25 lines
841 B
Python
25 lines
841 B
Python
from .common import assert_subpackage; assert_subpackage(__name__)
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import sqlite3
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from .common import PathIsh
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def sqlite_connect_immutable(db: PathIsh) -> sqlite3.Connection:
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# https://www.sqlite.org/draft/uri.html#uriimmutable
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return sqlite3.connect(f'file:{db}?immutable=1', uri=True)
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from pathlib import Path
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def test_sqlite_connect_immutable(tmp_path: Path) -> None:
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db = str(tmp_path / 'db.sqlite')
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with sqlite3.connect(db) as conn:
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conn.execute('CREATE TABLE testtable (col)')
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import pytest # type: ignore
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with pytest.raises(sqlite3.OperationalError, match='readonly database'):
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with sqlite_connect_immutable(db) as conn:
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conn.execute('DROP TABLE testtable')
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# succeeds without immutable
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with sqlite3.connect(db) as conn:
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conn.execute('DROP TABLE testtable')
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