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BackupUsageTest.java
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BackupUsageTest.java
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/*
* Copyright (c) 2002-2018 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.commandline.admin;
import org.junit.Rule;
import org.junit.Test;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.neo4j.backup.impl.BackupHelpOutput;
import org.neo4j.backup.impl.ParameterisedOutsideWorld;
import org.neo4j.io.fs.DefaultFileSystemAbstraction;
import org.neo4j.test.rule.SuppressOutput;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.not;
import static org.junit.Assert.assertThat;
public class BackupUsageTest
{
private static final Path HERE = Paths.get( "." );
@Rule
public SuppressOutput suppressOutput = SuppressOutput.suppressAll();
private final CommandLocator commandLocator = CommandLocator.fromServiceLocator();
@Test
public void outputMatchesExpectedForMissingBackupDir() throws UnsupportedEncodingException
{
// when
String output = runBackup();
// then
String reason = "Missing argument 'backup-dir'";
assertThat( output, containsString( reason ) );
// and
assertThat( output, containsString( BackupHelpOutput.BACKUP_OUTPUT ) );
}
@Test
public void missingBackupName() throws UnsupportedEncodingException
{
// when
String output = runBackup( "--backup-dir=target" );
// then
String reason = "Missing argument 'name'";
assertThat( output, containsString( reason ) );
// and
assertThat( output, containsString( BackupHelpOutput.BACKUP_OUTPUT ) );
}
@Test
public void incorrectBackupDirectory() throws IOException
{
// when
Path backupDirectoryResolved = HERE.toRealPath().resolve( "non_existing_dir" );
String output = runBackup( "--backup-dir=non_existing_dir", "--name=mybackup" );
// then
String reason = String.format( "command failed: Directory '%s' does not exist.\n", backupDirectoryResolved );
assertThat( output, containsString( reason ) );
assertThat( output, not( containsString( BackupHelpOutput.BACKUP_OUTPUT ) ) );
}
private String runBackup( String... args ) throws UnsupportedEncodingException
{
return runBackup( false, args );
}
private String runBackup( boolean debug, String... args ) throws UnsupportedEncodingException
{
ParameterisedOutsideWorld outsideWorld = // ParameterisedOutsideWorld used for suppressing #close() doing System.exit()
new ParameterisedOutsideWorld( System.console(), System.out, System.err, System.in, new DefaultFileSystemAbstraction() );
AdminTool subject = new AdminTool( commandLocator, cmd -> new ArrayList<>( ), outsideWorld, debug );
Path homeDir = HERE;
Path configDir = HERE;
List<String> params = new ArrayList();
params.add( "backup" );
params.addAll( Arrays.asList( args ) );
String[] argArray = params.toArray( new String[params.size()] );
subject.execute( homeDir, configDir, argArray );
return suppressOutput.getErrorVoice().toString() + suppressOutput.getOutputVoice().toString();
}
}