test(uploads): extraire extractMetadata() + tests unitaires

Refactoring minimal : le bloc de parsing de métadonnées (titre, version,
description) est extrait en méthode privée extractMetadata() dans
UploadsController. Le comportement de validate() est identique.

12 tests unitaires couvrent tous les cas : version standard (1.2.3, 1.0, 2,
0.0.0), extraction nom/description, et cas limites (version non-numérique,
absente, vide, info absent).

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

back/src/modules/uploads/uploads.controller.spec.ts

@@ -0,0 +1,93 @@
+import { describe, it, expect } from 'vitest';
+import { UploadsController } from './uploads.controller';
+
+/** Accès à la méthode privée sans instancier le contrôleur complet */
+function extract(yamlContent: string) {
+  return (UploadsController.prototype as any).extractMetadata.call({}, yamlContent);
+}
+
+describe('UploadsController.extractMetadata()', () => {
+  describe('version OpenAPI standard', () => {
+    it('"1.2.3" → major=1, minor=2, patch=3', () => {
+      const result = extract('info:\n  title: Test\n  version: "1.2.3"');
+      expect(result.versionMajor).toBe(1);
+      expect(result.versionMinor).toBe(2);
+      expect(result.versionPatch).toBe(3);
+    });
+
+    it('"1.0" → major=1, minor=0, patch=null', () => {
+      const result = extract('info:\n  title: Test\n  version: "1.0"');
+      expect(result.versionMajor).toBe(1);
+      expect(result.versionMinor).toBe(0);
+      expect(result.versionPatch).toBeNull();
+    });
+
+    it('"2" → major=2, minor=null, patch=null', () => {
+      const result = extract('info:\n  title: Test\n  version: "2"');
+      expect(result.versionMajor).toBe(2);
+      expect(result.versionMinor).toBeNull();
+      expect(result.versionPatch).toBeNull();
+    });
+
+    it('"0.0.0" → major=0, minor=0, patch=0', () => {
+      const result = extract('info:\n  title: Test\n  version: "0.0.0"');
+      expect(result.versionMajor).toBe(0);
+      expect(result.versionMinor).toBe(0);
+      expect(result.versionPatch).toBe(0);
+    });
+  });
+
+  describe('extraction du nom et description', () => {
+    it('title présent → name extrait', () => {
+      const result = extract('info:\n  title: Mon API\n  version: "1.0.0"');
+      expect(result.name).toBe('Mon API');
+    });
+
+    it('title absent → name=null', () => {
+      const result = extract('info:\n  version: "1.0.0"');
+      expect(result.name).toBeNull();
+    });
+
+    it('description présente → description extraite', () => {
+      const result = extract('info:\n  title: Test\n  version: "1.0.0"\n  description: Une description');
+      expect(result.description).toBe('Une description');
+    });
+
+    it('description absente → description=null', () => {
+      const result = extract('info:\n  title: Test\n  version: "1.0.0"');
+      expect(result.description).toBeNull();
+    });
+  });
+
+  describe('cas limite de version', () => {
+    it('version non numérique ("alpha") → major=null, minor=null, patch=null', () => {
+      const result = extract('info:\n  title: Test\n  version: alpha');
+      expect(result.versionMajor).toBeNull();
+      expect(result.versionMinor).toBeNull();
+      expect(result.versionPatch).toBeNull();
+    });
+
+    it('version absente → tout null', () => {
+      const result = extract('info:\n  title: Test');
+      expect(result.versionMajor).toBeNull();
+      expect(result.versionMinor).toBeNull();
+      expect(result.versionPatch).toBeNull();
+    });
+
+    it('version vide string "" → tout null', () => {
+      const result = extract('info:\n  title: Test\n  version: ""');
+      expect(result.versionMajor).toBeNull();
+      expect(result.versionMinor).toBeNull();
+      expect(result.versionPatch).toBeNull();
+    });
+
+    it('info absent → tout null', () => {
+      const result = extract('asyncapi: "3.0.0"');
+      expect(result.name).toBeNull();
+      expect(result.description).toBeNull();
+      expect(result.versionMajor).toBeNull();
+      expect(result.versionMinor).toBeNull();
+      expect(result.versionPatch).toBeNull();
+    });
+  });
+});