/*
* Copyright 2015-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.convert;
import static org.assertj.core.api.Assertions.*;
import static org.threeten.bp.DateTimeUtils.*;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.junit.Test;
import org.springframework.core.convert.ConversionService;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.support.GenericConversionService;
import org.threeten.bp.Instant;
import org.threeten.bp.LocalDate;
import org.threeten.bp.LocalDateTime;
import org.threeten.bp.LocalTime;
import org.threeten.bp.ZoneId;
/**
* Unit tests for {@link ThreeTenBackPortConverters}.
*
* @author Oliver Gierke
* @since 1.10
*/
public class ThreeTenBackPortConvertersUnitTests {
static final Date NOW = new Date();
static final ConversionService CONVERSION_SERVICE;
static {
GenericConversionService conversionService = new GenericConversionService();
for (Converter<?, ?> converter : ThreeTenBackPortConverters.getConvertersToRegister()) {
conversionService.addConverter(converter);
}
CONVERSION_SERVICE = conversionService;
}
@Test // DATACMNS-606
public void convertsDateToLocalDateTime() {
assertThat(CONVERSION_SERVICE.convert(NOW, LocalDateTime.class).toString())
.isEqualTo(format(NOW, "yyyy-MM-dd'T'HH:mm:ss.SSS"));
}
@Test // DATACMNS-606
public void convertsLocalDateTimeToDate() {
LocalDateTime now = LocalDateTime.now();
assertThat(format(CONVERSION_SERVICE.convert(now, Date.class), "yyyy-MM-dd'T'HH:mm:ss.SSS"))
.isEqualTo(now.toString());
}
@Test // DATACMNS-606
public void convertsDateToLocalDate() {
assertThat(CONVERSION_SERVICE.convert(NOW, LocalDate.class).toString()).isEqualTo(format(NOW, "yyyy-MM-dd"));
}
@Test // DATACMNS-606
public void convertsLocalDateToDate() {
LocalDate now = LocalDate.now();
assertThat(format(CONVERSION_SERVICE.convert(now, Date.class), "yyyy-MM-dd")).isEqualTo(now.toString());
}
@Test // DATACMNS-606
public void convertsDateToLocalTime() {
assertThat(CONVERSION_SERVICE.convert(NOW, LocalTime.class).toString()).isEqualTo(format(NOW, "HH:mm:ss.SSS"));
}
@Test // DATACMNS-606
public void convertsLocalTimeToDate() {
LocalTime now = LocalTime.now();
assertThat(format(CONVERSION_SERVICE.convert(now, Date.class), "HH:mm:ss.SSS")).isEqualTo(now.toString());
}
@Test // DATACMNS-623
public void convertsDateToInstant() {
Date now = new Date();
assertThat(CONVERSION_SERVICE.convert(now, Instant.class)).isEqualTo(toInstant(now));
}
@Test // DATACMNS-623
public void convertsInstantToDate() {
Date now = new Date();
assertThat(CONVERSION_SERVICE.convert(toInstant(now), Date.class)).isEqualTo(now);
}
@Test
public void convertsZoneIdToStringAndBack() {
Map<String, ZoneId> ids = new HashMap<>();
ids.put("Europe/Berlin", ZoneId.of("Europe/Berlin"));
ids.put("+06:00", ZoneId.of("+06:00"));
for (Entry<String, ZoneId> entry : ids.entrySet()) {
assertThat(CONVERSION_SERVICE.convert(entry.getValue(), String.class)).isEqualTo(entry.getKey());
assertThat(CONVERSION_SERVICE.convert(entry.getKey(), ZoneId.class)).isEqualTo(entry.getValue());
}
}
private static String format(Date date, String format) {
return new SimpleDateFormat(format).format(date);
}
}