Перевод на доменную архитектуру

tests/Unit/Reports/DepartmentLoadCalculatorTest.php

@@ -0,0 +1,15 @@
+<?php
+
+use App\Domain\Reports\Calculators\DepartmentLoadCalculator;
+
+it('calculates department load percentage', function () {
+    $calculator = new DepartmentLoadCalculator;
+
+    expect($calculator->calculate(27, 30))->toBe(90);
+});
+
+it('returns zero when beds count is zero', function () {
+    $calculator = new DepartmentLoadCalculator;
+
+    expect($calculator->calculate(27, 0))->toBe(0);
+});