ComfyUI/tests-unit/assets_test/test_preview.py
Cursor Agent d7e43f42d6
Add asset preview management endpoints (PUT/DELETE /api/assets/{id}/preview)
- PUT /api/assets/{id}/preview: sets the preview asset for an existing asset,
  returns the full updated Asset object. Returns 404 if asset ID doesn't exist.
- DELETE /api/assets/{id}/preview: clears the preview asset link, returns 204.
  Returns 404 if asset ID doesn't exist.

Added OpenAPI spec entries under the assets tag with no x-runtime restriction.
Implemented handlers using the existing set_asset_preview service function.
Added integration tests covering happy paths and 404 cases.

Co-authored-by: Matt Miller <MillerMedia@users.noreply.github.com>
2026-05-06 23:56:26 +00:00

112 lines
3.8 KiB
Python

import uuid
import pytest
import requests
def test_set_preview_success(
http: requests.Session, api_base: str, asset_factory, make_asset_bytes
):
"""PUT /api/assets/{id}/preview sets the preview and returns the full Asset."""
main_data = make_asset_bytes("main_asset.png", 2048)
preview_data = make_asset_bytes("preview_asset.png", 1024)
main = asset_factory("main_asset.png", ["input", "unit-tests"], {}, main_data)
preview = asset_factory("preview_asset.png", ["input", "unit-tests"], {}, preview_data)
r = http.put(
f"{api_base}/api/assets/{main['id']}/preview",
json={"preview_id": preview["id"]},
timeout=120,
)
body = r.json()
assert r.status_code == 200, body
assert body["id"] == main["id"]
assert body["preview_id"] == preview["id"]
def test_clear_preview_success(
http: requests.Session, api_base: str, asset_factory, make_asset_bytes
):
"""DELETE /api/assets/{id}/preview clears the preview and returns 204."""
main_data = make_asset_bytes("main_clear.png", 2048)
preview_data = make_asset_bytes("prev_clear.png", 1024)
main = asset_factory("main_clear.png", ["input", "unit-tests"], {}, main_data)
preview = asset_factory("prev_clear.png", ["input", "unit-tests"], {}, preview_data)
# First set a preview
r_set = http.put(
f"{api_base}/api/assets/{main['id']}/preview",
json={"preview_id": preview["id"]},
timeout=120,
)
assert r_set.status_code == 200
# Now clear it
r_del = http.delete(f"{api_base}/api/assets/{main['id']}/preview", timeout=120)
assert r_del.status_code == 204
# Verify preview_id is cleared
r_get = http.get(f"{api_base}/api/assets/{main['id']}", timeout=120)
detail = r_get.json()
assert r_get.status_code == 200, detail
assert detail.get("preview_id") is None
def test_set_preview_asset_not_found(http: requests.Session, api_base: str):
"""PUT /api/assets/{id}/preview returns 404 for non-existent asset ID."""
fake_id = str(uuid.uuid4())
r = http.put(
f"{api_base}/api/assets/{fake_id}/preview",
json={"preview_id": str(uuid.uuid4())},
timeout=120,
)
body = r.json()
assert r.status_code == 404
assert body["error"]["code"] == "ASSET_NOT_FOUND"
def test_clear_preview_asset_not_found(http: requests.Session, api_base: str):
"""DELETE /api/assets/{id}/preview returns 404 for non-existent asset ID."""
fake_id = str(uuid.uuid4())
r = http.delete(f"{api_base}/api/assets/{fake_id}/preview", timeout=120)
body = r.json()
assert r.status_code == 404
assert body["error"]["code"] == "ASSET_NOT_FOUND"
def test_set_preview_missing_body(
http: requests.Session, api_base: str, asset_factory, make_asset_bytes
):
"""PUT /api/assets/{id}/preview returns 400 when preview_id is not provided."""
main_data = make_asset_bytes("main_nobody.png", 2048)
main = asset_factory("main_nobody.png", ["input", "unit-tests"], {}, main_data)
r = http.put(
f"{api_base}/api/assets/{main['id']}/preview",
json={},
timeout=120,
)
body = r.json()
assert r.status_code == 400
assert body["error"]["code"] == "INVALID_BODY"
def test_set_preview_invalid_preview_id(
http: requests.Session, api_base: str, asset_factory, make_asset_bytes
):
"""PUT /api/assets/{id}/preview returns 404 when preview_id references non-existent asset."""
main_data = make_asset_bytes("main_badprev.png", 2048)
main = asset_factory("main_badprev.png", ["input", "unit-tests"], {}, main_data)
fake_preview_id = str(uuid.uuid4())
r = http.put(
f"{api_base}/api/assets/{main['id']}/preview",
json={"preview_id": fake_preview_id},
timeout=120,
)
body = r.json()
assert r.status_code == 404
assert body["error"]["code"] == "ASSET_NOT_FOUND"