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DatatypeTransformerTest.java
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DatatypeTransformerTest.java
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package cz.cvut.kbss.jopa.owlapi;
import cz.cvut.kbss.jopa.vocabulary.XSD;
import cz.cvut.kbss.ontodriver.model.LangString;
import cz.cvut.kbss.ontodriver.model.Literal;
import org.junit.jupiter.api.Test;
import org.semanticweb.owlapi.model.OWLDataFactory;
import org.semanticweb.owlapi.model.OWLLiteral;
import org.semanticweb.owlapi.vocab.OWL2Datatype;
import uk.ac.manchester.cs.owl.owlapi.OWLDataFactoryImpl;
import java.time.*;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;
import java.util.Date;
import static cz.cvut.kbss.jopa.datatype.DateTimeUtil.SYSTEM_OFFSET;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.jupiter.api.Assertions.*;
class DatatypeTransformerTest {
private static final OWLDataFactory DATA_FACTORY = new OWLDataFactoryImpl();
@Test
void transformOwlLiteralToObjectReturnsOntoDriverLangStringForRdfLangString() {
final OWLLiteral literal = DATA_FACTORY.getOWLLiteral("test", "en");
final Object result = DatatypeTransformer.transform(literal);
assertThat(result, instanceOf(LangString.class));
final LangString lsResult = (LangString) result;
assertEquals(literal.getLiteral(), lsResult.getValue());
assertTrue(lsResult.getLanguage().isPresent());
assertEquals(literal.getLang(), lsResult.getLanguage().get());
}
@Test
void transformOwlLiteralToObjectReturnsStringForSimpleLiteral() {
final OWLLiteral literal = DATA_FACTORY.getOWLLiteral("test");
final Object result = DatatypeTransformer.transform(literal);
assertThat(result, instanceOf(String.class));
assertEquals(literal.getLiteral(), result);
}
@Test
void transformObjectToOwlLiteralReturnsRdfLangStringForOntoDriverLangStringWithLanguage() {
final LangString ls = new LangString("test", "en");
final OWLLiteral result = DatatypeTransformer.transform(ls, null);
assertEquals(OWL2Datatype.RDF_LANG_STRING.getDatatype(DATA_FACTORY), result.getDatatype());
assertEquals(ls.getValue(), result.getLiteral());
assertEquals(ls.getLanguage().get(), result.getLang());
}
@Test
void transformObjectToOwlLiteralReturnsSimpleLiteralForOntoDriverLangStringWithoutLanguage() {
final LangString ls = new LangString("test");
final OWLLiteral result = DatatypeTransformer.transform(ls, null);
assertEquals(OWL2Datatype.XSD_STRING.getDatatype(DATA_FACTORY), result.getDatatype());
assertEquals(ls.getValue(), result.getLiteral());
assertFalse(result.hasLang());
assertTrue(result.getLang().isEmpty());
}
@Test
void transformObjectToOwlLiteralSupportsMappingOntoLiteralWithLexicalFormAndDatatype() {
final Literal ontoLiteral = new Literal("P1Y", XSD.DURATION);
final OWLLiteral result = DatatypeTransformer.transform(ontoLiteral, null);
assertEquals(ontoLiteral.getLexicalForm(), result.getLiteral());
assertEquals(XSD.DURATION, result.getDatatype().toStringID());
}
@Test
void transformOwlLiteralToObjectReturnsOntoDriverLiteralForUnknownDatatype() {
final OWLLiteral literal = DATA_FACTORY.getOWLLiteral("P1Y", DATA_FACTORY.getOWLDatatype(XSD.DURATION));
final Object result = DatatypeTransformer.transform(literal);
assertThat(result, instanceOf(cz.cvut.kbss.ontodriver.model.Literal.class));
final cz.cvut.kbss.ontodriver.model.Literal literalResult = (cz.cvut.kbss.ontodriver.model.Literal) result;
assertEquals(literal.getLiteral(), literalResult.getLexicalForm());
assertEquals(literal.getDatatype().toStringID(), literalResult.getDatatype());
}
@Test
void transformObjectToOwlLiteralReturnsXsdDateTimeAtUTCOffsetForDate() {
final Instant instant = Instant.now().truncatedTo(ChronoUnit.MILLIS);
final Date value = Date.from(instant);
final OWLLiteral result = DatatypeTransformer.transform(value, null);
assertEquals(instant.atOffset(ZoneOffset.UTC).format(DateTimeFormatter.ISO_OFFSET_DATE_TIME),
result.getLiteral());
assertEquals(XSD.DATETIME, result.getDatatype().toStringID());
}
@Test
void transformObjectToOwlLiteralReturnsXsdDateTimeAtSystemOffsetForLocalDateTime() {
final LocalDateTime value = LocalDateTime.now();
final OWLLiteral result = DatatypeTransformer.transform(value, null);
assertEquals(value.atOffset(SYSTEM_OFFSET).format(DateTimeFormatter.ISO_OFFSET_DATE_TIME), result.getLiteral());
assertEquals(XSD.DATETIME, result.getDatatype().toStringID());
}
@Test
void transformObjectToOwlLiteralReturnsXsdTimeAtSystemOffsetForLocalTime() {
final LocalTime value = LocalTime.now();
final OWLLiteral result = DatatypeTransformer.transform(value, null);
assertEquals(value.atOffset(SYSTEM_OFFSET).format(DateTimeFormatter.ISO_OFFSET_TIME), result.getLiteral());
assertEquals(XSD.TIME, result.getDatatype().toStringID());
}
@Test
void transformObjectToOwlLiteralReturnsXsdDateForLocalDate() {
final LocalDate value = LocalDate.now();
final OWLLiteral result = DatatypeTransformer.transform(value, null);
assertEquals(value.format(DateTimeFormatter.ISO_DATE), result.getLiteral());
assertEquals(XSD.DATE, result.getDatatype().toStringID());
}
@Test
void transformObjectToOwlLiteralReturnsXsdDurationForJavaDuration() {
final Duration value = Duration.ofSeconds(158);
final OWLLiteral result = DatatypeTransformer.transform(value, null);
assertEquals(value.toString(), result.getLiteral());
assertEquals(XSD.DURATION, result.getDatatype().toStringID());
}
}