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ConverterResolverTest.java
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ConverterResolverTest.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.jopa.model.metamodel;
import cz.cvut.kbss.jopa.environment.OWLClassD;
import cz.cvut.kbss.jopa.environment.OWLClassM;
import cz.cvut.kbss.jopa.environment.Vocabulary;
import cz.cvut.kbss.jopa.exception.InvalidFieldMappingException;
import cz.cvut.kbss.jopa.model.JOPAPersistenceProperties;
import cz.cvut.kbss.jopa.model.annotations.OWLAnnotationProperty;
import cz.cvut.kbss.jopa.oom.converter.*;
import cz.cvut.kbss.jopa.oom.converter.datetime.DateConverter;
import cz.cvut.kbss.jopa.oom.converter.datetime.InstantConverter;
import cz.cvut.kbss.jopa.utils.Configuration;
import cz.cvut.kbss.jopa.vocabulary.XSD;
import cz.cvut.kbss.ontodriver.model.Literal;
import org.junit.jupiter.api.Test;
import java.lang.reflect.Field;
import java.time.Instant;
import java.util.Date;
import java.util.Optional;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.instanceOf;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.*;
class ConverterResolverTest {
private ConverterResolver sut = new ConverterResolver(new Converters(new Configuration()));
@Test
void resolveConverterReturnsEmptyOptionalForObjectPropertyWithEntityTarget() throws Exception {
final Field field = OWLClassD.getOwlClassAField();
final PropertyAttributes pa = mock(PropertyAttributes.class);
when(pa.getPersistentAttributeType()).thenReturn(Attribute.PersistentAttributeType.OBJECT);
final Optional<ConverterWrapper<?, ?>> result = sut.resolveConverter(field, pa);
assertFalse(result.isPresent());
}
@Test
void resolveConverterReturnsBuiltInIntegerConverterForIntegerDataPropertyField() throws Exception {
final Field field = OWLClassM.getIntAttributeField();
final PropertyAttributes pa = mock(PropertyAttributes.class);
when(pa.getPersistentAttributeType()).thenReturn(Attribute.PersistentAttributeType.DATA);
doReturn(BasicTypeImpl.get(Integer.class)).when(pa).getType();
final Optional<ConverterWrapper<?, ?>> result = sut.resolveConverter(field, pa);
assertTrue(result.isPresent());
assertTrue(result.get().supportsAxiomValueType(Integer.class));
assertThat(result.get(), instanceOf(ToIntegerConverter.class));
}
@Test
void resolveConverterReturnsBuiltInDateConverterForDataPropertyWithDateTarget() throws Exception {
final Field field = OWLClassM.getDateAttributeField();
final PropertyAttributes pa = mock(PropertyAttributes.class);
when(pa.getPersistentAttributeType()).thenReturn(Attribute.PersistentAttributeType.DATA);
doReturn(BasicTypeImpl.get(Date.class)).when(pa).getType();
final Optional<ConverterWrapper<?, ?>> result = sut.resolveConverter(field, pa);
assertTrue(result.isPresent());
assertTrue(result.get().supportsAxiomValueType(Literal.class));
assertThat(result.get(), instanceOf(DateConverter.class));
}
@Test
void resolveConverterReturnsBuiltInInstantConverterForInstantDataPropertyField() throws Exception {
final Field field = OWLClassM.getDateAttributeField();
final PropertyAttributes pa = mock(PropertyAttributes.class);
when(pa.getPersistentAttributeType()).thenReturn(Attribute.PersistentAttributeType.DATA);
doReturn(BasicTypeImpl.get(Instant.class)).when(pa).getType();
final Optional<ConverterWrapper<?, ?>> result = sut.resolveConverter(field, pa);
assertTrue(result.isPresent());
assertThat(result.get(), instanceOf(InstantConverter.class));
}
@Test
void resolveConverterReturnsBuiltInIntegerConverterForPluralIntegerDataPropertyField() throws Exception {
final Field field = OWLClassM.getIntegerSetField();
final PropertyAttributes pa = mock(PropertyAttributes.class);
when(pa.getPersistentAttributeType()).thenReturn(Attribute.PersistentAttributeType.DATA);
doReturn(BasicTypeImpl.get(Integer.class)).when(pa).getType();
final Optional<ConverterWrapper<?, ?>> result = sut.resolveConverter(field, pa);
assertTrue(result.isPresent());
assertTrue(result.get().supportsAxiomValueType(Integer.class));
assertThat(result.get(), instanceOf(ToIntegerConverter.class));
}
@Test
void resolveConverterReturnsBuiltInEnumConverterForEnumDataPropertyField() throws Exception {
final Field field = OWLClassM.getEnumAttributeField();
final PropertyAttributes pa = mock(PropertyAttributes.class);
when(pa.getPersistentAttributeType()).thenReturn(Attribute.PersistentAttributeType.DATA);
doReturn(BasicTypeImpl.get(OWLClassM.Severity.class)).when(pa).getType();
final Optional<ConverterWrapper<?, ?>> result = sut.resolveConverter(field, pa);
assertTrue(result.isPresent());
assertThat(result.get(), instanceOf(EnumConverter.class));
assertTrue(result.get().supportsAxiomValueType(String.class));
}
@Test
void resolveConverterReturnsToLexicalFormConverterForFieldWithLexicalForm() throws Exception {
final Field field = OWLClassM.getLexicalFormField();
final DataPropertyAttributes pa = mock(DataPropertyAttributes.class);
when(pa.getPersistentAttributeType()).thenReturn(Attribute.PersistentAttributeType.DATA);
when(pa.isLexicalForm()).thenReturn(true);
doReturn(BasicTypeImpl.get(String.class)).when(pa).getType();
final Optional<ConverterWrapper<?, ?>> result = sut.resolveConverter(field, pa);
assertTrue(result.isPresent());
assertThat(result.get(), instanceOf(ToLexicalFormConverter.class));
}
@Test
void resolveConverterReturnsObjectConverterForFieldOfObjectType() throws Exception {
final Field field = ClassWithObjectAnnotation.class.getDeclaredField("singularAnnotation");
final AnnotationPropertyAttributes pa = mock(AnnotationPropertyAttributes.class);
when(pa.getPersistentAttributeType()).thenReturn(Attribute.PersistentAttributeType.ANNOTATION);
doReturn(BasicTypeImpl.get(Object.class)).when(pa).getType();
final Optional<ConverterWrapper<?, ?>> result = sut.resolveConverter(field, pa);
assertTrue(result.isPresent());
assertThat(result.get(), instanceOf(ObjectConverter.class));
}
private static class ClassWithObjectAnnotation {
@OWLAnnotationProperty(iri = Vocabulary.ATTRIBUTE_BASE + "singularAnnotation")
private Object singularAnnotation;
}
@Test
void resolveConverterUsesConfigurationToProvideSettingsToObjectConverter() throws Exception {
final Configuration config = new Configuration();
config.set(JOPAPersistenceProperties.PREFER_MULTILINGUAL_STRING, Boolean.TRUE.toString());
sut = new ConverterResolver(new Converters(config));
final Field field = ClassWithObjectAnnotation.class.getDeclaredField("singularAnnotation");
final AnnotationPropertyAttributes pa = mock(AnnotationPropertyAttributes.class);
when(pa.getPersistentAttributeType()).thenReturn(Attribute.PersistentAttributeType.ANNOTATION);
doReturn(BasicTypeImpl.get(Object.class)).when(pa).getType();
final Optional<ConverterWrapper<?, ?>> result = sut.resolveConverter(field, pa);
assertTrue(result.isPresent());
assertThat(result.get(), instanceOf(ObjectConverter.class));
final ObjectConverter objectConverter = (ObjectConverter) result.get();
assertTrue(objectConverter.doesPreferMultilingualString());
}
@Test
void resolveConverterReturnsToRdfLiteralConverterForAttributeWithExplicitDatatypeMapping() throws Exception {
final Field field = OWLClassM.getExplicitDatatypeField();
final DataPropertyAttributes pa = mock(DataPropertyAttributes.class);
when(pa.hasDatatype()).thenReturn(true);
when(pa.getDatatype()).thenReturn(XSD.DURATION);
when(pa.getPersistentAttributeType()).thenReturn(Attribute.PersistentAttributeType.DATA);
doReturn(BasicTypeImpl.get(String.class)).when(pa).getType();
final Optional<ConverterWrapper<?, ?>> result = sut.resolveConverter(field, pa);
assertTrue(result.isPresent());
assertThat(result.get(), instanceOf(ToRdfLiteralConverter.class));
}
@Test
void resolveConverterThrowsInvalidFieldMappingExceptionWhenFieldWithExplicitDatatypeIsNotOfTypeString() throws Exception {
final Field field = OWLClassM.getIntAttributeField();
final DataPropertyAttributes pa = mock(DataPropertyAttributes.class);
when(pa.hasDatatype()).thenReturn(true);
when(pa.getDatatype()).thenReturn(XSD.DURATION);
when(pa.getPersistentAttributeType()).thenReturn(Attribute.PersistentAttributeType.DATA);
doReturn(BasicTypeImpl.get(Integer.class)).when(pa).getType();
assertThrows(InvalidFieldMappingException.class, () -> sut.resolveConverter(field, pa));
}
}