first commit

tests/Taxonomy/TaxonomyServiceReaderTest.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Taxonomy;
+
+use Netig\Netslim\Taxonomy\Application\TaxonomyServiceInterface;
+use Netig\Netslim\Taxonomy\Domain\Entity\Taxon;
+use Netig\Netslim\Taxonomy\Infrastructure\TaxonomyServiceReader;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+
+#[\PHPUnit\Framework\Attributes\AllowMockObjectsWithoutExpectations]
+final class TaxonomyServiceReaderTest extends TestCase
+{
+    /** @var TaxonomyServiceInterface&MockObject */
+    private TaxonomyServiceInterface $taxonomyService;
+
+    private TaxonomyServiceReader $reader;
+
+    protected function setUp(): void
+    {
+        $this->taxonomyService = $this->createMock(TaxonomyServiceInterface::class);
+        $this->reader = new TaxonomyServiceReader($this->taxonomyService);
+    }
+
+    public function testFindAllMapsCategoriesToTaxonViews(): void
+    {
+        $this->taxonomyService->expects($this->once())
+            ->method('findAll')
+            ->willReturn([
+                new Taxon(1, 'PHP', 'php'),
+                new Taxon(2, 'Slim', 'slim'),
+            ]);
+
+        $taxons = $this->reader->findAll();
+
+        self::assertCount(2, $taxons);
+        self::assertSame('PHP', $taxons[0]->name);
+        self::assertSame('slim', $taxons[1]->slug);
+    }
+
+    public function testFindBySlugReturnsNullWhenMissing(): void
+    {
+        $this->taxonomyService->expects($this->once())
+            ->method('findBySlug')
+            ->with('missing')
+            ->willReturn(null);
+
+        self::assertNull($this->reader->findBySlug('missing'));
+    }
+}