Files
ComfyAssets-ComfyUI_PromptM…/tests/test_api_history_outputs.py
T
Vito Sansevero 1e9ed87454 fix(thumbnails): address the final review of the thumbnail format work
- ffmpeg writes JPEG XL with -update 1, so a % in a file name is never an
  image-sequence pattern, and reads videos as file:<path>. The clear and a
  startup sweep remove temp files that interrupted writes left behind.
- Convert outdated converts each group of same-stem files once, from the
  first source in the R2 order. An old preview that is already gone counts
  as removed, and each file's bytes count once. A current preview is only
  kept if it decodes.
- An encoder that fails makes the write detect encoders again once. Another
  encoder is used if one is found; with none, the file is written as WebP
  and the availability Appearance shows is refreshed.
- Changing the thumbnail format, quality or size while Convert outdated runs
  returns 409 busy. If the format still changes underneath, the job stops
  without removing anything.
- Legacy preview spellings are matched case-insensitively, so X_thumb.JPG
  counts as outdated.
- History's cover uses the same lookup as Images. It serves .jxl only when
  Accept lists image/jxl, and otherwise the original or the placeholder.
- A video whose thumbnail the browser cannot show keeps its own element
  (Images) or its label (Library).
2026-10-24 15:07:57 -07:00

1478 lines
64 KiB
Python

"""Real occurrence routes preserve receipts and fence current-file publication."""
import asyncio
import errno
import importlib
import json
import os
import sqlite3
import threading
from contextlib import ExitStack
from pathlib import Path
from types import SimpleNamespace
from unittest import skipUnless
from unittest.mock import patch
from aiohttp import web
from PIL import Image
from aiohttp.test_utils import make_mocked_request
from tests.test_api_images import ImageAPITestCase, make_png
from tests.test_api_prompt_inspector import graph, png
from tests.test_execution_context_database import bundle as context_bundle
from tests.test_execution_history_database import JOB, SESSION
from utils.execution_contexts import ContextBundle
from utils.execution_history_events import make_finish, make_start
from utils.execution_outputs import OutputBundle, OutputReference, snapshot_output_roots
from py.config import GalleryConfig
class HistoryOutputAPITests(ImageAPITestCase):
async def get_application(self):
app = await super().get_application()
self.temp_dir = self.comfy_dir / "temp"
self.temp_dir.mkdir()
self.host_output = str(self.output_dir)
self.host_temp = str(self.temp_dir)
self.patches = ExitStack()
self.addCleanup(self.patches.close)
self.patches.enter_context(
patch(
"folder_paths.get_output_directory",
lambda: self.host_output,
create=True,
)
)
self.patches.enter_context(
patch(
"folder_paths.get_temp_directory", lambda: self.host_temp, create=True
)
)
self.patches.enter_context(
patch.object(
GalleryConfig, "allowed_gallery_parents", lambda: [str(self.comfy_dir)]
)
)
return app
async def tearDownAsync(self):
self.api.close_history_reads()
self.patches.close()
await super().tearDownAsync()
def ref(self, node="1", ordinal=0, filename="image.png", **kwargs):
native = "windows" if os.name == "nt" else "posix"
roots = snapshot_output_roots(native, self.host_output, self.host_temp)
return OutputReference(
node,
ordinal,
kwargs.get("folder_type", "output"),
kwargs.get("subfolder", ""),
filename,
kwargs.get("path_style", native),
kwargs.get("root_key", roots.output_key),
)
def capture(self, references=None, item=0, state="complete", reason=None):
start = make_start(
SESSION, ((0, JOB, {}, {}), item), self.api.db.get_execution_epoch(), item
)
self.api.db.write_execution_start(start)
finish = make_finish(
SESSION, item, start.storage_epoch, SimpleNamespace(messages=[]), item
)
self.api.db.write_execution_finish(finish)
if references is not None:
value = OutputBundle(
tuple(references),
state,
reason or ("reported" if references else "none_reported"),
)
self.assertTrue(
self.api.db.write_execution_outputs_for_finish(finish, value)
)
return start
async def outputs(self, start, params=None):
query = {"epoch": start.storage_epoch}
if params is not None:
query = params
response = await self.client.get(
f"/prompt_manager/history/runs/{start.run_id}/outputs", params=query
)
self.assertEqual(
response.content_type,
"application/json",
"reported-output route is missing",
)
return response, await response.json()
async def current(self, url, **kwargs):
response = await self.client.request(kwargs.pop("method", "GET"), url, **kwargs)
return response
async def media(self, start):
response, body = await self.outputs(start)
self.assertEqual(response.status, 200, body)
return body["items"][0]["current_candidate"]["media"]
def assert_error(self, response, body, status, code):
self.assertEqual(response.status, status, body)
self.assertFalse(body["success"])
self.assertEqual(body["history_version"], 1)
self.assertEqual(body["code"], code)
self.assertEqual(response.headers.get("Cache-Control"), "no-store")
self.assertNotIn(str(self.comfy_dir), json.dumps(body))
if body["recovery"] is not None:
self.assertIn(
body["recovery"]["action"],
("refresh-history", "reload-outputs", "retry-read", "smaller-limit"),
)
def saved_state(self):
conn = self.api.db.model.get_connection()
return {
table: [
tuple(row) for row in conn.execute(f"SELECT * FROM {table} ORDER BY id")
]
for table in (
"prompts",
"prompt_pairs",
"generated_images",
"image_prompt_pairs",
)
}
def restore_fixture(self):
source = str(self.comfy_dir / "restore.db")
self.assertTrue(self.api.db.model.backup_database(source))
return source
async def test_ordered_receipts_repeat_locators_without_context_ownership(self):
make_png(self.output_dir / "image.png")
start = self.capture([self.ref("1", 0), self.ref("1", 1), self.ref("2", 0)])
contexts = (
context_bundle("frozen A", anchor="1").contexts[0],
context_bundle("frozen B", anchor="2").contexts[0],
)
self.api.db.write_execution_contexts(
start.run_id,
start.storage_epoch,
ContextBundle(contexts, "complete", "captured"),
)
repeated = self.capture([self.ref()], item=1)
with patch.object(
self.api.db,
"get_execution_contexts",
side_effect=AssertionError("contexts x outputs"),
):
response, page = await self.outputs(
start, {"epoch": start.storage_epoch, "limit": "2"}
)
self.assertEqual(response.status, 200, page)
self.assertEqual(page["retained_occurrence_count"], 3)
self.assertEqual(page["list_status"], "complete")
self.assertEqual(
[
(r["occurrence"]["output_node_id"], r["occurrence"]["image_ordinal"])
for r in page["items"]
],
[("1", 0), ("1", 1)],
)
self.assertTrue(page["has_more"])
self.assertLessEqual(len(page["next_cursor"]), 4096)
_, second = await self.outputs(
start, {"epoch": start.storage_epoch, "cursor": page["next_cursor"]}
)
self.assertEqual(second["items"][0]["occurrence"]["output_node_id"], "2")
self.assertFalse(second["has_more"])
self.assertIsNone(second["next_cursor"])
_, other = await self.outputs(repeated)
self.assertNotEqual(other["items"][0]["occurrence"]["run_id"], start.run_id)
for receipt in page["items"] + second["items"] + other["items"]:
self.assertEqual(receipt["file_identity"], "unverified")
self.assertEqual(receipt["newly_generated"], "unknown")
self.assertEqual(receipt["context_membership"], "unknown")
self.assertNotIn("context_id", receipt)
candidate = receipt["current_candidate"]
self.assertEqual(candidate["status"], "available")
self.assertEqual(candidate["evidence_class"], "locator_candidate")
self.assertEqual(candidate["media"]["occurrence"], receipt["occurrence"])
self.assertEqual(candidate["media"]["reference"], receipt["reference"])
self.assertEqual(candidate["media"]["kind"], "reported-location")
for field in ("url", "thumbnail_url", "inspection_url"):
self.assertTrue(
candidate["media"][field].startswith(
"/prompt_manager/history/runs/"
f"{receipt['occurrence']['run_id']}/output/current/"
)
)
self.assertNotIn("root=", candidate["media"][field])
self.assertNotIn(str(self.comfy_dir), candidate["media"][field])
async def test_complete_zero_incomplete_unavailable_and_not_captured_are_distinct(
self,
):
cases = [
((), "complete", "none_reported", 0, "complete"),
((self.ref(),), "partial", "limit_reached", 1, "incomplete"),
((), "unavailable", "unavailable", 0, "incomplete"),
(None, "not_captured", None, None, "not_captured"),
]
for item, (refs, state, reason, count, status) in enumerate(cases):
start = self.capture(refs, item, state, reason)
response, page = await self.outputs(start)
self.assertEqual(response.status, 200, page)
self.assertEqual(page["capture"]["state"], state)
self.assertEqual(page["retained_occurrence_count"], count)
self.assertEqual(page["list_status"], status)
self.assertFalse(page["has_more"])
async def test_epoch_limits_cursor_scope_and_header_conflict(self):
start = self.capture([self.ref("1"), self.ref("2")])
allowed, page = await self.outputs(
start, {"epoch": start.storage_epoch, "limit": "1"}
)
self.assertEqual(allowed.status, 200, page)
for params in (
{},
{"epoch": "bad"},
{"epoch": start.storage_epoch, "limit": "0"},
{"epoch": start.storage_epoch, "limit": "101"},
{"epoch": start.storage_epoch, "cursor": "bad"},
):
response, error = await self.outputs(start, params)
self.assertEqual(response.status, 400, error)
token = page["next_cursor"]
other = self.capture([self.ref()], item=1)
response, error = await self.outputs(
other, {"epoch": start.storage_epoch, "cursor": token}
)
self.assert_error(response, error, 400, "invalid-cursor")
finish = make_finish(
SESSION, 0, start.storage_epoch, SimpleNamespace(messages=[]), 0
)
self.api.db.write_execution_outputs_for_finish(
finish,
OutputBundle((self.ref(filename="other.png"),), "complete", "reported"),
)
response, error = await self.outputs(
start, {"epoch": start.storage_epoch, "cursor": token}
)
self.assert_error(response, error, 409, "capture-changed")
_, current = await self.outputs(start)
self.assertEqual(current["capture"]["state"], "conflicting")
self.assertEqual(len(current["items"]), 2)
source = self.restore_fixture()
self.api.db.model.restore_from_file(source)
response, error = await self.outputs(start)
self.assert_error(response, error, 409, "history-changed")
async def test_metadata_free_malformed_and_replacement_remain_read_only(self):
path = make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
self.api.db.write_execution_contexts(
start.run_id,
start.storage_epoch,
context_bundle("Frozen-only negative", "Frozen-only positive"),
)
frozen_outputs = self.api.db.get_execution_outputs(start.run_id)
before = self.saved_state()
for metadata in (
{},
{"prompt": "{malformed"},
{"prompt": graph("Current file prompt")},
):
png(path, **metadata)
descriptor = await self.media(start)
response = await self.current(descriptor["url"])
self.assertEqual(response.status, 200)
self.assertEqual(await response.read(), path.read_bytes())
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assertEqual(response.status, 200, body)
identity = body["current_output"]
self.assertEqual(body.get("history_version"), 1)
self.assertEqual(body.get("history_epoch"), start.storage_epoch)
self.assertEqual(identity["occurrence"], descriptor["occurrence"])
self.assertEqual(identity["reference"], descriptor["reference"])
self.assertEqual(identity["history_epoch"], start.storage_epoch)
self.assertEqual(identity["current_scope"], descriptor["current_scope"])
self.assertEqual(identity["location_key"], descriptor["location_key"])
self.assertEqual(identity["file_identity"], "unverified")
self.assertEqual(body["file"]["observation"], "current-file")
self.assertNotIn("Frozen-only negative", json.dumps(body))
self.assertNotIn("Frozen-only positive", json.dumps(body))
self.assertEqual(self.saved_state(), before)
self.assertEqual(body["prompts"]["positive"]["text"], "Current file prompt")
self.assertEqual(
self.api.db.get_execution_outputs(start.run_id), frozen_outputs
)
async def test_exact_gallery_matches_do_not_choose_duplicate_owners_or_basename(
self,
):
path = make_png(self.output_dir / "image.png")
other = self.temp_dir / path.name
make_png(other)
self._link_image(other, "Other root")
start = self.capture([self.ref()])
_, page = await self.outputs(start)
self.assertEqual(page["items"][0]["current_candidate"]["gallery_match"], "none")
first = self._link_image(path, "first owner")
_, page = await self.outputs(start)
self.assertEqual(
page["items"][0]["current_candidate"]["gallery_image_id"], first
)
self._link_image(path, "second owner")
descriptor = await self.media(start)
_, page = await self.outputs(start)
candidate = page["items"][0]["current_candidate"]
self.assertEqual(candidate["gallery_match"], "ambiguous")
self.assertIsNone(candidate["gallery_image_id"])
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assertEqual(response.status, 200, body)
self.assertEqual(body["library"]["status"], "ambiguous")
self.assertIsNone(body["library"].get("positive_id"))
async def test_scope_reconfiguration_invalidates_urls_without_root_index_fallback(
self,
):
make_png(self.output_dir / "image.png")
make_png(self.temp_dir / "image.png", color=(0, 255, 0))
start = self.capture([self.ref()])
descriptor = await self.media(start)
self.api._get_all_output_dirs = lambda: [self.temp_dir, self.output_dir]
for field in ("url", "thumbnail_url", "inspection_url"):
response = await self.current(descriptor[field])
self.assert_error(response, await response.json(), 409, "candidate-stale")
current = await self.media(start)
response = await self.current(current["url"])
self.assertEqual(
await response.read(), (self.output_dir / "image.png").read_bytes()
)
self.api._get_all_output_dirs = lambda: [self.output_dir, self.temp_dir]
response = await self.current(current["url"])
self.assertEqual(response.status, 200)
self.assertEqual(
await response.read(), (self.output_dir / "image.png").read_bytes()
)
self.host_output = str(self.temp_dir)
_, page = await self.outputs(start)
self.assertEqual(
page["items"][0]["current_candidate"]["reason"], "namespace_mismatch"
)
async def test_occurrence_query_is_strict_and_viewer_cachebuster_is_compatible(
self,
):
make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
descriptor = await self.media(start)
allowed = await self.current(descriptor["url"] + "&_pm_viewer=123-2")
self.assertEqual(allowed.status, 200)
await allowed.read()
path = descriptor["url"].split("?")[0]
base = {
"node": "1",
"ordinal": "0",
"epoch": start.storage_epoch,
"current_scope": descriptor["current_scope"],
}
for key in base:
params = dict(base)
del params[key]
response = await self.current(path, params=params)
self.assertEqual(response.status, 400)
await response.read()
for values in (
{"node": ""},
{"node": "x" * 129},
{"node": "\0"},
{"ordinal": "256"},
{"ordinal": "01"},
{"current_scope": "A" * 64},
{"current_scope": "a" * 63},
):
response = await self.current(path, params={**base, **values})
self.assertEqual(response.status, 400, values)
await response.read()
response = await self.current(descriptor["url"] + "&node=1")
self.assertEqual(response.status, 400)
await response.read()
async def test_media_ranges_head_and_a_preview_made_on_first_view(self):
path = self.output_dir / "clip.mp4"
payload = bytes(range(256)) * 600
path.write_bytes(payload)
start = self.capture([self.ref(filename=path.name)])
descriptor = await self.media(start)
self.assertTrue(descriptor["is_video"])
for header, status, expected in (
(None, 200, payload),
("bytes=3-7", 206, payload[3:8]),
("bytes=-4", 206, payload[-4:]),
("bytes=153599-", 206, payload[-1:]),
):
response = await self.current(
descriptor["url"], headers={} if header is None else {"Range": header}
)
self.assertEqual(response.status, status)
self.assertEqual(await response.read(), expected)
self.assertEqual(response.headers.get("Cache-Control"), "no-store")
self.assertEqual(response.headers.get("Accept-Ranges"), "bytes")
for header in ("bytes=999999-", "bytes=0-2,5-9", "bytes=bad", "bytes=-0"):
response = await self.current(descriptor["url"], headers={"Range": header})
self.assertEqual(response.status, 416, header)
self.assertEqual(response.headers.get("Cache-Control"), "no-store")
await response.read()
response = await self.current(descriptor["url"], method="HEAD")
self.assertEqual(response.status, 200)
self.assertEqual(int(response.headers["Content-Length"]), len(payload))
self.assertEqual(await response.read(), b"")
# A missing preview is made on first view (#249): an undecodable video
# gets the placeholder frame, never the whole file, written in the
# thumbnail format (#317, WebP by default).
preview = self.output_dir / "thumbnails" / "clip_thumb.webp"
response = await self.current(descriptor["thumbnail_url"])
self.assertEqual(response.headers["Content-Type"], "image/webp")
self.assertEqual(await response.read(), preview.read_bytes())
self.assertLess(preview.stat().st_size, len(payload))
make_png(preview)
response = await self.current(descriptor["thumbnail_url"])
self.assertEqual(await response.read(), preview.read_bytes())
async def test_saved_lookup_failure_preserves_receipts_and_file_evidence(
self,
):
png(self.output_dir / "image.png", prompt=graph("File evidence"))
start = self.capture([self.ref()])
descriptor = await self.media(start)
history = importlib.import_module("py.api.history")
with (
self.assertLogs("prompt_manager.api", "WARNING"),
patch.object(
history,
"read_history_gallery",
side_effect=sqlite3.OperationalError("private/path"),
),
):
response, page = await self.outputs(start)
self.assertEqual(response.status, 200, page)
self.assertEqual(len(page["items"]), 1)
self.assertEqual(page["items"][0]["current_candidate"]["status"], "error")
self.assertNotIn("media", page["items"][0]["current_candidate"])
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assertEqual(response.status, 200, body)
self.assertEqual(body["prompts"]["positive"]["text"], "File evidence")
self.assertEqual(body["library"]["status"], "unavailable")
async def test_restore_during_candidate_stat_rejects_page(self):
path = make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
source = self.restore_fixture()
original = Path.stat
armed = True
def stat(candidate, *args, **kwargs):
nonlocal armed
result = original(candidate, *args, **kwargs)
if candidate == path and armed:
armed = False
self.api.db.model.restore_from_file(source)
return result
with patch.object(Path, "stat", stat):
response, body = await self.outputs(start)
self.assert_error(response, body, 409, "history-changed")
async def test_scope_change_during_candidate_stat_rejects_page(self):
path = make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
original = Path.stat
armed = True
def stat(candidate, *args, **kwargs):
nonlocal armed
result = original(candidate, *args, **kwargs)
if candidate == path and armed:
armed = False
self.host_output = str(self.temp_dir)
return result
with patch.object(Path, "stat", stat):
response, body = await self.outputs(start)
self.assert_error(response, body, 409, "candidate-stale")
async def test_restore_during_metadata_read_rejects_inspection(self):
path = png(self.output_dir / "image.png", prompt=graph())
start = self.capture([self.ref()])
descriptor = await self.media(start)
source = self.restore_fixture()
original = Path.open
armed = True
handles = []
def opened(candidate, *args, **kwargs):
nonlocal armed
handle = original(candidate, *args, **kwargs)
if candidate == path and args and args[0] == "rb":
handles.append(handle)
if armed:
armed = False
self.api.db.model.restore_from_file(source)
return handle
with patch.object(Path, "open", opened):
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assert_error(response, body, 409, "history-changed")
self.assertTrue(handles)
self.assertTrue(all(handle.closed for handle in handles))
async def test_restore_during_open_closes_handle_before_error_headers(self):
make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
descriptor = await self.media(start)
source = self.restore_fixture()
mod = importlib.import_module("py.api.history_current")
original = mod._open_current_target
handles = []
def opened(*args, **kwargs):
handle = original(*args, **kwargs)
handles.append(handle)
self.api.db.model.restore_from_file(source)
return handle
with patch.object(mod, "_open_current_target", side_effect=opened):
response = await self.current(descriptor["url"])
body = await response.json()
self.assert_error(response, body, 409, "history-changed")
self.assertTrue(all(handle.closed for handle in handles))
async def test_primary_projection_and_fence_failure_never_return_empty_success(
self,
):
make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
self.assertEqual((await self.outputs(start))[0].status, 200)
with (
self.assertLogs("prompt_manager.api", "WARNING"),
patch.object(
self.api.db,
"list_history_outputs",
side_effect=sqlite3.OperationalError("private"),
),
):
response, body = await self.outputs(start)
self.assert_error(response, body, 503, "storage-unavailable")
with (
self.assertLogs("prompt_manager.api", "WARNING"),
patch.object(
self.api._history_fence(),
"validate",
side_effect=sqlite3.DatabaseError("private"),
),
):
response, body = await self.outputs(start)
self.assert_error(response, body, 503, "storage-unavailable")
async def test_page_deduplicates_locators_and_closes_connection_before_io(
self,
):
make_png(self.output_dir / "image.png")
start = self.capture([self.ref("1", i) for i in range(105)])
self.assertEqual((await self.outputs(start))[0].status, 200)
history = importlib.import_module("py.api.history")
original = history.resolve_current_candidate
locators = []
def resolved(reference, scope, gallery):
self.assertIsNone(getattr(self.api.db.model._local, "conn", None))
locators.append(reference)
return original(reference, scope, gallery)
with patch.object(history, "resolve_current_candidate", side_effect=resolved):
response, body = await self.outputs(
start, {"epoch": start.storage_epoch, "limit": "100"}
)
self.assertEqual(response.status, 200, body)
self.assertEqual(len(body["items"]), 100)
self.assertEqual(len(locators), 1)
async def test_portable_utf8_page_budget_recovers_every_receipt_on_native_files(
self,
):
make_png(self.output_dir / "native-猫.png")
start = self.capture(
[self.ref("\x01\n猫" * 30, i, filename="native-猫.png") for i in range(100)]
)
response, page = await self.outputs(
start, {"epoch": start.storage_epoch, "limit": "100"}
)
self.assertEqual(response.status, 200, page)
self.assertTrue(
all(
item["current_candidate"]["status"] == "available"
for item in page["items"]
)
)
self.assertEqual(
page["items"][0]["reference"]["path_style"],
"windows" if os.name == "nt" else "posix",
)
encoded = await response.read()
self.assertIn(b"\\u0001", encoded)
self.assertIn(b"%01", encoded)
module = importlib.import_module("py.api.history")
with patch.object(module, "_OUTPUTS_MAX_BYTES", len(encoded)):
response, _ = await self.outputs(
start, {"epoch": start.storage_epoch, "limit": "100"}
)
self.assertEqual(response.status, 200)
with patch.object(module, "_OUTPUTS_MAX_BYTES", len(encoded) - 1):
response, error = await self.outputs(
start, {"epoch": start.storage_epoch, "limit": "100"}
)
self.assert_error(response, error, 422, "response-limit")
self.assertEqual(
error["recovery"], {"action": "smaller-limit", "limit": 50}
)
retained = []
cursor = None
for _ in range(2):
params = {"epoch": start.storage_epoch, "limit": "50"}
if cursor:
params["cursor"] = cursor
response, smaller = await self.outputs(start, params)
self.assertEqual(response.status, 200, smaller)
retained.extend(item["occurrence"] for item in smaller["items"])
cursor = smaller["next_cursor"]
self.assertIsNone(cursor)
self.assertEqual(retained, [item["occurrence"] for item in page["items"]])
with patch.object(module, "_OUTPUTS_MAX_BYTES", 1):
response, error = await self.outputs(
start, {"epoch": start.storage_epoch, "limit": "1"}
)
self.assert_error(response, error, 422, "response-limit")
self.assertIsNone(error["recovery"])
@skipUnless(os.name != "nt", "Control-character physical filenames require POSIX")
async def test_actual_control_heavy_page_uses_serialized_bytes_and_smaller_retry(
self,
):
name = "\x01\n猫.png"
make_png(self.output_dir / name)
refs = [self.ref("\x01\n猫" * 40, i, filename=name) for i in range(40)]
start = self.capture(refs)
response, body = await self.outputs(start)
self.assertEqual(response.status, 200, body)
encoded = await response.read()
self.assertIn(b"\\u0001", encoded)
self.assertIn(b"%01", encoded)
module = importlib.import_module("py.api.history")
with patch.object(module, "_OUTPUTS_MAX_BYTES", len(encoded)):
response, same = await self.outputs(start)
self.assertEqual(response.status, 200, same)
with patch.object(module, "_OUTPUTS_MAX_BYTES", len(encoded) - 1):
response, error = await self.outputs(start)
self.assert_error(response, error, 422, "response-limit")
self.assertEqual(
error["recovery"], {"action": "smaller-limit", "limit": 20}
)
response, smaller = await self.outputs(
start, {"epoch": start.storage_epoch, "limit": "20"}
)
self.assertEqual(response.status, 200, smaller)
self.assertEqual(len(smaller["items"]), 20)
with patch.object(module, "_OUTPUTS_MAX_BYTES", 1):
response, error = await self.outputs(
start, {"epoch": start.storage_epoch, "limit": "1"}
)
self.assert_error(response, error, 422, "response-limit")
self.assertIsNone(error["recovery"])
@skipUnless(os.name != "nt", "Control-character physical paths require POSIX")
async def test_legal_capture_can_exceed_one_mib_and_recover_without_lost_receipts(
self,
):
subfolder = "/".join(["\x01" * 175] * 4)
filename = "\x02" * 20 + ".png"
make_png(self.output_dir / subfolder / filename)
start = self.capture(
[
self.ref("\x03" * 128, i, filename, subfolder=subfolder)
for i in range(100)
]
)
response, error = await self.outputs(
start, {"epoch": start.storage_epoch, "limit": "100"}
)
self.assert_error(response, error, 422, "response-limit")
self.assertEqual(error["recovery"], {"action": "smaller-limit", "limit": 50})
response, page = await self.outputs(
start, {"epoch": start.storage_epoch, "limit": "50"}
)
self.assertEqual(response.status, 200, page)
self.assertLessEqual(len(await response.read()), 1024 * 1024)
self.assertEqual(len(page["items"]), 50)
response, next_page = await self.outputs(
start,
{
"epoch": start.storage_epoch,
"limit": "50",
"cursor": page["next_cursor"],
},
)
self.assertEqual(response.status, 200, next_page)
self.assertEqual(
[
r["occurrence"]["image_ordinal"]
for r in page["items"] + next_page["items"]
],
list(range(100)),
)
async def test_native_alias_allowed_and_foreign_null_temp_denials_keep_receipts(
self,
):
path = make_png(self.output_dir / "image.png")
alias = self.comfy_dir / "alias"
alias.symlink_to(self.output_dir, target_is_directory=True)
self.host_output = str(alias)
allowed = self.capture([self.ref()])
descriptor = await self.media(allowed)
response = await self.current(descriptor["url"])
self.assertEqual(response.status, 200)
self.assertEqual(await response.read(), path.read_bytes())
make_png(self.temp_dir / "image.png")
temp_key = snapshot_output_roots(
"windows" if os.name == "nt" else "posix", self.host_output, self.host_temp
).temp_key
denied = self.capture(
[
self.ref("1", root_key=None),
self.ref(
"2",
path_style="posix" if os.name == "nt" else "windows",
root_key="a" * 64,
),
self.ref("3", folder_type="temp", root_key=temp_key),
],
item=1,
state="partial",
reason="root_unavailable",
)
response, page = await self.outputs(denied)
self.assertEqual(response.status, 200, page)
self.assertEqual(
[r["current_candidate"]["reason"] for r in page["items"]],
["root_unavailable", "foreign_path_style", "not_authorized"],
)
self.assertTrue(
all("media" not in r["current_candidate"] for r in page["items"])
)
self.assertTrue(page["items"][2]["transient"])
async def test_unavailable_files_keep_receipts_and_current_routes_fail_closed(self):
path = make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
descriptor = await self.media(start)
path.unlink()
response, page = await self.outputs(start)
self.assertEqual(page["items"][0]["current_candidate"]["reason"], "missing")
for field in ("url", "thumbnail_url", "inspection_url"):
response = await self.current(descriptor[field])
self.assert_error(response, await response.json(), 404, "not-found")
path.mkdir()
_, page = await self.outputs(start)
self.assertEqual(
page["items"][0]["current_candidate"]["reason"], "not_regular_file"
)
path.rmdir()
path.write_bytes(b"media")
with patch("os.access", return_value=False):
_, page = await self.outputs(start)
self.assertEqual(
page["items"][0]["current_candidate"]["reason"], "unreadable"
)
response = await self.current(descriptor["url"])
self.assert_error(response, await response.json(), 403, "not-authorized")
path.unlink()
outside = make_png(self.temp_dir / "private.png")
path.symlink_to(outside)
_, page = await self.outputs(start)
self.assertEqual(
page["items"][0]["current_candidate"]["reason"], "not_authorized"
)
unsupported = self.capture([self.ref(filename="notes.txt")], item=1)
(self.output_dir / "notes.txt").symlink_to(outside)
self.api._get_all_output_dirs = lambda: [self.output_dir, self.temp_dir]
_, page = await self.outputs(unsupported)
self.assertEqual(
page["items"][0]["current_candidate"]["reason"], "unsupported_media"
)
async def test_scope_change_during_metadata_read_and_open_rejects_before_headers(
self,
):
png(self.output_dir / "image.png", prompt=graph())
start = self.capture([self.ref()])
descriptor = await self.media(start)
service = importlib.import_module("py.api.inspection_service")
read = service.read_inspection_file
def changed(path):
result = read(path)
self.host_output = str(self.temp_dir)
return result
with patch.object(service, "read_inspection_file", side_effect=changed):
response = await self.current(descriptor["inspection_url"])
self.assert_error(response, await response.json(), 409, "candidate-stale")
self.host_output = str(self.output_dir)
mod = importlib.import_module("py.api.history_current")
opened = mod._open_current_target
handles = []
def changed_open(*args, **kwargs):
handle = opened(*args, **kwargs)
handles.append(handle)
self.host_output = str(self.temp_dir)
return handle
with patch.object(mod, "_open_current_target", side_effect=changed_open):
response = await self.current(descriptor["url"])
self.assert_error(response, await response.json(), 409, "candidate-stale")
self.assertTrue(all(handle.closed for handle in handles))
async def test_canonical_target_symlink_retarget_at_open_never_opens_replacement(
self,
):
path = make_png(self.output_dir / "image.png")
outside = make_png(self.temp_dir / "private.png")
start = self.capture([self.ref()])
descriptor = await self.media(start)
mod = importlib.import_module("py.api.history_current")
opened = mod._open_current_target
def retarget(target, *args, **kwargs):
path.unlink()
path.symlink_to(outside)
return opened(target, *args, **kwargs)
with patch.object(mod, "_open_current_target", side_effect=retarget):
response = await self.current(descriptor["url"])
self.assert_error(response, await response.json(), 409, "candidate-stale")
async def test_late_open_handle_closes_when_request_is_cancelled_during_executor(
self,
):
make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
descriptor = await self.media(start)
request = make_mocked_request(
"GET", descriptor["url"], match_info={"run_id": start.run_id}
)
mod = importlib.import_module("py.api.history_current")
history = importlib.import_module("py.api.history")
opened = mod._open_current_target
discard = history._close_prepared_result
reached, closed = asyncio.Event(), asyncio.Event()
release = threading.Event()
loop = asyncio.get_running_loop()
handles = []
def barrier(*args, **kwargs):
handle = opened(*args, **kwargs)
handles.append(handle)
loop.call_soon_threadsafe(reached.set)
if not release.wait(5):
handle.close()
raise AssertionError("late-open barrier timed out")
return handle
def discarded(task):
discard(task)
closed.set()
with (
patch.object(mod, "_open_current_target", side_effect=barrier),
patch.object(history, "_close_prepared_result", side_effect=discarded),
):
pending = asyncio.create_task(self.api.get_history_current_media(request))
try:
await asyncio.wait_for(reached.wait(), 5)
pending.cancel()
with self.assertRaises(asyncio.CancelledError):
await asyncio.wait_for(pending, 5)
finally:
release.set()
await asyncio.wait_for(closed.wait(), 5)
self.assertEqual(len(handles), 1)
self.assertTrue(handles[0].closed)
async def test_opened_handle_closes_if_stream_is_cancelled_before_headers(self):
make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
descriptor = await self.media(start)
request = make_mocked_request(
"GET", descriptor["url"], match_info={"run_id": start.run_id}
)
mod = importlib.import_module("py.api.history_current")
opened = mod._open_current_target
handles = []
def tracked(*args, **kwargs):
handle = opened(*args, **kwargs)
handles.append(handle)
return handle
with (
patch.object(mod, "_open_current_target", side_effect=tracked),
patch.object(
web.StreamResponse, "prepare", side_effect=asyncio.CancelledError
),
):
with self.assertRaises(asyncio.CancelledError):
await self.api.get_history_current_media(request)
self.assertEqual(len(handles), 1)
self.assertTrue(handles[0].closed)
async def test_restore_after_final_fence_finishes_coherent_already_opened_media(
self,
):
path = make_png(self.output_dir / "image.png")
expected = path.read_bytes()
start = self.capture([self.ref()])
descriptor = await self.media(start)
source = self.restore_fixture()
fence = self.api._history_fence()
validate = fence.validate
mod = importlib.import_module("py.api.history_current")
close = mod._OpenedCurrentMedia.close
closed = asyncio.Event()
loop = asyncio.get_running_loop()
handles = []
blocked_unlinks = []
def track_close(opened):
close(opened)
handles.append(opened.handle)
loop.call_soon_threadsafe(closed.set)
def after(epoch, generation):
validate(epoch, generation)
self.api.db.model.restore_from_file(source)
try:
path.unlink()
except PermissionError:
if os.name != "nt":
raise
self.assertTrue(path.exists())
blocked_unlinks.append(path)
with (
patch.object(fence, "validate", side_effect=after),
patch.object(mod._OpenedCurrentMedia, "close", track_close),
):
response = await self.current(descriptor["url"])
self.assertEqual(response.status, 200)
self.assertEqual(await response.read(), expected)
await asyncio.wait_for(closed.wait(), 5)
self.assertEqual(len(handles), 1)
self.assertTrue(handles[0].closed)
for locked_path in blocked_unlinks:
locked_path.unlink()
self.assertFalse(path.exists())
response = await self.current(descriptor["url"])
self.assert_error(response, await response.json(), 409, "history-changed")
async def test_current_inspection_shares_response_limit_and_saved_display_bound(
self,
):
path = png(self.output_dir / "image.png", prompt=graph("File evidence"))
image = self._link_image(path, "Saved text is never frozen-run text")
with self.api.db.model.get_connection() as conn:
conn.execute(
"UPDATE prompts SET category=? WHERE id="
"(SELECT prompt_id FROM generated_images WHERE id=?)",
("猫" * 12000, image),
)
start = self.capture([self.ref()])
descriptor = await self.media(start)
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assertEqual(response.status, 200, body)
self.assertEqual(body["library"]["status"], "limited")
self.assertEqual(body["prompts"]["positive"]["text"], "File evidence")
with patch("utils.inspection_response.MAX_RESPONSE_BYTES", 1):
response = await self.current(descriptor["inspection_url"])
self.assert_error(response, await response.json(), 422, "response-limit")
async def test_optional_candidate_failure_preserves_every_occurrence_without_urls(
self,
):
make_png(self.output_dir / "image.png")
start = self.capture([self.ref("1"), self.ref("2")])
self.assertEqual((await self.outputs(start))[0].status, 200)
history = importlib.import_module("py.api.history")
with patch.object(
history, "resolve_current_candidate", side_effect=OSError("private/path")
):
response, page = await self.outputs(start)
self.assertEqual(response.status, 200, page)
self.assertEqual(len(page["items"]), 2)
self.assertEqual(page["retained_occurrence_count"], 2)
for receipt in page["items"]:
self.assertEqual(
receipt["current_candidate"],
{
"status": "error",
"reason": "temporary_unavailable",
"evidence_class": "locator_candidate",
},
)
self.assertEqual(receipt["file_identity"], "unverified")
self.assertNotIn("private", json.dumps(page))
async def test_page_observes_at_most_one_hundred_distinct_targets(self):
for ordinal in range(105):
make_png(self.output_dir / f"image-{ordinal}.png")
start = self.capture([self.ref("1", i, f"image-{i}.png") for i in range(105)])
observed = []
stat = Path.stat
def traced(path, *args, **kwargs):
if path.parent == self.output_dir and path.name.startswith("image-"):
observed.append(path.name)
return stat(path, *args, **kwargs)
with patch.object(Path, "stat", traced):
response, page = await self.outputs(
start, {"epoch": start.storage_epoch, "limit": "100"}
)
self.assertEqual(response.status, 200, page)
self.assertEqual(len(page["items"]), 100)
self.assertEqual(observed, [f"image-{i}.png" for i in range(100)])
async def test_inspection_retarget_during_read_rejects_metadata(self):
path = png(self.output_dir / "image.png", prompt=graph("Authorized"))
outside = png(self.temp_dir / "private.png", prompt=graph("Private"))
start = self.capture([self.ref()])
descriptor = await self.media(start)
service = importlib.import_module("py.api.inspection_service")
read = service.read_inspection_file
def changed(target):
result = read(target)
path.unlink()
path.symlink_to(outside)
return result
with patch.object(service, "read_inspection_file", side_effect=changed):
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assert_error(response, body, 409, "candidate-stale")
self.assertNotIn("Authorized", json.dumps(body))
self.assertNotIn("Private", json.dumps(body))
async def test_stale_epoch_rejects_urls_without_unbounded_saved_lookup(self):
make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
with patch.object(
self.api.db,
"get_image_prompt_info",
side_effect=AssertionError("unbounded convenience lookup"),
):
descriptor = await self.media(start)
response = await self.current(descriptor["inspection_url"])
self.assertEqual(response.status, 200)
await response.read()
source = self.restore_fixture()
self.api.db.model.restore_from_file(source)
for field in ("url", "thumbnail_url", "inspection_url"):
response = await self.current(descriptor[field])
self.assert_error(response, await response.json(), 409, "history-changed")
async def test_existing_authorized_preview_alias_is_allowed_and_escape_is_denied(
self,
):
make_png(self.output_dir / "image.png")
preview = make_png(
self.output_dir / "previews" / "image_thumb.png", color=(0, 255, 0)
)
alias = self.output_dir / "thumbnails"
alias.symlink_to(preview.parent, target_is_directory=True)
start = self.capture([self.ref()])
descriptor = await self.media(start)
response = await self.current(descriptor["thumbnail_url"])
self.assertEqual(response.status, 200, await response.read())
self.assertEqual(await response.read(), preview.read_bytes())
make_png(self.temp_dir / "image_thumb.png")
alias.unlink()
alias.symlink_to(self.temp_dir, target_is_directory=True)
response = await self.current(descriptor["thumbnail_url"])
self.assert_error(response, await response.json(), 403, "not-authorized")
async def test_missing_preview_is_never_made_through_a_linked_out_folder(self):
original = make_png(self.output_dir / "image.png", size=(64, 64))
elsewhere = self.temp_dir / "elsewhere"
elsewhere.mkdir()
(self.output_dir / "thumbnails").symlink_to(elsewhere, target_is_directory=True)
start = self.capture([self.ref()])
descriptor = await self.media(start)
response = await self.current(descriptor["thumbnail_url"])
self.assertEqual(response.status, 200)
self.assertEqual(await response.read(), original.read_bytes())
self.assertEqual(os.listdir(elsewhere), [])
async def test_missing_preview_is_never_made_through_a_linked_sub_folder(self):
# M6: every link segment of the preview's folder is checked.
original = make_png(self.output_dir / "sub" / "image.png", size=(64, 64))
elsewhere = self.temp_dir / "elsewhere"
elsewhere.mkdir()
(self.output_dir / "thumbnails").mkdir()
(self.output_dir / "thumbnails" / "sub").symlink_to(
elsewhere, target_is_directory=True
)
start = self.capture([self.ref(subfolder="sub")])
descriptor = await self.media(start)
response = await self.current(descriptor["thumbnail_url"])
self.assertEqual(response.status, 200)
self.assertEqual(await response.read(), original.read_bytes())
self.assertEqual(os.listdir(elsewhere), [])
async def test_a_video_preview_that_cannot_be_made_is_the_placeholder(self):
# I1: never the video bytes inside an <img>.
from py.api.jobs import RESTORE_JOB_KIND
(self.output_dir / "clip.webm").write_bytes(b"AV1 stream no decoder here")
start = self.capture([self.ref(filename="clip.webm")])
descriptor = await self.media(start)
gate = asyncio.Event()
async def runner(job):
await gate.wait()
job = self.api._jobs.start(
RESTORE_JOB_KIND,
"restore",
admission="records",
cancellable=False,
runner=runner,
)
try:
response = await self.current(descriptor["thumbnail_url"])
self.assertEqual(response.status, 200)
self.assertEqual(response.headers["Content-Type"], "image/jpeg")
self.assertTrue((await response.read()).startswith(b"\xff\xd8"))
finally:
gate.set()
await asyncio.wait_for(job.task, 5)
self.assertFalse((self.output_dir / "thumbnails").exists())
async def test_the_cover_is_the_preview_the_images_listing_shows(self):
# Review M5: JPEG XL configured with no encoder left writes WebP; the
# history cover prefers that WebP, like the Images listing.
from py.api import thumbnail_encode
from py.config import PromptManagerConfig
make_png(self.output_dir / "image.png")
folder = self.output_dir / "thumbnails"
folder.mkdir()
(folder / "image_thumb.jxl").write_bytes(b"\xff\x0a stale jxl")
webp = folder / "image_thumb.webp"
Image.new("RGB", (16, 16)).save(webp, "WEBP")
start = self.capture([self.ref()])
descriptor = await self.media(start)
with (
patch.object(PromptManagerConfig, "THUMBNAIL_FORMAT", "jxl"),
patch.object(thumbnail_encode, "detect_jxl_encoder", return_value=None),
):
response = await self.current(descriptor["thumbnail_url"])
body = await response.read()
self.assertEqual(response.headers["Content-Type"], "image/webp")
self.assertEqual(body, webp.read_bytes())
async def _jxl_cover(self, filename, accept):
from py.api import thumbnail_encode
from py.config import PromptManagerConfig
folder = self.output_dir / "thumbnails"
folder.mkdir(exist_ok=True)
stem = filename.rsplit(".", 1)[0]
jxl = folder / f"{stem}_thumb.jxl"
jxl.write_bytes(b"\xff\x0a jxl preview")
start = self.capture([self.ref(filename=filename)])
descriptor = await self.media(start)
headers = {"Accept": accept} if accept else {}
with (
patch.object(PromptManagerConfig, "THUMBNAIL_FORMAT", "jxl"),
patch.object(thumbnail_encode, "detect_jxl_encoder", return_value="cjxl"),
):
response = await self.current(descriptor["thumbnail_url"], headers=headers)
body = await response.read()
return response, body, jxl
async def test_a_jxl_cover_is_served_only_to_a_browser_that_accepts_it(self):
# Review M3: History's cover URL names no format, so the server picks:
# a browser that does not list image/jxl gets the original image.
original = make_png(self.output_dir / "image.png")
response, body, jxl = await self._jxl_cover(
"image.png", "image/avif,image/webp,image/*,*/*;q=0.8"
)
self.assertEqual(response.status, 200)
self.assertEqual(body, original.read_bytes())
self.assertEqual(response.headers["Content-Type"], "image/png")
self.assertTrue(jxl.exists())
async def test_a_browser_that_lists_image_jxl_gets_the_jxl_cover(self):
make_png(self.output_dir / "image.png")
response, body, jxl = await self._jxl_cover(
"image.png", "image/webp,image/avif,image/jxl,image/*;q=0.8"
)
self.assertEqual(response.headers["Content-Type"], "image/jxl")
self.assertEqual(body, jxl.read_bytes())
async def test_a_video_jxl_cover_is_the_placeholder_without_jxl_support(self):
(self.output_dir / "clip.webm").write_bytes(b"AV1 stream no decoder here")
response, body, _jxl = await self._jxl_cover("clip.webm", "image/*,*/*")
self.assertEqual(response.headers["Content-Type"], "image/jpeg")
self.assertTrue(body.startswith(b"\xff\xd8"))
async def test_a_preview_that_cannot_be_made_serves_the_original(self):
broken = self.output_dir / "image.png"
broken.write_bytes(b"\x89PNG\r\n\x1a\n not an image")
start = self.capture([self.ref()])
descriptor = await self.media(start)
response = await self.current(descriptor["thumbnail_url"])
self.assertEqual(response.status, 200)
self.assertEqual(await response.read(), broken.read_bytes())
self.assertFalse((self.output_dir / "thumbnails" / "image_thumb.png").exists())
async def test_disappearance_before_open_is_missing_and_closes_handle(
self,
):
path = make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
descriptor = await self.media(start)
mod = importlib.import_module("py.api.history_current")
opened = mod._open_current_target
def removed(target, *args, **kwargs):
path.unlink()
return opened(target, *args, **kwargs)
with patch.object(mod, "_open_current_target", side_effect=removed):
response = await self.current(descriptor["url"])
self.assert_error(response, await response.json(), 404, "not-found")
async def test_unexpected_inspection_failure_is_bounded_and_does_not_log_paths(
self,
):
make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
descriptor = await self.media(start)
private = "SECRET_PROMPT /private/root/image.png"
with patch(
"py.api.inspection_service.read_inspection_file",
side_effect=RuntimeError(private),
):
with self.assertLogs("prompt_manager.api", "WARNING") as logs:
response = await self.current(descriptor["inspection_url"])
self.assertEqual(response.content_type, "application/json")
body = await response.json()
self.assert_error(response, body, 503, "storage-unavailable")
self.assertNotIn(private, json.dumps(body) + " ".join(logs.output))
async def test_changed_epoch_or_scope_wins_over_failed_metadata_observation(self):
png(self.output_dir / "image.png", prompt=graph())
service = importlib.import_module("py.api.inspection_service")
read = service.read_inspection_file
for item, code in enumerate(("history-changed", "candidate-stale")):
with self.subTest(code=code):
start = self.capture([self.ref()], item=item)
descriptor = await self.media(start)
source = self.restore_fixture()
def failed(path):
read(path)
if code == "history-changed":
self.api.db.model.restore_from_file(source)
else:
self.host_output = str(self.temp_dir)
raise RuntimeError("private observation failure")
with patch.object(service, "read_inspection_file", side_effect=failed):
response = await self.current(descriptor["inspection_url"])
self.assert_error(response, await response.json(), 409, code)
async def test_current_media_open_io_failure_is_retryable_without_private_paths(
self,
):
make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
descriptor = await self.media(start)
response = await self.current(descriptor["url"])
self.assertEqual(response.status, 200)
await response.read()
with patch(
"py.api.history_current.os.open",
side_effect=OSError(errno.EIO, "private/root"),
):
response = await self.current(descriptor["url"])
body = await response.json()
self.assert_error(response, body, 503, "storage-unavailable")
self.assertEqual(body["recovery"], {"action": "retry-read"})
async def test_inspection_rejects_directory_replacement_before_parser(self):
path = png(self.output_dir / "image.png", prompt=graph("Current portrait"))
start = self.capture([self.ref()])
descriptor = await self.media(start)
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assertEqual(response.status, 200, body)
self.assertEqual(body["prompts"]["positive"]["text"], "Current portrait")
service = importlib.import_module("py.api.inspection_service")
inspect = service.inspect_current_file
read = service.read_inspection_file
reads = []
def replaced(target, **kwargs):
path.unlink()
path.mkdir()
return inspect(target, **kwargs)
def traced(target):
reads.append(target)
return read(target)
with patch("py.api.history.inspect_current_file", side_effect=replaced):
with patch.object(service, "read_inspection_file", side_effect=traced):
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assert_error(response, body, 409, "candidate-stale")
self.assertEqual(reads, [], "Nonregular targets must not reach the parser")
self.assertTrue(path.is_dir())
self.assertNotIn("Current portrait", json.dumps(body))
@skipUnless(os.name == "posix", "FIFO replacement is a POSIX filesystem case")
async def test_inspection_rejects_fifo_replacement_before_parser(self):
path = make_png(self.output_dir / "image.png")
start = self.capture([self.ref()])
descriptor = await self.media(start)
response = await self.current(descriptor["inspection_url"])
self.assertEqual(response.status, 200, await response.json())
service = importlib.import_module("py.api.inspection_service")
inspect = service.inspect_current_file
reads = []
def replaced(target, **kwargs):
path.unlink()
os.mkfifo(path)
return inspect(target, **kwargs)
def forbidden(target):
reads.append(target)
raise AssertionError("FIFO must be rejected before a metadata open")
with patch("py.api.history.inspect_current_file", side_effect=replaced):
with patch.object(service, "read_inspection_file", side_effect=forbidden):
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assert_error(response, body, 409, "candidate-stale")
self.assertEqual(reads, [], "A FIFO must never reach the blocking parser")
async def test_inspection_rejects_unreadable_file_before_parser(self):
path = png(self.output_dir / "image.png", prompt=graph("Readable portrait"))
start = self.capture([self.ref()])
descriptor = await self.media(start)
service = importlib.import_module("py.api.inspection_service")
inspect = service.inspect_current_file
read = service.read_inspection_file
access = os.access
revoked = False
reads = []
def unreadable(target, **kwargs):
nonlocal revoked
revoked = True
return inspect(target, **kwargs)
def current_access(target, mode, **kwargs):
if revoked and Path(target) == path:
return False
return access(target, mode, **kwargs)
def traced(target):
reads.append(target)
return read(target)
with patch("py.api.history.inspect_current_file", side_effect=unreadable):
with patch("os.access", side_effect=current_access):
with patch.object(service, "read_inspection_file", side_effect=traced):
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assert_error(response, body, 409, "candidate-stale")
self.assertEqual(reads, [], "Unreadable targets must not reach the parser")
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assertEqual(response.status, 200, body)
self.assertEqual(body["prompts"]["positive"]["text"], "Readable portrait")
async def test_inspection_rejects_directory_replacement_after_parser(self):
path = png(self.output_dir / "image.png", prompt=graph("Current portrait"))
start = self.capture([self.ref()])
descriptor = await self.media(start)
service = importlib.import_module("py.api.inspection_service")
read = service.read_inspection_file
def replaced(target):
result = read(target)
path.unlink()
path.mkdir()
return result
with patch.object(service, "read_inspection_file", side_effect=replaced):
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assert_error(response, body, 409, "candidate-stale")
self.assertNotIn("Current portrait", json.dumps(body))
async def test_inspection_rejects_readability_revoked_after_parser(self):
path = png(self.output_dir / "image.png", prompt=graph("Readable portrait"))
before = path.read_bytes()
start = self.capture([self.ref()])
descriptor = await self.media(start)
service = importlib.import_module("py.api.inspection_service")
read = service.read_inspection_file
access = os.access
revoked = False
def changed(target):
nonlocal revoked
result = read(target)
revoked = True
return result
def current_access(target, mode, **kwargs):
if revoked and Path(target) == path:
return False
return access(target, mode, **kwargs)
with patch.object(service, "read_inspection_file", side_effect=changed):
with patch("os.access", side_effect=current_access):
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assert_error(response, body, 409, "candidate-stale")
self.assertNotIn("Readable portrait", json.dumps(body))
self.assertEqual(path.read_bytes(), before)
response = await self.current(descriptor["inspection_url"])
body = await response.json()
self.assertEqual(response.status, 200, body)
self.assertEqual(body["prompts"]["positive"]["text"], "Readable portrait")