package com.baeldung.datetime; import static org.hamcrest.CoreMatchers.is; import static org.junit.Assert.assertThat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import org.junit.Before; import org.junit.Test; public class DateExtractYearMonthDayIntegerValuesUnitTest { DateExtractYearMonthDayIntegerValues extractYearMonthDateIntegerValues = new DateExtractYearMonthDayIntegerValues(); Date date; @Before public void setup() throws ParseException { date=new SimpleDateFormat("dd-MM-yyyy").parse("01-03-2018"); } @Test public void whenGetYear_thenCorrectYear() { int actualYear=extractYearMonthDateIntegerValues.getYear(date); assertThat(actualYear,is(2018)); } @Test public void whenGetMonth_thenCorrectMonth() { int actualMonth=extractYearMonthDateIntegerValues.getMonth(date); assertThat(actualMonth,is(02)); } @Test public void whenGetDay_thenCorrectDay() { int actualDayOfMonth=extractYearMonthDateIntegerValues.getDay(date); assertThat(actualDayOfMonth,is(01)); } }