Fix memoir image delivery and Android rendering

api/tests/test_pdf_service_images.py

@@ -6,7 +6,12 @@ from api.services.pdf_service import PDFService
 
 class PDFServiceImagesTest(unittest.IsolatedAsyncioTestCase):
     @patch("api.services.pdf_service.httpx.AsyncClient")
-    async def test_generate_pdf_embeds_completed_images_and_removes_placeholders(self, async_client_cls):
+    @patch("api.services.pdf_service.TencentCosStorageService")
+    async def test_generate_pdf_embeds_completed_images_and_removes_placeholders(
+        self,
+        storage_cls,
+        async_client_cls,
+    ):
         png_bytes = (
             b"\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01\x00\x00\x00\x01"
             b"\x08\x02\x00\x00\x00\x90wS\xde\x00\x00\x00\x0cIDATx\x9cc```\x00\x00"
@@ -20,6 +25,9 @@ class PDFServiceImagesTest(unittest.IsolatedAsyncioTestCase):
         mock_client.get.return_value = mock_response
         async_client_cls.return_value.__aenter__ = AsyncMock(return_value=mock_client)
         async_client_cls.return_value.__aexit__ = AsyncMock(return_value=False)
+        storage = MagicMock()
+        storage.get_download_url.return_value = "https://signed.example.com/0.png?sig=123"
+        storage_cls.from_env.return_value = storage
 
         service = PDFService()
         book = type("BookStub", (), {"title": "我的回忆录"})()
@@ -33,7 +41,8 @@ class PDFServiceImagesTest(unittest.IsolatedAsyncioTestCase):
                     {
                         "index": 0,
                         "placeholder": "{{{{IMAGE:南方小镇的青石板路}}}}",
-                        "url": "https://cos.example.com/0.png",
+                        "url": "https://life-echo-dev-1319381411.cos.ap-shanghai.myqcloud.com/memoirs/u1/c1/0.png",
+                        "storage_key": "memoirs/u1/c1/0.png",
                         "status": "completed",
                     }
                 ],
@@ -44,3 +53,4 @@ class PDFServiceImagesTest(unittest.IsolatedAsyncioTestCase):
 
         self.assertGreater(len(pdf_bytes), 100)
         self.assertNotIn(b"IMAGE:", pdf_bytes)
+        mock_client.get.assert_called_once_with("https://signed.example.com/0.png?sig=123")