/*
* Copyright (c) 2002-2017 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Licensed 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.neo4j.driver.internal;
import org.junit.Test;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.neo4j.driver.v1.Value;
import org.neo4j.driver.v1.util.Function;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.neo4j.driver.v1.Values.NULL;
import static org.neo4j.driver.v1.Values.value;
public class InternalRelationshipTest
{
@Test
public void extractValuesFromNode()
{
// GIVEN
InternalRelationship relationship = createRelationship();
Function<Value,Integer> extractor = new Function<Value,Integer>()
{
@Override
public Integer apply( Value value )
{
return value.asInt();
}
};
//WHEN
Iterable<Integer> values = relationship.values( extractor );
//THEN
Iterator<Integer> iterator = values.iterator();
assertThat( iterator.next(), equalTo( 1 ) );
assertThat( iterator.next(), equalTo( 2 ) );
assertFalse( iterator.hasNext() );
}
@Test
public void accessUnknownKeyShouldBeNull()
{
InternalRelationship relationship = createRelationship();
assertThat( relationship.get( "k1" ), equalTo( value( 1 ) ) );
assertThat( relationship.get( "k2" ), equalTo( value( 2 ) ) );
assertThat( relationship.get( "k3" ), equalTo( NULL ) );
}
private InternalRelationship createRelationship()
{
Map<String,Value> props = new HashMap<>();
props.put( "k1", value( 1 ) );
props.put( "k2", value( 2 ) );
return new InternalRelationship(1L, 0L, 1L, "T", props );
}
}