feat(api): POST /api/recipes fuer Scratch-Insert aus Foto-Import

tests/integration/recipes-post.test.ts

@@ -0,0 +1,86 @@
+import { describe, it, expect, beforeEach, vi } from 'vitest';
+import { openInMemoryForTest } from '../../src/lib/server/db';
+
+const { testDb } = vi.hoisted(() => {
+  // Lazy holder; real DB instantiated in beforeEach.
+  return { testDb: { current: null as ReturnType<typeof openInMemoryForTest> | null } };
+});
+
+vi.mock('$lib/server/db', async () => {
+  const actual =
+    await vi.importActual<typeof import('../../src/lib/server/db')>(
+      '../../src/lib/server/db'
+    );
+  return {
+    ...actual,
+    getDb: () => {
+      if (!testDb.current) throw new Error('test DB not initialised');
+      return testDb.current;
+    }
+  };
+});
+
+import { POST } from '../../src/routes/api/recipes/+server';
+
+function mkReq(body: unknown) {
+  return {
+    request: new Request('http://test/api/recipes', {
+      method: 'POST',
+      headers: { 'content-type': 'application/json' },
+      body: JSON.stringify(body)
+    })
+  };
+}
+
+const validBody = {
+  title: 'Aus Foto erstellt',
+  description: 'Abrakadabra — Rezept da.',
+  servings_default: 4,
+  servings_unit: 'Portionen',
+  prep_time_min: 10,
+  cook_time_min: 20,
+  total_time_min: null,
+  ingredients: [
+    {
+      position: 1,
+      quantity: 1,
+      unit: null,
+      name: 'Apfel',
+      note: null,
+      raw_text: '1 Apfel',
+      section_heading: null
+    }
+  ],
+  steps: [{ position: 1, text: 'Apfel schneiden.' }]
+};
+
+beforeEach(() => {
+  testDb.current = openInMemoryForTest();
+});
+
+describe('POST /api/recipes', () => {
+  it('happy path returns 201 + id', async () => {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    const res = await POST(mkReq(validBody) as any);
+    expect(res.status).toBe(201);
+    const body = await res.json();
+    expect(typeof body.id).toBe('number');
+    expect(body.id).toBeGreaterThan(0);
+  });
+
+  it('400 on empty title', async () => {
+    await expect(
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      POST(mkReq({ ...validBody, title: '' }) as any)
+    ).rejects.toMatchObject({ status: 400 });
+  });
+
+  it('400 on missing ingredients array', async () => {
+    const bad = { ...validBody } as Partial<typeof validBody>;
+    delete bad.ingredients;
+    await expect(
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      POST(mkReq(bad) as any)
+    ).rejects.toMatchObject({ status: 400 });
+  });
+});