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

2018-08-25 17:44:06 +05:30
parent f60debdcd3
commit 3bd1ed4ece
67 changed files with 177 additions and 28 deletions
--- a/java-dates/src/test/java/com/baeldung/datetime/UseLocalDateUnitTest.java
+++ b/java-dates/src/test/java/com/baeldung/datetime/UseLocalDateUnitTest.java
@@ -0,0 +1,91 @@
+package com.baeldung.datetime;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertEquals;
+
+import java.time.DayOfWeek;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+
+import org.junit.Test;
+
+public class UseLocalDateUnitTest {
+
+    UseLocalDate useLocalDate = new UseLocalDate();
+
+    @Test
+    public void givenValues_whenUsingFactoryOf_thenLocalDate() {
+        assertEquals("2016-05-10", useLocalDate.getLocalDateUsingFactoryOfMethod(2016, 5, 10)
+            .toString());
+    }
+
+    @Test
+    public void givenString_whenUsingParse_thenLocalDate() {
+        assertEquals("2016-05-10", useLocalDate.getLocalDateUsingParseMethod("2016-05-10")
+            .toString());
+    }
+
+    @Test
+    public void whenUsingClock_thenLocalDate() {
+        assertEquals(LocalDate.now(), useLocalDate.getLocalDateFromClock());
+    }
+
+    @Test
+    public void givenDate_whenUsingPlus_thenNextDay() {
+        assertEquals(LocalDate.now()
+            .plusDays(1), useLocalDate.getNextDay(LocalDate.now()));
+    }
+
+    @Test
+    public void givenDate_whenUsingMinus_thenPreviousDay() {
+        assertEquals(LocalDate.now()
+            .minusDays(1), useLocalDate.getPreviousDay(LocalDate.now()));
+    }
+
+    @Test
+    public void givenToday_whenUsingGetDayOfWeek_thenDayOfWeek() {
+        assertEquals(DayOfWeek.SUNDAY, useLocalDate.getDayOfWeek(LocalDate.parse("2016-05-22")));
+    }
+
+    @Test
+    public void givenToday_whenUsingWithTemporalAdjuster_thenFirstDayOfMonth() {
+        assertEquals(1, useLocalDate.getFirstDayOfMonth()
+            .getDayOfMonth());
+    }
+
+    @Test
+    public void givenLocalDate_whenUsingAtStartOfDay_thenReturnMidnight() {
+        assertEquals(LocalDateTime.parse("2016-05-22T00:00:00"), useLocalDate.getStartOfDay(LocalDate.parse("2016-05-22")));
+    }
+
+    @Test
+    public void givenLocalDate_whenSettingStartOfDay_thenReturnMidnightInAllCases() {
+        LocalDate given = LocalDate.parse("2018-06-23");
+
+        LocalDateTime startOfDayWithMethod = useLocalDate.getStartOfDay(given);
+        LocalDateTime startOfDayOfLocalDate = useLocalDate.getStartOfDayOfLocalDate(given);
+        LocalDateTime startOfDayWithMin = useLocalDate.getStartOfDayAtMinTime(given);
+        LocalDateTime startOfDayWithMidnight = useLocalDate.getStartOfDayAtMidnightTime(given);
+
+        assertThat(startOfDayWithMethod).isEqualTo(startOfDayWithMin)
+            .isEqualTo(startOfDayWithMidnight)
+            .isEqualTo(startOfDayOfLocalDate)
+            .isEqualTo(LocalDateTime.parse("2018-06-23T00:00:00"));
+        assertThat(startOfDayWithMin.toLocalTime()).isEqualTo(LocalTime.MIDNIGHT);
+        assertThat(startOfDayWithMin.toString()).isEqualTo("2018-06-23T00:00");
+    }
+
+    @Test
+    public void givenLocalDate_whenSettingEndOfDay_thenReturnLastMomentOfDay() {
+        LocalDate given = LocalDate.parse("2018-06-23");
+
+        LocalDateTime endOfDayWithMax = useLocalDate.getEndOfDay(given);
+        LocalDateTime endOfDayFromLocalTime = useLocalDate.getEndOfDayFromLocalTime(given);
+
+        assertThat(endOfDayWithMax).isEqualTo(endOfDayFromLocalTime);
+        assertThat(endOfDayWithMax.toLocalTime()).isEqualTo(LocalTime.MAX);
+        assertThat(endOfDayWithMax.toString()).isEqualTo("2018-06-23T23:59:59.999999999");
+    }
+
+}