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From agoncha...@apache.org
Subject [13/79] [abbrv] incubator-ignite git commit: IGNITE-386: Squashed changes.
Date Fri, 06 Mar 2015 06:48:25 GMT
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/test/java/org/apache/ignite/igfs/HadoopSecondaryFileSystemConfigurationTest.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/igfs/HadoopSecondaryFileSystemConfigurationTest.java b/modules/hadoop/src/test/java/org/apache/ignite/igfs/HadoopSecondaryFileSystemConfigurationTest.java
index 4ad74d0..2994107 100644
--- a/modules/hadoop/src/test/java/org/apache/ignite/igfs/HadoopSecondaryFileSystemConfigurationTest.java
+++ b/modules/hadoop/src/test/java/org/apache/ignite/igfs/HadoopSecondaryFileSystemConfigurationTest.java
@@ -2,14 +2,15 @@ package org.apache.ignite.igfs;
 
 import org.apache.hadoop.conf.*;
 import org.apache.hadoop.fs.*;
+import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.permission.*;
 import org.apache.ignite.*;
 import org.apache.ignite.cache.*;
 import org.apache.ignite.configuration.*;
-import org.apache.ignite.igfs.hadoop.*;
-import org.apache.ignite.igfs.hadoop.v1.*;
-import org.apache.ignite.internal.igfs.hadoop.*;
+import org.apache.ignite.hadoop.fs.*;
+import org.apache.ignite.hadoop.fs.v1.*;
 import org.apache.ignite.internal.processors.hadoop.*;
+import org.apache.ignite.internal.processors.hadoop.igfs.*;
 import org.apache.ignite.internal.processors.igfs.*;
 import org.apache.ignite.internal.util.typedef.*;
 import org.apache.ignite.internal.util.typedef.internal.*;
@@ -221,7 +222,7 @@ public class HadoopSecondaryFileSystemConfigurationTest extends IgfsCommonAbstra
      * Starts secondary IGFS
      */
     private void startSecondary() {
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setDataCacheName("partitioned");
         igfsCfg.setMetaCacheName("replicated");
@@ -259,7 +260,7 @@ public class HadoopSecondaryFileSystemConfigurationTest extends IgfsCommonAbstra
 
         cfg.setDiscoverySpi(discoSpi);
         cfg.setCacheConfiguration(metaCacheCfg, cacheCfg);
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
         cfg.setIncludeEventTypes(EVT_TASK_FAILED, EVT_TASK_FINISHED, EVT_JOB_MAPPED);
 
         cfg.setCommunicationSpi(communicationSpi());
@@ -295,7 +296,7 @@ public class HadoopSecondaryFileSystemConfigurationTest extends IgfsCommonAbstra
 
         cfg.setDiscoverySpi(discoSpi);
         cfg.setCacheConfiguration(cacheConfiguration());
-        cfg.setIgfsConfiguration(igfsConfiguration(gridName));
+        cfg.setFileSystemConfiguration(fsConfiguration(gridName));
         cfg.setIncludeEventTypes(EVT_TASK_FAILED, EVT_TASK_FINISHED, EVT_JOB_MAPPED);
         cfg.setCommunicationSpi(communicationSpi());
 
@@ -336,8 +337,8 @@ public class HadoopSecondaryFileSystemConfigurationTest extends IgfsCommonAbstra
      * @param gridName Grid name.
      * @return IGFS configuration.
      */
-    protected IgfsConfiguration igfsConfiguration(String gridName) throws IgniteCheckedException {
-        IgfsConfiguration cfg = new IgfsConfiguration();
+    protected FileSystemConfiguration fsConfiguration(String gridName) throws IgniteCheckedException {
+        FileSystemConfiguration cfg = new FileSystemConfiguration();
 
         cfg.setDataCacheName("partitioned");
         cfg.setMetaCacheName("replicated");
@@ -347,7 +348,7 @@ public class HadoopSecondaryFileSystemConfigurationTest extends IgfsCommonAbstra
 
         if (mode != PRIMARY)
             cfg.setSecondaryFileSystem(
-                new IgfsHadoopFileSystemWrapper(secondaryFsUriStr, secondaryConfFullPath));
+                new IgniteHadoopIgfsSecondaryFileSystem(secondaryFsUriStr, secondaryConfFullPath));
 
         cfg.setIpcEndpointConfiguration(primaryIpcEndpointConfiguration(gridName));
 
@@ -462,10 +463,10 @@ public class HadoopSecondaryFileSystemConfigurationTest extends IgfsCommonAbstra
 
         if (authority != null) {
             if (skipEmbed)
-                cfg.setBoolean(String.format(IgfsHadoopUtils.PARAM_IGFS_ENDPOINT_NO_EMBED, authority), true);
+                cfg.setBoolean(String.format(HadoopIgfsUtils.PARAM_IGFS_ENDPOINT_NO_EMBED, authority), true);
 
             if (skipLocShmem)
-                cfg.setBoolean(String.format(IgfsHadoopUtils.PARAM_IGFS_ENDPOINT_NO_LOCAL_SHMEM, authority), true);
+                cfg.setBoolean(String.format(HadoopIgfsUtils.PARAM_IGFS_ENDPOINT_NO_LOCAL_SHMEM, authority), true);
         }
 
         return cfg;
@@ -477,10 +478,10 @@ public class HadoopSecondaryFileSystemConfigurationTest extends IgfsCommonAbstra
      * @param cfg the configuration to set parameters into.
      */
     private static void setImplClasses(Configuration cfg) {
-        cfg.set("fs.igfs.impl", IgfsHadoopFileSystem.class.getName());
+        cfg.set("fs.igfs.impl", IgniteHadoopFileSystem.class.getName());
 
         cfg.set("fs.AbstractFileSystem.igfs.impl",
-            org.apache.ignite.igfs.hadoop.v2.IgfsHadoopFileSystem.class.getName());
+            org.apache.ignite.hadoop.fs.v2.IgniteHadoopFileSystem.class.getName());
     }
 
     /**

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsEventsTestSuite.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsEventsTestSuite.java b/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsEventsTestSuite.java
index 29696bf..f6f5bae 100644
--- a/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsEventsTestSuite.java
+++ b/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsEventsTestSuite.java
@@ -20,7 +20,7 @@ package org.apache.ignite.igfs;
 import junit.framework.*;
 import org.apache.ignite.*;
 import org.apache.ignite.configuration.*;
-import org.apache.ignite.igfs.hadoop.*;
+import org.apache.ignite.hadoop.fs.*;
 import org.apache.ignite.internal.processors.hadoop.*;
 import org.apache.ignite.internal.util.ipc.shmem.*;
 import org.apache.ignite.internal.util.typedef.*;
@@ -40,7 +40,7 @@ public class IgfsEventsTestSuite extends TestSuite {
      * @throws Exception Thrown in case of the failure.
      */
     public static TestSuite suite() throws Exception {
-        GridHadoopClassLoader ldr = new GridHadoopClassLoader(null);
+        HadoopClassLoader ldr = new HadoopClassLoader(null);
 
         TestSuite suite = new TestSuite("Ignite FS Events Test Suite");
 
@@ -60,7 +60,7 @@ public class IgfsEventsTestSuite extends TestSuite {
      * @throws Exception Thrown in case of the failure.
      */
     public static TestSuite suiteNoarchOnly() throws Exception {
-        GridHadoopClassLoader ldr = new GridHadoopClassLoader(null);
+        HadoopClassLoader ldr = new HadoopClassLoader(null);
 
         TestSuite suite = new TestSuite("Ignite IGFS Events Test Suite Noarch Only");
 
@@ -76,8 +76,8 @@ public class IgfsEventsTestSuite extends TestSuite {
      */
     public static class ShmemPrivate extends IgfsEventsAbstractSelfTest {
         /** {@inheritDoc} */
-        @Override protected IgfsConfiguration getIgfsConfiguration() throws IgniteCheckedException {
-            IgfsConfiguration igfsCfg = super.getIgfsConfiguration();
+        @Override protected FileSystemConfiguration getIgfsConfiguration() throws IgniteCheckedException {
+            FileSystemConfiguration igfsCfg = super.getIgfsConfiguration();
 
             igfsCfg.setIpcEndpointConfiguration(new HashMap<String, String>() {{
                 put("type", "shmem");
@@ -93,8 +93,8 @@ public class IgfsEventsTestSuite extends TestSuite {
      */
     public static class LoopbackPrivate extends IgfsEventsAbstractSelfTest {
         /** {@inheritDoc} */
-        @Override protected IgfsConfiguration getIgfsConfiguration() throws IgniteCheckedException {
-            IgfsConfiguration igfsCfg = super.getIgfsConfiguration();
+        @Override protected FileSystemConfiguration getIgfsConfiguration() throws IgniteCheckedException {
+            FileSystemConfiguration igfsCfg = super.getIgfsConfiguration();
 
             igfsCfg.setIpcEndpointConfiguration(new HashMap<String, String>() {{
                 put("type", "tcp");
@@ -110,13 +110,13 @@ public class IgfsEventsTestSuite extends TestSuite {
      */
     public abstract static class PrimarySecondaryTest extends IgfsEventsAbstractSelfTest {
         /** Secondary file system. */
-        private static IgniteFs igfsSec;
+        private static IgniteFileSystem igfsSec;
 
         /** {@inheritDoc} */
-        @Override protected IgfsConfiguration getIgfsConfiguration() throws IgniteCheckedException {
-            IgfsConfiguration igfsCfg = super.getIgfsConfiguration();
+        @Override protected FileSystemConfiguration getIgfsConfiguration() throws IgniteCheckedException {
+            FileSystemConfiguration igfsCfg = super.getIgfsConfiguration();
 
-            igfsCfg.setSecondaryFileSystem(new IgfsHadoopFileSystemWrapper(
+            igfsCfg.setSecondaryFileSystem(new IgniteHadoopIgfsSecondaryFileSystem(
                 "igfs://igfs-secondary:grid-secondary@127.0.0.1:11500/",
                 "modules/core/src/test/config/hadoop/core-site-secondary.xml"));
 
@@ -126,8 +126,8 @@ public class IgfsEventsTestSuite extends TestSuite {
         /**
          * @return IGFS configuration for secondary file system.
          */
-        protected IgfsConfiguration getSecondaryIgfsConfiguration() throws IgniteCheckedException {
-            IgfsConfiguration igfsCfg = super.getIgfsConfiguration();
+        protected FileSystemConfiguration getSecondaryIgfsConfiguration() throws IgniteCheckedException {
+            FileSystemConfiguration igfsCfg = super.getIgfsConfiguration();
 
             igfsCfg.setName("igfs-secondary");
             igfsCfg.setDefaultMode(PRIMARY);
@@ -167,7 +167,7 @@ public class IgfsEventsTestSuite extends TestSuite {
          * @return Secondary file system handle.
          * @throws Exception If failed.
          */
-        @Nullable private IgniteFs startSecondary() throws Exception {
+        @Nullable private IgniteFileSystem startSecondary() throws Exception {
             IgniteConfiguration cfg = getConfiguration("grid-secondary", getSecondaryIgfsConfiguration());
 
             cfg.setLocalHost("127.0.0.1");
@@ -184,8 +184,8 @@ public class IgfsEventsTestSuite extends TestSuite {
      */
     public static class ShmemDualSync extends PrimarySecondaryTest {
         /** {@inheritDoc} */
-        @Override protected IgfsConfiguration getIgfsConfiguration() throws IgniteCheckedException {
-            IgfsConfiguration igfsCfg = super.getIgfsConfiguration();
+        @Override protected FileSystemConfiguration getIgfsConfiguration() throws IgniteCheckedException {
+            FileSystemConfiguration igfsCfg = super.getIgfsConfiguration();
 
             igfsCfg.setDefaultMode(DUAL_SYNC);
 
@@ -198,8 +198,8 @@ public class IgfsEventsTestSuite extends TestSuite {
      */
     public static class ShmemDualAsync extends PrimarySecondaryTest {
         /** {@inheritDoc} */
-        @Override protected IgfsConfiguration getIgfsConfiguration() throws IgniteCheckedException {
-            IgfsConfiguration igfsCfg = super.getIgfsConfiguration();
+        @Override protected FileSystemConfiguration getIgfsConfiguration() throws IgniteCheckedException {
+            FileSystemConfiguration igfsCfg = super.getIgfsConfiguration();
 
             igfsCfg.setDefaultMode(DUAL_ASYNC);
 
@@ -212,10 +212,10 @@ public class IgfsEventsTestSuite extends TestSuite {
      */
     public abstract static class LoopbackPrimarySecondaryTest extends PrimarySecondaryTest {
         /** {@inheritDoc} */
-        @Override protected IgfsConfiguration getIgfsConfiguration() throws IgniteCheckedException {
-            IgfsConfiguration igfsCfg = super.getIgfsConfiguration();
+        @Override protected FileSystemConfiguration getIgfsConfiguration() throws IgniteCheckedException {
+            FileSystemConfiguration igfsCfg = super.getIgfsConfiguration();
 
-            igfsCfg.setSecondaryFileSystem(new IgfsHadoopFileSystemWrapper(
+            igfsCfg.setSecondaryFileSystem(new IgniteHadoopIgfsSecondaryFileSystem(
                 "igfs://igfs-secondary:grid-secondary@127.0.0.1:11500/",
                 "modules/core/src/test/config/hadoop/core-site-loopback-secondary.xml"));
 
@@ -223,8 +223,8 @@ public class IgfsEventsTestSuite extends TestSuite {
         }
 
         /** {@inheritDoc} */
-        @Override protected IgfsConfiguration getSecondaryIgfsConfiguration() throws IgniteCheckedException {
-            IgfsConfiguration igfsCfg = super.getSecondaryIgfsConfiguration();
+        @Override protected FileSystemConfiguration getSecondaryIgfsConfiguration() throws IgniteCheckedException {
+            FileSystemConfiguration igfsCfg = super.getSecondaryIgfsConfiguration();
 
             igfsCfg.setName("igfs-secondary");
             igfsCfg.setDefaultMode(PRIMARY);
@@ -242,8 +242,8 @@ public class IgfsEventsTestSuite extends TestSuite {
      */
     public static class LoopbackDualSync extends LoopbackPrimarySecondaryTest {
         /** {@inheritDoc} */
-        @Override protected IgfsConfiguration getIgfsConfiguration() throws IgniteCheckedException {
-            IgfsConfiguration igfsCfg = super.getIgfsConfiguration();
+        @Override protected FileSystemConfiguration getIgfsConfiguration() throws IgniteCheckedException {
+            FileSystemConfiguration igfsCfg = super.getIgfsConfiguration();
 
             igfsCfg.setDefaultMode(DUAL_SYNC);
 
@@ -256,8 +256,8 @@ public class IgfsEventsTestSuite extends TestSuite {
      */
     public static class LoopbackDualAsync extends LoopbackPrimarySecondaryTest {
         /** {@inheritDoc} */
-        @Override protected IgfsConfiguration getIgfsConfiguration() throws IgniteCheckedException {
-            IgfsConfiguration igfsCfg = super.getIgfsConfiguration();
+        @Override protected FileSystemConfiguration getIgfsConfiguration() throws IgniteCheckedException {
+            FileSystemConfiguration igfsCfg = super.getIgfsConfiguration();
 
             igfsCfg.setDefaultMode(DUAL_ASYNC);
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsHadoop20FileSystemAbstractSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsHadoop20FileSystemAbstractSelfTest.java b/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsHadoop20FileSystemAbstractSelfTest.java
deleted file mode 100644
index 9f9a6d8..0000000
--- a/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsHadoop20FileSystemAbstractSelfTest.java
+++ /dev/null
@@ -1,1967 +0,0 @@
-/*
- * 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.igfs;
-
-import org.apache.hadoop.conf.*;
-import org.apache.hadoop.fs.*;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.permission.*;
-import org.apache.ignite.*;
-import org.apache.ignite.cache.*;
-import org.apache.ignite.configuration.*;
-import org.apache.ignite.igfs.hadoop.*;
-import org.apache.ignite.internal.processors.igfs.*;
-import org.apache.ignite.internal.util.*;
-import org.apache.ignite.internal.util.typedef.*;
-import org.apache.ignite.internal.util.typedef.internal.*;
-import org.apache.ignite.lang.*;
-import org.apache.ignite.spi.communication.*;
-import org.apache.ignite.spi.communication.tcp.*;
-import org.apache.ignite.spi.discovery.tcp.*;
-import org.apache.ignite.spi.discovery.tcp.ipfinder.*;
-import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.*;
-import org.apache.ignite.testframework.*;
-import org.jdk8.backport.*;
-import org.jetbrains.annotations.*;
-
-import java.io.*;
-import java.net.*;
-import java.util.*;
-import java.util.concurrent.*;
-import java.util.concurrent.atomic.*;
-
-import static org.apache.ignite.cache.CacheAtomicityMode.*;
-import static org.apache.ignite.cache.CacheMode.*;
-import static org.apache.ignite.events.EventType.*;
-import static org.apache.ignite.igfs.IgfsMode.*;
-
-/**
- * Hadoop 2.x compliant file system.
- */
-public abstract class IgfsHadoop20FileSystemAbstractSelfTest extends IgfsCommonAbstractTest {
-    /** Group size. */
-    public static final int GRP_SIZE = 128;
-
-    /** Thread count for multithreaded tests. */
-    private static final int THREAD_CNT = 8;
-
-    /** IP finder. */
-    private static final TcpDiscoveryIpFinder IP_FINDER = new TcpDiscoveryVmIpFinder(true);
-
-    /** Barrier for multithreaded tests. */
-    private static CyclicBarrier barrier;
-
-    /** File system. */
-    private static AbstractFileSystem fs;
-
-    /** Default IGFS mode. */
-    protected IgfsMode mode;
-
-    /** Primary file system URI. */
-    protected URI primaryFsUri;
-
-    /** Primary file system configuration. */
-    protected Configuration primaryFsCfg;
-
-    /**
-     * Constructor.
-     *
-     * @param mode Default IGFS mode.
-     */
-    protected IgfsHadoop20FileSystemAbstractSelfTest(IgfsMode mode) {
-        this.mode = mode;
-    }
-
-    /**
-     * Gets primary file system URI path.
-     *
-     * @return Primary file system URI path.
-     */
-    protected abstract String primaryFileSystemUriPath();
-
-    /**
-     * Gets primary file system config path.
-     *
-     * @return Primary file system config path.
-     */
-    protected abstract String primaryFileSystemConfigPath();
-
-    /**
-     * Get primary IPC endpoint configuration.
-     *
-     * @param gridName Grid name.
-     * @return IPC primary endpoint configuration.
-     */
-    protected abstract Map<String, String>  primaryIpcEndpointConfiguration(String gridName);
-
-    /**
-     * Gets secondary file system URI path.
-     *
-     * @return Secondary file system URI path.
-     */
-    protected abstract String secondaryFileSystemUriPath();
-
-    /**
-     * Gets secondary file system config path.
-     *
-     * @return Secondary file system config path.
-     */
-    protected abstract String secondaryFileSystemConfigPath();
-
-    /**
-     * Get secondary IPC endpoint configuration.
-     *
-     * @return Secondary IPC endpoint configuration.
-     */
-    protected abstract Map<String, String>  secondaryIpcEndpointConfiguration();
-
-    /** {@inheritDoc} */
-    @Override protected void beforeTestsStarted() throws Exception {
-        startNodes();
-    }
-
-    /**
-     * Starts the nodes for this test.
-     *
-     * @throws Exception If failed.
-     */
-    private void startNodes() throws Exception {
-        if (mode != PRIMARY) {
-            // Start secondary IGFS.
-            IgfsConfiguration igfsCfg = new IgfsConfiguration();
-
-            igfsCfg.setDataCacheName("partitioned");
-            igfsCfg.setMetaCacheName("replicated");
-            igfsCfg.setName("igfs_secondary");
-            igfsCfg.setIpcEndpointConfiguration(secondaryIpcEndpointConfiguration());
-            igfsCfg.setManagementPort(-1);
-            igfsCfg.setBlockSize(512 * 1024);
-            igfsCfg.setPrefetchBlocks(1);
-
-            CacheConfiguration cacheCfg = defaultCacheConfiguration();
-
-            cacheCfg.setName("partitioned");
-            cacheCfg.setCacheMode(PARTITIONED);
-            cacheCfg.setDistributionMode(CacheDistributionMode.PARTITIONED_ONLY);
-            cacheCfg.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
-            cacheCfg.setAffinityMapper(new IgfsGroupDataBlocksKeyMapper(GRP_SIZE));
-            cacheCfg.setBackups(0);
-            cacheCfg.setQueryIndexEnabled(false);
-            cacheCfg.setAtomicityMode(TRANSACTIONAL);
-
-            CacheConfiguration metaCacheCfg = defaultCacheConfiguration();
-
-            metaCacheCfg.setName("replicated");
-            metaCacheCfg.setCacheMode(REPLICATED);
-            metaCacheCfg.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
-            metaCacheCfg.setQueryIndexEnabled(false);
-            metaCacheCfg.setAtomicityMode(TRANSACTIONAL);
-
-            IgniteConfiguration cfg = new IgniteConfiguration();
-
-            cfg.setGridName("grid_secondary");
-
-            TcpDiscoverySpi discoSpi = new TcpDiscoverySpi();
-
-            discoSpi.setIpFinder(new TcpDiscoveryVmIpFinder(true));
-
-            cfg.setDiscoverySpi(discoSpi);
-            cfg.setCacheConfiguration(metaCacheCfg, cacheCfg);
-            cfg.setIgfsConfiguration(igfsCfg);
-            cfg.setIncludeEventTypes(EVT_TASK_FAILED, EVT_TASK_FINISHED, EVT_JOB_MAPPED);
-            cfg.setLocalHost(U.getLocalHost().getHostAddress());
-            cfg.setCommunicationSpi(communicationSpi());
-
-            G.start(cfg);
-        }
-
-        startGrids(4);
-    }
-
-    /** {@inheritDoc} */
-    @Override public String getTestGridName() {
-        return "grid";
-    }
-
-    /** {@inheritDoc} */
-    @Override protected IgniteConfiguration getConfiguration(String gridName) throws Exception {
-        IgniteConfiguration cfg = super.getConfiguration(gridName);
-
-        TcpDiscoverySpi discoSpi = new TcpDiscoverySpi();
-
-        discoSpi.setIpFinder(IP_FINDER);
-
-        cfg.setDiscoverySpi(discoSpi);
-        cfg.setCacheConfiguration(cacheConfiguration(gridName));
-        cfg.setIgfsConfiguration(igfsConfiguration(gridName));
-        cfg.setIncludeEventTypes(EVT_TASK_FAILED, EVT_TASK_FINISHED, EVT_JOB_MAPPED);
-        cfg.setLocalHost("127.0.0.1");
-        cfg.setCommunicationSpi(communicationSpi());
-
-        return cfg;
-    }
-
-    /**
-     * Gets cache configuration.
-     *
-     * @param gridName Grid name.
-     * @return Cache configuration.
-     */
-    protected CacheConfiguration[] cacheConfiguration(String gridName) {
-        CacheConfiguration cacheCfg = defaultCacheConfiguration();
-
-        cacheCfg.setName("partitioned");
-        cacheCfg.setCacheMode(PARTITIONED);
-        cacheCfg.setDistributionMode(CacheDistributionMode.PARTITIONED_ONLY);
-        cacheCfg.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
-        cacheCfg.setAffinityMapper(new IgfsGroupDataBlocksKeyMapper(GRP_SIZE));
-        cacheCfg.setBackups(0);
-        cacheCfg.setQueryIndexEnabled(false);
-        cacheCfg.setAtomicityMode(TRANSACTIONAL);
-
-        CacheConfiguration metaCacheCfg = defaultCacheConfiguration();
-
-        metaCacheCfg.setName("replicated");
-        metaCacheCfg.setCacheMode(REPLICATED);
-        metaCacheCfg.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
-        metaCacheCfg.setQueryIndexEnabled(false);
-        metaCacheCfg.setAtomicityMode(TRANSACTIONAL);
-
-        return new CacheConfiguration[] {metaCacheCfg, cacheCfg};
-    }
-
-    /**
-     * Gets IGFS configuration.
-     *
-     * @param gridName Grid name.
-     * @return IGFS configuration.
-     */
-    protected IgfsConfiguration igfsConfiguration(String gridName) throws IgniteCheckedException {
-        IgfsConfiguration cfg = new IgfsConfiguration();
-
-        cfg.setDataCacheName("partitioned");
-        cfg.setMetaCacheName("replicated");
-        cfg.setName("igfs");
-        cfg.setPrefetchBlocks(1);
-        cfg.setMaxSpaceSize(64 * 1024 * 1024);
-        cfg.setDefaultMode(mode);
-
-        if (mode != PRIMARY)
-            cfg.setSecondaryFileSystem(new IgfsHadoopFileSystemWrapper(secondaryFileSystemUriPath(),
-                secondaryFileSystemConfigPath()));
-
-        cfg.setIpcEndpointConfiguration(primaryIpcEndpointConfiguration(gridName));
-        cfg.setManagementPort(-1);
-
-        cfg.setBlockSize(512 * 1024); // Together with group blocks mapper will yield 64M per node groups.
-
-        return cfg;
-    }
-
-    /** @return Communication SPI. */
-    private CommunicationSpi communicationSpi() {
-        TcpCommunicationSpi commSpi = new TcpCommunicationSpi();
-
-        commSpi.setSharedMemoryPort(-1);
-
-        return commSpi;
-    }
-
-    /** {@inheritDoc} */
-    @Override protected void afterTestsStopped() throws Exception {
-        G.stopAll(true);
-    }
-
-    /** {@inheritDoc} */
-    @Override protected void beforeTest() throws Exception {
-        primaryFsUri = new URI(primaryFileSystemUriPath());
-
-        primaryFsCfg = new Configuration();
-
-        primaryFsCfg.addResource(U.resolveIgniteUrl(primaryFileSystemConfigPath()));
-
-        fs = AbstractFileSystem.get(primaryFsUri, primaryFsCfg);
-
-        barrier = new CyclicBarrier(THREAD_CNT);
-    }
-
-    /** {@inheritDoc} */
-    @Override protected void afterTest() throws Exception {
-        try {
-            fs.delete(new Path("/"), true);
-        }
-        catch (Exception ignore) {
-            // No-op.
-        }
-
-        U.closeQuiet((Closeable)fs);
-    }
-
-    /** @throws Exception If failed. */
-    public void testStatus() throws Exception {
-
-        try (FSDataOutputStream file = fs.create(new Path("/file1"), EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()))) {
-            file.write(new byte[1024 * 1024]);
-        }
-
-        FsStatus status = fs.getFsStatus();
-
-        assertEquals(4, grid(0).cluster().nodes().size());
-
-        long used = 0, max = 0;
-
-        for (int i = 0; i < 4; i++) {
-            IgniteFs igfs = grid(i).fileSystem("igfs");
-
-            IgfsMetrics metrics = igfs.metrics();
-
-            used += metrics.localSpaceSize();
-            max += metrics.maxSpaceSize();
-        }
-
-        assertEquals(used, status.getUsed());
-        assertEquals(max, status.getCapacity());
-    }
-
-    /** @throws Exception If failed. */
-    public void testTimes() throws Exception {
-        Path file = new Path("/file1");
-
-        long now = System.currentTimeMillis();
-
-        try (FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()))) {
-            os.write(new byte[1024 * 1024]);
-        }
-
-        FileStatus status = fs.getFileStatus(file);
-
-        assertTrue(status.getAccessTime() >= now);
-        assertTrue(status.getModificationTime() >= now);
-
-        long accessTime = now - 10 * 60 * 1000;
-        long modificationTime = now - 5 * 60 * 1000;
-
-        fs.setTimes(file, modificationTime, accessTime);
-
-        status = fs.getFileStatus(file);
-        assertEquals(accessTime, status.getAccessTime());
-        assertEquals(modificationTime, status.getModificationTime());
-
-        // Check listing is updated as well.
-        FileStatus[] files = fs.listStatus(new Path("/"));
-
-        assertEquals(1, files.length);
-
-        assertEquals(file.getName(), files[0].getPath().getName());
-        assertEquals(accessTime, files[0].getAccessTime());
-        assertEquals(modificationTime, files[0].getModificationTime());
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fs.setTimes(new Path("/unknownFile"), 0, 0);
-
-                return null;
-            }
-        }, FileNotFoundException.class, null);
-    }
-
-    /** @throws Exception If failed. */
-    public void testCreateCheckParameters() throws Exception {
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                return fs.create(null, EnumSet.noneOf(CreateFlag.class),
-                    Options.CreateOpts.perms(FsPermission.getDefault()));
-            }
-        }, NullPointerException.class, null);
-    }
-
-    /** @throws Exception If failed. */
-    public void testCreateBase() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path dir = new Path(fsHome, "/someDir1/someDir2/someDir3");
-        Path file = new Path(dir, "someFile");
-
-        assertPathDoesNotExist(fs, file);
-
-        FsPermission fsPerm = new FsPermission((short)644);
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(fsPerm));
-
-        // Try to write something in file.
-        os.write("abc".getBytes());
-
-        os.close();
-
-        // Check file status.
-        FileStatus fileStatus = fs.getFileStatus(file);
-
-        assertFalse(fileStatus.isDirectory());
-        assertEquals(file, fileStatus.getPath());
-        assertEquals(fsPerm, fileStatus.getPermission());
-    }
-
-    /** @throws Exception If failed. */
-    public void testCreateCheckOverwrite() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path dir = new Path(fsHome, "/someDir1/someDir2/someDir3");
-        final Path file = new Path(dir, "someFile");
-
-        FSDataOutputStream out = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        out.close();
-
-        // Check intermediate directory permissions.
-        assertEquals(FsPermission.getDefault(), fs.getFileStatus(dir).getPermission());
-        assertEquals(FsPermission.getDefault(), fs.getFileStatus(dir.getParent()).getPermission());
-        assertEquals(FsPermission.getDefault(), fs.getFileStatus(dir.getParent().getParent()).getPermission());
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                return fs.create(file, EnumSet.noneOf(CreateFlag.class),
-                    Options.CreateOpts.perms(FsPermission.getDefault()));
-            }
-        }, PathExistsException.class, null);
-
-        // Overwrite should be successful.
-        FSDataOutputStream out1 = fs.create(file, EnumSet.of(CreateFlag.OVERWRITE),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        out1.close();
-    }
-
-    /** @throws Exception If failed. */
-    public void testDeleteIfNoSuchPath() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path dir = new Path(fsHome, "/someDir1/someDir2/someDir3");
-
-        assertPathDoesNotExist(fs, dir);
-
-        assertFalse(fs.delete(dir, true));
-    }
-
-    /** @throws Exception If failed. */
-    public void testDeleteSuccessfulIfPathIsOpenedToRead() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        final Path file = new Path(fsHome, "myFile");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        final int cnt = 5 * IgfsConfiguration.DFLT_BLOCK_SIZE; // Write 5 blocks.
-
-        for (int i = 0; i < cnt; i++)
-            os.writeInt(i);
-
-        os.close();
-
-        final FSDataInputStream is = fs.open(file, -1);
-
-        for (int i = 0; i < cnt / 2; i++)
-            assertEquals(i, is.readInt());
-
-        assert fs.delete(file, false);
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fs.getFileStatus(file);
-
-                return null;
-            }
-        }, FileNotFoundException.class, null);
-
-        is.close();
-    }
-
-    /** @throws Exception If failed. */
-    public void testDeleteIfFilePathExists() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path file = new Path(fsHome, "myFile");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        assertTrue(fs.delete(file, false));
-
-        assertPathDoesNotExist(fs, file);
-    }
-
-    /** @throws Exception If failed. */
-    public void testDeleteIfDirectoryPathExists() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path dir = new Path(fsHome, "/someDir1/someDir2/someDir3");
-
-        FSDataOutputStream os = fs.create(dir, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        assertTrue(fs.delete(dir, false));
-
-        assertPathDoesNotExist(fs, dir);
-    }
-
-    /** @throws Exception If failed. */
-    public void testDeleteFailsIfNonRecursive() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path someDir3 = new Path(fsHome, "/someDir1/someDir2/someDir3");
-
-        FSDataOutputStream os = fs.create(someDir3, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        final Path someDir2 = new Path(fsHome, "/someDir1/someDir2");
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fs.delete(someDir2, false);
-
-                return null;
-            }
-        }, PathIsNotEmptyDirectoryException.class, null);
-
-        assertPathExists(fs, someDir2);
-        assertPathExists(fs, someDir3);
-    }
-
-    /** @throws Exception If failed. */
-    public void testDeleteRecursively() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path someDir3 = new Path(fsHome, "/someDir1/someDir2/someDir3");
-
-        FSDataOutputStream os = fs.create(someDir3, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        Path someDir2 = new Path(fsHome, "/someDir1/someDir2");
-
-        assertTrue(fs.delete(someDir2, true));
-
-        assertPathDoesNotExist(fs, someDir2);
-        assertPathDoesNotExist(fs, someDir3);
-    }
-
-    /** @throws Exception If failed. */
-    public void testDeleteRecursivelyFromRoot() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path someDir3 = new Path(fsHome, "/someDir1/someDir2/someDir3");
-
-        FSDataOutputStream os = fs.create(someDir3, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        Path root = new Path(fsHome, "/");
-
-        assertTrue(fs.delete(root, true));
-
-        assertPathDoesNotExist(fs, someDir3);
-        assertPathDoesNotExist(fs, new Path(fsHome, "/someDir1/someDir2"));
-        assertPathDoesNotExist(fs, new Path(fsHome, "/someDir1"));
-        assertPathExists(fs, root);
-    }
-
-    /** @throws Exception If failed. */
-    public void testSetPermissionCheckDefaultPermission() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path file = new Path(fsHome, "/tmp/my");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        fs.setPermission(file, null);
-
-        assertEquals(FsPermission.getDefault(), fs.getFileStatus(file).getPermission());
-        assertEquals(FsPermission.getDefault(), fs.getFileStatus(file.getParent()).getPermission());
-    }
-
-    /** @throws Exception If failed. */
-    public void testSetPermissionCheckNonRecursiveness() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path file = new Path(fsHome, "/tmp/my");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        Path tmpDir = new Path(fsHome, "/tmp");
-
-        FsPermission perm = new FsPermission((short)123);
-
-        fs.setPermission(tmpDir, perm);
-
-        assertEquals(perm, fs.getFileStatus(tmpDir).getPermission());
-        assertEquals(FsPermission.getDefault(), fs.getFileStatus(file).getPermission());
-    }
-
-    /** @throws Exception If failed. */
-    @SuppressWarnings("OctalInteger")
-    public void testSetPermission() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path file = new Path(fsHome, "/tmp/my");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        for (short i = 0; i <= 0777; i += 7) {
-            FsPermission perm = new FsPermission(i);
-
-            fs.setPermission(file, perm);
-
-            assertEquals(perm, fs.getFileStatus(file).getPermission());
-        }
-    }
-
-    /** @throws Exception If failed. */
-    public void testSetPermissionIfOutputStreamIsNotClosed() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path file = new Path(fsHome, "myFile");
-
-        FsPermission perm = new FsPermission((short)123);
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        fs.setPermission(file, perm);
-
-        os.close();
-
-        assertEquals(perm, fs.getFileStatus(file).getPermission());
-    }
-
-    /** @throws Exception If failed. */
-    public void testSetOwnerCheckParametersPathIsNull() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        final Path file = new Path(fsHome, "/tmp/my");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fs.setOwner(null, "aUser", "aGroup");
-
-                return null;
-            }
-        }, NullPointerException.class, "Ouch! Argument cannot be null: p");
-    }
-
-    /** @throws Exception If failed. */
-    public void testSetOwnerCheckParametersUserIsNull() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        final Path file = new Path(fsHome, "/tmp/my");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fs.setOwner(file, null, "aGroup");
-
-                return null;
-            }
-        }, NullPointerException.class, "Ouch! Argument cannot be null: username");
-    }
-
-    /** @throws Exception If failed. */
-    public void testSetOwnerCheckParametersGroupIsNull() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        final Path file = new Path(fsHome, "/tmp/my");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override
-            public Object call() throws Exception {
-                fs.setOwner(file, "aUser", null);
-
-                return null;
-            }
-        }, NullPointerException.class, "Ouch! Argument cannot be null: grpName");
-    }
-
-    /** @throws Exception If failed. */
-    public void testSetOwner() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        final Path file = new Path(fsHome, "/tmp/my");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        fs.setOwner(file, "aUser", "aGroup");
-
-        assertEquals("aUser", fs.getFileStatus(file).getOwner());
-        assertEquals("aGroup", fs.getFileStatus(file).getGroup());
-    }
-
-    /** @throws Exception If failed. */
-    public void testSetOwnerIfOutputStreamIsNotClosed() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path file = new Path(fsHome, "myFile");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        fs.setOwner(file, "aUser", "aGroup");
-
-        os.close();
-
-        assertEquals("aUser", fs.getFileStatus(file).getOwner());
-        assertEquals("aGroup", fs.getFileStatus(file).getGroup());
-    }
-
-    /** @throws Exception If failed. */
-    public void testSetOwnerCheckNonRecursiveness() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path file = new Path(fsHome, "/tmp/my");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        Path tmpDir = new Path(fsHome, "/tmp");
-
-        fs.setOwner(file, "fUser", "fGroup");
-        fs.setOwner(tmpDir, "dUser", "dGroup");
-
-        assertEquals("dUser", fs.getFileStatus(tmpDir).getOwner());
-        assertEquals("dGroup", fs.getFileStatus(tmpDir).getGroup());
-
-        assertEquals("fUser", fs.getFileStatus(file).getOwner());
-        assertEquals("fGroup", fs.getFileStatus(file).getGroup());
-    }
-
-    /** @throws Exception If failed. */
-    public void testOpenCheckParametersPathIsNull() throws Exception {
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                return fs.open(null, 1024);
-            }
-        }, NullPointerException.class, "Ouch! Argument cannot be null: f");
-    }
-
-    /** @throws Exception If failed. */
-    public void testOpenNoSuchPath() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        final Path file = new Path(fsHome, "someFile");
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                return fs.open(file, 1024);
-            }
-        }, FileNotFoundException.class, null);
-    }
-
-    /** @throws Exception If failed. */
-    public void testOpenIfPathIsAlreadyOpened() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path file = new Path(fsHome, "someFile");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        FSDataInputStream is1 = fs.open(file);
-        FSDataInputStream is2 = fs.open(file);
-
-        is1.close();
-        is2.close();
-    }
-
-    /** @throws Exception If failed. */
-    public void testOpen() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path file = new Path(fsHome, "someFile");
-
-        int cnt = 2 * 1024;
-
-        FSDataOutputStream out = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        for (long i = 0; i < cnt; i++)
-            out.writeLong(i);
-
-        out.close();
-
-        FSDataInputStream in = fs.open(file, 1024);
-
-        for (long i = 0; i < cnt; i++)
-            assertEquals(i, in.readLong());
-
-        in.close();
-    }
-
-    /** @throws Exception If failed. */
-    public void testAppendIfPathPointsToDirectory() throws Exception {
-        final Path fsHome = new Path(primaryFsUri);
-        final Path dir = new Path(fsHome, "/tmp");
-        Path file = new Path(dir, "my");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                return fs.create(new Path(fsHome, dir), EnumSet.of(CreateFlag.APPEND),
-                    Options.CreateOpts.perms(FsPermission.getDefault()));
-            }
-        }, IOException.class, null);
-    }
-
-    /** @throws Exception If failed. */
-    public void testAppendIfFileIsAlreadyBeingOpenedToWrite() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        final Path file = new Path(fsHome, "someFile");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        FSDataOutputStream appendOs = fs.create(file, EnumSet.of(CreateFlag.APPEND),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override
-            public Object call() throws Exception {
-                return fs.create(file, EnumSet.of(CreateFlag.APPEND),
-                    Options.CreateOpts.perms(FsPermission.getDefault()));
-            }
-        }, IOException.class, null);
-
-        appendOs.close();
-    }
-
-    /** @throws Exception If failed. */
-    public void testAppend() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path file = new Path(fsHome, "someFile");
-
-        int cnt = 1024;
-
-        FSDataOutputStream out = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        for (int i = 0; i < cnt; i++)
-            out.writeLong(i);
-
-        out.close();
-
-        out = fs.create(file, EnumSet.of(CreateFlag.APPEND),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        for (int i = cnt; i < cnt * 2; i++)
-            out.writeLong(i);
-
-        out.close();
-
-        FSDataInputStream in = fs.open(file, 1024);
-
-        for (int i = 0; i < cnt * 2; i++)
-            assertEquals(i, in.readLong());
-
-        in.close();
-    }
-
-    /** @throws Exception If failed. */
-    public void testRenameCheckParametersSrcPathIsNull() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        final Path file = new Path(fsHome, "someFile");
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fs.rename(null, file);
-
-                return null;
-            }
-        }, NullPointerException.class, "Ouch! Argument cannot be null: f");
-    }
-
-    /** @throws Exception If failed. */
-    public void testRenameCheckParametersDstPathIsNull() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        final Path file = new Path(fsHome, "someFile");
-
-        fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault())).close();
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override
-            public Object call() throws Exception {
-                fs.rename(file, null);
-
-                return null;
-            }
-        }, NullPointerException.class, "Ouch! Argument cannot be null: f");
-    }
-
-    /** @throws Exception If failed. */
-    public void testRenameIfSrcPathDoesNotExist() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        final Path srcFile = new Path(fsHome, "srcFile");
-        final Path dstFile = new Path(fsHome, "dstFile");
-
-        assertPathDoesNotExist(fs, srcFile);
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fs.rename(srcFile, dstFile);
-
-                return null;
-            }
-        }, FileNotFoundException.class, null);
-
-        assertPathDoesNotExist(fs, dstFile);
-    }
-
-    /** @throws Exception If failed. */
-    public void testRenameIfSrcPathIsAlreadyBeingOpenedToWrite() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path srcFile = new Path(fsHome, "srcFile");
-        Path dstFile = new Path(fsHome, "dstFile");
-
-        FSDataOutputStream os = fs.create(srcFile, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        os = fs.create(srcFile, EnumSet.of(CreateFlag.APPEND),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        fs.rename(srcFile, dstFile);
-
-        assertPathExists(fs, dstFile);
-
-        String testStr = "Test";
-
-        try {
-            os.writeBytes(testStr);
-        }
-        finally {
-            os.close();
-        }
-
-        try (FSDataInputStream is = fs.open(dstFile)) {
-            byte[] buf = new byte[testStr.getBytes().length];
-
-            is.readFully(buf);
-
-            assertEquals(testStr, new String(buf));
-        }
-    }
-
-    /** @throws Exception If failed. */
-    public void testRenameFileIfDstPathExists() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        final Path srcFile = new Path(fsHome, "srcFile");
-        final Path dstFile = new Path(fsHome, "dstFile");
-
-        FSDataOutputStream os = fs.create(srcFile, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        os = fs.create(dstFile, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fs.rename(srcFile, dstFile);
-
-                return null;
-            }
-        }, FileAlreadyExistsException.class, null);
-
-        assertPathExists(fs, srcFile);
-        assertPathExists(fs, dstFile);
-    }
-
-    /** @throws Exception If failed. */
-    public void testRenameFile() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path srcFile = new Path(fsHome, "/tmp/srcFile");
-        Path dstFile = new Path(fsHome, "/tmp/dstFile");
-
-        FSDataOutputStream os = fs.create(srcFile, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        fs.rename(srcFile, dstFile);
-
-        assertPathDoesNotExist(fs, srcFile);
-        assertPathExists(fs, dstFile);
-    }
-
-    /** @throws Exception If failed. */
-    public void testRenameIfSrcPathIsAlreadyBeingOpenedToRead() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path srcFile = new Path(fsHome, "srcFile");
-        Path dstFile = new Path(fsHome, "dstFile");
-
-        FSDataOutputStream os = fs.create(srcFile, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        int cnt = 1024;
-
-        for (int i = 0; i < cnt; i++)
-            os.writeInt(i);
-
-        os.close();
-
-        FSDataInputStream is = fs.open(srcFile);
-
-        for (int i = 0; i < cnt; i++) {
-            if (i == 100)
-                // Rename file during the read process.
-                fs.rename(srcFile, dstFile);
-
-            assertEquals(i, is.readInt());
-        }
-
-        assertPathDoesNotExist(fs, srcFile);
-        assertPathExists(fs, dstFile);
-
-        os.close();
-        is.close();
-    }
-
-    /** @throws Exception If failed. */
-    public void _testRenameDirectoryIfDstPathExists() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path srcDir = new Path(fsHome, "/tmp/");
-        Path dstDir = new Path(fsHome, "/tmpNew/");
-
-        FSDataOutputStream os = fs.create(new Path(srcDir, "file1"), EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        os = fs.create(new Path(dstDir, "file2"), EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        fs.rename(srcDir, dstDir);
-
-        assertPathExists(fs, dstDir);
-        assertPathExists(fs, new Path(fsHome, "/tmpNew/tmp"));
-        assertPathExists(fs, new Path(fsHome, "/tmpNew/tmp/file1"));
-    }
-
-    /** @throws Exception If failed. */
-    public void testRenameDirectory() throws Exception {
-        Path fsHome = new Path(primaryFsUri);
-        Path dir = new Path(fsHome, "/tmp/");
-        Path newDir = new Path(fsHome, "/tmpNew/");
-
-        FSDataOutputStream os = fs.create(new Path(dir, "myFile"), EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        os.close();
-
-        fs.rename(dir, newDir);
-
-        assertPathDoesNotExist(fs, dir);
-        assertPathExists(fs, newDir);
-    }
-
-    /** @throws Exception If failed. */
-    public void testListStatusIfPathIsNull() throws Exception {
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                return fs.listStatus(null);
-            }
-        }, NullPointerException.class, "Ouch! Argument cannot be null: f");
-    }
-
-    /** @throws Exception If failed. */
-    public void testListStatusIfPathDoesNotExist() throws Exception {
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                return fs.listStatus(new Path("/someDir"));
-            }
-        }, FileNotFoundException.class, null);
-    }
-
-    /**
-     * Test directory listing.
-     *
-     * @throws Exception If failed.
-     */
-    public void testListStatus() throws Exception {
-        Path igfsHome = new Path(primaryFsUri);
-
-        // Test listing of an empty directory.
-        Path dir = new Path(igfsHome, "dir");
-
-        fs.mkdir(dir, FsPermission.getDefault(), true);
-
-        FileStatus[] list = fs.listStatus(dir);
-
-        assert list.length == 0;
-
-        // Test listing of a not empty directory.
-        Path subDir = new Path(dir, "subDir");
-
-        fs.mkdir(subDir, FsPermission.getDefault(), true);
-
-        Path file = new Path(dir, "file");
-
-        FSDataOutputStream fos = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        fos.close();
-
-        list = fs.listStatus(dir);
-
-        assert list.length == 2;
-
-        String listRes1 = list[0].getPath().getName();
-        String listRes2 = list[1].getPath().getName();
-
-        assert "subDir".equals(listRes1) && "file".equals(listRes2) || "subDir".equals(listRes2) &&
-            "file".equals(listRes1);
-
-        // Test listing of a file.
-        list = fs.listStatus(file);
-
-        assert list.length == 1;
-
-        assert "file".equals(list[0].getPath().getName());
-    }
-
-    /** @throws Exception If failed. */
-    public void testMkdirsIfPathIsNull() throws Exception {
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fs.mkdir(null, FsPermission.getDefault(), true);
-
-                return null;
-            }
-        }, NullPointerException.class, "Ouch! Argument cannot be null: f");
-    }
-
-    /** @throws Exception If failed. */
-    public void testMkdirsIfPermissionIsNull() throws Exception {
-        Path dir = new Path("/tmp");
-
-        fs.mkdir(dir, null, true);
-
-        assertEquals(FsPermission.getDefault(), fs.getFileStatus(dir).getPermission());
-    }
-
-    /** @throws Exception If failed. */
-    @SuppressWarnings("OctalInteger")
-    public void testMkdirs() throws Exception {
-        Path fsHome = new Path(primaryFileSystemUriPath());
-        Path dir = new Path(fsHome, "/tmp/staging");
-        Path nestedDir = new Path(dir, "nested");
-
-        FsPermission dirPerm = FsPermission.createImmutable((short)0700);
-        FsPermission nestedDirPerm = FsPermission.createImmutable((short)111);
-
-        fs.mkdir(dir, dirPerm, true);
-        fs.mkdir(nestedDir, nestedDirPerm, true);
-
-        assertEquals(dirPerm, fs.getFileStatus(dir).getPermission());
-        assertEquals(nestedDirPerm, fs.getFileStatus(nestedDir).getPermission());
-    }
-
-    /** @throws Exception If failed. */
-    public void testGetFileStatusIfPathIsNull() throws Exception {
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                return fs.getFileStatus(null);
-            }
-        }, NullPointerException.class, "Ouch! Argument cannot be null: f");
-    }
-
-    /** @throws Exception If failed. */
-    public void testGetFileStatusIfPathDoesNotExist() throws Exception {
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                return fs.getFileStatus(new Path("someDir"));
-            }
-        }, FileNotFoundException.class, "File not found: someDir");
-    }
-
-    /** @throws Exception If failed. */
-    public void testGetFileBlockLocationsIfFileStatusIsNull() throws Exception {
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                // Argument is checked by Hadoop.
-                return fs.getFileBlockLocations(null, 1, 2);
-            }
-        }, NullPointerException.class, null);
-    }
-
-    /** @throws Exception If failed. */
-    public void testGetFileBlockLocationsIfFileStatusReferenceNotExistingPath() throws Exception {
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                return fs.getFileBlockLocations(new Path("/someFile"), 1, 2);
-            }
-        }, FileNotFoundException.class, null);
-    }
-
-    /** @throws Exception If failed. */
-    public void testGetFileBlockLocations() throws Exception {
-        Path igfsHome = new Path(primaryFsUri);
-
-        Path file = new Path(igfsHome, "someFile");
-
-        try (OutputStream out = new BufferedOutputStream(fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault())))) {
-            byte[] data = new byte[128 * 1024];
-
-            for (int i = 0; i < 100; i++)
-                out.write(data);
-
-            out.flush();
-        }
-
-        try (FSDataInputStream in = fs.open(file, 1024 * 1024)) {
-            byte[] data = new byte[128 * 1024];
-
-            int read;
-
-            do {
-                read = in.read(data);
-            }
-            while (read > 0);
-        }
-
-        FileStatus status = fs.getFileStatus(file);
-
-        int grpLen = 128 * 512 * 1024;
-
-        int grpCnt = (int)((status.getLen() + grpLen - 1) / grpLen);
-
-        BlockLocation[] locations = fs.getFileBlockLocations(file, 0, status.getLen());
-
-        assertEquals(grpCnt, locations.length);
-    }
-
-    /** @throws Exception If failed. */
-    public void testZeroReplicationFactor() throws Exception {
-        // This test doesn't make sense for any mode except of PRIMARY.
-        if (mode == PRIMARY) {
-            Path igfsHome = new Path(primaryFsUri);
-
-            Path file = new Path(igfsHome, "someFile");
-
-            try (FSDataOutputStream out = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-                Options.CreateOpts.perms(FsPermission.getDefault()), Options.CreateOpts.repFac((short)1))) {
-                out.write(new byte[1024 * 1024]);
-            }
-
-            IgniteFs igfs = grid(0).fileSystem("igfs");
-
-            IgfsPath filePath = new IgfsPath("/someFile");
-
-            IgfsFile fileInfo = igfs.info(filePath);
-
-            Collection<IgfsBlockLocation> locations = igfs.affinity(filePath, 0, fileInfo.length());
-
-            assertEquals(1, locations.size());
-
-            IgfsBlockLocation location = F.first(locations);
-
-            assertEquals(1, location.nodeIds().size());
-        }
-    }
-
-    /**
-     * Ensure that when running in multithreaded mode only one create() operation succeed.
-     *
-     * @throws Exception If failed.
-     */
-    public void testMultithreadedCreate() throws Exception {
-        Path dir = new Path(new Path(primaryFsUri), "/dir");
-
-        fs.mkdir(dir, FsPermission.getDefault(), true);
-
-        final Path file = new Path(dir, "file");
-
-        fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault())).close();
-
-        final AtomicInteger cnt = new AtomicInteger();
-
-        final Collection<Integer> errs = new GridConcurrentHashSet<>(THREAD_CNT, 1.0f, THREAD_CNT);
-
-        multithreaded(new Runnable() {
-            @Override public void run() {
-                int idx = cnt.getAndIncrement();
-
-                byte[] data = new byte[256];
-
-                Arrays.fill(data, (byte)idx);
-
-                FSDataOutputStream os = null;
-
-                try {
-                    os = fs.create(file, EnumSet.of(CreateFlag.OVERWRITE),
-                        Options.CreateOpts.perms(FsPermission.getDefault()));
-
-                    os.write(data);
-                }
-                catch (IOException ignore) {
-                    errs.add(idx);
-                }
-                finally {
-                    U.awaitQuiet(barrier);
-
-                    U.closeQuiet(os);
-                }
-            }
-        }, THREAD_CNT);
-
-        // Only one thread could obtain write lock on the file.
-        assert errs.size() == THREAD_CNT - 1 : "Invalid errors count [expected=" + (THREAD_CNT - 1) + ", actual=" +
-            errs.size() + ']';
-
-        int idx = -1;
-
-        for (int i = 0; i < THREAD_CNT; i++) {
-            if (!errs.remove(i)) {
-                idx = i;
-
-                break;
-            }
-        }
-
-        byte[] expData = new byte[256];
-
-        Arrays.fill(expData, (byte)idx);
-
-        FSDataInputStream is = fs.open(file);
-
-        byte[] data = new byte[256];
-
-        is.read(data);
-
-        is.close();
-
-        assert Arrays.equals(expData, data);
-    }
-
-    /**
-     * Ensure that when running in multithreaded mode only one append() operation succeed.
-     *
-     * @throws Exception If failed.
-     */
-    public void testMultithreadedAppend() throws Exception {
-        Path dir = new Path(new Path(primaryFsUri), "/dir");
-
-        fs.mkdir(dir, FsPermission.getDefault(), true);
-
-        final Path file = new Path(dir, "file");
-
-        fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault())).close();
-
-        final AtomicInteger cnt = new AtomicInteger();
-
-        final Collection<Integer> errs = new GridConcurrentHashSet<>(THREAD_CNT, 1.0f, THREAD_CNT);
-
-        multithreaded(new Runnable() {
-            @Override public void run() {
-                int idx = cnt.getAndIncrement();
-
-                byte[] data = new byte[256];
-
-                Arrays.fill(data, (byte)idx);
-
-                U.awaitQuiet(barrier);
-
-                FSDataOutputStream os = null;
-
-                try {
-                    os = fs.create(file, EnumSet.of(CreateFlag.APPEND),
-                        Options.CreateOpts.perms(FsPermission.getDefault()));
-
-                    os.write(data);
-                }
-                catch (IOException ignore) {
-                    errs.add(idx);
-                }
-                finally {
-                    U.awaitQuiet(barrier);
-
-                    U.closeQuiet(os);
-                }
-            }
-        }, THREAD_CNT);
-
-        // Only one thread could obtain write lock on the file.
-        assert errs.size() == THREAD_CNT - 1;
-
-        int idx = -1;
-
-        for (int i = 0; i < THREAD_CNT; i++) {
-            if (!errs.remove(i)) {
-                idx = i;
-
-                break;
-            }
-        }
-
-        byte[] expData = new byte[256];
-
-        Arrays.fill(expData, (byte)idx);
-
-        FSDataInputStream is = fs.open(file);
-
-        byte[] data = new byte[256];
-
-        is.read(data);
-
-        is.close();
-
-        assert Arrays.equals(expData, data);
-    }
-
-    /**
-     * Test concurrent reads within the file.
-     *
-     * @throws Exception If failed.
-     */
-    public void testMultithreadedOpen() throws Exception {
-        final byte[] dataChunk = new byte[256];
-
-        for (int i = 0; i < dataChunk.length; i++)
-            dataChunk[i] = (byte)i;
-
-        Path dir = new Path(new Path(primaryFsUri), "/dir");
-
-        fs.mkdir(dir, FsPermission.getDefault(), true);
-
-        final Path file = new Path(dir, "file");
-
-        FSDataOutputStream os = fs.create(file, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault()));
-
-        // Write 256 * 2048 = 512Kb of data.
-        for (int i = 0; i < 2048; i++)
-            os.write(dataChunk);
-
-        os.close();
-
-        final AtomicBoolean err = new AtomicBoolean();
-
-        multithreaded(new Runnable() {
-            @Override
-            public void run() {
-                FSDataInputStream is = null;
-
-                try {
-                    int pos = ThreadLocalRandom8.current().nextInt(2048);
-
-                    try {
-                        is = fs.open(file);
-                    }
-                    finally {
-                        U.awaitQuiet(barrier);
-                    }
-
-                    is.seek(256 * pos);
-
-                    byte[] buf = new byte[256];
-
-                    for (int i = pos; i < 2048; i++) {
-                        // First perform normal read.
-                        int read = is.read(buf);
-
-                        assert read == 256;
-
-                        Arrays.equals(dataChunk, buf);
-                    }
-
-                    int res = is.read(buf);
-
-                    assert res == -1;
-                }
-                catch (IOException ignore) {
-                    err.set(true);
-                }
-                finally {
-                    U.closeQuiet(is);
-                }
-            }
-        }, THREAD_CNT);
-
-        assert !err.get();
-    }
-
-    /**
-     * Test concurrent creation of multiple directories.
-     *
-     * @throws Exception If failed.
-     */
-    public void testMultithreadedMkdirs() throws Exception {
-        final Path dir = new Path(new Path("igfs:///"), "/dir");
-
-        fs.mkdir(dir, FsPermission.getDefault(), true);
-
-        final int depth = 3;
-        final int entryCnt = 5;
-
-        final AtomicBoolean err = new AtomicBoolean();
-
-        multithreaded(new Runnable() {
-            @Override public void run() {
-                Deque<IgniteBiTuple<Integer, Path>> queue = new ArrayDeque<>();
-
-                queue.add(F.t(0, dir));
-
-                U.awaitQuiet(barrier);
-
-                while (!queue.isEmpty()) {
-                    IgniteBiTuple<Integer, Path> t = queue.pollFirst();
-
-                    int curDepth = t.getKey();
-                    Path curPath = t.getValue();
-
-                    if (curDepth <= depth) {
-                        int newDepth = curDepth + 1;
-
-                        // Create directories.
-                        for (int i = 0; i < entryCnt; i++) {
-                            Path subDir = new Path(curPath, "dir-" + newDepth + "-" + i);
-
-                            try {
-                                fs.mkdir(subDir, FsPermission.getDefault(), true);
-                            }
-                            catch (IOException ignore) {
-                                err.set(true);
-                            }
-
-                            queue.addLast(F.t(newDepth, subDir));
-                        }
-                    }
-                }
-            }
-        }, THREAD_CNT);
-
-        // Ensure there were no errors.
-        assert !err.get();
-
-        // Ensure correct folders structure.
-        Deque<IgniteBiTuple<Integer, Path>> queue = new ArrayDeque<>();
-
-        queue.add(F.t(0, dir));
-
-        while (!queue.isEmpty()) {
-            IgniteBiTuple<Integer, Path> t = queue.pollFirst();
-
-            int curDepth = t.getKey();
-            Path curPath = t.getValue();
-
-            if (curDepth <= depth) {
-                int newDepth = curDepth + 1;
-
-                // Create directories.
-                for (int i = 0; i < entryCnt; i++) {
-                    Path subDir = new Path(curPath, "dir-" + newDepth + "-" + i);
-
-                    assertNotNull(fs.getFileStatus(subDir));
-
-                    queue.add(F.t(newDepth, subDir));
-                }
-            }
-        }
-    }
-
-    /**
-     * Test concurrent deletion of the same directory with advanced structure.
-     *
-     * @throws Exception If failed.
-     */
-    @SuppressWarnings("TooBroadScope")
-    public void testMultithreadedDelete() throws Exception {
-        final Path dir = new Path(new Path(primaryFsUri), "/dir");
-
-        fs.mkdir(dir, FsPermission.getDefault(), true);
-
-        int depth = 3;
-        int entryCnt = 5;
-
-        Deque<IgniteBiTuple<Integer, Path>> queue = new ArrayDeque<>();
-
-        queue.add(F.t(0, dir));
-
-        while (!queue.isEmpty()) {
-            IgniteBiTuple<Integer, Path> t = queue.pollFirst();
-
-            int curDepth = t.getKey();
-            Path curPath = t.getValue();
-
-            if (curDepth < depth) {
-                int newDepth = curDepth + 1;
-
-                // Create directories.
-                for (int i = 0; i < entryCnt; i++) {
-                    Path subDir = new Path(curPath, "dir-" + newDepth + "-" + i);
-
-                    fs.mkdir(subDir, FsPermission.getDefault(), true);
-
-                    queue.addLast(F.t(newDepth, subDir));
-                }
-            }
-            else {
-                // Create files.
-                for (int i = 0; i < entryCnt; i++) {
-                    Path file = new Path(curPath, "file " + i);
-
-                    fs.create(file, EnumSet.noneOf(CreateFlag.class),
-                        Options.CreateOpts.perms(FsPermission.getDefault())).close();
-                }
-            }
-        }
-
-        final AtomicBoolean err = new AtomicBoolean();
-
-        multithreaded(new Runnable() {
-            @Override public void run() {
-                try {
-                    U.awaitQuiet(barrier);
-
-                    fs.delete(dir, true);
-                }
-                catch (FileNotFoundException ignore) {
-                    // No-op.
-                }
-                catch (IOException ignore) {
-                    err.set(true);
-                }
-            }
-        }, THREAD_CNT);
-
-        // Ensure there were no errors.
-        assert !err.get();
-
-        // Ensure the directory was actually deleted.
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                fs.getFileStatus(dir);
-
-                return null;
-            }
-        }, FileNotFoundException.class, null);
-    }
-
-    /** @throws Exception If failed. */
-    public void testConsistency() throws Exception {
-        // Default buffers values
-        checkConsistency(-1, 1, -1, -1, 1, -1);
-        checkConsistency(-1, 10, -1, -1, 10, -1);
-        checkConsistency(-1, 100, -1, -1, 100, -1);
-        checkConsistency(-1, 1000, -1, -1, 1000, -1);
-        checkConsistency(-1, 10000, -1, -1, 10000, -1);
-        checkConsistency(-1, 100000, -1, -1, 100000, -1);
-
-        checkConsistency(65 * 1024 + 13, 100000, -1, -1, 100000, -1);
-
-        checkConsistency(-1, 100000, 2 * 4 * 1024 + 17, -1, 100000, -1);
-
-        checkConsistency(-1, 100000, -1, 65 * 1024 + 13, 100000, -1);
-
-        checkConsistency(-1, 100000, -1, -1, 100000, 2 * 4 * 1024 + 17);
-
-        checkConsistency(65 * 1024 + 13, 100000, 2 * 4 * 1024 + 13, 65 * 1024 + 149, 100000, 2 * 4 * 1024 + 157);
-    }
-
-    /**
-     * Verifies that client reconnects after connection to the server has been lost.
-     *
-     * @throws Exception If error occurs.
-     */
-    public void testClientReconnect() throws Exception {
-        final Path igfsHome = new Path(primaryFsUri);
-
-        final Path filePath = new Path(igfsHome, "someFile");
-
-        final FSDataOutputStream s = fs.create(filePath, EnumSet.noneOf(CreateFlag.class),
-            Options.CreateOpts.perms(FsPermission.getDefault())); // Open stream before stopping IGFS.
-
-        try {
-            G.stopAll(true); // Stop the server.
-
-            startNodes(); // Start server again.
-
-            // Check that client is again operational.
-            fs.mkdir(new Path("igfs:///dir1/dir2"), FsPermission.getDefault(), true);
-
-            // However, the streams, opened before disconnect, should not be valid.
-            GridTestUtils.assertThrows(log, new Callable<Object>() {
-                @Nullable @Override public Object call() throws Exception {
-                    s.write("test".getBytes());
-
-                    s.flush();
-
-                    return null;
-                }
-            }, IOException.class, null);
-
-            GridTestUtils.assertThrows(log, new Callable<Object>() {
-                @Override public Object call() throws Exception {
-                    fs.getFileStatus(filePath);
-
-                    return null;
-                }
-            }, FileNotFoundException.class, null);
-        }
-        finally {
-            U.closeQuiet(s);
-        }
-    }
-
-    /**
-     * Verifies that client reconnects after connection to the server has been lost (multithreaded mode).
-     *
-     * @throws Exception If error occurs.
-     */
-    public void testClientReconnectMultithreaded() throws Exception {
-        final ConcurrentLinkedQueue<FileSystem> q = new ConcurrentLinkedQueue<>();
-
-        Configuration cfg = new Configuration();
-
-        for (Map.Entry<String, String> entry : primaryFsCfg)
-            cfg.set(entry.getKey(), entry.getValue());
-
-        cfg.setBoolean("fs.igfs.impl.disable.cache", true);
-
-        final int nClients = 16;
-
-        // Initialize clients.
-        for (int i = 0; i < nClients; i++)
-            q.add(FileSystem.get(primaryFsUri, cfg));
-
-        G.stopAll(true); // Stop the server.
-
-        startNodes(); // Start server again.
-
-        GridTestUtils.runMultiThreaded(new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                FileSystem fs = q.poll();
-
-                try {
-                    // Check that client is again operational.
-                    assertTrue(fs.mkdirs(new Path("igfs:///" + Thread.currentThread().getName())));
-
-                    return true;
-                }
-                finally {
-                    U.closeQuiet(fs);
-                }
-            }
-        }, nClients, "test-client");
-    }
-
-    /**
-     * Checks consistency of create --> open --> append --> open operations with different buffer sizes.
-     *
-     * @param createBufSize Buffer size used for file creation.
-     * @param writeCntsInCreate Count of times to write in file creation.
-     * @param openAfterCreateBufSize Buffer size used for file opening after creation.
-     * @param appendBufSize Buffer size used for file appending.
-     * @param writeCntsInAppend Count of times to write in file appending.
-     * @param openAfterAppendBufSize Buffer size used for file opening after appending.
-     * @throws Exception If failed.
-     */
-    private void checkConsistency(int createBufSize, int writeCntsInCreate, int openAfterCreateBufSize,
-        int appendBufSize, int writeCntsInAppend, int openAfterAppendBufSize) throws Exception {
-        final Path igfsHome = new Path(primaryFsUri);
-
-        Path file = new Path(igfsHome, "/someDir/someInnerDir/someFile");
-
-        if (createBufSize == -1)
-            createBufSize = fs.getServerDefaults().getFileBufferSize();
-
-        if (appendBufSize == -1)
-            appendBufSize = fs.getServerDefaults().getFileBufferSize();
-
-        FSDataOutputStream os = fs.create(file, EnumSet.of(CreateFlag.OVERWRITE),
-            Options.CreateOpts.perms(FsPermission.getDefault()), Options.CreateOpts.bufferSize(createBufSize));
-
-        for (int i = 0; i < writeCntsInCreate; i++)
-            os.writeInt(i);
-
-        os.close();
-
-        FSDataInputStream is = fs.open(file, openAfterCreateBufSize);
-
-        for (int i = 0; i < writeCntsInCreate; i++)
-            assertEquals(i, is.readInt());
-
-        is.close();
-
-        os = fs.create(file, EnumSet.of(CreateFlag.APPEND),
-            Options.CreateOpts.perms(FsPermission.getDefault()), Options.CreateOpts.bufferSize(appendBufSize));
-
-        for (int i = writeCntsInCreate; i < writeCntsInCreate + writeCntsInAppend; i++)
-            os.writeInt(i);
-
-        os.close();
-
-        is = fs.open(file, openAfterAppendBufSize);
-
-        for (int i = 0; i < writeCntsInCreate + writeCntsInAppend; i++)
-            assertEquals(i, is.readInt());
-
-        is.close();
-    }
-
-    /**
-     * Test expected failures for 'close' operation.
-     *
-     * @param fs File system to test.
-     * @param msg Expected exception message.
-     */
-    public void assertCloseFails(final FileSystem fs, String msg) {
-        GridTestUtils.assertThrows(log, new Callable() {
-            @Override public Object call() throws Exception {
-                fs.close();
-
-                return null;
-            }
-        }, IOException.class, msg);
-    }
-
-    /**
-     * Test expected failures for 'get content summary' operation.
-     *
-     * @param fs File system to test.
-     * @param path Path to evaluate content summary for.
-     */
-    private void assertContentSummaryFails(final FileSystem fs, final Path path) {
-        GridTestUtils.assertThrows(log, new Callable<ContentSummary>() {
-            @Override public ContentSummary call() throws Exception {
-                return fs.getContentSummary(path);
-            }
-        }, FileNotFoundException.class, null);
-    }
-
-    /**
-     * Assert that a given path exists in a given FileSystem.
-     *
-     * @param fs FileSystem to check.
-     * @param p Path to check.
-     * @throws IOException if the path does not exist.
-     */
-    private void assertPathExists(AbstractFileSystem fs, Path p) throws IOException {
-        FileStatus fileStatus = fs.getFileStatus(p);
-
-        assertEquals(p, fileStatus.getPath());
-        assertNotSame(0, fileStatus.getModificationTime());
-    }
-
-    /**
-     * Check path does not exist in a given FileSystem.
-     *
-     * @param fs FileSystem to check.
-     * @param path Path to check.
-     */
-    private void assertPathDoesNotExist(final AbstractFileSystem fs, final Path path) {
-        GridTestUtils.assertThrows(log, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                return fs.getFileStatus(path);
-            }
-        }, FileNotFoundException.class, null);
-    }
-
-    /** Helper class to encapsulate source and destination folders. */
-    @SuppressWarnings({"PublicInnerClass", "PublicField"})
-    public static final class Config {
-        /** Source file system. */
-        public final AbstractFileSystem srcFs;
-
-        /** Source path to work with. */
-        public final Path src;
-
-        /** Destination file system. */
-        public final AbstractFileSystem destFs;
-
-        /** Destination path to work with. */
-        public final Path dest;
-
-        /**
-         * Copying task configuration.
-         *
-         * @param srcFs Source file system.
-         * @param src Source path.
-         * @param destFs Destination file system.
-         * @param dest Destination path.
-         */
-        public Config(AbstractFileSystem srcFs, Path src, AbstractFileSystem destFs, Path dest) {
-            this.srcFs = srcFs;
-            this.src = src;
-            this.destFs = destFs;
-            this.dest = dest;
-        }
-    }
-
-    /**
-     * Convert path for exception message testing purposes.
-     *
-     * @param path Path.
-     * @return Converted path.
-     * @throws Exception If failed.
-     */
-    private Path convertPath(Path path) throws Exception {
-        if (mode != PROXY)
-            return path;
-        else {
-            URI secondaryUri = new URI(secondaryFileSystemUriPath());
-
-            URI pathUri = path.toUri();
-
-            return new Path(new URI(pathUri.getScheme() != null ? secondaryUri.getScheme() : null,
-                pathUri.getAuthority() != null ? secondaryUri.getAuthority() : null, pathUri.getPath(), null, null));
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsHadoop20FileSystemLoopbackPrimarySelfTest.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsHadoop20FileSystemLoopbackPrimarySelfTest.java b/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsHadoop20FileSystemLoopbackPrimarySelfTest.java
deleted file mode 100644
index 47e1c86..0000000
--- a/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsHadoop20FileSystemLoopbackPrimarySelfTest.java
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * 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.igfs;
-
-import java.util.*;
-
-import static org.apache.ignite.igfs.IgfsMode.*;
-import static org.apache.ignite.internal.util.ipc.shmem.IpcSharedMemoryServerEndpoint.*;
-
-/**
- * Tests Hadoop 2.x file system in primary mode.
- */
-public class IgfsHadoop20FileSystemLoopbackPrimarySelfTest extends IgfsHadoop20FileSystemAbstractSelfTest {
-    /**
-     * Creates test in primary mode.
-     */
-    public IgfsHadoop20FileSystemLoopbackPrimarySelfTest() {
-        super(PRIMARY);
-    }
-
-    /** {@inheritDoc} */
-    @Override protected String primaryFileSystemUriPath() {
-        return "igfs://igfs:" + getTestGridName(0) + "@/";
-    }
-
-    /** {@inheritDoc} */
-    @Override protected String primaryFileSystemConfigPath() {
-        return "/modules/core/src/test/config/hadoop/core-site-loopback.xml";
-    }
-
-    /** {@inheritDoc} */
-    @Override protected Map<String, String> primaryIpcEndpointConfiguration(final String gridName) {
-        return new HashMap<String, String>() {{
-            put("type", "tcp");
-            put("port", String.valueOf(DFLT_IPC_PORT + getTestGridIndex(gridName)));
-        }};
-    }
-
-    /** {@inheritDoc} */
-    @Override protected String secondaryFileSystemUriPath() {
-        assert false;
-
-        return null;
-    }
-
-    /** {@inheritDoc} */
-    @Override protected String secondaryFileSystemConfigPath() {
-        assert false;
-
-        return null;
-    }
-
-    /** {@inheritDoc} */
-    @Override protected Map<String, String> secondaryIpcEndpointConfiguration() {
-        assert false;
-
-        return null;
-    }
-}

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/6423cf02/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsHadoop20FileSystemShmemPrimarySelfTest.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsHadoop20FileSystemShmemPrimarySelfTest.java b/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsHadoop20FileSystemShmemPrimarySelfTest.java
deleted file mode 100644
index 631f188..0000000
--- a/modules/hadoop/src/test/java/org/apache/ignite/igfs/IgfsHadoop20FileSystemShmemPrimarySelfTest.java
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * 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.igfs;
-
-import java.util.*;
-
-import static org.apache.ignite.igfs.IgfsMode.*;
-import static org.apache.ignite.internal.util.ipc.shmem.IpcSharedMemoryServerEndpoint.*;
-
-/**
- * Tests Hadoop 2.x file system in primary mode.
- */
-public class IgfsHadoop20FileSystemShmemPrimarySelfTest extends IgfsHadoop20FileSystemAbstractSelfTest {
-    /**
-     * Creates test in primary mode.
-     */
-    public IgfsHadoop20FileSystemShmemPrimarySelfTest() {
-        super(PRIMARY);
-    }
-
-    /** {@inheritDoc} */
-    @Override protected String primaryFileSystemUriPath() {
-        return "igfs://igfs:" + getTestGridName(0) + "@/";
-    }
-
-    /** {@inheritDoc} */
-    @Override protected String primaryFileSystemConfigPath() {
-        return "/modules/core/src/test/config/hadoop/core-site.xml";
-    }
-
-    /** {@inheritDoc} */
-    @Override protected Map<String, String> primaryIpcEndpointConfiguration(final String gridName) {
-        return new HashMap<String, String>() {{
-            put("type", "shmem");
-            put("port", String.valueOf(DFLT_IPC_PORT + getTestGridIndex(gridName)));
-        }};
-    }
-
-    /** {@inheritDoc} */
-    @Override protected String secondaryFileSystemUriPath() {
-        assert false;
-
-        return null;
-    }
-
-    /** {@inheritDoc} */
-    @Override protected String secondaryFileSystemConfigPath() {
-        assert false;
-
-        return null;
-    }
-
-    /** {@inheritDoc} */
-    @Override protected Map<String, String> secondaryIpcEndpointConfiguration() {
-        assert false;
-
-        return null;
-    }
-}


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