Adam Ladachowski
e9480a18c2
- Remove ProcessManager and process.py - Add get_sd_server_url() config (env/config/default) - Update routes to proxy to external sd-server URL - Remove model switching (handled by external sd-server) - Update CLI serve command - Update tests for new architecture Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
475 lines
17 KiB
Python
475 lines
17 KiB
Python
"""Tests for tensors.server package (FastAPI sd-server proxy wrapper)."""
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from __future__ import annotations
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from unittest.mock import AsyncMock
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import httpx
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import pytest
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import respx
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from fastapi.testclient import TestClient
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from tensors.server import create_app
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@pytest.fixture()
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def api() -> TestClient:
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"""Create test client with mock sd-server URL."""
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return TestClient(create_app(sd_server_url="http://mock-sd-server:1234"))
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class TestStatus:
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@respx.mock
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def test_status_when_backend_reachable(self) -> None:
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"""Test status endpoint when sd-server is reachable."""
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respx.get("http://mock-sd-server:1234/").mock(return_value=httpx.Response(200))
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with TestClient(create_app(sd_server_url="http://mock-sd-server:1234")) as client:
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r = client.get("/status")
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assert r.status_code == 200
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data = r.json()
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assert data["status"] == "ok"
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assert data["sd_server_url"] == "http://mock-sd-server:1234"
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@respx.mock
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def test_status_when_backend_unreachable(self) -> None:
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"""Test status endpoint when sd-server is not reachable."""
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respx.get("http://mock-sd-server:1234/").mock(side_effect=httpx.ConnectError("Connection refused"))
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with TestClient(create_app(sd_server_url="http://mock-sd-server:1234")) as client:
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r = client.get("/status")
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assert r.status_code == 200
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data = r.json()
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assert data["status"] == "error"
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assert "Connection refused" in data["error"]
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class TestProxy:
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def test_proxy_forwards_request(self, api: TestClient) -> None:
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"""Test proxy forwards GET requests to backend."""
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upstream_response = httpx.Response(
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200,
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json={"data": [{"id": "model-1"}]},
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headers={"content-type": "application/json"},
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)
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mock_client = AsyncMock()
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mock_client.request.return_value = upstream_response
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api.app.state.client = mock_client # type: ignore[attr-defined]
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api.app.state.sd_server_url = "http://mock-sd-server:1234" # type: ignore[attr-defined]
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r = api.get("/v1/models")
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assert r.status_code == 200
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assert r.json() == {"data": [{"id": "model-1"}]}
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mock_client.request.assert_called_once()
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def test_proxy_forwards_post_with_body(self, api: TestClient) -> None:
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"""Test proxy forwards POST requests with body."""
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upstream_response = httpx.Response(200, json={"ok": True})
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mock_client = AsyncMock()
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mock_client.request.return_value = upstream_response
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api.app.state.client = mock_client # type: ignore[attr-defined]
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api.app.state.sd_server_url = "http://mock-sd-server:1234" # type: ignore[attr-defined]
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r = api.post("/sdapi/v1/txt2img", json={"prompt": "hello"})
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assert r.status_code == 200
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mock_client.request.assert_called_once()
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def test_proxy_503_on_connect_error(self, api: TestClient) -> None:
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"""Test proxy returns 503 when backend is unreachable."""
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mock_client = AsyncMock()
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mock_client.request.side_effect = httpx.ConnectError("Connection refused")
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api.app.state.client = mock_client # type: ignore[attr-defined]
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api.app.state.sd_server_url = "http://mock-sd-server:1234" # type: ignore[attr-defined]
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r = api.get("/v1/models")
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assert r.status_code == 503
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assert "Cannot connect" in r.json()["error"]
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def test_proxy_504_on_timeout(self, api: TestClient) -> None:
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"""Test proxy returns 504 on timeout."""
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mock_client = AsyncMock()
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mock_client.request.side_effect = httpx.TimeoutException("Timeout")
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api.app.state.client = mock_client # type: ignore[attr-defined]
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api.app.state.sd_server_url = "http://mock-sd-server:1234" # type: ignore[attr-defined]
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r = api.get("/v1/models")
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assert r.status_code == 504
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assert "Timeout" in r.json()["error"]
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# =============================================================================
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# Gallery Endpoint Tests
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# =============================================================================
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@pytest.fixture
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def temp_gallery(tmp_path):
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"""Create a temporary gallery for testing."""
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from tensors.server.gallery import Gallery # noqa: PLC0415
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gallery_dir = tmp_path / "gallery"
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gallery_dir.mkdir()
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return Gallery(gallery_dir=gallery_dir)
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@pytest.fixture
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def gallery_with_images(temp_gallery):
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"""Gallery with some test images."""
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# Create test images
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for i in range(3):
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# Create a minimal PNG (1x1 pixel)
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image_data = (
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b"\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01"
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b"\x00\x00\x00\x01\x08\x02\x00\x00\x00\x90wS\xde\x00"
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b"\x00\x00\x0cIDATx\x9cc\xf8\x0f\x00\x00\x01\x01\x00"
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b"\x05\x18\xd8N\x00\x00\x00\x00IEND\xaeB`\x82"
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)
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metadata = {"prompt": f"test prompt {i}", "seed": i, "width": 512, "height": 512}
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temp_gallery.save_image(image_data, metadata=metadata, seed=i)
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return temp_gallery
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@pytest.fixture
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def gallery_api(temp_gallery) -> TestClient:
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"""Test client for gallery API with temp gallery."""
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from fastapi import FastAPI # noqa: PLC0415
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# Override the gallery singleton
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from tensors.server import gallery_routes # noqa: PLC0415
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from tensors.server.gallery_routes import create_gallery_router # noqa: PLC0415
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gallery_routes._gallery = temp_gallery
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app = FastAPI()
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app.include_router(create_gallery_router())
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return TestClient(app)
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class TestGalleryList:
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"""Tests for gallery list endpoint."""
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def test_list_images_empty(self, gallery_api: TestClient) -> None:
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"""Test listing empty gallery."""
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response = gallery_api.get("/api/images")
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assert response.status_code == 200
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data = response.json()
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assert data["images"] == []
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assert data["total"] == 0
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def test_list_images_with_data(self, gallery_api: TestClient, gallery_with_images) -> None:
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"""Test listing gallery with images."""
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from tensors.server import gallery_routes # noqa: PLC0415
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gallery_routes._gallery = gallery_with_images
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response = gallery_api.get("/api/images")
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assert response.status_code == 200
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data = response.json()
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assert len(data["images"]) == 3
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assert data["total"] == 3
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def test_list_images_pagination(self, gallery_api: TestClient, gallery_with_images) -> None:
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"""Test pagination parameters."""
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from tensors.server import gallery_routes # noqa: PLC0415
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gallery_routes._gallery = gallery_with_images
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response = gallery_api.get("/api/images?limit=2&offset=1")
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assert response.status_code == 200
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data = response.json()
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assert len(data["images"]) == 2
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class TestGalleryGetImage:
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"""Tests for getting individual images."""
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def test_get_image_not_found(self, gallery_api: TestClient) -> None:
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"""Test getting non-existent image returns 404."""
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response = gallery_api.get("/api/images/nonexistent")
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assert response.status_code == 404
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def test_get_image_success(self, gallery_api: TestClient, gallery_with_images) -> None:
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"""Test getting an image file."""
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from tensors.server import gallery_routes # noqa: PLC0415
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gallery_routes._gallery = gallery_with_images
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list_response = gallery_api.get("/api/images")
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images = list_response.json()["images"]
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image_id = images[0]["id"]
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response = gallery_api.get(f"/api/images/{image_id}")
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assert response.status_code == 200
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assert response.headers["content-type"] == "image/png"
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class TestGalleryMetadata:
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"""Tests for image metadata endpoints."""
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def test_get_metadata_not_found(self, gallery_api: TestClient) -> None:
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"""Test getting metadata for non-existent image."""
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response = gallery_api.get("/api/images/nonexistent/meta")
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assert response.status_code == 404
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def test_get_metadata_success(self, gallery_api: TestClient, gallery_with_images) -> None:
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"""Test getting image metadata."""
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from tensors.server import gallery_routes # noqa: PLC0415
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gallery_routes._gallery = gallery_with_images
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list_response = gallery_api.get("/api/images")
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images = list_response.json()["images"]
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image_id = images[0]["id"]
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response = gallery_api.get(f"/api/images/{image_id}/meta")
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assert response.status_code == 200
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data = response.json()
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assert data["id"] == image_id
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assert "metadata" in data
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def test_edit_metadata(self, gallery_api: TestClient, gallery_with_images) -> None:
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"""Test updating image metadata."""
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from tensors.server import gallery_routes # noqa: PLC0415
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gallery_routes._gallery = gallery_with_images
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list_response = gallery_api.get("/api/images")
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images = list_response.json()["images"]
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image_id = images[0]["id"]
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response = gallery_api.post(
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f"/api/images/{image_id}/edit",
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json={"tags": ["test", "favorite"], "rating": 5},
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)
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assert response.status_code == 200
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data = response.json()
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assert data["metadata"]["tags"] == ["test", "favorite"]
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assert data["metadata"]["rating"] == 5
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def test_edit_metadata_not_found(self, gallery_api: TestClient) -> None:
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"""Test editing non-existent image metadata."""
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response = gallery_api.post(
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"/api/images/nonexistent/edit",
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json={"tags": ["test"]},
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)
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assert response.status_code == 404
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class TestGalleryDelete:
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"""Tests for deleting images."""
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def test_delete_image_not_found(self, gallery_api: TestClient) -> None:
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"""Test deleting non-existent image."""
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response = gallery_api.delete("/api/images/nonexistent")
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assert response.status_code == 404
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def test_delete_image_success(self, gallery_api: TestClient, gallery_with_images) -> None:
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"""Test deleting an image."""
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from tensors.server import gallery_routes # noqa: PLC0415
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gallery_routes._gallery = gallery_with_images
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list_response = gallery_api.get("/api/images")
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initial_count = list_response.json()["total"]
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image_id = list_response.json()["images"][0]["id"]
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response = gallery_api.delete(f"/api/images/{image_id}")
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assert response.status_code == 200
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assert response.json()["deleted"] is True
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list_response = gallery_api.get("/api/images")
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assert list_response.json()["total"] == initial_count - 1
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class TestGalleryStats:
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"""Tests for gallery statistics endpoint."""
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def test_stats_empty(self, gallery_api: TestClient) -> None:
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"""Test stats on empty gallery."""
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response = gallery_api.get("/api/images/stats/summary")
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assert response.status_code == 200
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data = response.json()
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assert data["total_images"] == 0
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# =============================================================================
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# Database Endpoint Tests
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# =============================================================================
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@pytest.fixture
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def temp_db(tmp_path):
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"""Create a temporary database for testing."""
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from tensors.db import Database # noqa: PLC0415
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db_path = tmp_path / "test_models.db"
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db = Database(db_path=db_path)
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db.init_schema()
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return db
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@pytest.fixture
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def db_api(temp_db, monkeypatch) -> TestClient:
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"""Test client for db API with temp database."""
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from fastapi import FastAPI # noqa: PLC0415
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# Monkeypatch Database to use temp_db path
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from tensors import db as db_module # noqa: PLC0415
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from tensors.server.db_routes import create_db_router # noqa: PLC0415
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monkeypatch.setattr(db_module, "DB_PATH", temp_db.db_path)
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app = FastAPI()
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app.include_router(create_db_router())
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return TestClient(app)
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class TestDbEndpoints:
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"""Tests for database API endpoints."""
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def test_list_files_empty(self, db_api: TestClient) -> None:
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"""Test listing files from empty database."""
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response = db_api.get("/api/db/files")
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assert response.status_code == 200
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assert response.json() == []
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def test_search_models_empty(self, db_api: TestClient) -> None:
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"""Test searching models in empty database."""
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response = db_api.get("/api/db/models")
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assert response.status_code == 200
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assert response.json() == []
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def test_search_models_with_query(self, db_api: TestClient, temp_db, monkeypatch) -> None:
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"""Test searching models with query parameters."""
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from tensors import db as db_module # noqa: PLC0415
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monkeypatch.setattr(db_module, "DB_PATH", temp_db.db_path)
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model_data = {
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"id": 12345,
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"name": "Test Model",
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"type": "LORA",
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"tags": [],
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"modelVersions": [],
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}
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temp_db.cache_model(model_data)
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response = db_api.get("/api/db/models?query=Test")
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assert response.status_code == 200
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results = response.json()
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assert len(results) >= 1
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def test_get_model_not_found(self, db_api: TestClient) -> None:
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"""Test getting non-existent model."""
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response = db_api.get("/api/db/models/999999")
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assert response.status_code == 404
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def test_get_model_success(self, db_api: TestClient, temp_db, monkeypatch) -> None:
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"""Test getting cached model."""
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from tensors import db as db_module # noqa: PLC0415
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monkeypatch.setattr(db_module, "DB_PATH", temp_db.db_path)
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model_data = {
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"id": 12345,
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"name": "Test Model",
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"type": "Checkpoint",
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"tags": [],
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"modelVersions": [],
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}
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temp_db.cache_model(model_data)
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response = db_api.get("/api/db/models/12345")
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assert response.status_code == 200
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data = response.json()
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assert data["name"] == "Test Model"
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def test_get_stats(self, db_api: TestClient) -> None:
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"""Test getting database stats."""
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response = db_api.get("/api/db/stats")
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assert response.status_code == 200
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data = response.json()
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assert "local_files" in data
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assert "models" in data
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# =============================================================================
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# Gallery Class Unit Tests
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# =============================================================================
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class TestGalleryClass:
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"""Unit tests for the Gallery class."""
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def test_save_image(self, temp_gallery) -> None:
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"""Test saving an image to gallery."""
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image_data = b"\x89PNG test data"
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metadata = {"prompt": "test", "seed": 42}
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result = temp_gallery.save_image(image_data, metadata=metadata, seed=42)
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assert result.id is not None
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assert result.path.exists()
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assert result.meta_path.exists()
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def test_list_images_empty(self, temp_gallery) -> None:
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"""Test listing empty gallery."""
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images = temp_gallery.list_images()
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assert images == []
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def test_list_images_sorted(self, gallery_with_images) -> None:
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"""Test images are sorted by creation time."""
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images = gallery_with_images.list_images(newest_first=True)
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assert len(images) == 3
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times = [img.created_at for img in images]
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assert times == sorted(times, reverse=True)
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def test_get_image(self, gallery_with_images) -> None:
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"""Test getting image by ID."""
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images = gallery_with_images.list_images()
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image_id = images[0].id
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result = gallery_with_images.get_image(image_id)
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assert result is not None
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assert result.id == image_id
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def test_get_image_not_found(self, temp_gallery) -> None:
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"""Test getting non-existent image."""
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result = temp_gallery.get_image("nonexistent")
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assert result is None
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def test_delete_image(self, gallery_with_images) -> None:
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"""Test deleting an image."""
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images = gallery_with_images.list_images()
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image_id = images[0].id
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image_path = images[0].path
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result = gallery_with_images.delete_image(image_id)
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assert result is True
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assert not image_path.exists()
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def test_delete_image_not_found(self, temp_gallery) -> None:
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"""Test deleting non-existent image."""
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result = temp_gallery.delete_image("nonexistent")
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assert result is False
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def test_count(self, gallery_with_images) -> None:
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"""Test counting images."""
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assert gallery_with_images.count() == 3
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def test_update_metadata(self, gallery_with_images) -> None:
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"""Test updating metadata."""
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images = gallery_with_images.list_images()
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image_id = images[0].id
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result = gallery_with_images.update_metadata(image_id, {"custom_field": "value"})
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assert result is not None
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assert result["custom_field"] == "value"
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def test_update_metadata_not_found(self, temp_gallery) -> None:
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"""Test updating metadata for non-existent image."""
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result = temp_gallery.update_metadata("nonexistent", {"field": "value"})
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assert result is None
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