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/**
* 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.hadoop.tools;
import static org.apache.hadoop.test.GenericTestUtils.assertExceptionContains;
import static org.junit.Assert.fail;
import org.junit.Assert;
import org.junit.Test;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.test.GenericTestUtils;
import org.apache.hadoop.tools.DistCpOptions.*;
import org.apache.hadoop.conf.Configuration;
import java.util.NoSuchElementException;
public class TestOptionsParser {
private static final float DELTA = 0.001f;
@Test
public void testParseIgnoreFailure() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertFalse(options.shouldIgnoreFailures());
options = OptionsParser.parse(new String[] {
"-i",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldIgnoreFailures());
}
@Test
public void testParseOverwrite() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertFalse(options.shouldOverwrite());
options = OptionsParser.parse(new String[] {
"-overwrite",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldOverwrite());
try {
OptionsParser.parse(new String[] {
"-update",
"-overwrite",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.fail("Update and overwrite aren't allowed together");
} catch (IllegalArgumentException ignore) {
}
}
@Test
public void testLogPath() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertNull(options.getLogPath());
options = OptionsParser.parse(new String[] {
"-log",
"hdfs://localhost:8020/logs",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(options.getLogPath(), new Path("hdfs://localhost:8020/logs"));
}
@Test
public void testParseBlokcing() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldBlock());
options = OptionsParser.parse(new String[] {
"-async",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertFalse(options.shouldBlock());
}
@Test
public void testParsebandwidth() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(options.getMapBandwidth(), 0, DELTA);
options = OptionsParser.parse(new String[] {
"-bandwidth",
"11.2",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(options.getMapBandwidth(), 11.2, DELTA);
}
@Test(expected=IllegalArgumentException.class)
public void testParseNonPositiveBandwidth() {
OptionsParser.parse(new String[] {
"-bandwidth",
"-11",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
}
@Test(expected=IllegalArgumentException.class)
public void testParseZeroBandwidth() {
OptionsParser.parse(new String[] {
"-bandwidth",
"0",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
}
@Test
public void testParseSkipCRC() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertFalse(options.shouldSkipCRC());
options = OptionsParser.parse(new String[] {
"-update",
"-skipcrccheck",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldSyncFolder());
Assert.assertTrue(options.shouldSkipCRC());
}
@Test
public void testParseAtomicCommit() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertFalse(options.shouldAtomicCommit());
options = OptionsParser.parse(new String[] {
"-atomic",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldAtomicCommit());
try {
OptionsParser.parse(new String[] {
"-atomic",
"-update",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.fail("Atomic and sync folders were allowed");
} catch (IllegalArgumentException ignore) { }
}
@Test
public void testParseWorkPath() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertNull(options.getAtomicWorkPath());
options = OptionsParser.parse(new String[] {
"-atomic",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertNull(options.getAtomicWorkPath());
options = OptionsParser.parse(new String[] {
"-atomic",
"-tmp",
"hdfs://localhost:8020/work",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(options.getAtomicWorkPath(), new Path("hdfs://localhost:8020/work"));
try {
OptionsParser.parse(new String[] {
"-tmp",
"hdfs://localhost:8020/work",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.fail("work path was allowed without -atomic switch");
} catch (IllegalArgumentException ignore) {}
}
@Test
public void testParseSyncFolders() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertFalse(options.shouldSyncFolder());
options = OptionsParser.parse(new String[] {
"-update",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldSyncFolder());
}
@Test
public void testParseDeleteMissing() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertFalse(options.shouldDeleteMissing());
options = OptionsParser.parse(new String[] {
"-update",
"-delete",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldSyncFolder());
Assert.assertTrue(options.shouldDeleteMissing());
options = OptionsParser.parse(new String[] {
"-overwrite",
"-delete",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldOverwrite());
Assert.assertTrue(options.shouldDeleteMissing());
try {
OptionsParser.parse(new String[] {
"-atomic",
"-delete",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.fail("Atomic and delete folders were allowed");
} catch (IllegalArgumentException ignore) { }
}
@Test
public void testParseMaps() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(options.getMaxMaps(), DistCpConstants.DEFAULT_MAPS);
options = OptionsParser.parse(new String[] {
"-m",
"1",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(options.getMaxMaps(), 1);
options = OptionsParser.parse(new String[] {
"-m",
"0",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(options.getMaxMaps(), 1);
try {
OptionsParser.parse(new String[] {
"-m",
"hello",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.fail("Non numberic map parsed");
} catch (IllegalArgumentException ignore) { }
try {
OptionsParser.parse(new String[] {
"-mapredXslConf",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.fail("Non numberic map parsed");
} catch (IllegalArgumentException ignore) { }
}
@Test
public void testParseNumListstatusThreads() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
// If command line argument isn't set, we expect .getNumListstatusThreads
// option to be zero (so that we know when to override conf properties).
Assert.assertEquals(0, options.getNumListstatusThreads());
options = OptionsParser.parse(new String[] {
"--numListstatusThreads",
"12",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(12, options.getNumListstatusThreads());
options = OptionsParser.parse(new String[] {
"--numListstatusThreads",
"0",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(0, options.getNumListstatusThreads());
try {
OptionsParser.parse(new String[] {
"--numListstatusThreads",
"hello",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.fail("Non numberic numListstatusThreads parsed");
} catch (IllegalArgumentException ignore) { }
// Ignore large number of threads.
options = OptionsParser.parse(new String[] {
"--numListstatusThreads",
"100",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(DistCpOptions.MAX_NUM_LISTSTATUS_THREADS,
options.getNumListstatusThreads());
}
@Test
public void testSourceListing() {
DistCpOptions options = OptionsParser.parse(new String[] {
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(options.getSourceFileListing(),
new Path("hdfs://localhost:8020/source/first"));
}
@Test
public void testSourceListingAndSourcePath() {
try {
OptionsParser.parse(new String[] {
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.fail("Both source listing & source paths allowed");
} catch (IllegalArgumentException ignore) {}
}
@Test
public void testMissingSourceInfo() {
try {
OptionsParser.parse(new String[] {
"hdfs://localhost:8020/target/"});
Assert.fail("Neither source listing not source paths present");
} catch (IllegalArgumentException ignore) {}
}
@Test
public void testMissingTarget() {
try {
OptionsParser.parse(new String[] {
"-f", "hdfs://localhost:8020/source"});
Assert.fail("Missing target allowed");
} catch (IllegalArgumentException ignore) {}
}
@Test
public void testInvalidArgs() {
try {
OptionsParser.parse(new String[] {
"-m", "-f", "hdfs://localhost:8020/source"});
Assert.fail("Missing map value");
} catch (IllegalArgumentException ignore) {}
}
@Test
public void testCopyStrategy() {
DistCpOptions options = OptionsParser.parse(new String[] {
"-strategy",
"dynamic",
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(options.getCopyStrategy(), "dynamic");
options = OptionsParser.parse(new String[] {
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(options.getCopyStrategy(), DistCpConstants.UNIFORMSIZE);
}
@Test
public void testTargetPath() {
DistCpOptions options = OptionsParser.parse(new String[] {
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(options.getTargetPath(), new Path("hdfs://localhost:8020/target/"));
}
@Test
public void testPreserve() {
DistCpOptions options = OptionsParser.parse(new String[] {
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertFalse(options.shouldPreserve(FileAttribute.BLOCKSIZE));
Assert.assertFalse(options.shouldPreserve(FileAttribute.REPLICATION));
Assert.assertFalse(options.shouldPreserve(FileAttribute.PERMISSION));
Assert.assertFalse(options.shouldPreserve(FileAttribute.USER));
Assert.assertFalse(options.shouldPreserve(FileAttribute.GROUP));
Assert.assertFalse(options.shouldPreserve(FileAttribute.CHECKSUMTYPE));
options = OptionsParser.parse(new String[] {
"-p",
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldPreserve(FileAttribute.BLOCKSIZE));
Assert.assertTrue(options.shouldPreserve(FileAttribute.REPLICATION));
Assert.assertTrue(options.shouldPreserve(FileAttribute.PERMISSION));
Assert.assertTrue(options.shouldPreserve(FileAttribute.USER));
Assert.assertTrue(options.shouldPreserve(FileAttribute.GROUP));
Assert.assertTrue(options.shouldPreserve(FileAttribute.CHECKSUMTYPE));
Assert.assertFalse(options.shouldPreserve(FileAttribute.ACL));
Assert.assertFalse(options.shouldPreserve(FileAttribute.XATTR));
options = OptionsParser.parse(new String[] {
"-p",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldPreserve(FileAttribute.BLOCKSIZE));
Assert.assertTrue(options.shouldPreserve(FileAttribute.REPLICATION));
Assert.assertTrue(options.shouldPreserve(FileAttribute.PERMISSION));
Assert.assertTrue(options.shouldPreserve(FileAttribute.USER));
Assert.assertTrue(options.shouldPreserve(FileAttribute.GROUP));
Assert.assertTrue(options.shouldPreserve(FileAttribute.CHECKSUMTYPE));
Assert.assertFalse(options.shouldPreserve(FileAttribute.ACL));
Assert.assertFalse(options.shouldPreserve(FileAttribute.XATTR));
options = OptionsParser.parse(new String[] {
"-pbr",
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldPreserve(FileAttribute.BLOCKSIZE));
Assert.assertTrue(options.shouldPreserve(FileAttribute.REPLICATION));
Assert.assertFalse(options.shouldPreserve(FileAttribute.PERMISSION));
Assert.assertFalse(options.shouldPreserve(FileAttribute.USER));
Assert.assertFalse(options.shouldPreserve(FileAttribute.GROUP));
Assert.assertFalse(options.shouldPreserve(FileAttribute.CHECKSUMTYPE));
Assert.assertFalse(options.shouldPreserve(FileAttribute.ACL));
Assert.assertFalse(options.shouldPreserve(FileAttribute.XATTR));
options = OptionsParser.parse(new String[] {
"-pbrgup",
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldPreserve(FileAttribute.BLOCKSIZE));
Assert.assertTrue(options.shouldPreserve(FileAttribute.REPLICATION));
Assert.assertTrue(options.shouldPreserve(FileAttribute.PERMISSION));
Assert.assertTrue(options.shouldPreserve(FileAttribute.USER));
Assert.assertTrue(options.shouldPreserve(FileAttribute.GROUP));
Assert.assertFalse(options.shouldPreserve(FileAttribute.CHECKSUMTYPE));
Assert.assertFalse(options.shouldPreserve(FileAttribute.ACL));
Assert.assertFalse(options.shouldPreserve(FileAttribute.XATTR));
options = OptionsParser.parse(new String[] {
"-pbrgupcaxt",
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertTrue(options.shouldPreserve(FileAttribute.BLOCKSIZE));
Assert.assertTrue(options.shouldPreserve(FileAttribute.REPLICATION));
Assert.assertTrue(options.shouldPreserve(FileAttribute.PERMISSION));
Assert.assertTrue(options.shouldPreserve(FileAttribute.USER));
Assert.assertTrue(options.shouldPreserve(FileAttribute.GROUP));
Assert.assertTrue(options.shouldPreserve(FileAttribute.CHECKSUMTYPE));
Assert.assertTrue(options.shouldPreserve(FileAttribute.ACL));
Assert.assertTrue(options.shouldPreserve(FileAttribute.XATTR));
Assert.assertTrue(options.shouldPreserve(FileAttribute.TIMES));
options = OptionsParser.parse(new String[] {
"-pc",
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertFalse(options.shouldPreserve(FileAttribute.BLOCKSIZE));
Assert.assertFalse(options.shouldPreserve(FileAttribute.REPLICATION));
Assert.assertFalse(options.shouldPreserve(FileAttribute.PERMISSION));
Assert.assertFalse(options.shouldPreserve(FileAttribute.USER));
Assert.assertFalse(options.shouldPreserve(FileAttribute.GROUP));
Assert.assertTrue(options.shouldPreserve(FileAttribute.CHECKSUMTYPE));
Assert.assertFalse(options.shouldPreserve(FileAttribute.ACL));
Assert.assertFalse(options.shouldPreserve(FileAttribute.XATTR));
options = OptionsParser.parse(new String[] {
"-p",
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(DistCpOptionSwitch.PRESERVE_STATUS_DEFAULT.length() - 2,
options.getPreserveAttributes().size());
try {
OptionsParser.parse(new String[] {
"-pabcd",
"-f",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target"});
Assert.fail("Invalid preserve attribute");
}
catch (NoSuchElementException ignore) {}
Builder builder = new DistCpOptions.Builder(
new Path("hdfs://localhost:8020/source/first"),
new Path("hdfs://localhost:8020/target/"));
Assert.assertFalse(
builder.build().shouldPreserve(FileAttribute.PERMISSION));
builder.preserve(FileAttribute.PERMISSION);
Assert.assertTrue(builder.build().shouldPreserve(FileAttribute.PERMISSION));
builder.preserve(FileAttribute.PERMISSION);
Assert.assertTrue(builder.build().shouldPreserve(FileAttribute.PERMISSION));
}
@Test
public void testOptionsSwitchAddToConf() {
Configuration conf = new Configuration();
Assert.assertNull(conf.get(DistCpOptionSwitch.ATOMIC_COMMIT.getConfigLabel()));
DistCpOptionSwitch.addToConf(conf, DistCpOptionSwitch.ATOMIC_COMMIT);
Assert.assertTrue(conf.getBoolean(DistCpOptionSwitch.ATOMIC_COMMIT.getConfigLabel(), false));
}
@Test
public void testOptionsAppendToConf() {
Configuration conf = new Configuration();
Assert.assertFalse(conf.getBoolean(DistCpOptionSwitch.IGNORE_FAILURES.getConfigLabel(), false));
Assert.assertFalse(conf.getBoolean(DistCpOptionSwitch.ATOMIC_COMMIT.getConfigLabel(), false));
Assert.assertEquals(
conf.getRaw(DistCpOptionSwitch.BANDWIDTH.getConfigLabel()), null);
DistCpOptions options = OptionsParser.parse(new String[] {
"-atomic",
"-i",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
options.appendToConf(conf);
Assert.assertTrue(conf.getBoolean(DistCpOptionSwitch.IGNORE_FAILURES.getConfigLabel(), false));
Assert.assertTrue(conf.getBoolean(DistCpOptionSwitch.ATOMIC_COMMIT.getConfigLabel(), false));
Assert.assertEquals(conf.getFloat(DistCpOptionSwitch.BANDWIDTH.getConfigLabel(), -1),
-1.0, DELTA);
conf = new Configuration();
Assert.assertFalse(conf.getBoolean(DistCpOptionSwitch.SYNC_FOLDERS.getConfigLabel(), false));
Assert.assertFalse(conf.getBoolean(DistCpOptionSwitch.DELETE_MISSING.getConfigLabel(), false));
Assert.assertEquals(conf.get(DistCpOptionSwitch.PRESERVE_STATUS.getConfigLabel()), null);
options = OptionsParser.parse(new String[] {
"-update",
"-delete",
"-pu",
"-bandwidth",
"11.2",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
options.appendToConf(conf);
Assert.assertTrue(conf.getBoolean(DistCpOptionSwitch.SYNC_FOLDERS.getConfigLabel(), false));
Assert.assertTrue(conf.getBoolean(DistCpOptionSwitch.DELETE_MISSING.getConfigLabel(), false));
Assert.assertEquals(conf.get(DistCpOptionSwitch.PRESERVE_STATUS.getConfigLabel()), "U");
Assert.assertEquals(conf.getFloat(DistCpOptionSwitch.BANDWIDTH.getConfigLabel(), -1), 11.2, DELTA);
}
@Test
public void testOptionsAppendToConfDoesntOverwriteBandwidth() {
Configuration conf = new Configuration();
Assert.assertEquals(
conf.getRaw(DistCpOptionSwitch.BANDWIDTH.getConfigLabel()), null);
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
options.appendToConf(conf);
Assert.assertEquals(
conf.getFloat(DistCpOptionSwitch.BANDWIDTH.getConfigLabel(), -1), -1.0,
DELTA);
conf = new Configuration();
Assert.assertEquals(
conf.getRaw(DistCpOptionSwitch.BANDWIDTH.getConfigLabel()), null);
options = OptionsParser.parse(new String[] {
"-update",
"-delete",
"-pu",
"-bandwidth",
"77",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
options.appendToConf(conf);
Assert.assertEquals(
conf.getFloat(DistCpOptionSwitch.BANDWIDTH.getConfigLabel(), -1), 77.0,
DELTA);
conf = new Configuration();
conf.set(DistCpOptionSwitch.BANDWIDTH.getConfigLabel(), "88");
Assert.assertEquals(
conf.getRaw(DistCpOptionSwitch.BANDWIDTH.getConfigLabel()), "88");
options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
options.appendToConf(conf);
Assert.assertEquals(
conf.getFloat(DistCpOptionSwitch.BANDWIDTH.getConfigLabel(), -1), 88.0,
DELTA);
conf = new Configuration();
conf.set(DistCpOptionSwitch.BANDWIDTH.getConfigLabel(), "88.0");
Assert.assertEquals(
conf.getRaw(DistCpOptionSwitch.BANDWIDTH.getConfigLabel()), "88.0");
options = OptionsParser.parse(new String[] {
"-bandwidth",
"99",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
options.appendToConf(conf);
Assert.assertEquals(
conf.getFloat(DistCpOptionSwitch.BANDWIDTH.getConfigLabel(), -1), 99.0,
DELTA);
}
@Test
public void testAppendOption() {
Configuration conf = new Configuration();
Assert.assertFalse(conf.getBoolean(
DistCpOptionSwitch.APPEND.getConfigLabel(), false));
Assert.assertFalse(conf.getBoolean(
DistCpOptionSwitch.SYNC_FOLDERS.getConfigLabel(), false));
DistCpOptions options = OptionsParser.parse(new String[] { "-update",
"-append", "hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/" });
options.appendToConf(conf);
Assert.assertTrue(conf.getBoolean(
DistCpOptionSwitch.APPEND.getConfigLabel(), false));
Assert.assertTrue(conf.getBoolean(
DistCpOptionSwitch.SYNC_FOLDERS.getConfigLabel(), false));
// make sure -append is only valid when -update is specified
try {
OptionsParser.parse(new String[] { "-append",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/" });
fail("Append should fail if update option is not specified");
} catch (IllegalArgumentException e) {
GenericTestUtils.assertExceptionContains(
"Append is valid only with update options", e);
}
// make sure -append is invalid when skipCrc is specified
try {
OptionsParser.parse(new String[] {
"-append", "-update", "-skipcrccheck",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/" });
fail("Append should fail if skipCrc option is specified");
} catch (IllegalArgumentException e) {
GenericTestUtils.assertExceptionContains(
"Append is disallowed when skipping CRC", e);
}
}
// Test -diff or -rdiff
private void testSnapshotDiffOption(boolean isDiff) {
final String optionStr = isDiff? "-diff" : "-rdiff";
final String optionLabel = isDiff?
DistCpOptionSwitch.DIFF.getConfigLabel() :
DistCpOptionSwitch.RDIFF.getConfigLabel();
Configuration conf = new Configuration();
Assert.assertFalse(conf.getBoolean(optionLabel, false));
DistCpOptions options = OptionsParser.parse(new String[] { "-update",
optionStr, "s1", "s2",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/" });
options.appendToConf(conf);
Assert.assertTrue(conf.getBoolean(optionLabel, false));
Assert.assertTrue(isDiff?
options.shouldUseDiff() : options.shouldUseRdiff());
Assert.assertEquals("s1", options.getFromSnapshot());
Assert.assertEquals("s2", options.getToSnapshot());
options = OptionsParser.parse(new String[] {
optionStr, "s1", ".", "-update",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/" });
options.appendToConf(conf);
Assert.assertTrue(conf.getBoolean(optionLabel, false));
Assert.assertTrue(isDiff?
options.shouldUseDiff() : options.shouldUseRdiff());
Assert.assertEquals("s1", options.getFromSnapshot());
Assert.assertEquals(".", options.getToSnapshot());
// -diff/-rdiff requires two option values
try {
OptionsParser.parse(new String[] {optionStr, "s1", "-update",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/" });
fail(optionStr + " should fail with only one snapshot name");
} catch (IllegalArgumentException e) {
GenericTestUtils.assertExceptionContains(
"Must provide both the starting and ending snapshot names", e);
}
// make sure -diff/-rdiff is only valid when -update is specified
try {
OptionsParser.parse(new String[] {optionStr, "s1", "s2",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/" });
fail(optionStr + " should fail if -update option is not specified");
} catch (IllegalArgumentException e) {
GenericTestUtils.assertExceptionContains(
"-diff/-rdiff is valid only with -update option", e);
}
try {
OptionsParser.parse(new String[] {
"-diff", "s1", "s2", "-update", "-delete",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/" });
fail("Should fail as -delete and -diff/-rdiff are mutually exclusive");
} catch (IllegalArgumentException e) {
assertExceptionContains(
"-delete and -diff/-rdiff are mutually exclusive", e);
}
try {
OptionsParser.parse(new String[] {
"-diff", "s1", "s2", "-delete",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/" });
fail("Should fail as -delete and -diff/-rdiff are mutually exclusive");
} catch (IllegalArgumentException e) {
assertExceptionContains(
"-delete and -diff/-rdiff are mutually exclusive", e);
}
try {
OptionsParser.parse(new String[] {optionStr, "s1", "s2",
"-delete", "-overwrite",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/" });
fail("Should fail as -delete and -diff are mutually exclusive");
} catch (IllegalArgumentException e) {
assertExceptionContains(
"-delete and -diff/-rdiff are mutually exclusive", e);
}
final String optionStrOther = isDiff? "-rdiff" : "-diff";
try {
OptionsParser.parse(new String[] {
optionStr, "s1", "s2",
optionStrOther, "s2", "s1",
"-update",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/" });
fail(optionStr + " should fail if " + optionStrOther
+ " is also specified");
} catch (IllegalArgumentException e) {
GenericTestUtils.assertExceptionContains(
"-diff and -rdiff are mutually exclusive", e);
}
}
@Test
public void testDiffOption() {
testSnapshotDiffOption(true);
}
@Test
public void testRdiffOption() {
testSnapshotDiffOption(false);
}
@Test
public void testExclusionsOption() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertNull(options.getFiltersFile());
options = OptionsParser.parse(new String[] {
"-filters",
"/tmp/filters.txt",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertEquals(options.getFiltersFile(), "/tmp/filters.txt");
}
}