Vito Sansevero
d62c37df77
An old thumbnail the finishing move cannot remove (held open on Windows) is now an error row of the job with its path, and logged; a failed copy's temp that cannot go is logged with its path. Every except that only passes says why, and the thread runners say their caller re-raises.
524 lines
23 KiB
Python
524 lines
23 KiB
Python
"""Move thumbnails (#320 PR 3): the reviewed job in every direction, its
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failure, cancel and restart paths, Recreate and the removed-sources scope.
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Each test runs against a temp config.json (``AdminAPITestCase``) and a temp
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journal; jobs are awaited through their task, never a timer.
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"""
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import json
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import os
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import re
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import sys
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import unittest
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from pathlib import Path
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from unittest.mock import patch
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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try:
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from tests.test_api_admin import AdminAPITestCase
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from tests.test_api_images import make_png
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except ImportError: # discovered with tests/ as the top-level directory
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from test_api_admin import AdminAPITestCase
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from test_api_images import make_png
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from py.api import preview_location, preview_store # noqa: E402
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from py.api import thumbnail_move_files as files # noqa: E402
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from py.api import thumbnail_move_plan as move_plan # noqa: E402
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from py.config import PromptManagerConfig # noqa: E402
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REPO = Path(__file__).resolve().parent.parent
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PLAN = "/prompt_manager/images/thumbnails/plan"
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START = "/prompt_manager/jobs/thumbnails"
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class MoveCase(AdminAPITestCase):
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async def asyncSetUp(self):
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await super().asyncSetUp()
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self.api._get_all_output_dirs = lambda: [self.output_dir]
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self.api.recover_thumbnail_move()
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self.journal = Path(self.tmpdir) / "data" / "thumbnail-move.json"
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for target in (move_plan,):
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patcher = patch.object(target, "journal_path", lambda: str(self.journal))
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patcher.start()
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self.addCleanup(patcher.stop)
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default = patch(
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"py.api.thumbnail_move_plan.default_path",
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lambda: str(Path(self.tmpdir) / "default-thumbs"),
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)
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default.start()
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self.addCleanup(default.stop)
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self.addCleanup(preview_store.configure, None)
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self.addCleanup(setattr, PromptManagerConfig, "THUMBNAIL_LOCATION", None)
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self.old_store = self.output_dir / "thumbnails"
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self.folder = Path(self.tmpdir) / "thumbs"
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# Two media files with previews, an orphan, a temp and a note.
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make_png(self.output_dir / "a.png", size=(8, 8))
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make_png(self.output_dir / "sub" / "b.png", size=(8, 8))
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make_png(self.old_store / "a_thumb.webp", size=(4, 4))
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make_png(self.old_store / "sub" / "b_thumb.webp", size=(4, 4))
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make_png(self.old_store / "gone_thumb.webp", size=(4, 4))
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(self.old_store / ".a_thumb.part-1-1.webp").write_bytes(b"t")
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(self.old_store / "notes.txt").write_text("mine", encoding="utf-8")
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async def plan(self, location):
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resp = await self.client.post(PLAN, json={"mode": "move", "location": location})
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return resp.status, await resp.json()
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async def move(self, location, confirmed=True):
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status, plan = await self.plan(location)
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self.assertEqual(status, 200, plan)
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resp = await self.client.post(
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START, json={"mode": "move", "token": plan["token"], "confirmed": confirmed}
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)
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body = await resp.json()
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self.assertEqual(resp.status, 202, body)
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job = self.api._jobs.get(body["job"]["id"])
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await job.task
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return plan, job
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def config(self):
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with open(self.config_path, encoding="utf-8") as handle:
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return json.load(handle)
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def key_files(self, folder=None):
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folder = folder or self.folder
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return sorted(
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p.relative_to(folder).as_posix()
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for p in folder.rglob("*")
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if p.is_file() and p.name != preview_location.MARKER_NAME
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)
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class TestMoveToAFolder(MoveCase):
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async def test_review_counts_what_moves_is_removed_and_stays(self):
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status, plan = await self.plan({"mode": "folder", "path": str(self.folder)})
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self.assertEqual(status, 200, plan)
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totals = plan["totals"]
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self.assertEqual(
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(
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totals["files"],
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totals["orphans"],
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totals["temps"],
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totals["left_in_place"],
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),
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(2, 1, 1, 1),
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)
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self.assertTrue(plan["confirm_required"])
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self.assertTrue(plan["to"]["will_create"])
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self.assertFalse(self.folder.exists()) # the review writes nothing
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async def test_a_move_copies_switches_and_removes_old_copies(self):
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before = (self.output_dir / "a.png").read_bytes()
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_plan, job = await self.move({"mode": "folder", "path": str(self.folder)})
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self.assertEqual(job.state, "finished", job.log)
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self.assertEqual(job.counters["moved"], 2)
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keys = self.key_files()
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self.assertEqual(len(keys), 2)
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self.assertTrue(all(re.match(r"^output-[0-9a-f]{8}/", k) for k in keys))
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location = self.config()["thumbnails"]["location"]
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self.assertEqual(
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(location["mode"], location["path"]), ("folder", str(self.folder))
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)
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self.assertEqual(location["cleanup"], [])
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self.assertEqual(preview_store.current().mode, "folder")
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# Old copies, the orphan and the temp went; the note stays, so its
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# folder stays; originals are untouched.
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self.assertEqual(
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sorted(p.name for p in self.old_store.rglob("*")), ["notes.txt"]
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)
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self.assertEqual((self.output_dir / "a.png").read_bytes(), before)
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self.assertFalse(self.journal.exists())
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copied = next(self.folder.rglob("a_thumb.webp"))
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self.assertEqual(copied.stat().st_mtime_ns % files.MTIME_STEP_NS, 0)
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async def test_the_move_back_removes_the_folder_it_made(self):
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await self.move({"mode": "folder", "path": str(self.folder)})
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_plan, job = await self.move({"mode": "source"})
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self.assertEqual(job.state, "finished", job.log)
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self.assertTrue((self.old_store / "a_thumb.webp").is_file())
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self.assertTrue((self.old_store / "sub" / "b_thumb.webp").is_file())
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self.assertFalse(self.folder.exists())
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self.assertEqual(self.config()["thumbnails"]["location"]["mode"], "source")
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async def test_folder_to_folder_keeps_the_key_names(self):
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await self.move({"mode": "folder", "path": str(self.folder)})
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first = self.key_files()
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other = Path(self.tmpdir) / "thumbs2"
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_plan, job = await self.move({"mode": "folder", "path": str(other)})
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self.assertEqual(job.state, "finished", job.log)
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self.assertEqual(self.key_files(other), first)
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self.assertFalse(self.folder.exists())
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async def test_previews_of_sources_no_longer_listed_go_when_leaving(self):
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await self.move({"mode": "folder", "path": str(self.folder)})
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setting = preview_store.setting()
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def add(marker):
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marker["keys"]["old-0123abcd"] = {
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"path": "/gone",
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"identity": "/gone",
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"install": setting.install,
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}
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preview_location.write_marker(str(self.folder), add)
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make_png(self.folder / "old-0123abcd" / "x_thumb.webp", size=(4, 4))
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preview_store.refresh()
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status, plan = await self.plan({"mode": "source"})
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self.assertEqual(status, 200)
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self.assertEqual(plan["totals"]["unlisted_sources"], 1)
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_, job = await self.move({"mode": "source"})
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self.assertEqual(job.state, "finished", job.log)
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self.assertFalse(self.folder.exists())
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async def test_confirmation_and_a_stale_token(self):
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status, plan = await self.plan({"mode": "folder", "path": str(self.folder)})
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resp = await self.client.post(
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START, json={"mode": "move", "token": plan["token"]}
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)
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self.assertEqual((await resp.json())["code"], "confirmation-required")
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resp = await self.client.post(
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START, json={"mode": "move", "token": "nope", "confirmed": True}
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)
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self.assertEqual(resp.status, 409)
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self.assertEqual((await resp.json())["code"], "plan-stale")
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async def test_a_folder_that_is_too_small_is_refused(self):
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with patch.object(move_plan, "_free", lambda _path: 1):
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status, body = await self.plan({"mode": "folder", "path": str(self.folder)})
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self.assertEqual(status, 507)
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self.assertEqual(body["code"], "insufficient-space")
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async def test_validation_refusals_come_back_in_place(self):
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status, body = await self.plan(
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{"mode": "folder", "path": str(self.output_dir / "thumbs")}
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)
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self.assertEqual((status, body["code"]), (400, "location-served"))
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status, body = await self.plan({"mode": "source"})
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self.assertEqual(body["code"], "location-same")
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class TestFailures(MoveCase):
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async def test_a_per_file_error_still_switches_and_removes_its_old_copy(self):
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real = files.copy_one
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def failing(source, destination, *args, **kwargs):
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if Path(source).name == "a_thumb.webp":
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raise files.CopyFailed("Could not be read; made again on view")
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return real(source, destination, *args, **kwargs)
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with patch.object(files, "copy_one", failing):
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_plan, job = await self.move({"mode": "folder", "path": str(self.folder)})
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self.assertEqual(job.state, "finished")
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self.assertEqual((job.counters["moved"], job.counters["errors"]), (1, 1))
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self.assertFalse((self.old_store / "a_thumb.webp").exists())
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async def test_a_folder_wide_error_changes_nothing(self):
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def gone(*_args, **_kwargs):
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raise files.FolderGone("disk full")
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with patch.object(files, "copy_one", gone):
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_plan, job = await self.move({"mode": "folder", "path": str(self.folder)})
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self.assertEqual(job.state, "failed")
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self.assertIn("nothing changed", job.status_line)
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self.assertFalse(self.folder.exists())
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self.assertTrue((self.old_store / "a_thumb.webp").is_file())
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self.assertEqual(preview_store.current().mode, "source")
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self.assertFalse(self.journal.exists())
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async def test_cancel_before_the_switch_changes_nothing(self):
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status, plan = await self.plan({"mode": "folder", "path": str(self.folder)})
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real = self.api._move_copy_one
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def cancel_first(pair, **kwargs):
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job = self.api._jobs.active("thumbnails")
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job.cancelled = True
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return real(pair, **kwargs)
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with patch.object(self.api, "_move_copy_one", cancel_first):
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resp = await self.client.post(
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START, json={"mode": "move", "token": plan["token"], "confirmed": True}
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)
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job = self.api._jobs.get((await resp.json())["job"]["id"])
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await job.task
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self.assertEqual(job.state, "cancelled")
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self.assertFalse(self.folder.exists())
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self.assertEqual(preview_store.current().mode, "source")
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async def test_an_exit_during_the_copy_leaves_the_journal_for_the_next_start(self):
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status, plan = await self.plan({"mode": "folder", "path": str(self.folder)})
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real = self.api._move_copy_one
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exiting = {"now": False}
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def exit_after(pair, **kwargs):
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result = real(pair, **kwargs)
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exiting["now"] = True # the interpreter starts exiting
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return result
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from py.api import thumbnail_move
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with (
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patch.object(self.api, "_move_copy_one", exit_after),
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patch.object(
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thumbnail_move.exit_signal, "requested", lambda: exiting["now"]
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),
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):
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resp = await self.client.post(
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START, json={"mode": "move", "token": plan["token"], "confirmed": True}
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)
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job = self.api._jobs.get((await resp.json())["job"]["id"])
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await job.task
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self.assertTrue(self.journal.exists())
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self.assertTrue(self.key_files()) # partial copies were left
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# The next start undoes it: copies and the created folder go.
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self.api._move_recovered = False
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self.api.recover_thumbnail_move()
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self.assertFalse(self.journal.exists())
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self.assertFalse(self.folder.exists())
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self.assertTrue((self.old_store / "a_thumb.webp").is_file())
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class TestRestart(MoveCase):
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async def test_a_journal_left_after_the_switch_is_forgotten(self):
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await self.move({"mode": "folder", "path": str(self.folder)})
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self.journal.parent.mkdir(parents=True, exist_ok=True)
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self.journal.write_text(
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json.dumps(
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{"state": "copying", "to": {"mode": "folder", "path": str(self.folder)}}
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),
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encoding="utf-8",
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)
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self.api._move_recovered = False
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self.api.recover_thumbnail_move()
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self.assertFalse(self.journal.exists())
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self.assertTrue(self.key_files())
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async def test_old_copies_that_waited_are_removed_by_the_finishing_job(self):
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with patch.object(files, "remove_file", lambda path, **_k: False):
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_plan, job = await self.move({"mode": "folder", "path": str(self.folder)})
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self.assertTrue(preview_store.setting().cleanup)
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self.assertTrue((self.old_store / "a_thumb.webp").exists())
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# Each removal that failed is an error the job counts and lists by path.
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rows = job.outcomes["errors"]
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self.assertEqual(job.counters["errors"], len(rows))
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self.assertIn("sub/b_thumb.webp", {row["path"] for row in rows})
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self.assertTrue(all("next start" in row["detail"] for row in rows))
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job = await self.api.finish_thumbnail_move()
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await job.task
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self.assertEqual(job.title, "Move thumbnails (finishing)")
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self.assertFalse((self.old_store / "a_thumb.webp").exists())
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self.assertEqual(self.config()["thumbnails"]["location"]["cleanup"], [])
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class TestAdmission(MoveCase):
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async def test_automatic_previews_and_setting_changes_wait_for_the_move(self):
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status, plan = await self.plan({"mode": "folder", "path": str(self.folder)})
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seen = {}
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real = self.api._move_copy_one
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def observe(pair, **kwargs):
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seen["blocker"] = self.api._auto_thumbnail_blocker()
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return real(pair, **kwargs)
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with patch.object(self.api, "_move_copy_one", observe):
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resp = await self.client.post(
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START, json={"mode": "move", "token": plan["token"], "confirmed": True}
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)
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job = self.api._jobs.get((await resp.json())["job"]["id"])
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refused = self.api._thumbnail_change_refused({"THUMBNAIL_QUALITY": 5})
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self.assertEqual(refused.status, 409)
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await job.task
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self.assertIs(seen["blocker"], job)
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def test_the_move_never_trims_memory_and_copies_on_the_job_pool(self):
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text = "".join(
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(REPO / "py" / "api" / name).read_text(encoding="utf-8")
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for name in ("thumbnail_move.py", "thumbnail_prune.py")
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)
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self.assertNotIn("_release_job_memory", text)
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self.assertIn("map_parallel", (REPO / "py/api/thumbnail_move.py").read_text())
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class TestPrune(MoveCase):
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async def test_only_this_installs_removed_sources_go(self):
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await self.move({"mode": "folder", "path": str(self.folder)})
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install = preview_store.setting().install
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def add(marker):
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marker["keys"]["old-0123abcd"] = {"identity": "/gone", "install": install}
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marker["keys"]["theirs-0123abcd"] = {"identity": "/x", "install": "other"}
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preview_location.write_marker(str(self.folder), add)
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make_png(self.folder / "old-0123abcd" / "x_thumb.webp", size=(4, 4))
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make_png(self.folder / "theirs-0123abcd" / "y_thumb.webp", size=(4, 4))
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preview_store.refresh()
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resp = await self.client.get(PLAN + "?mode=prune")
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body = await resp.json()
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self.assertEqual([s["key"] for s in body["sources"]], ["old-0123abcd"])
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self.assertIn("1 source no longer listed", body["line"])
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resp = await self.client.post(START, json={"mode": "prune"})
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job = self.api._jobs.get((await resp.json())["job"]["id"])
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await job.task
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self.assertFalse((self.folder / "old-0123abcd").exists())
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self.assertTrue((self.folder / "theirs-0123abcd" / "y_thumb.webp").exists())
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keys = preview_location.read_marker(str(self.folder))["keys"]
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self.assertNotIn("old-0123abcd", keys)
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class TestRecreate(MoveCase):
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async def test_recreate_and_its_refusals(self):
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await self.move({"mode": "folder", "path": str(self.folder)})
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url = "/prompt_manager/images/thumbnails/location/recreate"
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resp = await self.client.post(url)
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self.assertEqual((await resp.json())["code"], "location-has-marker")
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for child in sorted(self.folder.rglob("*"), reverse=True):
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child.rmdir() if child.is_dir() else child.unlink()
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self.folder.rmdir()
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self.assertFalse(preview_store.refresh())
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resp = await self.client.post(url)
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self.assertEqual(resp.status, 200, await resp.text())
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self.assertTrue(preview_store.current().available)
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self.assertNotEqual(self.config()["thumbnails"]["location"]["id"], None)
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async def test_use_this_folder_adopts_another_marker(self):
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await self.move({"mode": "folder", "path": str(self.folder)})
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marker = preview_location.read_marker(str(self.folder))
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marker["id"] = "someone-else"
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(self.folder / preview_location.MARKER_NAME).write_text(
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json.dumps(marker), encoding="utf-8"
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)
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self.assertFalse(preview_store.refresh())
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resp = await self.client.post(
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"/prompt_manager/images/thumbnails/location/adopt"
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)
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self.assertEqual(resp.status, 200, await resp.text())
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self.assertTrue(preview_store.current().available)
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self.assertEqual(self.config()["thumbnails"]["location"]["id"], "someone-else")
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class TestFiles(unittest.TestCase):
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def test_mtime_rounds_up_to_two_seconds(self):
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self.assertEqual(files.rounded_mtime_ns(0), 0)
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self.assertEqual(files.rounded_mtime_ns(1), files.MTIME_STEP_NS)
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self.assertEqual(
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files.rounded_mtime_ns(files.MTIME_STEP_NS), files.MTIME_STEP_NS
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)
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def test_long_windows_destinations_are_per_file_errors(self):
|
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self.assertTrue(files.too_long("D:\\" + "x" * 240, long_paths=False))
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self.assertFalse(files.too_long("D:\\x", long_paths=False))
|
|
|
|
def test_a_failed_copys_temp_that_cannot_go_is_logged(self):
|
|
with patch.object(files.os, "unlink", side_effect=PermissionError("held")):
|
|
with self.assertLogs("prompt_manager.thumbnails", "WARNING") as logs:
|
|
self.assertFalse(files._unlink("D:/thumbs/.pm-move-1.tmp"))
|
|
self.assertIn(".pm-move-1.tmp", logs.output[0])
|
|
with patch.object(files.os, "unlink", side_effect=FileNotFoundError()):
|
|
self.assertTrue(files._unlink("gone"))
|
|
|
|
def test_a_held_open_file_is_retried_then_left(self):
|
|
waits = []
|
|
error = OSError("in use")
|
|
error.winerror = 32
|
|
with patch.object(files.os, "unlink", side_effect=error):
|
|
self.assertFalse(files.remove_file("x", sleep=waits.append))
|
|
self.assertEqual(waits, [0.5, 1.0, 2.0])
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|
|
|
|
|
|
class TestReviewFindings(MoveCase):
|
|
async def test_moving_back_never_removes_previews_a_waiting_cleanup_named(self):
|
|
await self.move({"mode": "folder", "path": str(self.folder)})
|
|
other = Path(self.tmpdir) / "thumbs2"
|
|
# The old copies in the first folder cannot go yet (held open).
|
|
with patch.object(files, "remove_file", lambda path, **_k: False):
|
|
await self.move({"mode": "folder", "path": str(other)})
|
|
self.assertTrue(preview_store.setting().cleanup)
|
|
_plan, job = await self.move({"mode": "folder", "path": str(self.folder)})
|
|
self.assertEqual(job.state, "finished", job.log)
|
|
self.assertEqual(len(self.key_files()), 2) # the previews moved back stay
|
|
|
|
@unittest.skipUnless(hasattr(os, "symlink"), "needs symlinks")
|
|
def test_empty_folder_removal_never_walks_through_a_link(self):
|
|
outside = Path(self.tmpdir) / "outside"
|
|
(outside / "empty").mkdir(parents=True)
|
|
(outside / "Thumbs.db").write_bytes(b"x")
|
|
store = Path(self.tmpdir) / "store"
|
|
store.mkdir()
|
|
try:
|
|
(store / "link").symlink_to(outside, target_is_directory=True)
|
|
except OSError:
|
|
self.skipTest("symlinks not permitted")
|
|
files.remove_empty_folders(store)
|
|
self.assertTrue((outside / "empty").is_dir())
|
|
self.assertTrue((outside / "Thumbs.db").exists())
|
|
|
|
@unittest.skipUnless(os.name == "nt", "junctions are Windows only")
|
|
def test_empty_folder_removal_never_walks_through_a_junction(self):
|
|
import _winapi
|
|
|
|
outside = Path(self.tmpdir) / "outside-j"
|
|
(outside / "empty").mkdir(parents=True)
|
|
(outside / "Thumbs.db").write_bytes(b"x")
|
|
store = Path(self.tmpdir) / "store-j"
|
|
store.mkdir()
|
|
_winapi.CreateJunction(str(outside), str(store / "junction"))
|
|
files.remove_empty_folders(store)
|
|
self.assertTrue((outside / "empty").is_dir())
|
|
self.assertTrue((outside / "Thumbs.db").exists())
|
|
|
|
async def test_an_unexpected_error_while_copying_changes_nothing(self):
|
|
def broken(*_args, **_kwargs):
|
|
raise PermissionError("denied")
|
|
|
|
with patch.object(files, "_make_folders", broken):
|
|
_plan, job = await self.move({"mode": "folder", "path": str(self.folder)})
|
|
self.assertEqual(job.state, "failed")
|
|
self.assertFalse(self.journal.exists())
|
|
self.assertFalse(self.folder.exists())
|
|
self.assertEqual(preview_store.current().mode, "source")
|
|
|
|
async def test_a_journal_that_cannot_be_removed_never_undoes_the_switch(self):
|
|
from py.api import thumbnail_move
|
|
|
|
real = thumbnail_move._remove
|
|
|
|
def stuck(path):
|
|
if str(path) == str(self.journal):
|
|
raise PermissionError("in use")
|
|
return real(path)
|
|
|
|
with patch.object(thumbnail_move, "_remove", stuck):
|
|
_plan, job = await self.move({"mode": "folder", "path": str(self.folder)})
|
|
self.assertEqual(job.state, "finished", job.log)
|
|
self.assertEqual(len(self.key_files()), 2)
|
|
self.assertEqual(preview_store.current().mode, "folder")
|
|
|
|
async def test_a_hostile_key_is_never_pruned(self):
|
|
await self.move({"mode": "folder", "path": str(self.folder)})
|
|
victim = Path(self.tmpdir) / "victim"
|
|
make_png(victim / "z_thumb.webp", size=(4, 4))
|
|
marker = preview_location.read_marker(str(self.folder))
|
|
marker["keys"]["../victim"] = {"identity": "/gone", "install": marker_install()}
|
|
(self.folder / preview_location.MARKER_NAME).write_text(
|
|
json.dumps(marker), encoding="utf-8"
|
|
)
|
|
preview_store.refresh()
|
|
resp = await self.client.post(START, json={"mode": "prune"})
|
|
job = self.api._jobs.get((await resp.json())["job"]["id"])
|
|
await job.task
|
|
self.assertTrue((victim / "z_thumb.webp").exists())
|
|
|
|
def test_a_hand_edited_source_store_must_be_a_thumbnails_folder(self):
|
|
elsewhere = Path(self.tmpdir) / "photos"
|
|
make_png(elsewhere / "keep_thumb.webp", size=(4, 4))
|
|
self.assertTrue(self.api._remove_store(elsewhere, None, None))
|
|
self.assertTrue((elsewhere / "keep_thumb.webp").exists())
|
|
|
|
|
|
def marker_install():
|
|
return preview_store.setting().install
|