Integration Baniere dans le backend

backend/tests/Unit/CampaignSelectorTest.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Tests\Unit;
+
+use App\Signature\CampaignSelector;
+use PHPUnit\Framework\TestCase;
+
+class CampaignSelectorTest extends TestCase
+{
+    private array $campaigns = [
+        ['id' => 1, 'priority' => 10, 'group_ids' => []],           // générale
+        ['id' => 2, 'priority' => 50, 'group_ids' => [200]],        // directeurs
+        ['id' => 3, 'priority' => 50, 'group_ids' => [300, 400]],   // même priorité, plus récente
+        ['id' => 4, 'priority' => 10, 'group_ids' => []],           // générale plus récente
+    ];
+
+    public function test_campagne_generale_pour_un_agent_hors_groupe(): void
+    {
+        $this->assertSame(1, (new CampaignSelector)->select($this->campaigns, []));
+        $this->assertSame(1, (new CampaignSelector)->select($this->campaigns, [999]));
+    }
+
+    public function test_campagne_ciblee_prioritaire_remplace_la_generale(): void
+    {
+        $this->assertSame(2, (new CampaignSelector)->select($this->campaigns, [200]));
+        $this->assertSame(3, (new CampaignSelector)->select($this->campaigns, [400]));
+    }
+
+    public function test_egalite_departagee_par_anciennete(): void
+    {
+        $this->assertSame(2, (new CampaignSelector)->select($this->campaigns, [400, 200]));
+    }
+
+    public function test_aucune_banniere_sans_campagne_applicable(): void
+    {
+        $this->assertNull((new CampaignSelector)->select([], [200]));
+        $this->assertNull((new CampaignSelector)->select([['id' => 9, 'priority' => 0, 'group_ids' => [5]]], [200]));
+    }
+}