AbstractQueryModelNodeTest.java
/*******************************************************************************
* Copyright (c) 2020 Eclipse RDF4J contributors.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Distribution License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*******************************************************************************/
package org.eclipse.rdf4j.query.algebra;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
public class AbstractQueryModelNodeTest {
@Test
public void getCardinalityString() {
{
StatementPattern statementPattern = new StatementPattern(new Var("s"), new Var("p"), new Var("o"));
String cardinalityString = statementPattern.toHumanReadableNumber(statementPattern.getResultSizeEstimate());
assertEquals("UNKNOWN", cardinalityString);
}
{
StatementPattern statementPattern = new StatementPattern(new Var("s"), new Var("p"), new Var("o"));
statementPattern.setResultSizeEstimate(1234);
String cardinalityString = statementPattern.toHumanReadableNumber(statementPattern.getResultSizeEstimate());
assertEquals("1.2K", cardinalityString);
}
{
StatementPattern statementPattern = new StatementPattern(new Var("s"), new Var("p"), new Var("o"));
statementPattern.setResultSizeEstimate(1910000);
String cardinalityString = statementPattern.toHumanReadableNumber(statementPattern.getResultSizeEstimate());
assertEquals("1.9M", cardinalityString);
}
{
StatementPattern statementPattern = new StatementPattern(new Var("s"), new Var("p"), new Var("o"));
statementPattern.setResultSizeEstimate(1990000);
String cardinalityString = statementPattern.toHumanReadableNumber(statementPattern.getResultSizeEstimate());
assertEquals("2.0M", cardinalityString);
}
{
StatementPattern statementPattern = new StatementPattern(new Var("s"), new Var("p"), new Var("o"));
statementPattern.setResultSizeEstimate(912000);
String cardinalityString = statementPattern.toHumanReadableNumber(statementPattern.getResultSizeEstimate());
assertEquals("912.0K", cardinalityString);
}
}
}