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StorePropertyPayloadCursorTest.java
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StorePropertyPayloadCursorTest.java
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/*
* Copyright (c) 2002-2017 "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.store;
import org.apache.commons.lang3.RandomStringUtils;
import org.junit.Test;
import org.junit.experimental.runners.Enclosed;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import java.io.IOException;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.function.IntPredicate;
import org.neo4j.helpers.Strings;
import org.neo4j.helpers.collection.Iterables;
import org.neo4j.helpers.collection.Iterators;
import org.neo4j.io.pagecache.PageCursor;
import org.neo4j.kernel.impl.store.AbstractDynamicStore;
import org.neo4j.kernel.impl.store.DynamicArrayStore;
import org.neo4j.kernel.impl.store.DynamicRecordAllocator;
import org.neo4j.kernel.impl.store.DynamicStringStore;
import org.neo4j.kernel.impl.store.PropertyStore;
import org.neo4j.kernel.impl.store.PropertyType;
import org.neo4j.kernel.impl.store.StandaloneDynamicRecordAllocator;
import org.neo4j.kernel.impl.store.record.DynamicRecord;
import org.neo4j.kernel.impl.store.record.PropertyBlock;
import org.neo4j.kernel.impl.store.record.RecordLoad;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyLong;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.neo4j.function.Predicates.ALWAYS_TRUE_INT;
import static org.neo4j.kernel.impl.api.store.StorePropertyPayloadCursorTest.Param.paramArg;
import static org.neo4j.kernel.impl.api.store.StorePropertyPayloadCursorTest.Params.params;
import static org.neo4j.kernel.impl.store.PropertyType.ARRAY;
import static org.neo4j.kernel.impl.store.PropertyType.BOOL;
import static org.neo4j.kernel.impl.store.PropertyType.BYTE;
import static org.neo4j.kernel.impl.store.PropertyType.CHAR;
import static org.neo4j.kernel.impl.store.PropertyType.DOUBLE;
import static org.neo4j.kernel.impl.store.PropertyType.FLOAT;
import static org.neo4j.kernel.impl.store.PropertyType.INT;
import static org.neo4j.kernel.impl.store.PropertyType.LONG;
import static org.neo4j.kernel.impl.store.PropertyType.SHORT;
import static org.neo4j.kernel.impl.store.PropertyType.SHORT_ARRAY;
import static org.neo4j.kernel.impl.store.PropertyType.SHORT_STRING;
import static org.neo4j.kernel.impl.store.PropertyType.STRING;
import static org.neo4j.test.assertion.Assert.assertObjectOrArrayEquals;
@RunWith( Enclosed.class )
public class StorePropertyPayloadCursorTest
{
public static class BasicContract
{
@Test
public void nextShouldAlwaysReturnFalseWhenNotInitialized()
{
@SuppressWarnings( "unchecked" )
StorePropertyPayloadCursor cursor =
new StorePropertyPayloadCursor( mock( DynamicStringStore.class ), mock( DynamicArrayStore.class ) );
assertFalse( cursor.next() );
// Should still be true the Nth time
assertFalse( cursor.next() );
}
@Test
public void nextShouldAlwaysReturnFalseWhenClosed()
{
StorePropertyPayloadCursor cursor = allProperties( params( paramArg( 42, "cat-dog", STRING ) ) );
assertTrue( cursor.next() );
cursor.close();
// Should still be true the Nth time
assertFalse( cursor.next() );
assertFalse( cursor.next() );
}
@Test
public void shouldBeOkToCloseAnUnusedCursor()
{
// Given
StorePropertyPayloadCursor cursor = allProperties( params( paramArg( 42, "cat-dog", STRING ) ) );
// When
cursor.close();
// Then
// close() on an unused cursor works just fine
}
@Test
public void shouldBeOkToClosePartiallyExhaustedCursor()
{
// Given
StorePropertyPayloadCursor cursor =
allProperties( params( paramArg( 42, 1, INT ), paramArg( 55, 2, INT ),
paramArg( 73, 3L, LONG ) ) );
assertTrue( cursor.next() );
assertTrue( cursor.next() );
// When
cursor.close();
// Then
// close() on an used cursor works just fine
}
@Test
public void shouldBeOkToCloseExhaustedCursor()
{
// Given
StorePropertyPayloadCursor cursor =
allProperties( params(paramArg( 42, 1, INT ), paramArg( 55, 2, INT ),
paramArg( 73, 3L, INT ) ) );
assertTrue( cursor.next() );
assertTrue( cursor.next() );
assertTrue( cursor.next() );
// When
cursor.close();
// Then
// close() on an exhausted cursor works just fine
}
@Test
public void shouldBePossibleToCallCloseOnEmptyCursor()
{
// Given
StorePropertyPayloadCursor cursor = allProperties( params() );
// When
cursor.close();
// Then
// close() on an empty cursor works just fine
}
@Test
public void shouldBePossibleToCallNextOnEmptyCursor()
{
// Given
StorePropertyPayloadCursor cursor = allProperties( params() );
// When
assertFalse( cursor.next() );
// Then
// next() on an empty cursor works just fine
}
@Test
public void shouldUseDynamicStringAndArrayStoresThroughDifferentCursors() throws Throwable
{
// Given
DynamicStringStore dynamicStringStore = newDynamicStoreMock( DynamicStringStore.class );
DynamicArrayStore dynamicArrayStore = newDynamicStoreMock( DynamicArrayStore.class );
Param[] params = {paramArg( 42, RandomStringUtils.randomAlphanumeric( 5000 ), STRING ),
paramArg( 55, RandomStringUtils.randomAlphanumeric( 10000 ).getBytes(), ARRAY )};
StorePropertyPayloadCursor cursor =
createCursor( ALWAYS_TRUE_INT, dynamicStringStore, dynamicArrayStore, params );
// When
assertTrue( cursor.next() );
assertNotNull( cursor.value() );
assertTrue( cursor.next() );
assertNotNull( cursor.value() );
assertFalse( cursor.next() );
// Then
verify( dynamicStringStore ).newPageCursor();
verify( dynamicArrayStore ).newPageCursor();
}
@Test
public void nextMultipleInvocations()
{
StorePropertyPayloadCursor cursor = allProperties( params() );
assertFalse( cursor.next() );
assertFalse( cursor.next() );
assertFalse( cursor.next() );
assertFalse( cursor.next() );
}
@Test
public void shouldClosePageCursorWhenDisposed()
{
// given
DynamicStringStore stringStore = mock( DynamicStringStore.class );
PageCursor stringCursor = mock( PageCursor.class );
when( stringStore.newPageCursor() ).thenReturn( stringCursor );
DynamicArrayStore arrayStore = mock( DynamicArrayStore.class );
PageCursor arrayCursor = mock( PageCursor.class );
when( arrayStore.newPageCursor() ).thenReturn( arrayCursor );
StorePropertyPayloadCursor cursor = createCursor( ALWAYS_TRUE_INT, stringStore, arrayStore, new Param[0] );
cursor.close();
// when
cursor.dispose();
// then
verify( stringCursor ).close();
verify( arrayCursor ).close();
}
}
@RunWith( Parameterized.class )
public static class SingleAndMultipleValuePayload
{
@Parameter( 0 )
public Params parameters;
@Parameterized.Parameters( name = "{0}" )
public static List<Object[]> parameters()
{
return Arrays.asList( new Object[]{params( paramArg( 42, false, BOOL ) )},
new Object[]{params( paramArg( 42, true, BOOL ) )},
new Object[]{params( paramArg( 42, (byte) 24, BYTE ) )},
new Object[]{params( paramArg( 42, Byte.MIN_VALUE, BYTE ) )},
new Object[]{params( paramArg( 42, Byte.MAX_VALUE, BYTE ) )},
new Object[]{params( paramArg( 42, (short) 99, SHORT ) )},
new Object[]{params( paramArg( 42, Short.MIN_VALUE, SHORT ) )},
new Object[]{params( paramArg( 42, Short.MAX_VALUE, SHORT ) )},
new Object[]{params( paramArg( 42, 'c', CHAR ) )},
new Object[]{params( paramArg( 42, Character.MIN_LOW_SURROGATE, CHAR ) )},
new Object[]{params( paramArg( 42, Character.MAX_HIGH_SURROGATE, CHAR ) )},
new Object[]{params( paramArg( 42, 10293, INT ) )},
new Object[]{params( paramArg( 42, Integer.MIN_VALUE, INT ) )},
new Object[]{params( paramArg( 42, Integer.MAX_VALUE, INT ) )},
new Object[]{params( paramArg( 42, (float) 564.29393, FLOAT ) )},
new Object[]{params( paramArg( 42, Float.MIN_VALUE, FLOAT ) )},
new Object[]{params( paramArg( 42, Float.MAX_VALUE, FLOAT ) )},
new Object[]{params( paramArg( 42, 93039173.12848, DOUBLE ) )},
new Object[]{params( paramArg( 42, Double.MIN_VALUE, DOUBLE ) )},
new Object[]{params( paramArg( 42, Double.MAX_VALUE, DOUBLE ) )},
new Object[]{params( paramArg( 42, 484381293L, LONG ) )},
new Object[]{params( paramArg( 42, Long.MIN_VALUE, LONG ) )},
new Object[]{params( paramArg( 42, Long.MAX_VALUE, LONG ) )},
new Object[]{params( paramArg( 42, "short", SHORT_STRING ) )},
new Object[]{params( paramArg( 42, "alongershortstring", SHORT_STRING ) )},
new Object[]{params( paramArg( 42, "areallylongshortstringbutstillnotsobig", SHORT_STRING ) )},
new Object[]{params( paramArg( 42, new boolean[]{true}, SHORT_ARRAY ) )},
new Object[]{params( paramArg( 42, new byte[]{(byte) 250}, SHORT_ARRAY ) )},
new Object[]{params( paramArg( 42, new short[]{(short) 12000}, SHORT_ARRAY ) )},
new Object[]{params( paramArg( 42, new char[]{'T'}, SHORT_ARRAY ) )},
new Object[]{params( paramArg( 42, new int[]{314}, SHORT_ARRAY ) )},
new Object[]{params( paramArg( 42, new float[]{(float) 3.14}, SHORT_ARRAY ) )},
new Object[]{params( paramArg( 42, new double[]{314159.2653}, SHORT_ARRAY ) )},
new Object[]{params( paramArg( 42, new long[]{1234567890123L}, SHORT_ARRAY ) )},
new Object[]{params( paramArg( 42, false, BOOL ), paramArg( 55, true, BOOL ) )},
new Object[]{params( paramArg( 42, (byte) 24, BYTE ), paramArg( 55, Byte.MIN_VALUE, BYTE ) )},
new Object[]{params( paramArg( 42, (short) 99, SHORT ), paramArg( 55, Short.MAX_VALUE, SHORT ) )},
new Object[]{params(
paramArg( 42, 'c', CHAR ),
paramArg( 55, Character.MAX_HIGH_SURROGATE, CHAR)
)},
new Object[]{params(
paramArg( 42, 10293, INT ),
paramArg( 55, Integer.MIN_VALUE, INT )
)},
new Object[]{params(
paramArg( 42, (float) 564.29393, FLOAT ),
paramArg( 55, Float.MAX_VALUE, FLOAT )
)},
new Object[]{params(
paramArg( 42, Double.MAX_VALUE, DOUBLE ),
paramArg( 55, Double.MIN_VALUE, DOUBLE )
)},
new Object[]{params(
paramArg( 42, Long.MIN_VALUE, LONG ),
paramArg( 55, Long.MAX_VALUE, LONG )
)},
new Object[]{params(
paramArg( 42, new boolean[]{true}, SHORT_ARRAY ),
paramArg( 55, new byte[]{(byte) 250}, SHORT_ARRAY )
)},
new Object[]{params(
paramArg( 42, new short[]{(short) 12000}, SHORT_ARRAY ),
paramArg( 55, new short[]{Short.MIN_VALUE}, SHORT_ARRAY )
)},
new Object[]{params(
paramArg( 42, new char[]{'T'}, SHORT_ARRAY ),
paramArg( 55, new int[]{314}, SHORT_ARRAY )
)},
new Object[]{params(
paramArg( 42, new float[]{(float) 3.14}, SHORT_ARRAY ),
paramArg( 55, new long[]{1234567890123L}, SHORT_ARRAY )
)},
new Object[]{params(
paramArg( 42, new double[]{Double.MIN_VALUE}, SHORT_ARRAY ),
paramArg( 55, new long[]{Long.MAX_VALUE}, SHORT_ARRAY )
)},
new Object[]{params(
paramArg( 42, new long[]{1234567890123L}, SHORT_ARRAY ),
paramArg( 55, new long[]{Long.MIN_VALUE}, SHORT_ARRAY )
)},
new Object[]{params(
paramArg( 42, new long[]{1234567890123L}, SHORT_ARRAY ),
paramArg( 55, new long[]{Long.MIN_VALUE}, SHORT_ARRAY )
)},
new Object[]{params(
paramArg( 42, false, BOOL ),
paramArg( 55, true, BOOL ),
paramArg( 73, false, BOOL ),
paramArg( 99, true, BOOL )
)},
new Object[]{params(
paramArg( 42, (byte) 24, BYTE ),
paramArg( 55, true, BOOL ),
paramArg( 73, (short) 99, SHORT )
)},
new Object[]{params(
paramArg( 42, Byte.MIN_VALUE, BYTE ),
paramArg( 55, Byte.MAX_VALUE, BYTE ),
paramArg( 73, (short) 99, SHORT ),
paramArg( 99, true, BOOL )
)},
new Object[]{params(
paramArg( 42, (short) 99, SHORT ),
paramArg( 55, (byte) 1, BYTE ),
paramArg( 73, Short.MIN_VALUE, SHORT ),
paramArg( 99, Short.MAX_VALUE, SHORT )
)},
new Object[]{params(
paramArg( 42, Short.MAX_VALUE, SHORT ),
paramArg( 55, 5L, LONG ),
paramArg( 73, 6L, LONG )
)},
new Object[]{params(
paramArg( 42, 'c', CHAR ),
paramArg( 55, 'h', CHAR ),
paramArg( 73, 'a', CHAR ),
paramArg( 99, 'r', CHAR )
)},
new Object[]{params(
paramArg( 42, 10293, INT ),
paramArg( 55, 'r', CHAR ),
paramArg( 73, 3.14, DOUBLE )
)},
new Object[]{params(
paramArg( 42, Integer.MIN_VALUE, INT ),
paramArg( 55, Integer.MAX_VALUE, INT ),
paramArg( 73, Integer.MAX_VALUE, INT ),
paramArg( 99, Integer.MAX_VALUE, INT )
)},
new Object[]{params(
paramArg( 42, Float.MIN_VALUE, FLOAT ),
paramArg( 55, (float) 256.256, FLOAT )
)},
new Object[]{params(
paramArg( 42, Double.MIN_VALUE + 1, DOUBLE ),
paramArg( 55, Double.MAX_VALUE - 1, DOUBLE )
)},
new Object[]{params(
paramArg( 42, Double.MIN_VALUE, DOUBLE ),
paramArg( 55, Short.MAX_VALUE, SHORT ),
paramArg( 73, Byte.MAX_VALUE, BYTE )
)},
new Object[]{params(
paramArg( 42, 484381293L, LONG ),
paramArg( 55, 'c', CHAR ),
paramArg( 73, 1, INT ),
paramArg( 99, true, BOOL )
)},
new Object[]{params(
paramArg( 42, 's', CHAR ),
paramArg( 55, 'o', CHAR ),
paramArg( 73, "rt", SHORT_STRING ),
paramArg( 99, true, BOOL )
)},
new Object[]{params(
paramArg( 42, "abc", SHORT_STRING ),
paramArg( 55, 11L, LONG )
)},
new Object[]{params(
paramArg( 42, new boolean[]{true}, SHORT_ARRAY ),
paramArg( 55, new boolean[]{true, false, false}, SHORT_ARRAY ),
paramArg( 73, new byte[]{(byte) 1024}, SHORT_ARRAY )
)},
new Object[]{params(
paramArg( 42, new byte[]{(byte) 250, (byte) 251, (byte) 252}, SHORT_ARRAY ),
paramArg( 55, new char[]{'C', 'T'}, SHORT_ARRAY ),
paramArg( 73, true, BOOL )
)},
new Object[]{params(
paramArg( 42, new long[]{1234567890123L, Long.MAX_VALUE}, SHORT_ARRAY ),
paramArg( 55, (byte) 42, BYTE )
)}
);
}
@Test
public void shouldReturnCorrectValues()
{
// Given
StorePropertyPayloadCursor cursor = allProperties( parameters );
for ( Param param : parameters )
{
// When
boolean next = cursor.next();
// Then
assertNextAndSameValue( next, param, cursor.type(), cursor.value() );
}
// and then
assertFalse( cursor.next() );
}
@Test
public void shouldReturnCorrectSingleValueOrNone()
{
// Given
int[] keyIds = {42, 55, 73, 99};
for ( int keyId : keyIds )
{
StorePropertyPayloadCursor cursor = singleProperty( keyId, parameters );
for ( Param param : Iterables.filter( ( param ) -> param.keyId == keyId, parameters ) )
{
// When
boolean next = cursor.next();
// Then
assertNextAndSameValue( next, param, cursor.type(), cursor.value() );
}
// and then
assertFalse( cursor.next() );
}
}
@Test
public void shouldReturnNothingForNonExistentPropertyKeyId()
{
// Given
StorePropertyPayloadCursor cursor = singleProperty( 21, parameters );
// When/Then
assertFalse( cursor.next() );
}
}
private static void assertNextAndSameValue( boolean next, Param param, PropertyType type, Object value )
{
assertTrue( next );
assertEquals( param.type, type );
assertObjectOrArrayEquals( param.value, value );
}
private static StorePropertyPayloadCursor allProperties( Params input )
{
DynamicStringStore dynamicStringStore = mock( DynamicStringStore.class );
DynamicArrayStore dynamicArrayStore = mock( DynamicArrayStore.class );
return createCursor( ALWAYS_TRUE_INT, dynamicStringStore, dynamicArrayStore, input.params );
}
private static StorePropertyPayloadCursor singleProperty( int keyId, Params input )
{
DynamicStringStore dynamicStringStore = mock( DynamicStringStore.class );
DynamicArrayStore dynamicArrayStore = mock( DynamicArrayStore.class );
return createCursor( k -> k == keyId, dynamicStringStore, dynamicArrayStore, input.params );
}
private static StorePropertyPayloadCursor createCursor( IntPredicate allPropertyKeyIds,
DynamicStringStore dynamicStringStore, DynamicArrayStore dynamicArrayStore, Param[] params )
{
StorePropertyPayloadCursor cursor = new StorePropertyPayloadCursor( dynamicStringStore, dynamicArrayStore );
long[] blocks = asBlocks( params );
cursor.init( allPropertyKeyIds, blocks, blocks.length );
return cursor;
}
private static long[] asBlocks( Param... params )
{
DynamicRecordAllocator stringAllocator = new StandaloneDynamicRecordAllocator();
DynamicRecordAllocator arrayAllocator = new StandaloneDynamicRecordAllocator();
long[] blocks = new long[PropertyType.getPayloadSizeLongs()];
int cursor = 0;
for ( int i = 0; i < params.length; i++ )
{
Param param = params[i];
PropertyBlock block = new PropertyBlock();
PropertyStore.encodeValue( block, param.keyId, param.value, stringAllocator, arrayAllocator );
long[] valueBlocks = block.getValueBlocks();
System.arraycopy( valueBlocks, 0, blocks, cursor, valueBlocks.length );
cursor += valueBlocks.length;
}
return blocks;
}
@SuppressWarnings( "unchecked" )
private static <S extends AbstractDynamicStore> S newDynamicStoreMock( Class<S> clazz ) throws IOException
{
S store = mock( clazz );
when( store.newRecord() ).thenReturn( new DynamicRecord( DynamicRecord.NO_ID ) );
doAnswer( invocationOnMock ->
{
DynamicRecord record = (DynamicRecord) invocationOnMock.getArguments()[1];
record.setId( 42 );
record.setData( new byte[]{1, 1, 1, 1, 1} );
return null;
} ).when( store ).readIntoRecord( anyLong(), any( DynamicRecord.class ), any( RecordLoad.class ),
any( PageCursor.class ) );
return store;
}
static class Param
{
final Object value;
final PropertyType type;
final int keyId;
private Param( Object value, PropertyType type, int keyId )
{
this.value = value;
this.type = type;
this.keyId = keyId;
}
static Param paramArg( int keyId, Object value, PropertyType type )
{
return new Param( value, type, keyId );
}
@Override
public String toString()
{
return "Param{keyId=" + keyId + ", type=" + type + ", value=" + Strings.prettyPrint( value ) + '}';
}
}
static class Params implements Iterable<Param>
{
final Param[] params;
private Params( Param[] params )
{
this.params = params;
}
static Params params( Param... input )
{
return new Params( input );
}
@Override
public Iterator<Param> iterator()
{
return Iterators.iterator( params );
}
@Override
public String toString()
{
return Arrays.toString( params );
}
}
}