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packages/server/tests/local/import.test.ts

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+/**
+ * Import Routes Tests (PRQ-043)
+ *
+ * Tests the memory import endpoints:
+ *   POST /api/import/preview — previews a ChatGPT or Claude export
+ *   POST /api/import/commit  — commits imported knowledge to personal memory
+ *
+ * Uses buildLocalServer with a temporary data directory.
+ */
+
+import { describe, it, expect, beforeAll, afterAll } from 'vitest';
+import fs from 'node:fs';
+import path from 'node:path';
+import os from 'node:os';
+import { MindDB, SessionStore, FrameStore } from '@waggle/core';
+import { buildLocalServer } from '../../src/local/index.js';
+import type { FastifyInstance } from 'fastify';
+import { injectWithAuth } from '../test-utils.js';
+
+// ── Test fixtures ───────────────────────────────────────────
+
+/** Minimal ChatGPT export format with one conversation containing a decision */
+const CHATGPT_EXPORT = [
+  {
+    title: 'Project Architecture Discussion',
+    create_time: 1700000000,
+    mapping: {
+      node1: {
+        message: {
+          author: { role: 'user' },
+          content: { parts: ['I decided to use React with TypeScript for the frontend'] },
+          create_time: 1700000001,
+        },
+      },
+      node2: {
+        message: {
+          author: { role: 'assistant' },
+          content: { parts: ['Great choice! React with TypeScript offers excellent type safety.'] },
+          create_time: 1700000002,
+        },
+      },
+    },
+  },
+];
+
+/** Minimal Claude export format with one conversation */
+const CLAUDE_EXPORT = [
+  {
+    name: 'Tech Stack Comparison',
+    created_at: '2025-01-15T10:00:00.000Z',
+    chat_messages: [
+      {
+        sender: 'human',
+        text: 'I prefer using SQLite for local-first applications',
+        created_at: '2025-01-15T10:00:01.000Z',
+      },
+      {
+        sender: 'assistant',
+        text: 'SQLite is excellent for local-first apps because of its embedded nature.',
+        created_at: '2025-01-15T10:00:02.000Z',
+      },
+    ],
+  },
+];
+
+describe('Import Routes', () => {
+  let server: FastifyInstance;
+  let tmpDir: string;
+
+  beforeAll(async () => {
+    tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'waggle-import-test-'));
+
+    // Create personal.mind (required by buildLocalServer)
+    const personalPath = path.join(tmpDir, 'personal.mind');
+    const mind = new MindDB(personalPath);
+    const sessions = new SessionStore(mind);
+    const frames = new FrameStore(mind);
+    const s1 = sessions.create('import-test');
+    frames.createIFrame(s1.gop_id, 'Import test frame', 'normal');
+    mind.close();
+
+    server = await buildLocalServer({ dataDir: tmpDir });
+  });
+
+  afterAll(async () => {
+    await server.close();
+    fs.rmSync(tmpDir, { recursive: true, force: true });
+  });
+
+  // ── POST /api/import/preview ──────────────────────────────────
+
+  describe('POST /api/import/preview', () => {
+    it('previews a ChatGPT export', async () => {
+      const res = await injectWithAuth(server, {
+        method: 'POST',
+        url: '/api/import/preview',
+        payload: { data: CHATGPT_EXPORT, source: 'chatgpt' },
+      });
+
+      expect(res.statusCode).toBe(200);
+      const body = res.json();
+      expect(body.source).toBe('chatgpt');
+      expect(body.conversationsFound).toBeGreaterThanOrEqual(1);
+      expect(body.conversationsParsed).toBeGreaterThanOrEqual(1);
+      expect(Array.isArray(body.knowledgeExtracted)).toBe(true);
+      expect(Array.isArray(body.errors)).toBe(true);
+    });
+
+    it('previews a Claude export', async () => {
+      const res = await injectWithAuth(server, {
+        method: 'POST',
+        url: '/api/import/preview',
+        payload: { data: CLAUDE_EXPORT, source: 'claude' },
+      });
+
+      expect(res.statusCode).toBe(200);
+      const body = res.json();
+      expect(body.source).toBe('claude');
+      expect(body.conversationsFound).toBeGreaterThanOrEqual(1);
+      expect(body.conversationsParsed).toBeGreaterThanOrEqual(1);
+      expect(Array.isArray(body.knowledgeExtracted)).toBe(true);
+    });
+
+    it('returns 400 when data is missing', async () => {
+      const res = await injectWithAuth(server, {
+        method: 'POST',
+        url: '/api/import/preview',
+        payload: { source: 'chatgpt' },
+      });
+
+      expect(res.statusCode).toBe(400);
+      const body = res.json();
+      expect(body.error).toContain('data and source');
+    });
+
+    it('returns 400 when source is missing', async () => {
+      const res = await injectWithAuth(server, {
+        method: 'POST',
+        url: '/api/import/preview',
+        payload: { data: [] },
+      });
+
+      expect(res.statusCode).toBe(400);
+      const body = res.json();
+      expect(body.error).toContain('data and source');
+    });
+
+    it('returns 400 when source is invalid', async () => {
+      const res = await injectWithAuth(server, {
+        method: 'POST',
+        url: '/api/import/preview',
+        payload: { data: [], source: 'openai' },
+      });
+
+      expect(res.statusCode).toBe(400);
+      const body = res.json();
+      expect(body.error).toContain('chatgpt');
+      expect(body.error).toContain('claude');
+    });
+
+    it('handles empty export gracefully', async () => {
+      const res = await injectWithAuth(server, {
+        method: 'POST',
+        url: '/api/import/preview',
+        payload: { data: [], source: 'chatgpt' },
+      });
+
+      expect(res.statusCode).toBe(200);
+      const body = res.json();
+      expect(body.conversationsFound).toBe(0);
+      expect(body.knowledgeExtracted).toEqual([]);
+      expect(body.errors.length).toBeGreaterThanOrEqual(1);
+      expect(body.errors[0]).toContain('No conversations found');
+    });
+  });
+
+  // ── POST /api/import/commit ───────────────────────────────────
+
+  describe('POST /api/import/commit', () => {
+    it('commit returns error shape when save fails (FK constraint on gop_id)', async () => {
+      // The import route uses 'import' as gop_id, but no session with that
+      // gop_id exists. The FrameStore.createIFrame will fail with a FK
+      // constraint error, and the route should return a 500 with error message.
+      const res = await injectWithAuth(server, {
+        method: 'POST',
+        url: '/api/import/commit',
+        payload: { data: CHATGPT_EXPORT, source: 'chatgpt' },
+      });
+
+      expect(res.statusCode).toBe(500);
+      const body = res.json();
+      expect(body.error).toContain('Import failed');
+    });
+
+    it('commit returns saved:0 when no knowledge is extracted', async () => {
+      // An export with conversations but no extractable knowledge.
+      // Title must be <= 5 chars or 'Untitled' to avoid topic extraction,
+      // and messages must be too short to match decision/preference/fact patterns.
+      const noKnowledgeExport = [
+        {
+          title: 'hi',
+          create_time: 1700000000,
+          mapping: {
+            node1: {
+              message: {
+                author: { role: 'user' },
+                content: { parts: ['Hey there'] },
+                create_time: 1700000001,
+              },
+            },
+          },
+        },
+      ];
+
+      const res = await injectWithAuth(server, {
+        method: 'POST',
+        url: '/api/import/commit',
+        payload: { data: noKnowledgeExport, source: 'chatgpt' },
+      });
+
+      expect(res.statusCode).toBe(200);
+      const body = res.json();
+      expect(body.saved).toBe(0);
+      expect(body.message).toContain('No knowledge items');
+    });
+
+    it('returns 400 when data is missing', async () => {
+      const res = await injectWithAuth(server, {
+        method: 'POST',
+        url: '/api/import/commit',
+        payload: { source: 'chatgpt' },
+      });
+
+      expect(res.statusCode).toBe(400);
+    });
+
+    it('returns 400 when source is invalid', async () => {
+      const res = await injectWithAuth(server, {
+        method: 'POST',
+        url: '/api/import/commit',
+        payload: { data: [], source: 'notion' },
+      });
+
+      expect(res.statusCode).toBe(400);
+    });
+
+    it('handles export with no knowledge items (preview path)', async () => {
+      // Empty conversations array that parse to 0 conversations
+      const res = await injectWithAuth(server, {
+        method: 'POST',
+        url: '/api/import/commit',
+        payload: { data: [], source: 'chatgpt' },
+      });
+
+      expect(res.statusCode).toBe(200);
+      const body = res.json();
+      expect(body.saved).toBe(0);
+      expect(body.message).toContain('No knowledge items');
+    });
+  });
+});