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package org.apache.usergrid.persistence.graph.serialization.impl.shard.impl.comparators;
import java.util.UUID;
import org.junit.Test;
import org.apache.usergrid.persistence.core.util.IdGenerator;
import org.apache.usergrid.persistence.graph.impl.SimpleMarkedEdge;
import org.apache.usergrid.persistence.model.entity.Id;
import org.apache.usergrid.persistence.model.util.UUIDGenerator;
import static org.apache.usergrid.persistence.core.util.IdGenerator.createId;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class SourceDirectedEdgeDescendingComparatorTest {
final SourceDirectedEdgeDescendingComparator comp = SourceDirectedEdgeDescendingComparator.INSTANCE;
@Test
public void sameEdges() {
final Id sourceId = IdGenerator.createId( "source" );
final Id targetId = IdGenerator.createId( "target" );
final String type = "type";
final long timestamp = 10000;
final SimpleMarkedEdge markedEdge1 = new SimpleMarkedEdge( sourceId, type, targetId, timestamp, true );
final SimpleMarkedEdge markedEdge2 = new SimpleMarkedEdge( sourceId, type, targetId, timestamp, true );
int compare = comp.compare( markedEdge1, markedEdge2 );
assertEquals( 0, compare );
compare = comp.compare( markedEdge2, markedEdge1 );
assertEquals( 0, compare );
}
@Test
public void timestampDifferent() {
final Id sourceId = IdGenerator.createId( "source" );
final Id targetId = IdGenerator.createId( "target" );
final String type = "type";
final long timestamp = 10000;
final SimpleMarkedEdge markedEdge1 = new SimpleMarkedEdge( sourceId, type, targetId, timestamp, true );
final SimpleMarkedEdge markedEdge2 = new SimpleMarkedEdge( sourceId, type, targetId, timestamp + 1, true );
//marked edge 1 is less than timestamp, it should be considered "greater"
int compare = comp.compare( markedEdge1, markedEdge2 );
assertEquals( 1, compare );
compare = comp.compare( markedEdge2, markedEdge1 );
assertEquals( -1, compare );
}
@Test
public void uuidDifferent() {
final Id sourceId1 = IdGenerator.createId( "source" );
final Id sourceId2 = IdGenerator.createId( "source" );
final Id targetId = IdGenerator.createId( "target" );
final String type = "type";
final long timestamp = 10000;
final SimpleMarkedEdge markedEdge1 = new SimpleMarkedEdge( sourceId1, type, targetId, timestamp, true );
final SimpleMarkedEdge markedEdge2 = new SimpleMarkedEdge( sourceId2, type, targetId, timestamp, true );
//marked edge 1 uuid is a is less than target uuid timestamp, it should be considered "greater"
int compare = comp.compare( markedEdge1, markedEdge2 );
assertTrue( compare > 0 );
compare = comp.compare( markedEdge2, markedEdge1 );
assertTrue( compare < 0 );
}
@Test
public void idTypeDifferent() {
final UUID sourceId = UUIDGenerator.newTimeUUID();
final Id sourceId1 = IdGenerator.createId( sourceId, "source1" );
final Id sourceId2 = IdGenerator.createId( sourceId, "source2" );
final Id targetId = IdGenerator.createId( "target" );
final String type = "type";
final long timestamp = 10000;
final SimpleMarkedEdge markedEdge1 = new SimpleMarkedEdge( sourceId2, type, targetId, timestamp, true );
final SimpleMarkedEdge markedEdge2 = new SimpleMarkedEdge( sourceId1, type, targetId, timestamp, true );
//marked edge 1 is less than timestamp, it should be considered "greater"
int compare = comp.compare( markedEdge1, markedEdge2 );
assertEquals( 1, compare );
compare = comp.compare( markedEdge2, markedEdge1 );
assertEquals( -1, compare );
}
}