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SelectResultSetTest.java
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SelectResultSetTest.java
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/**
* Copyright (C) 2020 Czech Technical University in Prague
* <p>
* This program 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.
* <p>
* 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 cz.cvut.kbss.ontodriver.sesame.query;
import cz.cvut.kbss.ontodriver.ResultSet;
import cz.cvut.kbss.ontodriver.Statement;
import cz.cvut.kbss.ontodriver.exception.VariableNotBoundException;
import org.eclipse.rdf4j.model.ValueFactory;
import org.eclipse.rdf4j.model.impl.SimpleValueFactory;
import org.eclipse.rdf4j.query.BindingSet;
import org.eclipse.rdf4j.query.TupleQueryResult;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import java.net.URI;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.when;
public class SelectResultSetTest {
private static final List<String> BINDINGS = Arrays.asList("x", "y", "z");
@Mock
private TupleQueryResult resultMock;
@Mock
private BindingSet bindingSetMock;
@Mock
private Statement statementMock;
private final ValueFactory valueFactory = SimpleValueFactory.getInstance();
private ResultSet resultSet;
@BeforeEach
public void setUp() {
MockitoAnnotations.initMocks(this);
when(resultMock.getBindingNames()).thenReturn(BINDINGS);
when(resultMock.next()).thenReturn(bindingSetMock);
when(resultMock.hasNext()).thenReturn(true);
this.resultSet = new SelectResultSet(resultMock, statementMock);
}
@Test
public void getObjectOnLiteralReturnsCorrespondingJavaLiteral() throws Exception {
final String x = "String";
when(bindingSetMock.getValue("x")).thenReturn(valueFactory.createLiteral(x));
when(bindingSetMock.getValue("y")).thenReturn(valueFactory.createLiteral(false));
final int z = 117;
when(bindingSetMock.getValue("z")).thenReturn(valueFactory.createLiteral(z));
resultSet.next();
assertEquals(x, resultSet.getObject(0));
assertFalse((Boolean) resultSet.getObject("y"));
assertEquals(z, resultSet.getObject(2));
}
@Test
public void getObjectOnSesameUriReturnsJavaUri() throws Exception {
final URI x = URI.create("http://krizik.felk.cvut.cz/ontologies/jopa#John117");
when(bindingSetMock.getValue("x")).thenReturn(valueFactory.createIRI(x.toString()));
resultSet.next();
assertEquals(x, resultSet.getObject(0));
}
@Test
public void getObjectOnBlankNodeReturnsItAsString() throws Exception {
when(bindingSetMock.getValue("x")).thenReturn(valueFactory.createBNode());
resultSet.next();
assertTrue(resultSet.getObject("x") instanceof String);
}
@Test
public void getObjectTypedOnUriReturnsUriWhenAskedForUri() throws Exception {
final URI x = URI.create("http://krizik.felk.cvut.cz/ontologies/jopa#John117");
when(bindingSetMock.getValue("x")).thenReturn(valueFactory.createIRI(x.toString()));
resultSet.next();
assertEquals(x, resultSet.getObject(0, URI.class));
}
@Test
public void isBoundReturnsTrueForBoundVariableIndex() throws Exception {
when(bindingSetMock.getBindingNames()).thenReturn(Collections.singleton("x"));
when(bindingSetMock.getValue("x")).thenReturn(valueFactory.createLiteral(117));
resultSet.next();
assertTrue(resultSet.isBound(0));
}
@Test
public void isBoundReturnsFalseForUnboundVariableIndex() throws Exception {
when(bindingSetMock.getBindingNames()).thenReturn(Collections.singleton("x"));
when(bindingSetMock.getValue("x")).thenReturn(null);
resultSet.next();
assertFalse(resultSet.isBound(0));
}
@Test
public void isBoundReturnsTrueForBoundVariableName() throws Exception {
when(bindingSetMock.getBindingNames()).thenReturn(Collections.singleton("x"));
when(bindingSetMock.getValue("x")).thenReturn(valueFactory.createLiteral(117));
resultSet.next();
assertTrue(resultSet.isBound("x"));
}
@Test
public void isBoundReturnsFalseForUnboundVariableName() throws Exception {
when(bindingSetMock.getBindingNames()).thenReturn(Collections.singleton("x"));
when(bindingSetMock.getValue("x")).thenReturn(null);
resultSet.next();
assertFalse(resultSet.isBound("x"));
}
@Test
public void getObjectThrowsVariableNotBoundWhenVariableIsInResultSetButIsNotBoundInRow() throws Exception {
when(bindingSetMock.getBindingNames()).thenReturn(new HashSet<>(Arrays.asList("x", "y")));
when(bindingSetMock.getValue("x")).thenReturn(valueFactory.createLiteral(117));
resultSet.next();
assertThrows(VariableNotBoundException.class, () -> resultSet.getObject("y"));
}
@Test
public void getIntByIndexThrowsVariableNotBoundWhenVariableIsInResultSetButIsNotBoundInRow() throws Exception {
when(bindingSetMock.getBindingNames()).thenReturn(new HashSet<>(Arrays.asList("x", "y")));
when(bindingSetMock.getValue("x")).thenReturn(valueFactory.createLiteral(117));
resultSet.next();
assertThrows(VariableNotBoundException.class, () -> resultSet.getInt(1));
}
}