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QueryTestBase.java
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QueryTestBase.java
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/**
* Copyright (C) 2020 Czech Technical University in Prague
*
* 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.
*
* 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.jopa.model;
import cz.cvut.kbss.jopa.environment.OWLClassA;
import cz.cvut.kbss.jopa.environment.OWLClassD;
import cz.cvut.kbss.jopa.environment.utils.Generators;
import cz.cvut.kbss.jopa.environment.utils.MetamodelMocks;
import cz.cvut.kbss.jopa.exceptions.NoResultException;
import cz.cvut.kbss.jopa.model.query.Parameter;
import cz.cvut.kbss.jopa.model.query.Query;
import cz.cvut.kbss.jopa.query.sparql.SparqlQueryFactory;
import cz.cvut.kbss.jopa.sessions.ConnectionWrapper;
import cz.cvut.kbss.jopa.sessions.UnitOfWorkImpl;
import cz.cvut.kbss.jopa.utils.Procedure;
import cz.cvut.kbss.ontodriver.ResultSet;
import cz.cvut.kbss.ontodriver.Statement;
import cz.cvut.kbss.ontodriver.iteration.ResultRow;
import cz.cvut.kbss.ontodriver.iteration.ResultSetIterator;
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.List;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.StringContains.containsString;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.*;
abstract class QueryTestBase {
static final String SELECT_QUERY =
"SELECT ?x WHERE { ?x a <http://krizik.felk.cvut.cz/ontologies/jopa/entities#OWLClassA> . }";
static final String UPDATE_QUERY = "INSERT DATA { ?inst a ?type . }";
@Mock
ConnectionWrapper connectionWrapperMock;
@Mock
UnitOfWorkImpl uowMock;
@Mock
Statement statementMock;
@Mock
ResultSet resultSetMock;
@Mock
ResultRow resultRow;
@Mock
ResultSetIterator resultSetIterator;
@Mock
Procedure handler;
@Mock
Procedure ensureOpenProcedure;
SparqlQueryFactory queryFactory;
@BeforeEach
void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
when(connectionWrapperMock.createStatement()).thenReturn(statementMock);
when(statementMock.executeQuery(any())).thenReturn(resultSetMock);
doAnswer((invocationOnMock) -> {
resultSetMock.close();
return null;
}).when(statementMock).close();
when(resultSetMock.iterator()).thenReturn(resultSetIterator);
when(resultSetIterator.next()).thenReturn(resultRow);
when(resultSetMock.stream()).thenCallRealMethod();
when(resultSetMock.spliterator()).thenCallRealMethod();
this.queryFactory = new SparqlQueryFactory(uowMock, connectionWrapperMock);
}
abstract AbstractQuery createQuery(String query, Class<?> resultType);
abstract AbstractQuery createQuery(String query);
@Test
void getResultListWithoutParameterSettingJustPassesTheOriginalQuery() throws Exception {
final String query = "SELECT ?x ?y ?z WHERE { ?x ?y ?z .}";
final Query q = createQuery(query, Object.class);
q.getResultList();
verify(connectionWrapperMock).createStatement();
verify(statementMock).executeQuery(query);
}
@Test
void setParameterByNameSetsAllOccurrencesOfVariableInQuery() throws Exception {
final String query = "SELECT ?y ?z WHERE { ?x ?y ?z . ?z ?y ?x . }";
final Query q = createQuery(query, Object.class);
q.setParameter("x", "Individual");
q.getResultList();
verify(connectionWrapperMock).createStatement();
verify(statementMock).executeQuery("SELECT ?y ?z WHERE { \"Individual\" ?y ?z . ?z ?y \"Individual\" . }");
}
@Test
void setParameterByParameterSetsValueWithCorrectType() throws Exception {
final String query = "SELECT ?x ?y WHERE { ?x ?y ?z .}";
final Query q = createQuery(query, Object.class);
final Parameter<URI> p = (Parameter<URI>) q.getParameter("z");
q.setParameter(p, URI.create("http://krizik.felk.cvut.cz"));
q.getResultList();
verify(statementMock).executeQuery("SELECT ?x ?y WHERE { ?x ?y <http://krizik.felk.cvut.cz> .}");
}
@Test
void testSetStringParameterWithLanguageTag() throws Exception {
final String query = "SELECT ?x ?y WHERE { ?x ?y ?z .}";
final Query q = createQuery(query, Object.class);
q.setParameter("z", "Object", "en");
assertEquals("Object", q.getParameterValue("z"));
q.getResultList();
verify(statementMock).executeQuery("SELECT ?x ?y WHERE { ?x ?y \"Object\"@en .}");
}
@Test
void testSetStringParameterWithLanguageTagUsingParameterMethod() throws Exception {
final String query = "SELECT ?x ?y WHERE { ?x ?y ?z .}";
final Query q = createQuery(query, Object.class);
final Parameter<String> p = (Parameter<String>) q.getParameter("z");
q.setParameter(p, "Object", "cs");
q.getResultList();
verify(statementMock).executeQuery("SELECT ?x ?y WHERE { ?x ?y \"Object\"@cs .}");
}
@Test
void getParameterValueThrowsIllegalStateForUnboundParam() {
final String query = "SELECT ?x ?y WHERE { ?x ?y ?z .}";
final Query q = createQuery(query, Object.class);
assertThrows(IllegalStateException.class, () -> q.getParameterValue("z"));
}
@Test
void isBoundIndicatesWhetherVariableHasBeenBound() {
final String query = "SELECT ?x ?y WHERE { ?x ?y ?z .}";
final Query q = createQuery(query, Object.class);
final Parameter<?> p = q.getParameter("z");
assertFalse(q.isBound(p));
q.setParameter(p.getName(), "Test");
assertTrue(q.isBound(p));
assertEquals("Test", q.getParameterValue(p.getName()));
}
@Test
void setMaxResultsToLessThanZeroThrowsIllegalArgument() {
final String query = "SELECT ?x ?y WHERE { ?x ?y ?z .}";
final Query q = createQuery(query, Object.class);
assertThrows(IllegalArgumentException.class, () -> q.setMaxResults(-1));
}
@Test
void getSingleResultWithoutResultThrowsNoResultException() {
final String query = "SELECT ?x ?y WHERE { ?x ?y ?z .}";
final Query q = createQuery(query, Object.class);
assertThrows(NoResultException.class, q::getSingleResult);
}
@Test
void setPositionalParameterSetsValueAtCorrectPosition() throws Exception {
final String query = "SELECT ?x ?z WHERE { ?x $1 ?z . }";
final Query q = createQuery(query, Object.class);
final URI paramValue = URI.create("http://krizik.felk.cvut.cz/jopa#property");
q.setParameter(1, paramValue);
q.getResultList();
verify(statementMock).executeQuery(query.replace("$1", "<" + paramValue.toString() + ">"));
}
@Test
void setPositionalParameterWithLanguageTag() throws Exception {
final String query = "SELECT ?x WHERE { ?x rdfs:label $ . }";
final Query q = createQuery(query, Object.class);
final String value = "Hooray";
q.setParameter(1, value, "en");
assertEquals(value, q.getParameterValue(1));
final Parameter<?> p = q.getParameter(1);
assertEquals(value, q.getParameterValue(p));
q.getResultList();
verify(statementMock).executeQuery(query.replace("$", "\"Hooray\"@en"));
}
@Test
void closesStatementAndResultSetUponSelectFinish() throws Exception {
final String query = "SELECT ?x ?y ?z WHERE { ?x ?y ?z .}";
final Query q = createQuery(query, Object.class);
q.getResultList();
verify(statementMock).close();
verify(resultSetMock).close();
}
@Test
void closesStatementUponUpdateFinish() throws Exception {
final String query = "INSERT DATA { ?x ?y ?z .}";
final Query q = createQuery(query, Void.class);
q.executeUpdate();
verify(statementMock).close();
}
@Test
void setUntypedParameterByPositionAddsValueDirectlyIntoQueryString() throws Exception {
final String query = "SELECT * WHERE { ?x ?y ?z . } LIMIT $1";
final Integer value = 15;
final Query q = createQuery(query, Object.class);
q.setUntypedParameter(1, value);
q.getResultList();
verify(statementMock).executeQuery(query.replace("$1", value.toString()));
}
@Test
void setUntypedParameterByNameAddsValueDirectlyIntoQueryString() throws Exception {
final String query = "SELECT * WHERE { ?x ?y ?z . } OFFSET ?offset";
final Integer value = 15;
final Query q = createQuery(query, Object.class);
q.setUntypedParameter("offset", value);
q.getResultList();
verify(statementMock).executeQuery(query.replace("?offset", value.toString()));
}
@Test
void setUntypedParameterAddsValueDirectlyIntoQueryString() throws Exception {
final String query = "SELECT * WHERE { ?x ?y ?z . } OFFSET ?offset";
final Integer value = 15;
final Query q = createQuery(query, Object.class);
final Parameter<Integer> param = (Parameter<Integer>) q.getParameter("offset");
q.setUntypedParameter(param, value);
q.getResultList();
verify(statementMock).executeQuery(query.replace("?offset", value.toString()));
}
@Test
void settingFirstResultToLargerThanResultCountReturnsEmptyList() throws Exception {
final Query q = createQuery(SELECT_QUERY, OWLClassA.class);
when(resultSetMock.getColumnCount()).thenReturn(1);
// Three results
when(resultSetMock.hasNext()).thenReturn(true).thenReturn(true).thenReturn(true).thenReturn(false);
q.setFirstResult(3);
final List result = q.getResultList();
assertTrue(result.isEmpty());
verify(resultSetMock, never()).getObject(any());
}
@Test
void settingFirstResultToNegativeThrowsIllegalArgumentException() throws Exception {
final Query q = createQuery(SELECT_QUERY, OWLClassA.class);
final IllegalArgumentException result =
assertThrows(IllegalArgumentException.class, () -> q.setFirstResult(-1));
assertThat(result.getMessage(), containsString("offset to less than 0"));
verify(resultSetMock, never()).hasNext();
}
@Test
void executeUpdateEnsuresPersistenceContextIsOpen() {
final AbstractQuery q = createQuery(UPDATE_QUERY);
q.executeUpdate();
verify(ensureOpenProcedure).execute();
}
@Test
void getResultListEnsuresPersistenceContextIsOpen() {
final AbstractQuery q = createQuery(SELECT_QUERY, OWLClassA.class);
q.getResultList();
verify(ensureOpenProcedure).execute();
}
@Test
void setParameterSupportsUsingEntityAsParameterValue() throws Exception {
final MetamodelImpl mm = mock(MetamodelImpl.class);
final MetamodelMocks metamodelMocks = new MetamodelMocks();
metamodelMocks.setMocks(mm);
when(uowMock.getMetamodel()).thenReturn(mm);
when(uowMock.isEntityType(any())).thenReturn(true);
final OWLClassA a = Generators.generateOwlClassAInstance();
final AbstractQuery q = createQuery("SELECT ?x WHERE { ?x ?hasA ?a . }", OWLClassD.class);
q.setParameter("a", a);
q.getResultList();
verify(statementMock).executeQuery("SELECT ?x WHERE { ?x ?hasA <" + a.getUri() + "> . }");
}
}