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Posted to commits@ignite.apache.org by sb...@apache.org on 2016/09/27 11:09:09 UTC
[14/63] [abbrv] ignite git commit: IGNITE-3912: Hadoop: Implemented
new class loading architecture for embedded execution mode.
http://git-wip-us.apache.org/repos/asf/ignite/blob/8032fc2c/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTaskExecutionSelfTest.java
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diff --git a/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTaskExecutionSelfTest.java b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTaskExecutionSelfTest.java
new file mode 100644
index 0000000..027f921
--- /dev/null
+++ b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTaskExecutionSelfTest.java
@@ -0,0 +1,550 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.impl;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.Callable;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.LocalFileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.IntWritable;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.mapreduce.InputSplit;
+import org.apache.hadoop.mapreduce.Job;
+import org.apache.hadoop.mapreduce.JobContext;
+import org.apache.hadoop.mapreduce.Mapper;
+import org.apache.hadoop.mapreduce.Reducer;
+import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
+import org.apache.hadoop.mapreduce.lib.input.TextInputFormat;
+import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
+import org.apache.ignite.IgniteCheckedException;
+import org.apache.ignite.IgniteFileSystem;
+import org.apache.ignite.configuration.FileSystemConfiguration;
+import org.apache.ignite.configuration.HadoopConfiguration;
+import org.apache.ignite.hadoop.fs.v1.IgniteHadoopFileSystem;
+import org.apache.ignite.igfs.IgfsPath;
+import org.apache.ignite.internal.IgniteInternalFuture;
+import org.apache.ignite.internal.processors.hadoop.Hadoop;
+import org.apache.ignite.internal.processors.hadoop.HadoopJobId;
+import org.apache.ignite.internal.processors.hadoop.HadoopTaskCancelledException;
+import org.apache.ignite.internal.util.lang.GridAbsPredicate;
+import org.apache.ignite.internal.util.typedef.X;
+import org.apache.ignite.internal.util.typedef.internal.U;
+import org.apache.ignite.testframework.GridTestUtils;
+
+import static org.apache.ignite.internal.processors.hadoop.state.HadoopTaskExecutionSelfTestValues.cancelledTasks;
+import static org.apache.ignite.internal.processors.hadoop.state.HadoopTaskExecutionSelfTestValues.executedTasks;
+import static org.apache.ignite.internal.processors.hadoop.state.HadoopTaskExecutionSelfTestValues.failMapperId;
+import static org.apache.ignite.internal.processors.hadoop.state.HadoopTaskExecutionSelfTestValues.splitsCount;
+import static org.apache.ignite.internal.processors.hadoop.state.HadoopTaskExecutionSelfTestValues.taskWorkDirs;
+import static org.apache.ignite.internal.processors.hadoop.state.HadoopTaskExecutionSelfTestValues.totalLineCnt;
+import static org.apache.ignite.internal.processors.hadoop.impl.HadoopUtils.createJobInfo;
+
+/**
+ * Tests map-reduce task execution basics.
+ */
+public class HadoopTaskExecutionSelfTest extends HadoopAbstractSelfTest {
+ /** Test param. */
+ private static final String MAP_WRITE = "test.map.write";
+
+ /** {@inheritDoc} */
+ @Override public FileSystemConfiguration igfsConfiguration() throws Exception {
+ FileSystemConfiguration cfg = super.igfsConfiguration();
+
+ cfg.setFragmentizerEnabled(false);
+
+ return cfg;
+ }
+
+ /** {@inheritDoc} */
+ @Override protected boolean igfsEnabled() {
+ return true;
+ }
+
+ /** {@inheritDoc} */
+ @Override protected void beforeTestsStarted() throws Exception {
+ super.beforeTestsStarted();
+
+ startGrids(gridCount());
+ }
+
+ /** {@inheritDoc} */
+ @Override protected void afterTestsStopped() throws Exception {
+ stopAllGrids();
+
+ super.afterTestsStopped();
+ }
+
+ /** {@inheritDoc} */
+ @Override protected void beforeTest() throws Exception {
+ grid(0).fileSystem(igfsName).format();
+ }
+
+ /** {@inheritDoc} */
+ @Override public HadoopConfiguration hadoopConfiguration(String gridName) {
+ HadoopConfiguration cfg = super.hadoopConfiguration(gridName);
+
+ cfg.setMaxParallelTasks(5);
+
+ // TODO: IGNITE-404: Uncomment when fixed.
+ //cfg.setExternalExecution(false);
+
+ return cfg;
+ }
+
+ /**
+ * @throws Exception If failed.
+ */
+ public void testMapRun() throws Exception {
+ int lineCnt = 10000;
+ String fileName = "/testFile";
+
+ prepareFile(fileName, lineCnt);
+
+ totalLineCnt.set(0);
+ taskWorkDirs.clear();
+
+ Configuration cfg = new Configuration();
+
+ cfg.setStrings("fs.igfs.impl", IgniteHadoopFileSystem.class.getName());
+
+ Job job = Job.getInstance(cfg);
+ job.setOutputKeyClass(Text.class);
+ job.setOutputValueClass(IntWritable.class);
+
+ job.setMapperClass(TestMapper.class);
+
+ job.setNumReduceTasks(0);
+
+ job.setInputFormatClass(TextInputFormat.class);
+
+ FileInputFormat.setInputPaths(job, new Path("igfs://:" + getTestGridName(0) + "@/"));
+ FileOutputFormat.setOutputPath(job, new Path("igfs://:" + getTestGridName(0) + "@/output/"));
+
+ job.setJarByClass(getClass());
+
+ IgniteInternalFuture<?> fut = grid(0).hadoop().submit(new HadoopJobId(UUID.randomUUID(), 1),
+ createJobInfo(job.getConfiguration()));
+
+ fut.get();
+
+ assertEquals(lineCnt, totalLineCnt.get());
+
+ assertEquals(32, taskWorkDirs.size());
+ }
+
+ /**
+ * @throws Exception If failed.
+ */
+ public void testMapCombineRun() throws Exception {
+ int lineCnt = 10001;
+ String fileName = "/testFile";
+
+ prepareFile(fileName, lineCnt);
+
+ totalLineCnt.set(0);
+ taskWorkDirs.clear();
+
+ Configuration cfg = new Configuration();
+
+ cfg.setStrings("fs.igfs.impl", IgniteHadoopFileSystem.class.getName());
+ cfg.setBoolean(MAP_WRITE, true);
+
+ Job job = Job.getInstance(cfg);
+ job.setOutputKeyClass(Text.class);
+ job.setOutputValueClass(IntWritable.class);
+
+ job.setMapperClass(TestMapper.class);
+ job.setCombinerClass(TestCombiner.class);
+ job.setReducerClass(TestReducer.class);
+
+ job.setNumReduceTasks(2);
+
+ job.setInputFormatClass(TextInputFormat.class);
+
+ FileInputFormat.setInputPaths(job, new Path("igfs://:" + getTestGridName(0) + "@/"));
+ FileOutputFormat.setOutputPath(job, new Path("igfs://:" + getTestGridName(0) + "@/output"));
+
+ job.setJarByClass(getClass());
+
+ HadoopJobId jobId = new HadoopJobId(UUID.randomUUID(), 2);
+
+ IgniteInternalFuture<?> fut = grid(0).hadoop().submit(jobId, createJobInfo(job.getConfiguration()));
+
+ fut.get();
+
+ assertEquals(lineCnt, totalLineCnt.get());
+
+ assertEquals(34, taskWorkDirs.size());
+
+ for (int g = 0; g < gridCount(); g++)
+ grid(g).hadoop().finishFuture(jobId).get();
+ }
+
+ /**
+ * @throws Exception If failed.
+ */
+ public void testMapperException() throws Exception {
+ prepareFile("/testFile", 1000);
+
+ Configuration cfg = new Configuration();
+
+ cfg.setStrings("fs.igfs.impl", IgniteHadoopFileSystem.class.getName());
+
+ Job job = Job.getInstance(cfg);
+ job.setOutputKeyClass(Text.class);
+ job.setOutputValueClass(IntWritable.class);
+
+ job.setMapperClass(FailMapper.class);
+
+ job.setNumReduceTasks(0);
+
+ job.setInputFormatClass(TextInputFormat.class);
+
+ FileInputFormat.setInputPaths(job, new Path("igfs://:" + getTestGridName(0) + "@/"));
+ FileOutputFormat.setOutputPath(job, new Path("igfs://:" + getTestGridName(0) + "@/output/"));
+
+ job.setJarByClass(getClass());
+
+ final IgniteInternalFuture<?> fut = grid(0).hadoop().submit(new HadoopJobId(UUID.randomUUID(), 3),
+ createJobInfo(job.getConfiguration()));
+
+ GridTestUtils.assertThrows(log, new Callable<Object>() {
+ @Override public Object call() throws Exception {
+ fut.get();
+
+ return null;
+ }
+ }, IgniteCheckedException.class, null);
+ }
+
+ /**
+ * @param fileName File name.
+ * @param lineCnt Line count.
+ * @throws Exception If failed.
+ */
+ private void prepareFile(String fileName, int lineCnt) throws Exception {
+ IgniteFileSystem igfs = grid(0).fileSystem(igfsName);
+
+ try (OutputStream os = igfs.create(new IgfsPath(fileName), true)) {
+ PrintWriter w = new PrintWriter(new OutputStreamWriter(os));
+
+ for (int i = 0; i < lineCnt; i++)
+ w.print("Hello, Hadoop map-reduce!\n");
+
+ w.flush();
+ }
+ }
+
+ /**
+ * Prepare job with mappers to cancel.
+ * @return Fully configured job.
+ * @throws Exception If fails.
+ */
+ private Configuration prepareJobForCancelling() throws Exception {
+ prepareFile("/testFile", 1500);
+
+ executedTasks.set(0);
+ cancelledTasks.set(0);
+ failMapperId.set(0);
+ splitsCount.set(0);
+
+ Configuration cfg = new Configuration();
+
+ setupFileSystems(cfg);
+
+ Job job = Job.getInstance(cfg);
+ job.setOutputKeyClass(Text.class);
+ job.setOutputValueClass(IntWritable.class);
+
+ job.setMapperClass(CancellingTestMapper.class);
+
+ job.setNumReduceTasks(0);
+
+ job.setInputFormatClass(InFormat.class);
+
+ FileInputFormat.setInputPaths(job, new Path("igfs://:" + getTestGridName(0) + "@/"));
+ FileOutputFormat.setOutputPath(job, new Path("igfs://:" + getTestGridName(0) + "@/output/"));
+
+ job.setJarByClass(getClass());
+
+ return job.getConfiguration();
+ }
+
+ /**
+ * Test input format.
+ */
+ private static class InFormat extends TextInputFormat {
+ @Override public List<InputSplit> getSplits(JobContext ctx) throws IOException {
+ List<InputSplit> res = super.getSplits(ctx);
+
+ splitsCount.set(res.size());
+
+ X.println("___ split of input: " + splitsCount.get());
+
+ return res;
+ }
+ }
+
+ /**
+ * @throws Exception If failed.
+ */
+ public void testTaskCancelling() throws Exception {
+ Configuration cfg = prepareJobForCancelling();
+
+ HadoopJobId jobId = new HadoopJobId(UUID.randomUUID(), 1);
+
+ final IgniteInternalFuture<?> fut = grid(0).hadoop().submit(jobId, createJobInfo(cfg));
+
+ if (!GridTestUtils.waitForCondition(new GridAbsPredicate() {
+ @Override public boolean apply() {
+ return splitsCount.get() > 0;
+ }
+ }, 20000)) {
+ U.dumpThreads(log);
+
+ assertTrue(false);
+ }
+
+ if (!GridTestUtils.waitForCondition(new GridAbsPredicate() {
+ @Override public boolean apply() {
+ return executedTasks.get() == splitsCount.get();
+ }
+ }, 20000)) {
+ U.dumpThreads(log);
+
+ assertTrue(false);
+ }
+
+ // Fail mapper with id "1", cancels others
+ failMapperId.set(1);
+
+ GridTestUtils.assertThrows(log, new Callable<Object>() {
+ @Override public Object call() throws Exception {
+ fut.get();
+
+ return null;
+ }
+ }, IgniteCheckedException.class, null);
+
+ assertEquals(executedTasks.get(), cancelledTasks.get() + 1);
+ }
+
+ /**
+ * @throws Exception If failed.
+ */
+ public void testJobKill() throws Exception {
+ Configuration cfg = prepareJobForCancelling();
+
+ Hadoop hadoop = grid(0).hadoop();
+
+ HadoopJobId jobId = new HadoopJobId(UUID.randomUUID(), 1);
+
+ //Kill unknown job.
+ boolean killRes = hadoop.kill(jobId);
+
+ assertFalse(killRes);
+
+ final IgniteInternalFuture<?> fut = hadoop.submit(jobId, createJobInfo(cfg));
+
+ if (!GridTestUtils.waitForCondition(new GridAbsPredicate() {
+ @Override public boolean apply() {
+ return splitsCount.get() > 0;
+ }
+ }, 20000)) {
+ U.dumpThreads(log);
+
+ assertTrue(false);
+ }
+
+ if (!GridTestUtils.waitForCondition(new GridAbsPredicate() {
+ @Override public boolean apply() {
+ X.println("___ executed tasks: " + executedTasks.get());
+
+ return executedTasks.get() == splitsCount.get();
+ }
+ }, 20000)) {
+ U.dumpThreads(log);
+
+ fail();
+ }
+
+ //Kill really ran job.
+ killRes = hadoop.kill(jobId);
+
+ assertTrue(killRes);
+
+ GridTestUtils.assertThrows(log, new Callable<Object>() {
+ @Override public Object call() throws Exception {
+ fut.get();
+
+ return null;
+ }
+ }, IgniteCheckedException.class, null);
+
+ assertEquals(executedTasks.get(), cancelledTasks.get());
+
+ //Kill the same job again.
+ killRes = hadoop.kill(jobId);
+
+ assertFalse(killRes);
+ }
+
+ private static class CancellingTestMapper extends Mapper<Object, Text, Text, IntWritable> {
+ private int mapperId;
+
+ /** {@inheritDoc} */
+ @Override protected void setup(Context ctx) throws IOException, InterruptedException {
+ mapperId = executedTasks.incrementAndGet();
+ }
+
+ /** {@inheritDoc} */
+ @Override public void run(Context ctx) throws IOException, InterruptedException {
+ try {
+ super.run(ctx);
+ }
+ catch (HadoopTaskCancelledException e) {
+ cancelledTasks.incrementAndGet();
+
+ throw e;
+ }
+ }
+
+ /** {@inheritDoc} */
+ @Override protected void map(Object key, Text val, Context ctx) throws IOException, InterruptedException {
+ if (mapperId == failMapperId.get())
+ throw new IOException();
+
+ Thread.sleep(1000);
+ }
+ }
+
+ /**
+ * Test failing mapper.
+ */
+ private static class FailMapper extends Mapper<Object, Text, Text, IntWritable> {
+ /** {@inheritDoc} */
+ @Override protected void map(Object key, Text val, Context ctx) throws IOException, InterruptedException {
+ throw new IOException("Expected");
+ }
+ }
+
+ /**
+ * Mapper calculates number of lines.
+ */
+ private static class TestMapper extends Mapper<Object, Text, Text, IntWritable> {
+ /** Writable integer constant of '1'. */
+ private static final IntWritable ONE = new IntWritable(1);
+
+ /** Line count constant. */
+ public static final Text LINE_COUNT = new Text("lineCount");
+
+ /** {@inheritDoc} */
+ @Override protected void setup(Context ctx) throws IOException, InterruptedException {
+ X.println("___ Mapper: " + ctx.getTaskAttemptID());
+
+ String taskId = ctx.getTaskAttemptID().toString();
+
+ LocalFileSystem locFs = FileSystem.getLocal(ctx.getConfiguration());
+
+ String workDir = locFs.getWorkingDirectory().toString();
+
+ assertNull(taskWorkDirs.put(workDir, taskId));
+ }
+
+ /** {@inheritDoc} */
+ @Override protected void map(Object key, Text val, Context ctx) throws IOException, InterruptedException {
+ if (ctx.getConfiguration().getBoolean(MAP_WRITE, false))
+ ctx.write(LINE_COUNT, ONE);
+ else
+ totalLineCnt.incrementAndGet();
+ }
+ }
+
+ /**
+ * Combiner calculates number of lines.
+ */
+ private static class TestCombiner extends Reducer<Text, IntWritable, Text, IntWritable> {
+ /** */
+ IntWritable sum = new IntWritable();
+
+ /** {@inheritDoc} */
+ @Override protected void setup(Context ctx) throws IOException, InterruptedException {
+ X.println("___ Combiner: ");
+ }
+
+ /** {@inheritDoc} */
+ @Override protected void reduce(Text key, Iterable<IntWritable> values, Context ctx) throws IOException,
+ InterruptedException {
+ int lineCnt = 0;
+
+ for (IntWritable value : values)
+ lineCnt += value.get();
+
+ sum.set(lineCnt);
+
+ X.println("___ combo: " + lineCnt);
+
+ ctx.write(key, sum);
+ }
+ }
+
+ /**
+ * Combiner calculates number of lines.
+ */
+ private static class TestReducer extends Reducer<Text, IntWritable, Text, IntWritable> {
+ /** */
+ IntWritable sum = new IntWritable();
+
+ /** {@inheritDoc} */
+ @Override protected void setup(Context ctx) throws IOException, InterruptedException {
+ X.println("___ Reducer: " + ctx.getTaskAttemptID());
+
+ String taskId = ctx.getTaskAttemptID().toString();
+ String workDir = FileSystem.getLocal(ctx.getConfiguration()).getWorkingDirectory().toString();
+
+ assertNull(taskWorkDirs.put(workDir, taskId));
+ }
+
+ /** {@inheritDoc} */
+ @Override protected void reduce(Text key, Iterable<IntWritable> values, Context ctx) throws IOException,
+ InterruptedException {
+ int lineCnt = 0;
+
+ for (IntWritable value : values) {
+ lineCnt += value.get();
+
+ X.println("___ rdcr: " + value.get());
+ }
+
+ sum.set(lineCnt);
+
+ ctx.write(key, sum);
+
+ X.println("___ RDCR SUM: " + lineCnt);
+
+ totalLineCnt.addAndGet(lineCnt);
+ }
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/ignite/blob/8032fc2c/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTasksAllVersionsTest.java
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diff --git a/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTasksAllVersionsTest.java b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTasksAllVersionsTest.java
new file mode 100644
index 0000000..8b1b693
--- /dev/null
+++ b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTasksAllVersionsTest.java
@@ -0,0 +1,264 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.impl;
+
+import com.google.common.base.Joiner;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+import org.apache.hadoop.io.IntWritable;
+import org.apache.hadoop.io.Text;
+import org.apache.ignite.IgniteCheckedException;
+import org.apache.ignite.igfs.IgfsPath;
+import org.apache.ignite.internal.processors.hadoop.HadoopFileBlock;
+import org.apache.ignite.internal.processors.hadoop.HadoopJob;
+import org.apache.ignite.internal.processors.hadoop.HadoopTaskInfo;
+import org.apache.ignite.internal.processors.hadoop.HadoopTaskType;
+import org.apache.ignite.internal.processors.hadoop.impl.examples.HadoopWordCount2;
+
+/**
+ * Tests of Map, Combine and Reduce task executions of any version of hadoop API.
+ */
+abstract class HadoopTasksAllVersionsTest extends HadoopAbstractWordCountTest {
+ /** Empty hosts array. */
+ private static final String[] HOSTS = new String[0];
+
+ /**
+ * Creates some grid hadoop job. Override this method to create tests for any job implementation.
+ *
+ * @param inFile Input file name for the job.
+ * @param outFile Output file name for the job.
+ * @return Hadoop job.
+ * @throws IOException If fails.
+ */
+ public abstract HadoopJob getHadoopJob(String inFile, String outFile) throws Exception;
+
+ /**
+ * @return prefix of reducer output file name. It's "part-" for v1 and "part-r-" for v2 API
+ */
+ public abstract String getOutputFileNamePrefix();
+
+ /**
+ * Tests map task execution.
+ *
+ * @throws Exception If fails.
+ */
+ @SuppressWarnings("ConstantConditions")
+ public void testMapTask() throws Exception {
+ IgfsPath inDir = new IgfsPath(PATH_INPUT);
+
+ igfs.mkdirs(inDir);
+
+ IgfsPath inFile = new IgfsPath(inDir, HadoopWordCount2.class.getSimpleName() + "-input");
+
+ URI inFileUri = URI.create(igfsScheme() + inFile.toString());
+
+ try (PrintWriter pw = new PrintWriter(igfs.create(inFile, true))) {
+ pw.println("hello0 world0");
+ pw.println("world1 hello1");
+ }
+
+ HadoopFileBlock fileBlock1 = new HadoopFileBlock(HOSTS, inFileUri, 0, igfs.info(inFile).length() - 1);
+
+ try (PrintWriter pw = new PrintWriter(igfs.append(inFile, false))) {
+ pw.println("hello2 world2");
+ pw.println("world3 hello3");
+ }
+ HadoopFileBlock fileBlock2 = new HadoopFileBlock(HOSTS, inFileUri, fileBlock1.length(),
+ igfs.info(inFile).length() - fileBlock1.length());
+
+ HadoopJob gridJob = getHadoopJob(igfsScheme() + inFile.toString(), igfsScheme() + PATH_OUTPUT);
+
+ HadoopTaskInfo taskInfo = new HadoopTaskInfo(HadoopTaskType.MAP, gridJob.id(), 0, 0, fileBlock1);
+
+ HadoopTestTaskContext ctx = new HadoopTestTaskContext(taskInfo, gridJob);
+
+ ctx.mockOutput().clear();
+
+ ctx.run();
+
+ assertEquals("hello0,1; world0,1; world1,1; hello1,1", Joiner.on("; ").join(ctx.mockOutput()));
+
+ ctx.mockOutput().clear();
+
+ ctx.taskInfo(new HadoopTaskInfo(HadoopTaskType.MAP, gridJob.id(), 0, 0, fileBlock2));
+
+ ctx.run();
+
+ assertEquals("hello2,1; world2,1; world3,1; hello3,1", Joiner.on("; ").join(ctx.mockOutput()));
+ }
+
+ /**
+ * Generates input data for reduce-like operation into mock context input and runs the operation.
+ *
+ * @param gridJob Job is to create reduce task from.
+ * @param taskType Type of task - combine or reduce.
+ * @param taskNum Number of task in job.
+ * @param words Pairs of words and its counts.
+ * @return Context with mock output.
+ * @throws IgniteCheckedException If fails.
+ */
+ private HadoopTestTaskContext runTaskWithInput(HadoopJob gridJob, HadoopTaskType taskType,
+ int taskNum, String... words) throws IgniteCheckedException {
+ HadoopTaskInfo taskInfo = new HadoopTaskInfo(taskType, gridJob.id(), taskNum, 0, null);
+
+ HadoopTestTaskContext ctx = new HadoopTestTaskContext(taskInfo, gridJob);
+
+ for (int i = 0; i < words.length; i+=2) {
+ List<IntWritable> valList = new ArrayList<>();
+
+ for (int j = 0; j < Integer.parseInt(words[i + 1]); j++)
+ valList.add(new IntWritable(1));
+
+ ctx.mockInput().put(new Text(words[i]), valList);
+ }
+
+ ctx.run();
+
+ return ctx;
+ }
+
+ /**
+ * Tests reduce task execution.
+ *
+ * @throws Exception If fails.
+ */
+ public void testReduceTask() throws Exception {
+ HadoopJob gridJob = getHadoopJob(igfsScheme() + PATH_INPUT, igfsScheme() + PATH_OUTPUT);
+
+ runTaskWithInput(gridJob, HadoopTaskType.REDUCE, 0, "word1", "5", "word2", "10");
+ runTaskWithInput(gridJob, HadoopTaskType.REDUCE, 1, "word3", "7", "word4", "15");
+
+ assertEquals(
+ "word1\t5\n" +
+ "word2\t10\n",
+ readAndSortFile(PATH_OUTPUT + "/_temporary/0/task_00000000-0000-0000-0000-000000000000_0000_r_000000/" +
+ getOutputFileNamePrefix() + "00000")
+ );
+
+ assertEquals(
+ "word3\t7\n" +
+ "word4\t15\n",
+ readAndSortFile(PATH_OUTPUT + "/_temporary/0/task_00000000-0000-0000-0000-000000000000_0000_r_000001/" +
+ getOutputFileNamePrefix() + "00001")
+ );
+ }
+
+ /**
+ * Tests combine task execution.
+ *
+ * @throws Exception If fails.
+ */
+ public void testCombinerTask() throws Exception {
+ HadoopJob gridJob = getHadoopJob("/", "/");
+
+ HadoopTestTaskContext ctx =
+ runTaskWithInput(gridJob, HadoopTaskType.COMBINE, 0, "word1", "5", "word2", "10");
+
+ assertEquals("word1,5; word2,10", Joiner.on("; ").join(ctx.mockOutput()));
+
+ ctx = runTaskWithInput(gridJob, HadoopTaskType.COMBINE, 1, "word3", "7", "word4", "15");
+
+ assertEquals("word3,7; word4,15", Joiner.on("; ").join(ctx.mockOutput()));
+ }
+
+ /**
+ * Runs chain of map-combine task on file block.
+ *
+ * @param fileBlock block of input file to be processed.
+ * @param gridJob Hadoop job implementation.
+ * @return Context of combine task with mock output.
+ * @throws IgniteCheckedException If fails.
+ */
+ private HadoopTestTaskContext runMapCombineTask(HadoopFileBlock fileBlock, HadoopJob gridJob)
+ throws IgniteCheckedException {
+ HadoopTaskInfo taskInfo = new HadoopTaskInfo(HadoopTaskType.MAP, gridJob.id(), 0, 0, fileBlock);
+
+ HadoopTestTaskContext mapCtx = new HadoopTestTaskContext(taskInfo, gridJob);
+
+ mapCtx.run();
+
+ //Prepare input for combine
+ taskInfo = new HadoopTaskInfo(HadoopTaskType.COMBINE, gridJob.id(), 0, 0, null);
+
+ HadoopTestTaskContext combineCtx = new HadoopTestTaskContext(taskInfo, gridJob);
+
+ combineCtx.makeTreeOfWritables(mapCtx.mockOutput());
+
+ combineCtx.run();
+
+ return combineCtx;
+ }
+
+ /**
+ * Tests all job in complex.
+ * Runs 2 chains of map-combine tasks and sends result into one reduce task.
+ *
+ * @throws Exception If fails.
+ */
+ @SuppressWarnings("ConstantConditions")
+ public void testAllTasks() throws Exception {
+ IgfsPath inDir = new IgfsPath(PATH_INPUT);
+
+ igfs.mkdirs(inDir);
+
+ IgfsPath inFile = new IgfsPath(inDir, HadoopWordCount2.class.getSimpleName() + "-input");
+
+ URI inFileUri = URI.create(igfsScheme() + inFile.toString());
+
+ generateTestFile(inFile.toString(), "red", 100, "blue", 200, "green", 150, "yellow", 70);
+
+ //Split file into two blocks
+ long fileLen = igfs.info(inFile).length();
+
+ Long l = fileLen / 2;
+
+ HadoopFileBlock fileBlock1 = new HadoopFileBlock(HOSTS, inFileUri, 0, l);
+ HadoopFileBlock fileBlock2 = new HadoopFileBlock(HOSTS, inFileUri, l, fileLen - l);
+
+ HadoopJob gridJob = getHadoopJob(inFileUri.toString(), igfsScheme() + PATH_OUTPUT);
+
+ HadoopTestTaskContext combine1Ctx = runMapCombineTask(fileBlock1, gridJob);
+
+ HadoopTestTaskContext combine2Ctx = runMapCombineTask(fileBlock2, gridJob);
+
+ //Prepare input for combine
+ HadoopTaskInfo taskInfo = new HadoopTaskInfo(HadoopTaskType.REDUCE, gridJob.id(), 0, 0, null);
+
+ HadoopTestTaskContext reduceCtx = new HadoopTestTaskContext(taskInfo, gridJob);
+
+ reduceCtx.makeTreeOfWritables(combine1Ctx.mockOutput());
+ reduceCtx.makeTreeOfWritables(combine2Ctx.mockOutput());
+
+ reduceCtx.run();
+
+ reduceCtx.taskInfo(new HadoopTaskInfo(HadoopTaskType.COMMIT, gridJob.id(), 0, 0, null));
+
+ reduceCtx.run();
+
+ assertEquals(
+ "blue\t200\n" +
+ "green\t150\n" +
+ "red\t100\n" +
+ "yellow\t70\n",
+ readAndSortFile(PATH_OUTPUT + "/" + getOutputFileNamePrefix() + "00000")
+ );
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/ignite/blob/8032fc2c/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTasksV1Test.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTasksV1Test.java b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTasksV1Test.java
new file mode 100644
index 0000000..d7cd738
--- /dev/null
+++ b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTasksV1Test.java
@@ -0,0 +1,62 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.impl;
+
+import java.io.IOException;
+import java.util.UUID;
+import org.apache.hadoop.mapred.JobConf;
+import org.apache.ignite.internal.processors.hadoop.HadoopDefaultJobInfo;
+import org.apache.ignite.internal.processors.hadoop.HadoopJob;
+import org.apache.ignite.internal.processors.hadoop.HadoopJobId;
+import org.apache.ignite.internal.processors.hadoop.HadoopHelperImpl;
+import org.apache.ignite.internal.processors.hadoop.impl.examples.HadoopWordCount1;
+import org.apache.ignite.internal.processors.hadoop.impl.v2.HadoopV2Job;
+
+import static org.apache.ignite.internal.processors.hadoop.impl.HadoopUtils.createJobInfo;
+
+/**
+ * Tests of Map, Combine and Reduce task executions via running of job of hadoop API v1.
+ */
+public class HadoopTasksV1Test extends HadoopTasksAllVersionsTest {
+ /**
+ * Creates WordCount hadoop job for API v1.
+ *
+ * @param inFile Input file name for the job.
+ * @param outFile Output file name for the job.
+ * @return Hadoop job.
+ * @throws IOException If fails.
+ */
+ @Override public HadoopJob getHadoopJob(String inFile, String outFile) throws Exception {
+ JobConf jobConf = HadoopWordCount1.getJob(inFile, outFile);
+
+ setupFileSystems(jobConf);
+
+ HadoopDefaultJobInfo jobInfo = createJobInfo(jobConf);
+
+ UUID uuid = new UUID(0, 0);
+
+ HadoopJobId jobId = new HadoopJobId(uuid, 0);
+
+ return jobInfo.createJob(HadoopV2Job.class, jobId, log, null, new HadoopHelperImpl());
+ }
+
+ /** {@inheritDoc} */
+ @Override public String getOutputFileNamePrefix() {
+ return "part-";
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/ignite/blob/8032fc2c/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTasksV2Test.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTasksV2Test.java b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTasksV2Test.java
new file mode 100644
index 0000000..c635c41
--- /dev/null
+++ b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTasksV2Test.java
@@ -0,0 +1,81 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.impl;
+
+import java.util.UUID;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.IntWritable;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.mapreduce.Job;
+import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
+import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
+import org.apache.ignite.internal.processors.hadoop.HadoopDefaultJobInfo;
+import org.apache.ignite.internal.processors.hadoop.HadoopJob;
+import org.apache.ignite.internal.processors.hadoop.HadoopJobId;
+import org.apache.ignite.internal.processors.hadoop.HadoopHelperImpl;
+import org.apache.ignite.internal.processors.hadoop.impl.examples.HadoopWordCount2;
+import org.apache.ignite.internal.processors.hadoop.impl.v2.HadoopV2Job;
+
+import static org.apache.ignite.internal.processors.hadoop.impl.HadoopUtils.createJobInfo;
+
+/**
+ * Tests of Map, Combine and Reduce task executions via running of job of hadoop API v2.
+ */
+public class HadoopTasksV2Test extends HadoopTasksAllVersionsTest {
+ /**
+ * Creates WordCount hadoop job for API v2.
+ *
+ * @param inFile Input file name for the job.
+ * @param outFile Output file name for the job.
+ * @return Hadoop job.
+ * @throws Exception if fails.
+ */
+ @Override public HadoopJob getHadoopJob(String inFile, String outFile) throws Exception {
+ Job job = Job.getInstance();
+
+ job.setOutputKeyClass(Text.class);
+ job.setOutputValueClass(IntWritable.class);
+
+ HadoopWordCount2.setTasksClasses(job, true, true, true, false);
+
+ Configuration conf = job.getConfiguration();
+
+ setupFileSystems(conf);
+
+ FileInputFormat.setInputPaths(job, new Path(inFile));
+ FileOutputFormat.setOutputPath(job, new Path(outFile));
+
+ job.setJarByClass(HadoopWordCount2.class);
+
+ Job hadoopJob = HadoopWordCount2.getJob(inFile, outFile);
+
+ HadoopDefaultJobInfo jobInfo = createJobInfo(hadoopJob.getConfiguration());
+
+ UUID uuid = new UUID(0, 0);
+
+ HadoopJobId jobId = new HadoopJobId(uuid, 0);
+
+ return jobInfo.createJob(HadoopV2Job.class, jobId, log, null, new HadoopHelperImpl());
+ }
+
+ /** {@inheritDoc} */
+ @Override public String getOutputFileNamePrefix() {
+ return "part-r-";
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/ignite/blob/8032fc2c/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTestRoundRobinMrPlanner.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTestRoundRobinMrPlanner.java b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTestRoundRobinMrPlanner.java
new file mode 100644
index 0000000..81f6f3c
--- /dev/null
+++ b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTestRoundRobinMrPlanner.java
@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.impl;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.UUID;
+import org.apache.ignite.IgniteCheckedException;
+import org.apache.ignite.cluster.ClusterNode;
+import org.apache.ignite.internal.processors.hadoop.HadoopInputSplit;
+import org.apache.ignite.internal.processors.hadoop.HadoopJob;
+import org.apache.ignite.internal.processors.hadoop.HadoopMapReducePlan;
+import org.apache.ignite.internal.processors.hadoop.HadoopMapReducePlanner;
+import org.apache.ignite.internal.processors.hadoop.planner.HadoopDefaultMapReducePlan;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * Round-robin mr planner.
+ */
+public class HadoopTestRoundRobinMrPlanner implements HadoopMapReducePlanner {
+ /** {@inheritDoc} */
+ @Override public HadoopMapReducePlan preparePlan(HadoopJob job, Collection<ClusterNode> top,
+ @Nullable HadoopMapReducePlan oldPlan) throws IgniteCheckedException {
+ if (top.isEmpty())
+ throw new IllegalArgumentException("Topology is empty");
+
+ // Has at least one element.
+ Iterator<ClusterNode> it = top.iterator();
+
+ Map<UUID, Collection<HadoopInputSplit>> mappers = new HashMap<>();
+
+ for (HadoopInputSplit block : job.input()) {
+ ClusterNode node = it.next();
+
+ Collection<HadoopInputSplit> nodeBlocks = mappers.get(node.id());
+
+ if (nodeBlocks == null) {
+ nodeBlocks = new ArrayList<>();
+
+ mappers.put(node.id(), nodeBlocks);
+ }
+
+ nodeBlocks.add(block);
+
+ if (!it.hasNext())
+ it = top.iterator();
+ }
+
+ int[] rdc = new int[job.info().reducers()];
+
+ for (int i = 0; i < rdc.length; i++)
+ rdc[i] = i;
+
+ return new HadoopDefaultMapReducePlan(mappers, Collections.singletonMap(it.next().id(), rdc));
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/ignite/blob/8032fc2c/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTestTaskContext.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTestTaskContext.java b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTestTaskContext.java
new file mode 100644
index 0000000..cfd41cf
--- /dev/null
+++ b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTestTaskContext.java
@@ -0,0 +1,233 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.impl;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.DataInput;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+import org.apache.hadoop.io.IntWritable;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.mapred.JobConf;
+import org.apache.ignite.IgniteCheckedException;
+import org.apache.ignite.internal.processors.hadoop.HadoopDefaultJobInfo;
+import org.apache.ignite.internal.processors.hadoop.HadoopJob;
+import org.apache.ignite.internal.processors.hadoop.HadoopTaskInfo;
+import org.apache.ignite.internal.processors.hadoop.HadoopTaskInput;
+import org.apache.ignite.internal.processors.hadoop.HadoopTaskOutput;
+import org.apache.ignite.internal.processors.hadoop.impl.v2.HadoopV2TaskContext;
+
+/**
+ * Context for test purpose.
+ */
+class HadoopTestTaskContext extends HadoopV2TaskContext {
+ /**
+ * Simple key-vale pair.
+ * @param <K> Key class.
+ * @param <V> Value class.
+ */
+ public static class Pair<K,V> {
+ /** Key */
+ private K key;
+
+ /** Value */
+ private V val;
+
+ /**
+ * @param key key.
+ * @param val value.
+ */
+ Pair(K key, V val) {
+ this.key = key;
+ this.val = val;
+ }
+
+ /**
+ * Getter of key.
+ * @return key.
+ */
+ K key() {
+ return key;
+ }
+
+ /**
+ * Getter of value.
+ * @return value.
+ */
+ V value() {
+ return val;
+ }
+
+ /** {@inheritDoc} */
+ @Override public String toString() {
+ return key + "," + val;
+ }
+ }
+
+ /** Mock output container- result data of task execution if it is not overridden. */
+ private List<Pair<String, Integer>> mockOutput = new ArrayList<>();
+
+ /** Mock input container- input data if it is not overridden. */
+ private Map<Object,List> mockInput = new TreeMap<>();
+
+ /** Context output implementation to write data into mockOutput. */
+ private HadoopTaskOutput output = new HadoopTaskOutput() {
+ /** {@inheritDoc} */
+ @Override public void write(Object key, Object val) {
+ //Check of casting and extract/copy values
+ String strKey = new String(((Text)key).getBytes());
+ int intVal = ((IntWritable)val).get();
+
+ mockOutput().add(new Pair<>(strKey, intVal));
+ }
+
+ /** {@inheritDoc} */
+ @Override public void close() {
+ throw new UnsupportedOperationException();
+ }
+ };
+
+ /** Context input implementation to read data from mockInput. */
+ private HadoopTaskInput input = new HadoopTaskInput() {
+ /** Iterator of keys and associated lists of values. */
+ Iterator<Map.Entry<Object, List>> iter;
+
+ /** Current key and associated value list. */
+ Map.Entry<Object, List> currEntry;
+
+ /** {@inheritDoc} */
+ @Override public boolean next() {
+ if (iter == null)
+ iter = mockInput().entrySet().iterator();
+
+ if (iter.hasNext())
+ currEntry = iter.next();
+ else
+ currEntry = null;
+
+ return currEntry != null;
+ }
+
+ /** {@inheritDoc} */
+ @Override public Object key() {
+ return currEntry.getKey();
+ }
+
+ /** {@inheritDoc} */
+ @Override public Iterator<?> values() {
+ return currEntry.getValue().iterator() ;
+ }
+
+ /** {@inheritDoc} */
+ @Override public void close() {
+ throw new UnsupportedOperationException();
+ }
+ };
+
+ /**
+ * Getter of mock output container - result of task if it is not overridden.
+ *
+ * @return mock output.
+ */
+ public List<Pair<String, Integer>> mockOutput() {
+ return mockOutput;
+ }
+
+ /**
+ * Getter of mock input container- input data if it is not overridden.
+ *
+ * @return mock output.
+ */
+ public Map<Object, List> mockInput() {
+ return mockInput;
+ }
+
+ /**
+ * Generate one-key-multiple-values tree from array of key-value pairs, and wrap its into Writable objects.
+ * The result is placed into mock input.
+ *
+ * @param flatData list of key-value pair.
+ */
+ public void makeTreeOfWritables(Iterable<Pair<String, Integer>> flatData) {
+ Text key = new Text();
+
+ for (Pair<String, Integer> pair : flatData) {
+ key.set(pair.key);
+ ArrayList<IntWritable> valList;
+
+ if (!mockInput.containsKey(key)) {
+ valList = new ArrayList<>();
+ mockInput.put(key, valList);
+ key = new Text();
+ }
+ else
+ valList = (ArrayList<IntWritable>) mockInput.get(key);
+ valList.add(new IntWritable(pair.value()));
+ }
+ }
+
+ /**
+ * @param taskInfo Task info.
+ * @param gridJob Grid Hadoop job.
+ */
+ public HadoopTestTaskContext(HadoopTaskInfo taskInfo, HadoopJob gridJob) throws IgniteCheckedException {
+ super(taskInfo, gridJob, gridJob.id(), null, jobConfDataInput(gridJob));
+ }
+
+ /**
+ * Creates DataInput to read JobConf.
+ *
+ * @param job Job.
+ * @return DataInput with JobConf.
+ * @throws IgniteCheckedException If failed.
+ */
+ private static DataInput jobConfDataInput(HadoopJob job) throws IgniteCheckedException {
+ JobConf jobConf = new JobConf();
+
+ for (Map.Entry<String, String> e : ((HadoopDefaultJobInfo)job.info()).properties().entrySet())
+ jobConf.set(e.getKey(), e.getValue());
+
+ ByteArrayOutputStream buf = new ByteArrayOutputStream();
+
+ try {
+ jobConf.write(new DataOutputStream(buf));
+ }
+ catch (IOException e) {
+ throw new IgniteCheckedException(e);
+ }
+
+ return new DataInputStream(new ByteArrayInputStream(buf.toByteArray()));
+ }
+
+ /** {@inheritDoc} */
+ @Override public HadoopTaskOutput output() {
+ return output;
+ }
+
+ /** {@inheritDoc} */
+ @Override public HadoopTaskInput input() {
+ return input;
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/ignite/blob/8032fc2c/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTestUtils.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTestUtils.java b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTestUtils.java
new file mode 100644
index 0000000..e8ec8a9
--- /dev/null
+++ b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTestUtils.java
@@ -0,0 +1,178 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.impl;
+
+import org.apache.ignite.internal.util.typedef.F;
+import org.apache.ignite.internal.util.typedef.internal.U;
+import org.jetbrains.annotations.Nullable;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Utility class for tests.
+ */
+public class HadoopTestUtils {
+ /** Base test directory. */
+ private static final File BASE_TEST_DIR = new File(U.getIgniteHome() + "/work/test/hadoop/");
+
+ /**
+ * @return Base directory for tests.
+ */
+ public static File baseTestDir() {
+ return BASE_TEST_DIR;
+ }
+
+ /**
+ * Get test directory.
+ *
+ * @param parts Parts.
+ * @return Directory.
+ */
+ public static File testDir(String... parts) {
+ File res = BASE_TEST_DIR;
+
+ if (parts != null) {
+ for (String part : parts)
+ res = new File(res, part);
+ }
+
+ return res;
+ }
+
+ /**
+ * Clear base test directory.
+ */
+ public static void clearBaseTestDir() {
+ if (baseTestDir().exists())
+ assert delete(baseTestDir());
+ }
+
+ /**
+ * Checks that job statistics file contains valid strings only.
+ *
+ * @param reader Buffered reader to get lines of job statistics.
+ * @return Amount of events.
+ * @throws IOException If failed.
+ */
+ @SuppressWarnings("ResultOfMethodCallIgnored")
+ public static long simpleCheckJobStatFile(BufferedReader reader) throws IOException {
+ Collection<String> phases = new HashSet<>();
+
+ phases.add("submit");
+ phases.add("prepare");
+ phases.add("start");
+ phases.add("finish");
+ phases.add("requestId");
+ phases.add("responseId");
+
+ Collection<String> evtTypes = new HashSet<>();
+
+ evtTypes.add("JOB");
+ evtTypes.add("SETUP");
+ evtTypes.add("MAP");
+ evtTypes.add("SHUFFLE");
+ evtTypes.add("REDUCE");
+ evtTypes.add("COMBINE");
+ evtTypes.add("COMMIT");
+
+ long evtCnt = 0;
+ String line;
+
+ Map<Long, String> reduceNodes = new HashMap<>();
+
+ while((line = reader.readLine()) != null) {
+ String[] splitLine = line.split(":");
+
+ //Try parse timestamp
+ Long.parseLong(splitLine[1]);
+
+ String[] evt = splitLine[0].split(" ");
+
+ assertTrue("Unknown event '" + evt[0] + "'", evtTypes.contains(evt[0]));
+
+ String phase;
+
+ if ("JOB".equals(evt[0]))
+ phase = evt[1];
+ else {
+ assertEquals(4, evt.length);
+ assertTrue("The node id is not defined", !F.isEmpty(evt[3]));
+
+ long taskNum = Long.parseLong(evt[1]);
+
+ if (("REDUCE".equals(evt[0]) || "SHUFFLE".equals(evt[0]))) {
+ String nodeId = reduceNodes.get(taskNum);
+
+ if (nodeId == null)
+ reduceNodes.put(taskNum, evt[3]);
+ else
+ assertEquals("Different nodes for SHUFFLE and REDUCE tasks", nodeId, evt[3]);
+ }
+
+ phase = evt[2];
+ }
+
+ assertTrue("Unknown phase '" + phase + "' in " + Arrays.toString(evt), phases.contains(phase));
+
+ evtCnt++;
+ }
+
+ return evtCnt;
+ }
+
+ /**
+ * Deletes file or directory with all sub-directories and files.
+ *
+ * @param file File or directory to delete.
+ * @return {@code true} if and only if the file or directory is successfully deleted,
+ * {@code false} otherwise
+ */
+ public static boolean delete(@Nullable File file) {
+ if (file == null)
+ return false;
+
+ boolean res = true;
+
+ if (file.isDirectory()) {
+ File[] files = file.listFiles();
+
+ if (files != null && files.length > 0)
+ for (File file1 : files)
+ if (file1.isDirectory())
+ res &= delete(file1);
+ else
+ res &= file1.delete();
+
+ res &= file.delete();
+ }
+ else
+ res = file.delete();
+
+ return res;
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/ignite/blob/8032fc2c/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTxConfigCacheTest.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTxConfigCacheTest.java b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTxConfigCacheTest.java
new file mode 100644
index 0000000..e85baed
--- /dev/null
+++ b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopTxConfigCacheTest.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.impl;
+
+import org.apache.ignite.Ignite;
+import org.apache.ignite.internal.processors.cache.IgniteInternalCache;
+import org.apache.ignite.internal.processors.cache.IgniteTxConfigCacheSelfTest;
+import org.apache.ignite.internal.util.typedef.internal.CU;
+
+/**
+ * Test checks whether hadoop system cache doesn't use user defined TX config.
+ */
+public class HadoopTxConfigCacheTest extends IgniteTxConfigCacheSelfTest {
+ /**
+ * Success if system caches weren't timed out.
+ *
+ * @throws Exception
+ */
+ public void testSystemCacheTx() throws Exception {
+ final Ignite ignite = grid(0);
+
+ final IgniteInternalCache<Object, Object> hadoopCache = getSystemCache(ignite, CU.SYS_CACHE_HADOOP_MR);
+
+ checkImplicitTxSuccess(hadoopCache);
+ checkStartTxSuccess(hadoopCache);
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/ignite/blob/8032fc2c/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopUserLibsSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopUserLibsSelfTest.java b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopUserLibsSelfTest.java
new file mode 100644
index 0000000..0e4a0ef
--- /dev/null
+++ b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopUserLibsSelfTest.java
@@ -0,0 +1,261 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.impl;
+
+import org.apache.ignite.internal.processors.hadoop.HadoopClasspathUtils;
+import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+
+/**
+ * Tests for user libs parsing.
+ */
+public class HadoopUserLibsSelfTest extends GridCommonAbstractTest {
+ /** Directory 1. */
+ private static final File DIR_1 = HadoopTestUtils.testDir("dir1");
+
+ /** File 1 in directory 1. */
+ private static final File FILE_1_1 = new File(DIR_1, "file1.jar");
+
+ /** File 2 in directory 1. */
+ private static final File FILE_1_2 = new File(DIR_1, "file2.jar");
+
+ /** Directory 2. */
+ private static final File DIR_2 = HadoopTestUtils.testDir("dir2");
+
+ /** File 1 in directory 2. */
+ private static final File FILE_2_1 = new File(DIR_2, "file1.jar");
+
+ /** File 2 in directory 2. */
+ private static final File FILE_2_2 = new File(DIR_2, "file2.jar");
+
+ /** Missing directory. */
+ private static final File MISSING_DIR = HadoopTestUtils.testDir("missing_dir");
+
+ /** Missing file. */
+ private static final File MISSING_FILE = new File(MISSING_DIR, "file.jar");
+
+ /** {@inheritDoc} */
+ @Override protected void beforeTestsStarted() throws Exception {
+ HadoopTestUtils.clearBaseTestDir();
+
+ assert DIR_1.mkdirs();
+ assert DIR_2.mkdirs();
+
+ assert FILE_1_1.createNewFile();
+ assert FILE_1_2.createNewFile();
+ assert FILE_2_1.createNewFile();
+ assert FILE_2_2.createNewFile();
+ }
+
+ /** {@inheritDoc} */
+ @Override protected void beforeTest() throws Exception {
+ // Sanity checks before test start.
+ ensureExists(FILE_1_1);
+ ensureExists(FILE_1_2);
+ ensureExists(FILE_2_1);
+ ensureExists(FILE_2_2);
+
+ ensureNotExists(MISSING_DIR);
+ ensureNotExists(MISSING_FILE);
+ }
+
+ /** {@inheritDoc} */
+ @Override protected void afterTestsStopped() throws Exception {
+ HadoopTestUtils.clearBaseTestDir();
+ }
+
+ /**
+ * Test null or empty user libs.
+ *
+ * @throws Exception If failed.
+ */
+ public void testNullOrEmptyUserLibs() throws Exception {
+ assert parse(null).isEmpty();
+ assert parse("").isEmpty();
+ }
+
+ /**
+ * Test single file.
+ *
+ * @throws Exception If failed.
+ */
+ public void testSingle() throws Exception {
+ Collection<File> res = parse(single(FILE_1_1));
+
+ assert res.size() == 1;
+ assert res.contains(FILE_1_1);
+
+ res = parse(single(MISSING_FILE));
+
+ assert res.size() == 0;
+ }
+
+ /**
+ * Test multiple files.
+ *
+ * @throws Exception If failed.
+ */
+ public void testMultiple() throws Exception {
+ Collection<File> res =
+ parse(merge(single(FILE_1_1), single(FILE_1_2), single(FILE_2_1), single(FILE_2_2), single(MISSING_FILE)));
+
+ assert res.size() == 4;
+ assert res.contains(FILE_1_1);
+ assert res.contains(FILE_1_2);
+ assert res.contains(FILE_2_1);
+ assert res.contains(FILE_2_2);
+ }
+
+ /**
+ * Test single wildcard.
+ *
+ * @throws Exception If failed.
+ */
+ public void testSingleWildcard() throws Exception {
+ Collection<File> res = parse(wildcard(DIR_1));
+
+ assert res.size() == 2;
+ assert res.contains(FILE_1_1);
+ assert res.contains(FILE_1_2);
+
+ res = parse(wildcard(MISSING_DIR));
+
+ assert res.size() == 0;
+ }
+
+ /**
+ * Test multiple wildcards.
+ *
+ * @throws Exception If failed.
+ */
+ public void testMultipleWildcards() throws Exception {
+ Collection<File> res = parse(merge(wildcard(DIR_1), wildcard(DIR_2), wildcard(MISSING_DIR)));
+
+ assert res.size() == 4;
+ assert res.contains(FILE_1_1);
+ assert res.contains(FILE_1_2);
+ assert res.contains(FILE_2_1);
+ assert res.contains(FILE_2_2);
+ }
+
+ /**
+ * Test mixed tokens.
+ *
+ * @throws Exception If failed.
+ */
+ public void testMixed() throws Exception {
+ String str = merge(
+ single(FILE_1_1),
+ wildcard(DIR_2),
+ single(MISSING_FILE),
+ wildcard(MISSING_DIR)
+ );
+
+ Collection<File> res = parse(str);
+
+ assert res.size() == 3;
+ assert res.contains(FILE_1_1);
+ assert res.contains(FILE_2_1);
+ assert res.contains(FILE_2_2);
+ }
+ /**
+ * Ensure provided file exists.
+ *
+ * @param file File.
+ */
+ private static void ensureExists(File file) {
+ assert file.exists();
+ }
+
+ /**
+ * Ensure provided file doesn't exist.
+ *
+ * @param file File.
+ */
+ private static void ensureNotExists(File file) {
+ assert !file.exists();
+ }
+
+ /**
+ * Merge string using path separator.
+ *
+ * @param vals Values.
+ * @return Result.
+ */
+ private static String merge(String... vals) {
+ StringBuilder res = new StringBuilder();
+
+ if (vals != null) {
+ boolean first = true;
+
+ for (String val : vals) {
+ if (first)
+ first = false;
+ else
+ res.append(File.pathSeparatorChar);
+
+ res.append(val);
+ }
+ }
+
+ return res.toString();
+ }
+
+ /**
+ * Parse string.
+ *
+ * @param str String.
+ * @return Files.
+ * @throws IOException If failed.
+ */
+ Collection<File> parse(String str) throws IOException {
+ Collection<HadoopClasspathUtils.SearchDirectory> dirs = HadoopClasspathUtils.parseUserLibs(str);
+
+ Collection<File> res = new HashSet<>();
+
+ for (HadoopClasspathUtils.SearchDirectory dir : dirs)
+ Collections.addAll(res, dir.files());
+
+ return res;
+ }
+
+ /**
+ * Get absolute path to a single file.
+ *
+ * @param file File.
+ * @return Path.
+ */
+ private static String single(File file) {
+ return file.getAbsolutePath();
+ }
+
+ /**
+ * Create a wildcard.
+ *
+ * @param file File.
+ * @return Wildcard.
+ */
+ private static String wildcard(File file) {
+ return file.getAbsolutePath() + File.separatorChar + "*";
+ }
+}
http://git-wip-us.apache.org/repos/asf/ignite/blob/8032fc2c/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopV2JobSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopV2JobSelfTest.java b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopV2JobSelfTest.java
new file mode 100644
index 0000000..540a7aa
--- /dev/null
+++ b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopV2JobSelfTest.java
@@ -0,0 +1,108 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.impl;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInput;
+import java.io.DataInputStream;
+import java.io.InputStream;
+import java.util.UUID;
+import org.apache.hadoop.fs.CommonConfigurationKeys;
+import org.apache.hadoop.io.IntWritable;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.Writable;
+import org.apache.hadoop.io.serializer.Deserializer;
+import org.apache.hadoop.io.serializer.WritableSerialization;
+import org.apache.hadoop.mapred.JobConf;
+import org.apache.ignite.IgniteCheckedException;
+import org.apache.ignite.internal.processors.hadoop.HadoopDefaultJobInfo;
+import org.apache.ignite.internal.processors.hadoop.HadoopJob;
+import org.apache.ignite.internal.processors.hadoop.HadoopJobId;
+import org.apache.ignite.internal.processors.hadoop.HadoopSerialization;
+import org.apache.ignite.internal.processors.hadoop.HadoopTaskContext;
+import org.apache.ignite.internal.processors.hadoop.HadoopTaskInfo;
+import org.apache.ignite.internal.processors.hadoop.HadoopTaskType;
+import org.apache.ignite.internal.processors.hadoop.HadoopHelperImpl;
+import org.apache.ignite.internal.processors.hadoop.impl.v2.HadoopSerializationWrapper;
+import org.apache.ignite.internal.processors.hadoop.impl.v2.HadoopV2Job;
+
+import static org.apache.ignite.internal.processors.hadoop.impl.HadoopUtils.createJobInfo;
+
+/**
+ * Self test of {@link org.apache.ignite.internal.processors.hadoop.impl.v2.HadoopV2Job}.
+ */
+public class HadoopV2JobSelfTest extends HadoopAbstractSelfTest {
+ /** */
+ private static final String TEST_SERIALIZED_VALUE = "Test serialized value";
+
+ /**
+ * Custom serialization class that accepts {@link Writable}.
+ */
+ private static class CustomSerialization extends WritableSerialization {
+ /** {@inheritDoc} */
+ @Override public Deserializer<Writable> getDeserializer(Class<Writable> c) {
+ return new Deserializer<Writable>() {
+ @Override public void open(InputStream in) { }
+
+ @Override public Writable deserialize(Writable writable) {
+ return new Text(TEST_SERIALIZED_VALUE);
+ }
+
+ @Override public void close() { }
+ };
+ }
+ }
+
+ /**
+ * Tests that {@link HadoopJob} provides wrapped serializer if it's set in configuration.
+ *
+ * @throws IgniteCheckedException If fails.
+ */
+ public void testCustomSerializationApplying() throws IgniteCheckedException {
+ JobConf cfg = new JobConf();
+
+ cfg.setMapOutputKeyClass(IntWritable.class);
+ cfg.setMapOutputValueClass(Text.class);
+ cfg.set(CommonConfigurationKeys.IO_SERIALIZATIONS_KEY, CustomSerialization.class.getName());
+
+ HadoopDefaultJobInfo info = createJobInfo(cfg);
+
+ final UUID uuid = UUID.randomUUID();
+
+ HadoopJobId id = new HadoopJobId(uuid, 1);
+
+ HadoopJob job = info.createJob(HadoopV2Job.class, id, log, null, new HadoopHelperImpl());
+
+ HadoopTaskContext taskCtx = job.getTaskContext(new HadoopTaskInfo(HadoopTaskType.MAP, null, 0, 0,
+ null));
+
+ HadoopSerialization ser = taskCtx.keySerialization();
+
+ assertEquals(HadoopSerializationWrapper.class.getName(), ser.getClass().getName());
+
+ DataInput in = new DataInputStream(new ByteArrayInputStream(new byte[0]));
+
+ assertEquals(TEST_SERIALIZED_VALUE, ser.read(in, null).toString());
+
+ ser = taskCtx.valueSerialization();
+
+ assertEquals(HadoopSerializationWrapper.class.getName(), ser.getClass().getName());
+
+ assertEquals(TEST_SERIALIZED_VALUE, ser.read(in, null).toString());
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/ignite/blob/8032fc2c/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopValidationSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopValidationSelfTest.java b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopValidationSelfTest.java
new file mode 100644
index 0000000..2d61016
--- /dev/null
+++ b/modules/hadoop/src/test/java/org/apache/ignite/internal/processors/hadoop/impl/HadoopValidationSelfTest.java
@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.hadoop.impl;
+
+import org.apache.ignite.configuration.IgniteConfiguration;
+
+/**
+ * Configuration validation tests.
+ */
+public class HadoopValidationSelfTest extends HadoopAbstractSelfTest {
+ /** Peer class loading enabled flag. */
+ public boolean peerClassLoading;
+
+ /** {@inheritDoc} */
+ @Override protected void afterTest() throws Exception {
+ stopAllGrids(true);
+
+ peerClassLoading = false;
+ }
+
+ /** {@inheritDoc} */
+ @Override protected IgniteConfiguration getConfiguration(String gridName) throws Exception {
+ IgniteConfiguration cfg = super.getConfiguration(gridName);
+
+ cfg.setPeerClassLoadingEnabled(peerClassLoading);
+
+ return cfg;
+ }
+
+ /**
+ * Ensure that Grid starts when all configuration parameters are valid.
+ *
+ * @throws Exception If failed.
+ */
+ public void testValid() throws Exception {
+ startGrids(1);
+ }
+}
\ No newline at end of file