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BuiltInProceduresIT.java
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BuiltInProceduresIT.java
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/*
* Copyright (c) 2002-2016 "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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.impl.api.integrationtest;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.neo4j.collection.RawIterator;
import org.neo4j.kernel.api.DataWriteOperations;
import org.neo4j.kernel.api.exceptions.ProcedureException;
import org.neo4j.kernel.api.security.AccessMode.Static;
import static java.util.Collections.singletonList;
import static junit.framework.TestCase.fail;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.containsInAnyOrder;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.neo4j.helpers.collection.Iterators.asList;
import static org.neo4j.kernel.api.proc.ProcedureSignature.procedureName;
public class BuiltInProceduresIT extends KernelIntegrationTest
{
@Rule
public ExpectedException exception = ExpectedException.none();
@Test
public void listAllLabels() throws Throwable
{
// Given
DataWriteOperations ops = dataWriteOperationsInNewTransaction();
long nodeId = ops.nodeCreate();
int labelId = ops.labelGetOrCreateForName( "MyLabel" );
ops.nodeAddLabel( nodeId, labelId );
commit();
// When
RawIterator<Object[], ProcedureException> stream =
readOperationsInNewTransaction().procedureCallRead( procedureName( "db", "labels" ), new Object[0] );
// Then
assertThat( asList( stream ), contains( equalTo( new Object[]{"MyLabel"} ) ) );
}
@Test
public void listPropertyKeys() throws Throwable
{
// Given
DataWriteOperations ops = dataWriteOperationsInNewTransaction();
ops.propertyKeyGetOrCreateForName( "MyProp" );
commit();
// When
RawIterator<Object[], ProcedureException> stream = readOperationsInNewTransaction()
.procedureCallRead( procedureName( "db", "propertyKeys" ), new Object[0] );
// Then
assertThat( asList( stream ), contains( equalTo( new Object[]{"MyProp"} ) ) );
}
@Test
public void listRelationshipTypes() throws Throwable
{
// Given
DataWriteOperations ops = dataWriteOperationsInNewTransaction();
int relType = ops.relationshipTypeGetOrCreateForName( "MyRelType" );
ops.relationshipCreate( relType, ops.nodeCreate(), ops.nodeCreate() );
commit();
// When
RawIterator<Object[], ProcedureException> stream = readOperationsInNewTransaction()
.procedureCallRead( procedureName( "db", "relationshipTypes" ), new Object[0] );
// Then
assertThat( asList( stream ), contains( equalTo( new Object[]{"MyRelType"} ) ) );
}
@Test
public void listProcedures() throws Throwable
{
// When
RawIterator<Object[], ProcedureException> stream = readOperationsInNewTransaction()
.procedureCallRead( procedureName( "dbms", "procedures" ), new Object[0] );
// Then
assertThat( asList( stream ), containsInAnyOrder(
equalTo( new Object[]{"db.constraints", "db.constraints() :: (description :: STRING?)"} ),
equalTo( new Object[]{"db.indexes", "db.indexes() :: (description :: STRING?, state :: STRING?)"} ),
equalTo( new Object[]{"db.awaitIndex", "db.awaitIndex(label :: STRING?, property :: STRING?) :: VOID"} ),
equalTo( new Object[]{"db.propertyKeys", "db.propertyKeys() :: (propertyKey :: STRING?)"} ),
equalTo( new Object[]{"db.labels", "db.labels() :: (label :: STRING?)"} ),
equalTo( new Object[]{"db.relationshipTypes", "db.relationshipTypes() :: (relationshipType :: " +
"STRING?)"} ),
equalTo( new Object[]{"dbms.procedures", "dbms.procedures() :: (name :: STRING?, signature :: " +
"STRING?)"} ),
equalTo( new Object[]{"dbms.components", "dbms.components() :: (name :: STRING?, versions :: LIST? OF" +
" STRING?, edition :: STRING?)"} ),
equalTo( new Object[]{"dbms.queryJmx", "dbms.queryJmx(query :: STRING?) :: (name :: STRING?, " +
"description :: STRING?, attributes :: MAP?)"} )
) );
}
@Test
public void failWhenCallingNonExistingProcedures() throws Throwable
{
try
{
// When
dbmsOperations( Static.NONE ).procedureCallDbms( procedureName( "dbms", "iDoNotExist" ), new Object[0] );
fail( "This should never get here" );
}
catch ( Exception e )
{
// Then
assertThat( e.getClass(), equalTo( ProcedureException.class ) );
}
}
@Test
public void listAllComponents() throws Throwable
{
// Given a running database
// When
RawIterator<Object[], ProcedureException> stream = readOperationsInNewTransaction()
.procedureCallRead( procedureName( "dbms", "components" ), new Object[0] );
// Then
assertThat( asList( stream ), contains( equalTo( new Object[]{"Neo4j Kernel", singletonList( "dev" ),
"community"} ) ) );
}
}