Repository: focus-shift/jollyday (java)

Issue:
Poland: Christmas Eve starting with 2025
### Affected country

Poland

### Affected public holiday

Christmas Eve

### Source of the information

https://polanddaily24.com/christmas-eve-declared-a-public-holiday-in-poland-changes-effective-next-year/lifestyle/48678

### More information

https://www.polskieradio.pl/395/7784/Artykul/3464393,christmas-eve-officially-a-day-off-in-poland-from-2025

Pull request:
poland: add christmas eve starting from 2025
closes #723

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Patch:
diff --git a/jollyday-core/src/main/resources/holidays/Holidays_pl.xml b/jollyday-core/src/main/resources/holidays/Holidays_pl.xml
index 74507da6..4b876a39 100644
--- a/jollyday-core/src/main/resources/holidays/Holidays_pl.xml
+++ b/jollyday-core/src/main/resources/holidays/Holidays_pl.xml
@@ -12,6 +12,7 @@
     <Fixed month="AUGUST" day="15" descriptionPropertiesKey="ASSUMPTION_DAY"/>
     <Fixed month="NOVEMBER" day="1" descriptionPropertiesKey="ALL_SAINTS"/>
     <Fixed month="NOVEMBER" day="11" descriptionPropertiesKey="INDEPENDENCE_DAY"/>
+    <Fixed month="DECEMBER" day="24" validFrom="2025" descriptionPropertiesKey="CHRISTMAS_EVE"/>
     <Fixed month="DECEMBER" day="25" descriptionPropertiesKey="CHRISTMAS"/>
     <Fixed month="DECEMBER" day="26" descriptionPropertiesKey="STEPHENS"/>
     <ChristianHoliday type="EASTER" descriptionPropertiesKey="christian.EASTER"/>


Test patch:
diff --git a/jollyday-tests/src/test/java/de/focus_shift/jollyday/tests/country/HolidayPLTest.java b/jollyday-tests/src/test/java/de/focus_shift/jollyday/tests/country/HolidayPLTest.java
new file mode 100644
index 00000000..ab6e95d8
--- /dev/null
+++ b/jollyday-tests/src/test/java/de/focus_shift/jollyday/tests/country/HolidayPLTest.java
@@ -0,0 +1,39 @@
+package de.focus_shift.jollyday.tests.country;
+
+import org.junit.jupiter.api.Test;
+
+import java.time.Year;
+
+import static de.focus_shift.jollyday.core.HolidayCalendar.POLAND;
+import static de.focus_shift.jollyday.tests.CalendarCheckerApi.assertFor;
+import static java.time.Month.AUGUST;
+import static java.time.Month.DECEMBER;
+import static java.time.Month.JANUARY;
+import static java.time.Month.MAY;
+import static java.time.Month.NOVEMBER;
+
+class HolidayPLTest {
+
+  @Test
+  void ensuresHolidays() {
+    assertFor(POLAND)
+      .hasFixedHoliday("NEW_YEAR", JANUARY,1).and()
+      .hasFixedHoliday("EPIPHANY", JANUARY,6).and()
+      .hasFixedHoliday("LABOUR_DAY", MAY,1).and()
+      .hasFixedHoliday("CONSTITUTION_DAY", MAY,3).and()
+      .hasFixedHoliday("ASSUMPTION_DAY", AUGUST,15).and()
+      .hasFixedHoliday("ALL_SAINTS", NOVEMBER,1).and()
+      .hasFixedHoliday("INDEPENDENCE_DAY", NOVEMBER,11).and()
+      .hasFixedHoliday("CHRISTMAS_EVE", DECEMBER,24)
+        .notBetween(Year.of(1900), Year.of(2024))
+        .between(Year.of(2025), Year.of(2500))
+      .and()
+      .hasFixedHoliday("CHRISTMAS", DECEMBER,25).and()
+      .hasFixedHoliday("STEPHENS", DECEMBER,26).and()
+      .hasChristianHoliday("EASTER").and()
+      .hasChristianHoliday("EASTER_MONDAY").and()
+      .hasChristianHoliday("PENTECOST").and()
+      .hasChristianHoliday("CORPUS_CHRISTI")
+      .check();
+  }
+}