Add Peru holidays (#54)

* Adds Peru holidays

* Adds Peru holidays

* Use $this->easter factory and remoce comments on allHolidays method

src/Countries/Peru.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Spatie\Holidays\Countries;
+
+use Carbon\CarbonImmutable;
+
+class Peru extends Country
+{
+    public function countryCode(): string
+    {
+        return 'pe';
+    }
+
+    protected function allHolidays(int $year): array
+    {
+        return array_merge([
+            'Año nuevo' => '01-01',
+            'Día del Trabajo' => '05-01',
+            'Batalla de Arica y Día de la bandera' => '06-07',
+            'Día de San Pedro y San Pablo' => '06-29',
+            'Día de la Fuerza Aérea del Perú' => '07-23',
+            'Día de la Independencia' => '07-28',
+            'Fiestas Patrias' => '07-29',
+            'Batalla de Junín' => '08-06',
+            'Santa Rosa de Lima' => '08-30',
+            'Combate de Angamos' => '10-08',
+            'Día de Todos los Santos' => '11-01',
+            'Inmaculada Concepción' => '12-08',
+            'Batalla de Ayacucho' => '12-09',
+            'Navidad' => '12-25',
+        ], $this->variableHolidays($year));
+    }
+
+    /** @return array<string, CarbonImmutable> */
+    protected function variableHolidays(int $year): array
+    {
+        $easter = $this->easter($year);
+
+        return [
+            'Jueves Santo' => $easter->subDays(3),
+            'Viernes Santo' => $easter->subDays(2),
+        ];
+    }
+}

tests/.pest/snapshots/Countries/PeruTest/it_can_calculate_peru_holidays.snap

@@ -0,0 +1,66 @@
+[
+    {
+        "name": "A\u00f1o nuevo",
+        "date": "2024-01-01"
+    },
+    {
+        "name": "Jueves Santo",
+        "date": "2024-03-28"
+    },
+    {
+        "name": "Viernes Santo",
+        "date": "2024-03-29"
+    },
+    {
+        "name": "D\u00eda del Trabajo",
+        "date": "2024-05-01"
+    },
+    {
+        "name": "Batalla de Arica y D\u00eda de la bandera",
+        "date": "2024-06-07"
+    },
+    {
+        "name": "D\u00eda de San Pedro y San Pablo",
+        "date": "2024-06-29"
+    },
+    {
+        "name": "D\u00eda de la Fuerza A\u00e9rea del Per\u00fa",
+        "date": "2024-07-23"
+    },
+    {
+        "name": "D\u00eda de la Independencia",
+        "date": "2024-07-28"
+    },
+    {
+        "name": "Fiestas Patrias",
+        "date": "2024-07-29"
+    },
+    {
+        "name": "Batalla de Jun\u00edn",
+        "date": "2024-08-06"
+    },
+    {
+        "name": "Santa Rosa de Lima",
+        "date": "2024-08-30"
+    },
+    {
+        "name": "Combate de Angamos",
+        "date": "2024-10-08"
+    },
+    {
+        "name": "D\u00eda de Todos los Santos",
+        "date": "2024-11-01"
+    },
+    {
+        "name": "Inmaculada Concepci\u00f3n",
+        "date": "2024-12-08"
+    },
+    {
+        "name": "Batalla de Ayacucho",
+        "date": "2024-12-09"
+    },
+    {
+        "name": "Navidad",
+        "date": "2024-12-25"
+    }
+]

tests/Countries/PeruTest.php

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