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TemporalSerializerTest.java
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TemporalSerializerTest.java
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package cz.cvut.kbss.jsonld.serialization.datetime;
import cz.cvut.kbss.jopa.datatype.DateTimeUtil;
import cz.cvut.kbss.jsonld.ConfigParam;
import cz.cvut.kbss.jsonld.Configuration;
import cz.cvut.kbss.jsonld.environment.Generator;
import cz.cvut.kbss.jsonld.exception.UnsupportedTemporalTypeException;
import cz.cvut.kbss.jsonld.serialization.model.JsonNode;
import cz.cvut.kbss.jsonld.serialization.model.NumericLiteralNode;
import cz.cvut.kbss.jsonld.serialization.model.StringLiteralNode;
import cz.cvut.kbss.jsonld.serialization.traversal.SerializationContext;
import org.junit.jupiter.api.Test;
import java.time.*;
import java.time.chrono.JapaneseEra;
import java.time.format.DateTimeFormatter;
import java.time.temporal.TemporalAccessor;
import static org.junit.jupiter.api.Assertions.*;
class TemporalSerializerTest {
private final TemporalSerializer sut = new TemporalSerializer();
@Test
void serializeReturnsLocalDateAsStringNodeWithIsoDate() {
final LocalDate value = LocalDate.now();
serializeAndVerifyStringResult(value, value.format(DateTimeFormatter.ISO_DATE));
}
@Test
void serializeReturnsOffsetTimeAsStringNodeWithIsoOffsetTime() {
final OffsetTime value = OffsetTime.now();
serializeAndVerifyStringResult(value, value.format(DateTimeFormatter.ISO_OFFSET_TIME));
}
private void serializeAndVerifyStringResult(TemporalAccessor value, String expected) {
final SerializationContext<TemporalAccessor> ctx = Generator.serializationContext(value);
final JsonNode result = sut.serialize(value, ctx);
assertInstanceOf(StringLiteralNode.class, result);
assertEquals(ctx.getAttributeId(), result.getName());
assertEquals(expected, ((StringLiteralNode) result).getValue());
}
@Test
void serializeReturnsLocalTimeAsStringNodeWithIsoOffsetTimeAttSystemOffset() {
final LocalTime value = LocalTime.now();
serializeAndVerifyStringResult(value, value.atOffset(DateTimeUtil.SYSTEM_OFFSET)
.format(DateTimeFormatter.ISO_OFFSET_TIME));
}
@Test
void serializeReturnsOffsetDateTimeAsStringNodeWithIsoOffsetDateTime() {
final OffsetDateTime value = OffsetDateTime.now();
serializeAndVerifyStringResult(value, value.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME));
}
@Test
void serializeReturnsLocalDateTimeAsStringNodeWithIsoOffsetDateTimeAtSystemOffset() {
final LocalDateTime value = LocalDateTime.now();
serializeAndVerifyStringResult(value, value.atOffset(DateTimeUtil.SYSTEM_OFFSET)
.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME));
}
@Test
void serializeReturnsInstantAsStringNodeWithIsoOffsetDateTimeAtUtcOffset() {
final Instant value = Instant.now();
serializeAndVerifyStringResult(value, value.atOffset(ZoneOffset.UTC)
.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME));
}
@Test
void serializeReturnsZonedDateTimeAsStringNodeWithIsoOffsetDateTimeAtZoneOffset() {
final ZonedDateTime value = ZonedDateTime.now();
serializeAndVerifyStringResult(value, value.toOffsetDateTime().format(DateTimeFormatter.ISO_OFFSET_DATE_TIME));
}
@Test
void serializeThrowsUnsupportedTemporalTypeExceptionForUnsupportedTemporalAccessorType() {
final JapaneseEra value = JapaneseEra.TAISHO;
final SerializationContext<TemporalAccessor> ctx = Generator.serializationContext(value);
assertThrows(UnsupportedTemporalTypeException.class, () -> sut.serialize(value, ctx));
}
@Test
void serializeAsMillisReturnsOffsetDateTimeAsTimeInMillisSinceEpochAtUtc() {
serializeDatetimeAsMillisSinceEpoch();
final OffsetDateTime value = OffsetDateTime.now();
serializeAndVerifyMillisResult(value, value.toInstant().toEpochMilli());
}
private void serializeDatetimeAsMillisSinceEpoch() {
final Configuration config = new Configuration();
config.set(ConfigParam.SERIALIZE_DATETIME_AS_MILLIS, Boolean.toString(true));
sut.configure(config);
}
private void serializeAndVerifyMillisResult(TemporalAccessor value, long expected) {
final SerializationContext<TemporalAccessor> ctx = Generator.serializationContext(value);
final JsonNode result = sut.serialize(value, ctx);
assertInstanceOf(NumericLiteralNode.class, result);
assertEquals(ctx.getAttributeId(), result.getName());
assertEquals(expected, ((NumericLiteralNode<Long>) result).getValue());
}
@Test
void serializeAsMillisReturnsLocalDateTimeAsTimeInMillisSinceEpochAtUtc() {
serializeDatetimeAsMillisSinceEpoch();
final LocalDateTime value = LocalDateTime.now();
serializeAndVerifyMillisResult(value, value.atOffset(DateTimeUtil.SYSTEM_OFFSET).toInstant().toEpochMilli());
}
@Test
void serializeAsMillisReturnsZonedDateTimeAsTimeInMillisSinceEpochAtUtc() {
serializeDatetimeAsMillisSinceEpoch();
final ZonedDateTime value = ZonedDateTime.now();
serializeAndVerifyMillisResult(value, value.toInstant().toEpochMilli());
}
@Test
void serializeLocalDateTimeUsesConfiguredDateTimeFormat() {
final String pattern = "dd/MM/yyyy hh:mm:ss";
final Configuration config = new Configuration();
config.set(ConfigParam.DATE_TIME_FORMAT, pattern);
final LocalDateTime value = LocalDateTime.now();
sut.configure(config);
final SerializationContext<TemporalAccessor> ctx = Generator.serializationContext(value);
final JsonNode result = sut.serialize(value, ctx);
assertInstanceOf(StringLiteralNode.class, result);
assertEquals(value.format(DateTimeFormatter.ofPattern(pattern)), ((StringLiteralNode) result).getValue());
}
}