test: add Vitest setup with 115 tests (backend + frontend)

backend/tests/projects.test.ts

@@ -0,0 +1,176 @@
+/**
+ * Projects API Tests – CRUD (List / Get / Create / Update / Delete)
+ */
+import { describe, it, expect, beforeAll, afterAll } from 'vitest';
+import type { FastifyInstance } from 'fastify';
+import { SqliteAdapter } from '../src/database/SqliteAdapter.js';
+import { createServer } from '../src/server.js';
+
+describe('Projects API', () => {
+  let app: FastifyInstance;
+  let db: SqliteAdapter;
+  let createdProjectId: string | null = null;
+
+  beforeAll(async () => {
+    db = new SqliteAdapter(':memory:');
+    await db.init();
+    app = await createServer({ db, port: 0 });
+    await app.ready();
+  });
+
+  afterAll(async () => {
+    await app.close();
+    db.close();
+  });
+
+  // ─── Create ─────────────────────────────────────────
+
+  describe('POST /api/projects', () => {
+    it('should create a project with 201', async () => {
+      const response = await app.inject({
+        method: 'POST',
+        url: '/api/projects',
+        payload: {
+          name: 'Test Project',
+          description: 'A test project',
+        },
+      });
+      expect(response.statusCode).toBe(201);
+      const body = JSON.parse(response.body);
+      expect(body.id).toBeDefined();
+      expect(body.name).toBe('Test Project');
+      expect(body.description).toBe('A test project');
+      createdProjectId = body.id;
+    });
+
+    it('should reject project without name with 400', async () => {
+      const response = await app.inject({
+        method: 'POST',
+        url: '/api/projects',
+        payload: { description: 'No name' },
+      });
+      expect(response.statusCode).toBe(400);
+    });
+
+    it('should create project with default values', async () => {
+      const response = await app.inject({
+        method: 'POST',
+        url: '/api/projects',
+        payload: { name: 'Minimal Project' },
+      });
+      expect(response.statusCode).toBe(201);
+      const body = JSON.parse(response.body);
+      expect(body.name).toBe('Minimal Project');
+      expect(body.description).toBeNull();
+    });
+  });
+
+  // ─── List ───────────────────────────────────────────
+
+  describe('GET /api/projects', () => {
+    it('should list all projects', async () => {
+      const response = await app.inject({
+        method: 'GET',
+        url: '/api/projects',
+      });
+      expect(response.statusCode).toBe(200);
+      const body = JSON.parse(response.body);
+      expect(Array.isArray(body)).toBe(true);
+      expect(body.length).toBeGreaterThanOrEqual(2);
+    });
+  });
+
+  // ─── Get ────────────────────────────────────────────
+
+  describe('GET /api/projects/:id', () => {
+    it('should get a single project', async () => {
+      const response = await app.inject({
+        method: 'GET',
+        url: `/api/projects/${createdProjectId}`,
+      });
+      expect(response.statusCode).toBe(200);
+      const body = JSON.parse(response.body);
+      expect(body.id).toBe(createdProjectId);
+      expect(body.name).toBe('Test Project');
+    });
+
+    it('should return 404 for non-existent project', async () => {
+      const response = await app.inject({
+        method: 'GET',
+        url: '/api/projects/non-existent-id',
+      });
+      expect(response.statusCode).toBe(404);
+    });
+  });
+
+  // ─── Update ─────────────────────────────────────────
+
+  describe('PATCH /api/projects/:id', () => {
+    it('should update project name', async () => {
+      const response = await app.inject({
+        method: 'PATCH',
+        url: `/api/projects/${createdProjectId}`,
+        payload: { name: 'Updated Project Name' },
+      });
+      expect(response.statusCode).toBe(200);
+      const body = JSON.parse(response.body);
+      expect(body.name).toBe('Updated Project Name');
+      expect(body.id).toBe(createdProjectId);
+    });
+
+    it('should update project description', async () => {
+      const response = await app.inject({
+        method: 'PATCH',
+        url: `/api/projects/${createdProjectId}`,
+        payload: { description: 'Updated description' },
+      });
+      expect(response.statusCode).toBe(200);
+      const body = JSON.parse(response.body);
+      expect(body.description).toBe('Updated description');
+    });
+
+    it('should return 404 for non-existent project update', async () => {
+      const response = await app.inject({
+        method: 'PATCH',
+        url: '/api/projects/non-existent-id',
+        payload: { name: 'New Name' },
+      });
+      expect(response.statusCode).toBe(404);
+    });
+  });
+
+  // ─── Delete ─────────────────────────────────────────
+
+  describe('DELETE /api/projects/:id', () => {
+    it('should delete a project', async () => {
+      // First create a project to delete
+      const createRes = await app.inject({
+        method: 'POST',
+        url: '/api/projects',
+        payload: { name: 'To Be Deleted' },
+      });
+      const projectId = JSON.parse(createRes.body).id;
+
+      const response = await app.inject({
+        method: 'DELETE',
+        url: `/api/projects/${projectId}`,
+      });
+      expect(response.statusCode).toBe(204);
+
+      // Verify it's gone
+      const getRes = await app.inject({
+        method: 'GET',
+        url: `/api/projects/${projectId}`,
+      });
+      expect(getRes.statusCode).toBe(404);
+    });
+
+    it('should return 404 for non-existent project delete', async () => {
+      const response = await app.inject({
+        method: 'DELETE',
+        url: '/api/projects/non-existent-id',
+      });
+      expect(response.statusCode).toBe(404);
+    });
+  });
+});