Added Christmas Day.

src/Yasumi/Provider/Ireland.php

@@ -51,8 +51,7 @@ public function initialize()
         $this->addHoliday($this->easterMonday($this->year, $this->timezone, $this->locale));
         $this->addHoliday($this->pentecost($this->year, $this->timezone, $this->locale, Holiday::TYPE_OBSERVANCE));
         $this->calculatePentecostMonday();
-
-        //$this->addHoliday($this->christmasDay($this->year, $this->timezone, $this->locale));
+        $this->calculateChristmasDay();
         //$this->addHoliday($this->secondChristmasDay($this->year, $this->timezone, $this->locale));
 
         // Calculate other holidays
@@ -207,4 +206,30 @@ public function calculateOctoberHoliday()
             ['en_IE' => 'October Holiday', 'ga_IE' => 'Lá Saoire i mí Dheireadh Fómhair'],
             new DateTime("previous monday $this->year-11-01", new DateTimeZone($this->timezone)), $this->locale));
     }
+
+    /**
+     * Christmas Day.
+     *
+     * Most people in Ireland start Christmas celebrations on Christmas Eve (Oíche Nollag), including taking time
+     * off work.
+     *
+     * @link http://www.irishstatutebook.ie/eli/1973/act/25/schedule/1/enacted/en/html#sched1
+     */
+    public function calculateChristmasDay()
+    {
+        $holiday = new Holiday('christmasDay', ['en_IE' => 'Christmas Day', 'ga_IE' => 'Lá Nollag'],
+            new DateTime($this->year . '-12-25', new DateTimeZone($this->timezone)), $this->locale);
+
+        $this->addHoliday($holiday);
+
+        // Whenever Christmas Day does not fall on a weekday, the Tuesday following on it shall be a public holiday.
+        if (in_array($holiday->format('w'), [0, 6])) {
+            $substituteHoliday = clone $holiday;
+            $substituteHoliday->modify('next tuesday');
+
+            $this->addHoliday(new Holiday('substituteHoliday:' . $substituteHoliday->shortName, [
+                'en_IE' => $substituteHoliday->getName() . ' observed',
+            ], $substituteHoliday, $this->locale));
+        }
+    }
 }

tests/Ireland/ChristmasDayTest.php

@@ -0,0 +1,85 @@
+<?php
+/**
+ *  This file is part of the Yasumi package.
+ *
+ *  Copyright (c) 2015 - 2016 AzuyaLabs
+ *
+ *  For the full copyright and license information, please view the LICENSE
+ *  file that was distributed with this source code.
+ *
+ * @author Sacha Telgenhof <[email protected]>
+ */
+
+namespace Yasumi\tests\Ireland;
+
+use DateTime;
+use DateTimeZone;
+use Yasumi\Holiday;
+use Yasumi\tests\YasumiTestCaseInterface;
+
+/**
+ * Class containing tests for Christmas Day in Ireland.
+ */
+class ChristmasDayTest extends IrelandBaseTestCase implements YasumiTestCaseInterface
+{
+    /**
+     * The name of the holiday to be tested
+     */
+    const HOLIDAY = 'christmasDay';
+
+    /**
+     * Tests the holiday defined in this test.
+     *
+     * @dataProvider HolidayDataProvider
+     *
+     * @param int       $year     the year for which the holiday defined in this test needs to be tested
+     * @param \DateTime $expected the expected date
+     */
+    public function testHoliday($year, $expected)
+    {
+        $date = new DateTime($expected, new DateTimeZone(self::TIMEZONE));
+        $this->assertHoliday(self::REGION, self::HOLIDAY, $year, $date);
+
+        if (in_array($date->format('w'), [0, 6])) {
+            $date->modify('next tuesday');
+            $this->assertHoliday(self::REGION, 'substituteHoliday:' . self::HOLIDAY, $year, $date);
+        }
+    }
+
+    /**
+     * Returns a list of random test dates used for assertion of the holiday defined in this test
+     *
+     * @return array list of test dates for the holiday defined in this test
+     */
+    public function HolidayDataProvider()
+    {
+        $data = [];
+
+        for ($y = 0; $y < self::TEST_ITERATIONS; $y++) {
+            $year   = $this->generateRandomYear();
+            $date   = new DateTime("$year-12-25", new DateTimeZone(self::TIMEZONE));
+            $data[] = [$year, $date->format('Y-m-d')];
+        }
+
+        return $data;
+    }
+
+    /**
+     * Tests translated name of the holiday defined in this test.
+     */
+    public function testTranslation()
+    {
+        $this->assertTranslatedHolidayName(self::REGION, self::HOLIDAY, $this->generateRandomYear(),
+            [self::LOCALE => 'Christmas Day']);
+        $this->assertTranslatedHolidayName(self::REGION, self::HOLIDAY, $this->generateRandomYear(),
+            ['ga_IE' => 'Lá Nollag']);
+    }
+
+    /**
+     * Tests type of the holiday defined in this test.
+     */
+    public function testHolidayType()
+    {
+        $this->assertHolidayType(self::REGION, self::HOLIDAY, $this->generateRandomYear(), Holiday::TYPE_NATIONAL);
+    }
+}

tests/Ireland/IrelandTest.php

@@ -29,7 +29,7 @@ class IrelandTest extends IrelandBaseTestCase
      */
     public function testNationalHolidays()
     {
-        $nationalHolidays = ['easter', 'easterMonday', 'augustHoliday'];
+        $nationalHolidays = ['easter', 'easterMonday', 'augustHoliday', 'christmasDay'];
         if ($this->year >= 1974) {
             $nationalHolidays[] = 'newYearsDay';
             $nationalHolidays[] = 'juneHoliday';