filter tests on a Get request. */
@Test
public void timestampsOnGet() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final byte[] tableBytes = Bytes.UTF8(table);
final byte[] familyBytes = Bytes.UTF8(family);
final byte[] rowBytes = Bytes.UTF8("row1");
final PutRequest put1 = new PutRequest(tableBytes, rowBytes, familyBytes, Bytes.UTF8("q1"), Bytes.UTF8("v1"), 1L);
final PutRequest put2 = new PutRequest(tableBytes, rowBytes, familyBytes, Bytes.UTF8("q2"), Bytes.UTF8("v2"), 2L);
final PutRequest put3 = new PutRequest(tableBytes, rowBytes, familyBytes, Bytes.UTF8("q3"), Bytes.UTF8("v3"), 3L);
final PutRequest put4 = new PutRequest(tableBytes, rowBytes, familyBytes, Bytes.UTF8("q4"), Bytes.UTF8("v4"), 4L);
Deferred.group(Deferred.group(client.put(put1), client.put(put2)),
Deferred.group(client.put(put3), client.put(put4))).join();
final GetRequest get = new GetRequest(table, "row1");
get.setMinTimestamp(2L);
get.setMaxTimestamp(4L);
ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(2, kvs);
assertEq("v2", kvs.get(0).value());
assertEq("v3", kvs.get(1).value());
}
/** Regression test for issue #2. */
@Test
public void regression2() throws Exception {
try {
final PutRequest put1 = new PutRequest(table, "k1", family, "q", "val1");
final PutRequest put2 = new PutRequest(table, "k2", family, "q", "val2");
LOG.info("Before calling put()");
client.put(put1);
client.put(put2);
LOG.info("After calling put()");
} finally {
LOG.info("Before calling flush()");
// Flushing immediately a cold client used to be troublesome because we
// wouldn't do a good job at making sure that we can let the client do
// the entire start-up dance (find ROOT, META, issue pending queries...).
client.flush().join();
LOG.info("After calling flush()");
assertEquals(1, client.stats().numBatchedRpcSent());
}
}
/** Regression test for issue #25. */
@Test
public void regression25() throws Exception {
client.setFlushInterval(FAST_FLUSH);
final String table1 = args[0] + "1";
final String table2 = args[0] + "2";
final String family = args[1];
createOrTruncateTable(client, table1, family);
createOrTruncateTable(client, table2, family);
for (int i = 0; i < 2; i++) {
final PutRequest put;
final String key = 'k' + String.valueOf(i);
if (i % 2 == 0) {
put = new PutRequest(table1, key, family, "q", "v");
} else {
put = new PutRequest(table2, key, family, "q", "v");
}
final DeleteRequest delete = new DeleteRequest(put.table(), put.key());
client.delete(delete);
client.put(put);
}
client.flush().joinUninterruptibly();
}
/** Regression test for issue #40 (which was actually Netty bug #474). */
@Test
public void regression40() throws Exception {
// Cause a META lookup first to avoid some DEBUG-level spam due to the
// long key below.
client.ensureTableFamilyExists(table, family).join();
client.setFlushInterval(FAST_FLUSH);
final byte[] table = TestIntegration.table.getBytes();
// 980 was empirically found to be the minimum size with which
// Netty bug #474 gets triggered. Bug got fixed in Netty 3.5.8.
final byte[] key = new byte[980];
key[0] = 'k';
key[1] = '4';
key[2] = '0';
key[key.length - 1] = '*';
final byte[] family = TestIntegration.family.getBytes();
final byte[] qual = { 'q' };
final PutRequest put = new PutRequest(table, key, family, qual,
new byte[0] /* empty */);
final GetRequest get = new GetRequest(table, key);
client.put(put).join();
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(1, kvs);
KeyValue kv = kvs.get(0);
assertEq("q", kv.qualifier());
assertEq("", kv.value());
}
/** Regression test for issue #41. */
@Test
public void regression41() throws Exception {
client.setFlushInterval(SLOW_FLUSH);
final byte[] table = TestIntegration.table.getBytes();
final byte[] key = "cnt".getBytes();
final byte[] family = TestIntegration.family.getBytes();
final byte[] qual = { 'q' };
final DeleteRequest del = new DeleteRequest(table, key, family, qual);
del.setBufferable(false);
client.delete(del).join();
final int iterations = 100000;
for (int i = 0; i < iterations; i++) {
bufferIncrement(table, key, family, qual, 1);
}
client.flush().joinUninterruptibly();
final GetRequest get = new GetRequest(table, key)
.family(family).qualifier(qual);
final ArrayList<KeyValue> kvs = client.get(get).join();
assertSizeIs(1, kvs);
assertEquals(iterations, Bytes.getLong(kvs.get(0).value()));
}
private static <T> void assertSizeIs(final int size,
final Collection<T> list) {
final int actual = list.size();
if (size != actual) {
throw new AssertionError("List was expected to contain " + size
+ " items but was found to contain " + actual + ": " + list);
}
}
private static void assertEq(final String expect, final byte[] actual) {
assertArrayEquals(expect.getBytes(), actual);
}
private static void createTable(final String table,
final String family) throws Exception {
LOG.info("Creating table " + table + " with family " + family);
hbaseShell("create '" + table + "',"
+ " {NAME => '" + family + "', VERSIONS => 2}");
}
private static void truncateTable(final String table) throws Exception {
if (!TRUNCATE) {
return;
}
LOG.warn("Truncating table " + table + "...");
for (int i = 3; i >= 0; i--) {
LOG.warn(i + " Press Ctrl-C if you care about " + table);
Thread.sleep(1000);
}
hbaseShell("truncate '" + table + '\'');
}
private static void hbaseShell(final String command) throws Exception {
final ProcessBuilder pb = new ProcessBuilder();
pb.command(HBASE_HOME + "/bin/hbase", "shell");
pb.environment().remove("HBASE_HOME");
LOG.info("Running HBase shell command: " + command);
final Process shell = pb.start();
try {
final OutputStream stdin = shell.getOutputStream();
stdin.write(command.getBytes());
stdin.write('\n');
stdin.flush(); // Technically the JDK doesn't guarantee that close()
stdin.close(); // will flush(), so better do it explicitly to be safe.
// Let's hope that the HBase shell doesn't print more than 4KB of shit
// on stderr, otherwise we're getting deadlocked here. Yeah seriously.
// Dealing with subprocesses in Java is such a royal PITA.
printLines("stdout", shell.getInputStream()); // Confusing method name,
printLines("stderr", shell.getErrorStream()); // courtesy of !@#$% JDK.
final int rv = shell.waitFor();
if (rv != 0) {
throw new RuntimeException("hbase shell returned " + rv);
}
} finally {
shell.destroy(); // Required by the fucking JDK, no matter what.
}
}
private static void printLines(final String what, final InputStream in)
throws Exception {
final BufferedReader r = new BufferedReader(new InputStreamReader(in));
String line;
while ((line = r.readLine()) != null) {
LOG.info('(' + what + ") " + line);
}
}
private static final class JunitListener extends RunListener {
@Override
public void testStarted(final Description description) {
LOG.info("Running test " + description.getMethodName());
}
@Override
public void testFinished(final Description description) {
LOG.info("Done running test " + description.getMethodName());
}
@Override
public void testFailure(final Failure failure) {
LOG.error("Test failed: " + failure.getDescription().getMethodName(),
failure.getException());
}
@Override
public void testIgnored(final Description description) {
LOG.info("Test ignored: " + description.getMethodName());
}
}
}