Add Benin Holidays

composer.json

@@ -22,7 +22,8 @@
     "require": {
         "php": "^8.1",
         "nesbot/carbon": "^2.72.1",
-        "ext-calendar": "*"
+        "ext-calendar": "*",
+        "geniusts/hijri-dates": "^1.1"
     },
     "require-dev": {
         "laravel/prompts": "^0.1.15",

src/Countries/Benin.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Spatie\Holidays\Countries;
+
+use Carbon\Carbon;
+use Carbon\CarbonImmutable;
+use GeniusTS\HijriDate\Date;
+use GeniusTS\HijriDate\Hijri;
+
+class Benin extends Country
+{
+    public function countryCode(): string
+    {
+        return 'bj';
+    }
+
+    protected function allHolidays(int $year): array
+    {
+        return array_merge([
+            'Fête du Nouvel An' => '01-01',
+            'Fête annuelle des religions traditionnelles' => '01-10',
+            'Fête du travail' => '05-01',
+            'Fête de l\'indépendance' => '08-01',
+            'Jour de la Toussaint' => '11-01',
+            'Jour de Noël' => '12-25',
+            'Jour de l\'assomption' => '08-15',
+        ], $this->variableHolidays($year));
+    }
+
+    /** @return array<string, CarbonImmutable> */
+    protected function variableHolidays(int $year): array
+    {
+        $easter = CarbonImmutable::createFromTimestamp(easter_date($year))
+            ->setTimezone('Africa/Porto-Novo');
+
+        $hijriYear = Hijri::convertToHijri($easter->format('Y-m-d'))->year;
+
+        return [
+            'Lundi de Pâques' => $easter->addDays(1),
+            'Jour de l’Ascension' => $easter->addDays(40),
+            'Lundi de Pentecôte' => $easter->addDays(50),
+            /*
+             * Islamic holidays are based on the Hijri calendar and vary by a day or so.
+             */
+            'Jour du Maouloud' => Hijri::convertToGregorian(12, 3, $hijriYear)->toImmutable(),
+            'Fête du Ramadan' => Hijri::convertToGregorian(10, 1, $hijriYear)->toImmutable(),
+            'Fête de la Tabaski' => Hijri::convertToGregorian(12, 10, $hijriYear)->toImmutable(),
+        ];
+    }
+}

tests/.pest/snapshots/Countries/BeninTest/it_can_calculate_benin_holidays.snap

@@ -0,0 +1,54 @@
+[
+    {
+        "name": "F\u00eate du Ramadan",
+        "date": "2023-07-27"
+    },
+    {
+        "name": "Jour du Maouloud",
+        "date": "2023-09-26"
+    },
+    {
+        "name": "F\u00eate du Nouvel An",
+        "date": "2024-01-01"
+    },
+    {
+        "name": "F\u00eate annuelle des religions traditionnelles",
+        "date": "2024-01-10"
+    },
+    {
+        "name": "Lundi de P\u00e2ques",
+        "date": "2024-04-01"
+    },
+    {
+        "name": "F\u00eate de la Tabaski",
+        "date": "2024-04-20"
+    },
+    {
+        "name": "F\u00eate du travail",
+        "date": "2024-05-01"
+    },
+    {
+        "name": "Jour de l\u2019Ascension",
+        "date": "2024-05-10"
+    },
+    {
+        "name": "Lundi de Pentec\u00f4te",
+        "date": "2024-05-20"
+    },
+    {
+        "name": "F\u00eate de l'ind\u00e9pendance",
+        "date": "2024-08-01"
+    },
+    {
+        "name": "Jour de l'assomption",
+        "date": "2024-08-15"
+    },
+    {
+        "name": "Jour de la Toussaint",
+        "date": "2024-11-01"
+    },
+    {
+        "name": "Jour de No\u00ebl",
+        "date": "2024-12-25"
+    }
+]

tests/Countries/BeninTest.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Spatie\Holidays\Tests\Countries;
+
+use Carbon\CarbonImmutable;
+use Spatie\Holidays\Holidays;
+
+it('can calculate benin holidays', function () {
+    CarbonImmutable::setTestNowAndTimezone('2024-01-01');
+
+    $holidays = Holidays::for(country: 'bj')->get();
+
+    expect($holidays)
+        ->toBeArray()
+        ->not()->toBeEmpty();
+
+    expect(formatDates($holidays))->toMatchSnapshot();
+});