Add International Womens Day to DE-MV (#311)

For the German state of Mecklenburg-Western Pomerania, International Womens Day is considered to be officially observed.

src/Yasumi/Provider/Germany/MecklenburgWesternPomerania.php

@@ -46,10 +46,22 @@ public function initialize(): void
     {
         parent::initialize();
 
+        if ($this->year >= 2023) {
+            $this->addHoliday($this->internationalWomensDay($this->year, $this->timezone, $this->locale));
+        }
+
         // Add custom Christian holidays
         $this->calculateReformationDay();
     }
 
+    public function getSources(): array
+    {
+        return array_merge(
+            ['https://www.ndr.de/nachrichten/mecklenburg-vorpommern/Frauentag-in-MV-Landtag-beschliesst-neuen-Feiertag,frauentag370.html'],
+            parent::getSources(),
+        );
+    }
+
     /**
      * For the German state of Mecklenburg-Western Pomerania, Reformation Day was celebrated since 1517.
      * Note: In 2017 all German states will celebrate Reformation Day for its 500th anniversary.

src/Yasumi/Yasumi.php

@@ -215,6 +215,7 @@ public static function getProviders(): array
             \FilesystemIterator::SKIP_DOTS
         ), \RecursiveIteratorIterator::SELF_FIRST);
 
+        /** @var \SplFileInfo $file */
         foreach ($filesIterator as $file) {
             if ($file->isDir()) {
                 continue;

tests/Germany/MecklenburgWesternPomerania/InternationalWomensDayTest.php

@@ -0,0 +1,103 @@
+<?php
+
+declare(strict_types=1);
+/*
+ * This file is part of the Yasumi package.
+ *
+ * Copyright (c) 2015 - 2023 AzuyaLabs
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @author Sacha Telgenhof <me at sachatelgenhof dot com>
+ */
+
+namespace Yasumi\tests\Germany\MecklenburgWesternPomerania;
+
+use Yasumi\Holiday;
+use Yasumi\tests\HolidayTestCase;
+
+/**
+ * Class containing tests for International Womens Day in Mecklenburg–Western Pomerania, Germany.
+ */
+class InternationalWomensDayTest extends MecklenburgWesternPomeraniaBaseTestCase implements HolidayTestCase
+{
+    /**
+     * The name of the holiday to be tested.
+     */
+    public const HOLIDAY = 'internationalWomensDay';
+
+    /**
+     * The year in which the holiday was established.
+     */
+    public const ESTABLISHMENT_YEAR = 2023;
+
+    /**
+     * Test the holiday defined in this test upon establishment.
+     *
+     * @throws \Exception
+     */
+    public function testHolidayOnEstablishment(): void
+    {
+        $this->assertHoliday(
+            self::REGION,
+            self::HOLIDAY,
+            self::ESTABLISHMENT_YEAR,
+            new \DateTime(self::ESTABLISHMENT_YEAR.'-03-08', new \DateTimeZone(self::TIMEZONE))
+        );
+    }
+
+    /**
+     * Test the holiday defined in this test before establishment.
+     *
+     * @throws \Exception
+     */
+    public function testHolidayBeforeEstablishment(): void
+    {
+        $this->assertNotHoliday(
+            self::REGION,
+            self::HOLIDAY,
+            $this->generateRandomYear(1000, self::ESTABLISHMENT_YEAR - 1)
+        );
+    }
+
+    /**
+     * Test the holiday defined in this test after completion.
+     *
+     * @throws \Exception
+     */
+    public function testHolidayAfterCompletion(): void
+    {
+        $this->assertNotHoliday(self::REGION, self::HOLIDAY, $this->generateRandomYear(1900, self::ESTABLISHMENT_YEAR - 1));
+    }
+
+    /**
+     * Tests the translated name of the holiday defined in this test.
+     *
+     * @throws \Exception
+     */
+    public function testTranslation(): void
+    {
+        $this->assertTranslatedHolidayName(
+            self::REGION,
+            self::HOLIDAY,
+            $this->generateRandomYear(self::ESTABLISHMENT_YEAR, self::ESTABLISHMENT_YEAR),
+            [self::LOCALE => 'Internationaler Frauentag']
+        );
+    }
+
+    /**
+     * Tests type of the holiday defined in this test.
+     *
+     * @throws \Exception
+     */
+    public function testHolidayType(): void
+    {
+        $this->assertHolidayType(
+            self::REGION,
+            self::HOLIDAY,
+            $this->generateRandomYear(self::ESTABLISHMENT_YEAR, self::ESTABLISHMENT_YEAR),
+            Holiday::TYPE_OFFICIAL
+        );
+    }
+}

tests/Germany/MecklenburgWesternPomerania/MecklenburgWesternPomeraniaTest.php

@@ -102,6 +102,6 @@ public function testOtherHolidays(): void
      */
     public function testSources(): void
     {
-        $this->assertSources(self::REGION, 2);
+        $this->assertSources(self::REGION, 3);
     }
 }