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server/tests/Unit/AutoCostCalculatorTest.php

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+<?php
+
+use App\Module\Blueprints\Service\AutoCostCalculator;
+use App\Config\ConfigLoader;
+use PHPUnit\Framework\TestCase;
+
+final class AutoCostCalculatorTest extends TestCase
+{
+    public function testCalculateWithEffects(): void
+    {
+        $config = [
+            'auto_cost_weights' => [
+                'produce' => 2,
+                'consume' => 1,
+                'capacity_add' => 3,
+            ],
+        ];
+        $configLoader = new ConfigLoader($config);
+        $calculator = new AutoCostCalculator($configLoader);
+
+        $blueprint = [
+            'effects' => [
+                ['type' => 'produce', 'value' => 10],
+                ['type' => 'consume', 'value' => 5],
+                ['type' => 'capacity_add', 'value' => 3],
+            ],
+            'auto_cost' => true,
+        ];
+        $planetBuildings = [];
+        $raceKey = 'human';
+
+        $result = $calculator->calculate($blueprint, $planetBuildings, $raceKey);
+
+        $this->assertEquals(10 * 2, $result['score']); // produce * weight
+        $this->assertEquals(5 * 1, $result['cost']); // consume * weight
+        $this->assertEquals(3 * 3, $result['build_time']); // capacity_add * weight
+    }
+
+    public function testFallbackToFixedCosts(): void
+    {
+        $configLoader = $this->createMock(ConfigLoader::class);
+        $calculator = new AutoCostCalculator($configLoader);
+
+        $blueprint = [
+            'effects' => [],
+            'cost' => 100,
+            'build_time' => 60,
+        ];
+        $planetBuildings = [];
+        $raceKey = 'human';
+
+        $result = $calculator->calculate($blueprint, $planetBuildings, $raceKey);
+
+        $this->assertEquals(100, $result['cost']);
+        $this->assertEquals(60, $result['build_time']);
+    }
+}