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my-project-public — gitlawb

#1	"""Regression tests for TripleStore default data-directory handling."""
#2
#3	import os
#4	import subprocess
#5	import sys
#6	import textwrap
#7	from pathlib import Path
#8
#9
#10	def _run_python(script: str, *, home: Path, data_dir: Path) -> subprocess.CompletedProcess:
#11	env = os.environ.copy()
#12	env["HOME"] = str(home)
#13	env["MNEMOSYNE_DATA_DIR"] = str(data_dir)
#14	env.pop("PYTHONHOME", None)
#15
#16	return subprocess.run(
#17	[sys.executable, "-c", textwrap.dedent(script)],
#18	text=True,
#19	capture_output=True,
#20	env=env,
#21	check=False,
#22	)
#23
#24
#25	def test_triplestore_default_db_uses_mnemosyne_data_dir(tmp_path):
#26	"""TripleStore() should keep triples.db beside the configured memory DBs."""
#27	home = tmp_path / "home"
#28	data_dir = tmp_path / "configured-data"
#29
#30	result = _run_python(
#31	"""
#32	from mnemosyne.core.triples import TripleStore
#33
#34	store = TripleStore()
#35	print(store.db_path)
#36	""",
#37	home=home,
#38	data_dir=data_dir,
#39	)
#40
#41	assert result.returncode == 0, result.stderr
#42	assert Path(result.stdout.strip()) == data_dir / "triples.db"
#43	assert (data_dir / "triples.db").exists()
#44	assert not (home / ".hermes" / "mnemosyne" / "data" / "triples.db").exists()
#45
#46
#47	def test_triplestore_copies_legacy_db_into_mnemosyne_data_dir(tmp_path):
#48	"""Existing misplaced triples should be copied into the configured data dir."""
#49	home = tmp_path / "home"
#50	data_dir = tmp_path / "configured-data"
#51	legacy_db = home / ".hermes" / "mnemosyne" / "data" / "triples.db"
#52
#53	seed = _run_python(
#54	"""
#55	from pathlib import Path
#56	from mnemosyne.core.triples import TripleStore
#57
#58	legacy_db = Path.home() / ".hermes" / "mnemosyne" / "data" / "triples.db"
#59	store = TripleStore(db_path=legacy_db)
#60	store.add(
#61	"legacy-subject",
#62	"legacy-predicate",
#63	"legacy-object",
#64	valid_from="2026-05-08",
#65	)
#66	print(legacy_db)
#67	""",
#68	home=home,
#69	data_dir=data_dir,
#70	)
#71	assert seed.returncode == 0, seed.stderr
#72	assert legacy_db.exists()
#73	assert not (data_dir / "triples.db").exists()
#74
#75	result = _run_python(
#76	"""
#77	from mnemosyne.core.triples import TripleStore
#78
#79	store = TripleStore()
#80	print(store.db_path)
#81	print(store.query(subject="legacy-subject")[0]["object"])
#82	""",
#83	home=home,
#84	data_dir=data_dir,
#85	)
#86
#87	assert result.returncode == 0, result.stderr
#88	assert result.stdout.splitlines() == [
#89	str(data_dir / "triples.db"),
#90	"legacy-object",
#91	]
#92	assert legacy_db.exists()
#93	assert (data_dir / "triples.db").exists()
#94

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