http://git-wip-us.apache.org/repos/asf/ignite/blob/67b4da70/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/examples/HadoopWordCount2Reducer.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/examples/HadoopWordCount2Reducer.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/examples/HadoopWordCount2Reducer.java
deleted file mode 100644
index e780170..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/examples/HadoopWordCount2Reducer.java
+++ /dev/null
@@ -1,113 +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.internal.processors.hadoop.examples;
-
-import java.io.IOException;
-import org.apache.hadoop.conf.Configurable;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.io.IntWritable;
-import org.apache.hadoop.io.Text;
-import org.apache.hadoop.mapreduce.Reducer;
-import org.apache.ignite.internal.processors.hadoop.HadoopErrorSimulator;
-
-/**
- * Combiner and Reducer phase of WordCount job.
- */
-public class HadoopWordCount2Reducer extends Reducer<Text, IntWritable, Text, 
IntWritable> implements Configurable {
-    /** Writable container for writing sum of word counts. */
-    private IntWritable totalWordCnt = new IntWritable();
-
-    /** Flag is to check that mapper was configured before run. */
-    private boolean wasConfigured;
-
-    /** Flag is to check that mapper was set up before run. */
-    private boolean wasSetUp;
-
-    /** {@inheritDoc} */
-    @Override public void reduce(Text key, Iterable<IntWritable> values, 
Context ctx) throws IOException, InterruptedException {
-        assert wasConfigured : "Reducer should be configured";
-        assert wasSetUp : "Reducer should be set up";
-
-        int wordCnt = 0;
-
-        for (IntWritable value : values)
-            wordCnt += value.get();
-
-        totalWordCnt.set(wordCnt);
-
-        ctx.write(key, totalWordCnt);
-
-        reduceError();
-    }
-
-    /**
-     * Simulates reduce error if needed.
-     */
-    protected void reduceError() throws IOException, InterruptedException {
-        HadoopErrorSimulator.instance().onReduce();
-    }
-
-    /** {@inheritDoc} */
-    @Override protected void setup(Context context) throws IOException, 
InterruptedException {
-        super.setup(context);
-
-        wasSetUp = true;
-
-        setupError();
-    }
-
-    /**
-     * Simulates setup error if needed.
-     */
-    protected void setupError() throws IOException, InterruptedException {
-        HadoopErrorSimulator.instance().onReduceSetup();
-    }
-
-    /** {@inheritDoc} */
-    @Override protected void cleanup(Context context) throws IOException, 
InterruptedException {
-        super.cleanup(context);
-
-        cleanupError();
-    }
-
-    /**
-     * Simulates cleanup error if needed.
-     */
-    protected void cleanupError() throws IOException, InterruptedException {
-        HadoopErrorSimulator.instance().onReduceCleanup();
-    }
-
-    /** {@inheritDoc} */
-    @Override public void setConf(Configuration conf) {
-        wasConfigured = true;
-
-        configError();
-    }
-
-    /**
-     * Simulates configuration error if needed.
-     */
-    protected void configError() {
-        HadoopErrorSimulator.instance().onReduceConfigure();
-    }
-
-    /** {@inheritDoc} */
-    @Override public Configuration getConf() {
-        return null;
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/67b4da70/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/fs/KerberosHadoopFileSystemFactorySelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/fs/KerberosHadoopFileSystemFactorySelfTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/fs/KerberosHadoopFileSystemFactorySelfTest.java
deleted file mode 100644
index ab6376f..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/fs/KerberosHadoopFileSystemFactorySelfTest.java
+++ /dev/null
@@ -1,126 +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.internal.processors.hadoop.fs;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.ObjectInput;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutput;
-import java.io.ObjectOutputStream;
-import java.util.concurrent.Callable;
-
-import org.apache.ignite.hadoop.fs.KerberosHadoopFileSystemFactory;
-import 
org.apache.ignite.internal.processors.hadoop.common.delegate.HadoopDelegateUtils;
-import 
org.apache.ignite.internal.processors.hadoop.common.delegate.HadoopFileSystemFactoryDelegate;
-import org.apache.ignite.testframework.GridTestUtils;
-import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
-import org.junit.Assert;
-
-/**
- * Tests KerberosHadoopFileSystemFactory.
- */
-public class KerberosHadoopFileSystemFactorySelfTest extends 
GridCommonAbstractTest {
-    /**
-     * Test parameters validation.
-     *
-     * @throws Exception If failed.
-     */
-    public void testParameters() throws Exception {
-        checkParameters(null, null, -1);
-
-        checkParameters(null, null, 100);
-        checkParameters(null, "b", -1);
-        checkParameters("a", null, -1);
-
-        checkParameters(null, "b", 100);
-        checkParameters("a", null, 100);
-        checkParameters("a", "b", -1);
-    }
-
-    /**
-     * Check parameters.
-     *
-     * @param keyTab Key tab.
-     * @param keyTabPrincipal Key tab principal.
-     * @param reloginInterval Re-login interval.
-     */
-    @SuppressWarnings("ThrowableResultOfMethodCallIgnored")
-    private void checkParameters(String keyTab, String keyTabPrincipal, long 
reloginInterval) {
-        final KerberosHadoopFileSystemFactory fac = new 
KerberosHadoopFileSystemFactory();
-
-        fac.setKeyTab(keyTab);
-        fac.setKeyTabPrincipal(keyTabPrincipal);
-        fac.setReloginInterval(reloginInterval);
-
-        GridTestUtils.assertThrows(null, new Callable<Object>() {
-            @Override public Object call() throws Exception {
-                HadoopFileSystemFactoryDelegate delegate = 
HadoopDelegateUtils.fileSystemFactoryDelegate(fac);
-
-                delegate.start();
-
-                return null;
-            }
-        }, IllegalArgumentException.class, null);
-    }
-
-    /**
-     * Checks serializatuion and deserialization of the secure factory.
-     *
-     * @throws Exception If failed.
-     */
-    public void testSerialization() throws Exception {
-        KerberosHadoopFileSystemFactory fac = new 
KerberosHadoopFileSystemFactory();
-
-        checkSerialization(fac);
-
-        fac = new KerberosHadoopFileSystemFactory();
-
-        fac.setUri("igfs://igfs@localhost:10500/");
-        fac.setConfigPaths("/a/core-sute.xml", "/b/mapred-site.xml");
-        fac.setKeyTabPrincipal("foo");
-        fac.setKeyTab("/etc/krb5.keytab");
-        fac.setReloginInterval(30 * 60 * 1000L);
-
-        checkSerialization(fac);
-    }
-
-    /**
-     * Serializes the factory,
-     *
-     * @param fac The facory to check.
-     * @throws Exception If failed.
-     */
-    private void checkSerialization(KerberosHadoopFileSystemFactory fac) 
throws Exception {
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-
-        ObjectOutput oo = new ObjectOutputStream(baos);
-
-        oo.writeObject(fac);
-
-        ObjectInput in = new ObjectInputStream(new 
ByteArrayInputStream(baos.toByteArray()));
-
-        KerberosHadoopFileSystemFactory fac2 = 
(KerberosHadoopFileSystemFactory)in.readObject();
-
-        assertEquals(fac.getUri(), fac2.getUri());
-        Assert.assertArrayEquals(fac.getConfigPaths(), fac2.getConfigPaths());
-        assertEquals(fac.getKeyTab(), fac2.getKeyTab());
-        assertEquals(fac.getKeyTabPrincipal(), fac2.getKeyTabPrincipal());
-        assertEquals(fac.getReloginInterval(), fac2.getReloginInterval());
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/67b4da70/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/Hadoop1DualAbstractTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/Hadoop1DualAbstractTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/Hadoop1DualAbstractTest.java
deleted file mode 100644
index 0d01687..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/Hadoop1DualAbstractTest.java
+++ /dev/null
@@ -1,157 +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.internal.processors.hadoop.igfs;
-
-import java.io.IOException;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.ignite.IgniteException;
-import org.apache.ignite.hadoop.fs.CachingHadoopFileSystemFactory;
-import org.apache.ignite.hadoop.fs.IgniteHadoopIgfsSecondaryFileSystem;
-import org.apache.ignite.hadoop.util.ChainedUserNameMapper;
-import org.apache.ignite.hadoop.util.KerberosUserNameMapper;
-import org.apache.ignite.hadoop.util.UserNameMapper;
-import org.apache.ignite.igfs.IgfsIpcEndpointConfiguration;
-import org.apache.ignite.igfs.IgfsIpcEndpointType;
-import org.apache.ignite.igfs.IgfsMode;
-import org.apache.ignite.igfs.secondary.IgfsSecondaryFileSystem;
-import org.apache.ignite.internal.processors.igfs.IgfsDualAbstractSelfTest;
-import org.apache.ignite.lifecycle.LifecycleAware;
-import org.jetbrains.annotations.Nullable;
-
-import static org.apache.ignite.IgniteFileSystem.IGFS_SCHEME;
-import static org.apache.ignite.igfs.IgfsMode.PRIMARY;
-
-/**
- * Abstract test for Hadoop 1.0 file system stack.
- */
-public abstract class Hadoop1DualAbstractTest extends IgfsDualAbstractSelfTest 
{
-    /** Secondary grid name */
-    private static final String GRID_NAME = "grid_secondary";
-
-    /** Secondary file system name */
-    private static final String IGFS_NAME = "igfs_secondary";
-
-    /** Secondary file system REST endpoint port */
-    private static final int PORT = 11500;
-
-    /** Secondary file system REST endpoint configuration map. */
-    private static final IgfsIpcEndpointConfiguration SECONDARY_REST_CFG = new 
IgfsIpcEndpointConfiguration() {{
-        setType(IgfsIpcEndpointType.TCP);
-        setPort(PORT);
-    }};
-
-    /** Secondary file system authority. */
-    private static final String SECONDARY_AUTHORITY = IGFS_NAME + ":" + 
GRID_NAME + "@127.0.0.1:" + PORT;
-
-    /** Secondary Fs configuration full path. */
-    protected String secondaryConfFullPath;
-
-    /** Secondary Fs URI. */
-    protected String secondaryUri;
-
-    /** Constructor. */
-    public Hadoop1DualAbstractTest(IgfsMode mode) {
-        super(mode);
-    }
-
-    /**
-     * Creates secondary filesystems.
-     * @return IgfsSecondaryFileSystem
-     * @throws Exception On failure.
-     */
-    @Override protected IgfsSecondaryFileSystem 
createSecondaryFileSystemStack() throws Exception {
-        startUnderlying();
-
-        prepareConfiguration();
-
-        KerberosUserNameMapper mapper1 = new KerberosUserNameMapper();
-
-        mapper1.setRealm("TEST.COM");
-
-        TestUserNameMapper mapper2 = new TestUserNameMapper();
-
-        ChainedUserNameMapper mapper = new ChainedUserNameMapper();
-
-        mapper.setMappers(mapper1, mapper2);
-
-        CachingHadoopFileSystemFactory factory = new 
CachingHadoopFileSystemFactory();
-
-        factory.setUri(secondaryUri);
-        factory.setConfigPaths(secondaryConfFullPath);
-        factory.setUserNameMapper(mapper);
-
-        IgniteHadoopIgfsSecondaryFileSystem second = new 
IgniteHadoopIgfsSecondaryFileSystem();
-
-        second.setFileSystemFactory(factory);
-
-        igfsSecondary = new HadoopIgfsSecondaryFileSystemTestAdapter(factory);
-
-        return second;
-    }
-
-    /**
-     * Starts underlying Ignite process.
-     * @throws IOException On failure.
-     */
-    protected void startUnderlying() throws Exception {
-        startGridWithIgfs(GRID_NAME, IGFS_NAME, PRIMARY, null, 
SECONDARY_REST_CFG, secondaryIpFinder);
-    }
-
-    /**
-     * Prepares Fs configuration.
-     * @throws IOException On failure.
-     */
-    protected void prepareConfiguration() throws IOException {
-        Configuration secondaryConf = 
HadoopSecondaryFileSystemConfigurationTest.configuration(IGFS_SCHEME, 
SECONDARY_AUTHORITY, true, true);
-
-        secondaryConf.setInt("fs.igfs.block.size", 1024);
-
-        secondaryConfFullPath = 
HadoopSecondaryFileSystemConfigurationTest.writeConfiguration(secondaryConf, 
HadoopSecondaryFileSystemConfigurationTest.SECONDARY_CFG_PATH);
-
-        secondaryUri = 
HadoopSecondaryFileSystemConfigurationTest.mkUri(IGFS_SCHEME, 
SECONDARY_AUTHORITY);
-    }
-
-    /**
-     * Test user name mapper.
-     */
-    private static class TestUserNameMapper implements UserNameMapper, 
LifecycleAware {
-        /** */
-        private static final long serialVersionUID = 0L;
-
-        /** Started flag. */
-        private boolean started;
-
-        /** {@inheritDoc} */
-        @Nullable @Override public String map(String name) {
-            assert started;
-            assert name != null && name.contains("@");
-
-            return name.substring(0, name.indexOf("@"));
-        }
-
-        /** {@inheritDoc} */
-        @Override public void start() throws IgniteException {
-            started = true;
-        }
-
-        /** {@inheritDoc} */
-        @Override public void stop() throws IgniteException {
-            // No-op.
-        }
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/67b4da70/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/Hadoop1OverIgfsDualAsyncTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/Hadoop1OverIgfsDualAsyncTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/Hadoop1OverIgfsDualAsyncTest.java
deleted file mode 100644
index 89a4148..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/Hadoop1OverIgfsDualAsyncTest.java
+++ /dev/null
@@ -1,32 +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.internal.processors.hadoop.igfs;
-
-import org.apache.ignite.igfs.IgfsMode;
-
-/**
- * DUAL_ASYNC mode test.
- */
-public class Hadoop1OverIgfsDualAsyncTest extends Hadoop1DualAbstractTest {
-    /**
-     * Constructor.
-     */
-    public Hadoop1OverIgfsDualAsyncTest() {
-        super(IgfsMode.DUAL_ASYNC);
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/67b4da70/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/Hadoop1OverIgfsDualSyncTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/Hadoop1OverIgfsDualSyncTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/Hadoop1OverIgfsDualSyncTest.java
deleted file mode 100644
index 2b85783..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/Hadoop1OverIgfsDualSyncTest.java
+++ /dev/null
@@ -1,32 +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.internal.processors.hadoop.igfs;
-
-import org.apache.ignite.igfs.IgfsMode;
-
-/**
- * DUAL_SYNC mode.
- */
-public class Hadoop1OverIgfsDualSyncTest extends Hadoop1DualAbstractTest {
-    /**
-     * Constructor.
-     */
-    public Hadoop1OverIgfsDualSyncTest() {
-        super(IgfsMode.DUAL_SYNC);
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/67b4da70/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/HadoopFIleSystemFactorySelfTest.java
----------------------------------------------------------------------
diff --git 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/HadoopFIleSystemFactorySelfTest.java
 
b/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/HadoopFIleSystemFactorySelfTest.java
deleted file mode 100644
index 85ef32c..0000000
--- 
a/modules/hadoop-impl/src/test/java/org/apache/ignite/internal/processors/hadoop/igfs/HadoopFIleSystemFactorySelfTest.java
+++ /dev/null
@@ -1,345 +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.internal.processors.hadoop.igfs;
-
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.Path;
-import org.apache.ignite.IgniteException;
-import org.apache.ignite.cache.CacheWriteSynchronizationMode;
-import org.apache.ignite.configuration.CacheConfiguration;
-import org.apache.ignite.configuration.FileSystemConfiguration;
-import org.apache.ignite.configuration.IgniteConfiguration;
-import org.apache.ignite.hadoop.fs.CachingHadoopFileSystemFactory;
-import org.apache.ignite.hadoop.fs.HadoopFileSystemFactory;
-import org.apache.ignite.hadoop.fs.IgniteHadoopIgfsSecondaryFileSystem;
-import org.apache.ignite.hadoop.fs.v1.IgniteHadoopFileSystem;
-import org.apache.ignite.igfs.IgfsGroupDataBlocksKeyMapper;
-import org.apache.ignite.igfs.IgfsIpcEndpointConfiguration;
-import org.apache.ignite.igfs.IgfsIpcEndpointType;
-import org.apache.ignite.igfs.IgfsMode;
-import org.apache.ignite.igfs.IgfsPath;
-import org.apache.ignite.igfs.secondary.IgfsSecondaryFileSystem;
-import 
org.apache.ignite.internal.processors.hadoop.common.delegate.HadoopDelegateUtils;
-import 
org.apache.ignite.internal.processors.hadoop.common.delegate.HadoopFileSystemFactoryDelegate;
-import org.apache.ignite.internal.processors.igfs.IgfsCommonAbstractTest;
-import org.apache.ignite.internal.processors.igfs.IgfsEx;
-import org.apache.ignite.internal.util.typedef.G;
-import org.apache.ignite.internal.util.typedef.internal.U;
-import org.apache.ignite.lifecycle.LifecycleAware;
-import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
-import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder;
-import org.jetbrains.annotations.Nullable;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.net.URI;
-import java.util.concurrent.atomic.AtomicInteger;
-
-import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL;
-import static org.apache.ignite.cache.CacheMode.PARTITIONED;
-import static org.apache.ignite.cache.CacheMode.REPLICATED;
-
-/**
- * Tests for Hadoop file system factory.
- */
-public class HadoopFIleSystemFactorySelfTest extends IgfsCommonAbstractTest {
-    /** Amount of "start" invocations */
-    private static final AtomicInteger START_CNT = new AtomicInteger();
-
-    /** Amount of "stop" invocations */
-    private static final AtomicInteger STOP_CNT = new AtomicInteger();
-
-    /** Path to secondary file system configuration. */
-    private static final String SECONDARY_CFG_PATH = 
"/work/core-site-HadoopFIleSystemFactorySelfTest.xml";
-
-    /** IGFS path for DUAL mode. */
-    private static final Path PATH_DUAL = new Path("/ignite/sync/test_dir");
-
-    /** IGFS path for PROXY mode. */
-    private static final Path PATH_PROXY = new Path("/ignite/proxy/test_dir");
-
-    /** IGFS path for DUAL mode. */
-    private static final IgfsPath IGFS_PATH_DUAL = new 
IgfsPath("/ignite/sync/test_dir");
-
-    /** IGFS path for PROXY mode. */
-    private static final IgfsPath IGFS_PATH_PROXY = new 
IgfsPath("/ignite/proxy/test_dir");
-
-    /** Secondary IGFS. */
-    private IgfsEx secondary;
-
-    /** Primary IGFS. */
-    private IgfsEx primary;
-
-    /** {@inheritDoc} */
-    @Override protected void beforeTest() throws Exception {
-        super.beforeTest();
-
-        START_CNT.set(0);
-        STOP_CNT.set(0);
-
-        secondary = startSecondary();
-        primary = startPrimary();
-    }
-
-    /** {@inheritDoc} */
-    @Override protected void afterTest() throws Exception {
-        super.afterTest();
-
-        secondary = null;
-        primary = null;
-
-        stopAllGrids();
-    }
-
-    /**
-     * Test custom factory.
-     *
-     * @throws Exception If failed.
-     */
-    @SuppressWarnings("ThrowableResultOfMethodCallIgnored")
-    public void testCustomFactory() throws Exception {
-        assert START_CNT.get() == 1;
-        assert STOP_CNT.get() == 0;
-
-        // Use IGFS directly.
-        primary.mkdirs(IGFS_PATH_DUAL);
-
-        assert primary.exists(IGFS_PATH_DUAL);
-        assert secondary.exists(IGFS_PATH_DUAL);
-
-        // Create remote instance.
-        FileSystem fs = 
FileSystem.get(URI.create("igfs://primary:primary@127.0.0.1:10500/"), 
baseConfiguration());
-
-        // Ensure lifecycle callback was invoked.
-        assert START_CNT.get() == 2;
-        assert STOP_CNT.get() == 0;
-
-        // Check file system operations.
-        assert fs.exists(PATH_DUAL);
-
-        assert fs.delete(PATH_DUAL, true);
-        assert !primary.exists(IGFS_PATH_DUAL);
-        assert !secondary.exists(IGFS_PATH_DUAL);
-        assert !fs.exists(PATH_DUAL);
-
-        assert fs.mkdirs(PATH_DUAL);
-        assert primary.exists(IGFS_PATH_DUAL);
-        assert secondary.exists(IGFS_PATH_DUAL);
-        assert fs.exists(PATH_DUAL);
-
-        assert fs.mkdirs(PATH_PROXY);
-        assert secondary.exists(IGFS_PATH_PROXY);
-        assert fs.exists(PATH_PROXY);
-
-        // Close file system and ensure that associated factory was notified.
-        fs.close();
-
-        assert START_CNT.get() == 2;
-        assert STOP_CNT.get() == 1;
-
-        // Stop primary node and ensure that base factory was notified.
-        G.stop(primary.context().kernalContext().grid().name(), true);
-
-        assert START_CNT.get() == 2;
-        assert STOP_CNT.get() == 2;
-    }
-
-    /**
-     * Start secondary IGFS.
-     *
-     * @return IGFS.
-     * @throws Exception If failed.
-     */
-    private static IgfsEx startSecondary() throws Exception {
-        return start("secondary", 11500, IgfsMode.PRIMARY, null);
-    }
-
-    /**
-     * Start primary IGFS.
-     *
-     * @return IGFS.
-     * @throws Exception If failed.
-     */
-    private static IgfsEx startPrimary() throws Exception {
-        // Prepare configuration.
-        Configuration conf = baseConfiguration();
-
-        conf.set("fs.defaultFS", 
"igfs://secondary:secondary@127.0.0.1:11500/");
-
-        writeConfigurationToFile(conf);
-
-        // Get file system instance to be used.
-        CachingHadoopFileSystemFactory delegate = new 
CachingHadoopFileSystemFactory();
-
-        delegate.setUri("igfs://secondary:secondary@127.0.0.1:11500/");
-        delegate.setConfigPaths(SECONDARY_CFG_PATH);
-
-        // Configure factory.
-        TestFactory factory = new TestFactory(delegate);
-
-        // Configure file system.
-        IgniteHadoopIgfsSecondaryFileSystem secondaryFs = new 
IgniteHadoopIgfsSecondaryFileSystem();
-
-        secondaryFs.setFileSystemFactory(factory);
-
-        // Start.
-        return start("primary", 10500, IgfsMode.DUAL_ASYNC, secondaryFs);
-    }
-
-    /**
-     * Start Ignite node with IGFS instance.
-     *
-     * @param name Node and IGFS name.
-     * @param endpointPort Endpoint port.
-     * @param dfltMode Default path mode.
-     * @param secondaryFs Secondary file system.
-     * @return Igfs instance.
-     */
-    private static IgfsEx start(String name, int endpointPort, IgfsMode 
dfltMode,
-        @Nullable IgfsSecondaryFileSystem secondaryFs) {
-        IgfsIpcEndpointConfiguration endpointCfg = new 
IgfsIpcEndpointConfiguration();
-
-        endpointCfg.setType(IgfsIpcEndpointType.TCP);
-        endpointCfg.setHost("127.0.0.1");
-        endpointCfg.setPort(endpointPort);
-
-        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
-
-        igfsCfg.setDataCacheName("dataCache");
-        igfsCfg.setMetaCacheName("metaCache");
-        igfsCfg.setName(name);
-        igfsCfg.setDefaultMode(dfltMode);
-        igfsCfg.setIpcEndpointConfiguration(endpointCfg);
-        igfsCfg.setSecondaryFileSystem(secondaryFs);
-        igfsCfg.setInitializeDefaultPathModes(true);
-
-        CacheConfiguration dataCacheCfg = defaultCacheConfiguration();
-
-        dataCacheCfg.setName("dataCache");
-        dataCacheCfg.setCacheMode(PARTITIONED);
-        
dataCacheCfg.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
-        dataCacheCfg.setAffinityMapper(new IgfsGroupDataBlocksKeyMapper(2));
-        dataCacheCfg.setBackups(0);
-        dataCacheCfg.setAtomicityMode(TRANSACTIONAL);
-        dataCacheCfg.setOffHeapMaxMemory(0);
-
-        CacheConfiguration metaCacheCfg = defaultCacheConfiguration();
-
-        metaCacheCfg.setName("metaCache");
-        metaCacheCfg.setCacheMode(REPLICATED);
-        
metaCacheCfg.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
-        metaCacheCfg.setAtomicityMode(TRANSACTIONAL);
-
-        IgniteConfiguration cfg = new IgniteConfiguration();
-
-        cfg.setGridName(name);
-
-        TcpDiscoverySpi discoSpi = new TcpDiscoverySpi();
-
-        discoSpi.setIpFinder(new TcpDiscoveryVmIpFinder(true));
-
-        cfg.setDiscoverySpi(discoSpi);
-        cfg.setCacheConfiguration(dataCacheCfg, metaCacheCfg);
-        cfg.setFileSystemConfiguration(igfsCfg);
-
-        cfg.setLocalHost("127.0.0.1");
-        cfg.setConnectorConfiguration(null);
-
-        return (IgfsEx)G.start(cfg).fileSystem(name);
-    }
-
-    /**
-     * Create base FileSystem configuration.
-     *
-     * @return Configuration.
-     */
-    private static Configuration baseConfiguration() {
-        Configuration conf = new Configuration();
-
-        conf.set("fs.igfs.impl", IgniteHadoopFileSystem.class.getName());
-
-        return conf;
-    }
-
-    /**
-     * Write configuration to file.
-     *
-     * @param conf Configuration.
-     * @throws Exception If failed.
-     */
-    @SuppressWarnings("ResultOfMethodCallIgnored")
-    private static void writeConfigurationToFile(Configuration conf) throws 
Exception {
-        final String path = U.getIgniteHome() + SECONDARY_CFG_PATH;
-
-        File file = new File(path);
-
-        file.delete();
-
-        assertFalse(file.exists());
-
-        try (FileOutputStream fos = new FileOutputStream(file)) {
-            conf.writeXml(fos);
-        }
-
-        assertTrue(file.exists());
-    }
-
-    /**
-     * Test factory.
-     */
-    private static class TestFactory implements HadoopFileSystemFactory, 
LifecycleAware {
-        /** */
-        private static final long serialVersionUID = 0L;
-
-        /** File system factory. */
-        private CachingHadoopFileSystemFactory factory;
-
-        /** File system. */
-        private transient HadoopFileSystemFactoryDelegate delegate;
-
-        /**
-         * Constructor.
-         *
-         * @param factory File system factory.
-         */
-        public TestFactory(CachingHadoopFileSystemFactory factory) {
-            this.factory = factory;
-        }
-
-        /** {@inheritDoc} */
-        @Override public Object get(String usrName) throws IOException {
-            return delegate.get(usrName);
-        }
-
-        /** {@inheritDoc} */
-        @Override public void start() throws IgniteException {
-            delegate = HadoopDelegateUtils.fileSystemFactoryDelegate(factory);
-
-            delegate.start();
-
-            START_CNT.incrementAndGet();
-        }
-
-        /** {@inheritDoc} */
-        @Override public void stop() throws IgniteException {
-            STOP_CNT.incrementAndGet();
-        }
-    }
-}

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