feat(services): add monday-friday working day determiner

tests/Unit/Services/WorkingDays/Date/MonToFriWorkingDayDeterminerTest.php

@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Services\WorkingDays\Date;
+
+use App\Services\WorkingDays\Date\MonToFriWorkingDayDeterminer;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\TestCase;
+
+class MonToFriWorkingDayDeterminerTest extends TestCase
+{
+    #[DataProvider('nonWorkingDayProvider')]
+    public function testIsWorkingDayWillReturnFalseForSatSan(int $day): void
+    {
+        $class = new MonToFriWorkingDayDeterminer();
+
+        $this->assertFalse($class->isWorkingDay(new \DateTimeImmutable("2024-01-0" . $day)));
+    }
+
+    /**
+     * @return array<int, array<int, int>>
+     */
+    public static function nonWorkingDayProvider(): array
+    {
+        return [[6], [7]];
+    }
+
+    /**
+     * @return \Generator<int, array<int>>
+     */
+    public static function workingDayProvider(): \Generator
+    {
+        for ($isNWD = 0; $isNWD <= 1; $isNWD++) {
+            for ($x = 1; $x <= 5; $x++) {
+                yield [$x];
+            }
+        }
+    }
+
+    #[DataProvider('workingDayProvider')]
+    public function testIsWorkingDayWillCallIsNWDForWorkingDaysAndReturnValue(int $day): void
+    {
+        $class = new MonToFriWorkingDayDeterminer();
+
+        $this->assertSame(true, $class->isWorkingDay(new \DateTimeImmutable("2024-01-0" . $day)));
+    }
+}