BAEL-1892 Get Integer Values from Date

-Added classes to show case how to extract values from classes Date and Calendar, and LocalDate, LocalDateTime, ZonedDateTime and OffSetDateTime -Added unit test cases for all classes
2018-06-26 01:05:03 +05:30
parent 287d0a062a
commit 08b589e8f6
10 changed files with 289 additions and 0 deletions
@@ -0,0 +1,45 @@
+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));
+    }
+}
@@ -0,0 +1,36 @@
+package com.baeldung.datetime;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+import java.time.LocalDate;
+
+import org.junit.Test;
+
+public class LocalDateExtractYearMonthDayIntegerValuesUnitTest {
+
+    LocalDateExtractYearMonthDayIntegerValues localDateExtractYearMonthDayIntegerValues=new LocalDateExtractYearMonthDayIntegerValues();
+    
+    LocalDate localDate=LocalDate.parse("2007-12-03");
+    
+    @Test
+    public void whenGetYear_thenCorrectYear()
+    {
+       int actualYear=localDateExtractYearMonthDayIntegerValues.getYear(localDate);
+       assertThat(actualYear,is(2007));
+    }
+    
+    @Test
+    public void whenGetMonth_thenCorrectMonth()
+    {
+       int actualMonth=localDateExtractYearMonthDayIntegerValues.getMonth(localDate);
+       assertThat(actualMonth,is(12));
+    }
+    
+    @Test
+    public void whenGetDay_thenCorrectDay()
+    {
+       int actualDayOfMonth=localDateExtractYearMonthDayIntegerValues.getDay(localDate);
+       assertThat(actualDayOfMonth,is(03));
+    }
+}
@@ -0,0 +1,36 @@
+package com.baeldung.datetime;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+import java.time.LocalDateTime;
+
+import org.junit.Test;
+
+public class LocalDateTimeExtractYearMonthDayIntegerValuesUnitTest {
+
+    LocalDateTimeExtractYearMonthDayIntegerValues localDateTimeExtractYearMonthDayIntegerValues = new LocalDateTimeExtractYearMonthDayIntegerValues();
+    
+    LocalDateTime localDateTime=LocalDateTime.parse("2007-12-03T10:15:30");
+    
+    @Test
+    public void whenGetYear_thenCorrectYear()
+    {
+       int actualYear=localDateTimeExtractYearMonthDayIntegerValues.getYear(localDateTime);
+       assertThat(actualYear,is(2007));
+    }
+    
+    @Test
+    public void whenGetMonth_thenCorrectMonth()
+    {
+       int actualMonth=localDateTimeExtractYearMonthDayIntegerValues.getMonth(localDateTime);
+       assertThat(actualMonth,is(12));
+    }
+    
+    @Test
+    public void whenGetDay_thenCorrectDay()
+    {
+       int actualDayOfMonth=localDateTimeExtractYearMonthDayIntegerValues.getDay(localDateTime);
+       assertThat(actualDayOfMonth,is(03));
+    }
+}
@@ -0,0 +1,36 @@
+package com.baeldung.datetime;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+import java.time.OffsetDateTime;
+
+import org.junit.Test;
+
+public class OffsetDateTimeExtractYearMonthDayIntegerValuesUnitTest {
+
+    OffsetDateTimeExtractYearMonthDayIntegerValues offsetDateTimeExtractYearMonthDayIntegerValues = new OffsetDateTimeExtractYearMonthDayIntegerValues();
+    
+    OffsetDateTime offsetDateTime=OffsetDateTime.parse("2007-12-03T10:15:30+01:00");
+    
+    @Test
+    public void whenGetYear_thenCorrectYear()
+    {
+       int actualYear=offsetDateTimeExtractYearMonthDayIntegerValues.getYear(offsetDateTime);
+       assertThat(actualYear,is(2007));
+    }
+    
+    @Test
+    public void whenGetMonth_thenCorrectMonth()
+    {
+       int actualMonth=offsetDateTimeExtractYearMonthDayIntegerValues.getMonth(offsetDateTime);
+       assertThat(actualMonth,is(12));
+    }
+    
+    @Test
+    public void whenGetDay_thenCorrectDay()
+    {
+       int actualDayOfMonth=offsetDateTimeExtractYearMonthDayIntegerValues.getDay(offsetDateTime);
+       assertThat(actualDayOfMonth,is(03));
+    }
+}
@@ -0,0 +1,36 @@
+package com.baeldung.datetime;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+import java.time.ZonedDateTime;
+
+import org.junit.Test;
+
+public class ZonedDateTimeExtractYearMonthDayIntegerValuesUnitTest {
+
+    ZonedDateTimeExtractYearMonthDayIntegerValues zonedDateTimeExtractYearMonthDayIntegerValues = new ZonedDateTimeExtractYearMonthDayIntegerValues();
+    
+    ZonedDateTime zonedDateTime=ZonedDateTime.parse("2007-12-03T10:15:30+01:00");
+    
+    @Test
+    public void whenGetYear_thenCorrectYear()
+    {
+       int actualYear=zonedDateTimeExtractYearMonthDayIntegerValues.getYear(zonedDateTime);
+       assertThat(actualYear,is(2007));
+    }
+    
+    @Test
+    public void whenGetMonth_thenCorrectMonth()
+    {
+       int actualMonth=zonedDateTimeExtractYearMonthDayIntegerValues.getMonth(zonedDateTime);
+       assertThat(actualMonth,is(12));
+    }
+    
+    @Test
+    public void whenGetDay_thenCorrectDay()
+    {
+       int actualDayOfMonth=zonedDateTimeExtractYearMonthDayIntegerValues.getDay(zonedDateTime);
+       assertThat(actualDayOfMonth,is(03));
+    }
+}