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[BAEL-8456] - Moved Java Date articles into a new module - 'java-dates'

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This commit is contained in:
amit2103
2018-08-25 17:44:06 +05:30
parent f60debdcd3
commit 3bd1ed4ece
67 changed files with 177 additions and 28 deletions
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89
java-dates/src/test/java/com/baeldung/java9/datetime/DateToLocalDateConverterUnitTest.java Normal file
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/**
*
*/
package com.baeldung.java9.datetime;
import static org.junit.Assert.assertEquals;
import java.time.LocalDate;
import java.time.temporal.ChronoField;
import java.util.Calendar;
import java.util.Date;
import org.junit.Test;
import com.baeldung.java9.datetime.DateToLocalDateConverter;
/**
* JUnits for {@link DateToLocalDateConverter} class.
*
* @author abialas
*
*/
public class DateToLocalDateConverterUnitTest {
@Test
public void shouldReturn10thNovember2010WhenConvertViaInstant() {
// given
Calendar calendar = Calendar.getInstance();
calendar.set(2010, 10, 10);
Date dateToConvert = calendar.getTime();
// when
LocalDate localDate = DateToLocalDateConverter.convertToLocalDateViaInstant(dateToConvert);
// then
assertEquals(2010, localDate.get(ChronoField.YEAR));
assertEquals(11, localDate.get(ChronoField.MONTH_OF_YEAR));
assertEquals(10, localDate.get(ChronoField.DAY_OF_MONTH));
}
@Test
public void shouldReturn10thNovember2010WhenConvertViaMiliseconds() {
// given
Calendar calendar = Calendar.getInstance();
calendar.set(2010, 10, 10);
Date dateToConvert = calendar.getTime();
// when
LocalDate localDate = DateToLocalDateConverter.convertToLocalDateViaMilisecond(dateToConvert);
// then
assertEquals(2010, localDate.get(ChronoField.YEAR));
assertEquals(11, localDate.get(ChronoField.MONTH_OF_YEAR));
assertEquals(10, localDate.get(ChronoField.DAY_OF_MONTH));
}
@Test
public void shouldReturn10thNovember2010WhenConvertViaSqlDate() {
// given
Calendar calendar = Calendar.getInstance();
calendar.set(2010, 10, 10);
Date dateToConvert = calendar.getTime();
// when
LocalDate localDate = DateToLocalDateConverter.convertToLocalDateViaSqlDate(dateToConvert);
// then
assertEquals(2010, localDate.get(ChronoField.YEAR));
assertEquals(11, localDate.get(ChronoField.MONTH_OF_YEAR));
assertEquals(10, localDate.get(ChronoField.DAY_OF_MONTH));
}
@Test
public void shouldReturn10thNovember2010WhenConvertToLocalDate() {
// given
Calendar calendar = Calendar.getInstance();
calendar.set(2010, 10, 10);
Date dateToConvert = calendar.getTime();
// when
LocalDate localDateTime = DateToLocalDateConverter.convertToLocalDate(dateToConvert);
// then
assertEquals(2010, localDateTime.get(ChronoField.YEAR));
assertEquals(11, localDateTime.get(ChronoField.MONTH_OF_YEAR));
assertEquals(10, localDateTime.get(ChronoField.DAY_OF_MONTH));
}
}

97
java-dates/src/test/java/com/baeldung/java9/datetime/DateToLocalDateTimeConverterUnitTest.java Normal file
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/**
*
*/
package com.baeldung.java9.datetime;
import static org.junit.Assert.assertEquals;
import java.time.LocalDateTime;
import java.time.temporal.ChronoField;
import java.util.Calendar;
import java.util.Date;
import org.junit.Test;
import com.baeldung.java9.datetime.DateToLocalDateTimeConverter;
/**
* JUnits for {@link DateToLocalDateTimeConverter} class.
*
* @author abialas
*
*/
public class DateToLocalDateTimeConverterUnitTest {
@Test
public void shouldReturn10thNovember2010time8hour20minWhenConvertViaInstant() {
// given
Calendar calendar = Calendar.getInstance();
calendar.set(2010, 10, 10, 8, 20);
Date dateToConvert = calendar.getTime();
// when
LocalDateTime localDateTime = DateToLocalDateTimeConverter.convertToLocalDateTimeViaInstant(dateToConvert);
// then
assertEquals(2010, localDateTime.get(ChronoField.YEAR));
assertEquals(11, localDateTime.get(ChronoField.MONTH_OF_YEAR));
assertEquals(10, localDateTime.get(ChronoField.DAY_OF_MONTH));
assertEquals(8, localDateTime.get(ChronoField.HOUR_OF_DAY));
assertEquals(20, localDateTime.get(ChronoField.MINUTE_OF_HOUR));
}
@Test
public void shouldReturn10thNovember2010time8hour20minWhenConvertViaMiliseconds() {
// given
Calendar calendar = Calendar.getInstance();
calendar.set(2010, 10, 10, 8, 20);
Date dateToConvert = calendar.getTime();
// when
LocalDateTime localDateTime = DateToLocalDateTimeConverter.convertToLocalDateTimeViaMilisecond(dateToConvert);
// then
assertEquals(2010, localDateTime.get(ChronoField.YEAR));
assertEquals(11, localDateTime.get(ChronoField.MONTH_OF_YEAR));
assertEquals(10, localDateTime.get(ChronoField.DAY_OF_MONTH));
assertEquals(8, localDateTime.get(ChronoField.HOUR_OF_DAY));
assertEquals(20, localDateTime.get(ChronoField.MINUTE_OF_HOUR));
}
@Test
public void shouldReturn10thNovember2010time8hour20minWhenConvertViaSqlTimestamp() {
// given
Calendar calendar = Calendar.getInstance();
calendar.set(2010, 10, 10, 8, 20);
Date dateToConvert = calendar.getTime();
// when
LocalDateTime localDateTime = DateToLocalDateTimeConverter.convertToLocalDateTimeViaSqlTimestamp(dateToConvert);
// then
assertEquals(2010, localDateTime.get(ChronoField.YEAR));
assertEquals(11, localDateTime.get(ChronoField.MONTH_OF_YEAR));
assertEquals(10, localDateTime.get(ChronoField.DAY_OF_MONTH));
assertEquals(8, localDateTime.get(ChronoField.HOUR_OF_DAY));
assertEquals(20, localDateTime.get(ChronoField.MINUTE_OF_HOUR));
}
@Test
public void shouldReturn10thNovember2010time8hour20minWhenConvertToLocalDateTime() {
// given
Calendar calendar = Calendar.getInstance();
calendar.set(2010, 10, 10, 8, 20);
Date dateToConvert = calendar.getTime();
// when
LocalDateTime localDateTime = DateToLocalDateTimeConverter.convertToLocalDateTime(dateToConvert);
// then
assertEquals(2010, localDateTime.get(ChronoField.YEAR));
assertEquals(11, localDateTime.get(ChronoField.MONTH_OF_YEAR));
assertEquals(10, localDateTime.get(ChronoField.DAY_OF_MONTH));
assertEquals(8, localDateTime.get(ChronoField.HOUR_OF_DAY));
assertEquals(20, localDateTime.get(ChronoField.MINUTE_OF_HOUR));
}
}

61
java-dates/src/test/java/com/baeldung/java9/datetime/LocalDateTimeToDateConverterUnitTest.java Normal file
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/**
*
*/
package com.baeldung.java9.datetime;
import static org.junit.Assert.assertEquals;
import java.time.LocalDateTime;
import java.util.Calendar;
import java.util.Date;
import org.junit.Test;
/**
*
* JUnits for {@link LocalDateTimeToDateConverter} class.
*
* @author abialas
*
*/
public class LocalDateTimeToDateConverterUnitTest {
@Test
public void shouldReturn10thNovember2010time8hour20minWhenConvertViaInstant() {
// given
LocalDateTime dateToConvert = LocalDateTime.of(2010, 11, 10, 8, 20);
// when
Date date = LocalDateTimeToDateConverter.convertToDateViaInstant(dateToConvert);
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
// then
assertEquals(2010, calendar.get(Calendar.YEAR));
assertEquals(10, calendar.get(Calendar.MONTH));
assertEquals(10, calendar.get(Calendar.DAY_OF_MONTH));
assertEquals(8, calendar.get(Calendar.HOUR));
assertEquals(20, calendar.get(Calendar.MINUTE));
assertEquals(0, calendar.get(Calendar.SECOND));
}
@Test
public void shouldReturn10thNovember2010WhenConvertViaSqlTimestamp() {
// given
LocalDateTime dateToConvert = LocalDateTime.of(2010, 11, 10, 8, 20);
// when
Date date = LocalDateTimeToDateConverter.convertToDateViaSqlTimestamp(dateToConvert);
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
// then
assertEquals(2010, calendar.get(Calendar.YEAR));
assertEquals(10, calendar.get(Calendar.MONTH));
assertEquals(10, calendar.get(Calendar.DAY_OF_MONTH));
assertEquals(8, calendar.get(Calendar.HOUR));
assertEquals(20, calendar.get(Calendar.MINUTE));
assertEquals(0, calendar.get(Calendar.SECOND));
}
}

55
java-dates/src/test/java/com/baeldung/java9/datetime/LocalDateToDateConverterUnitTest.java Normal file
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/**
*
*/
package com.baeldung.java9.datetime;
import static org.junit.Assert.assertEquals;
import java.time.LocalDate;
import java.util.Calendar;
import java.util.Date;
import org.junit.Test;
/**
*
* JUnits for {@link LocalDateToDateConverter} class.
*
* @author abialas
*
*/
public class LocalDateToDateConverterUnitTest {
@Test
public void shouldReturn10thNovember2010WhenConvertViaInstant() {
// given
LocalDate dateToConvert = LocalDate.of(2010, 11, 10);
// when
Date date = LocalDateToDateConverter.convertToDateViaInstant(dateToConvert);
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
// then
assertEquals(2010, calendar.get(Calendar.YEAR));
assertEquals(10, calendar.get(Calendar.MONTH));
assertEquals(10, calendar.get(Calendar.DAY_OF_MONTH));
}
@Test
public void shouldReturn10thNovember2010WhenConvertViaSqlDate() {
// given
LocalDate dateToConvert = LocalDate.of(2010, 11, 10);
// when
Date date = LocalDateToDateConverter.convertToDateViaSqlDate(dateToConvert);
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
// then
assertEquals(2010, calendar.get(Calendar.YEAR));
assertEquals(10, calendar.get(Calendar.MONTH));
assertEquals(10, calendar.get(Calendar.DAY_OF_MONTH));
}
}

58
java-dates/src/test/java/com/baeldung/java9/time/TimeApiUnitTest.java Normal file
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package com.baeldung.java9.time;
import java.time.LocalDate;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class TimeApiUnitTest {
@Test
public void givenGetDatesBetweenWithUsingJava7_WhenStartEndDate_thenDatesList() {
Date startDate = Calendar.getInstance().getTime();
Calendar endCalendar = Calendar.getInstance();
endCalendar.add(Calendar.DATE, 2);
Date endDate = endCalendar.getTime();
List<Date> dates = TimeApi.getDatesBetweenUsingJava7(startDate, endDate);
assertEquals(dates.size(), 3);
Calendar calendar = Calendar.getInstance();
Date date1 = calendar.getTime();
assertEquals(dates.get(0).getDay(), date1.getDay());
assertEquals(dates.get(0).getMonth(), date1.getMonth());
assertEquals(dates.get(0).getYear(), date1.getYear());
calendar.add(Calendar.DATE, 1);
Date date2 = calendar.getTime();
assertEquals(dates.get(1).getDay(), date2.getDay());
assertEquals(dates.get(1).getMonth(), date2.getMonth());
assertEquals(dates.get(1).getYear(), date2.getYear());
}
@Test
public void givenGetDatesBetweenWithUsingJava8_WhenStartEndDate_thenDatesList() {
LocalDate startDate = LocalDate.now();
LocalDate endDate = LocalDate.now().plusDays(2);
List<LocalDate> dates = TimeApi.getDatesBetweenUsingJava8(startDate, endDate);
assertEquals(dates.size(), 2);
assertEquals(dates.get(0), LocalDate.now());
assertEquals(dates.get(1), LocalDate.now().plusDays(1));
}
@Test
public void givenGetDatesBetweenWithUsingJava9_WhenStartEndDate_thenDatesList() {
LocalDate startDate = LocalDate.now();
LocalDate endDate = LocalDate.now().plusDays(2);
List<LocalDate> dates = TimeApi.getDatesBetweenUsingJava9(startDate, endDate);
assertEquals(dates.size(), 2);
assertEquals(dates.get(0), LocalDate.now());
assertEquals(dates.get(1), LocalDate.now().plusDays(1));
}
}