def test_check_schema_version_false_when_multiple_entries(session):
_setup_schema(session)
assert _check_schema_version(session) is True
session.add(SchemaVersion(version='unknown'))
session.commit()
assert _check_schema_version(session) is False
def test_check_schema_version_false_when_no_entry(session):
_setup_schema(session)
assert _check_schema_version(session) is True
# delete the entry
schema_version = session.query(SchemaVersion).one()
session.delete(schema_version)
session.commit()
assert _check_schema_version(session) is False
def test_get_tracking_db_from_valid_existing(db_path):
session_a = get_tracking_database(db_path)
assert _check_schema_version(session_a) is True
del session_a
# ensure the session was persisted to disk
session_b = _get_session(db_path)
assert _check_schema_version(session_b) is True
del session_b
session_c = get_tracking_database(db_path)
assert _check_schema_version(session_c) is True
def test_check_schema_version_false_when_wrong_version(session):
_setup_schema(session)
assert _check_schema_version(session) is True
# change version to unknown value
schema_version = session.query(SchemaVersion).one()
schema_version.version = 'unknown'
session.add(schema_version)
session.commit()
assert _check_schema_version(session) is False
def test_get_tracking_db_errors_bad_schema_version(db_path):
session_a = get_tracking_database(db_path)
assert _check_schema_version(session_a) is True
# change version to unknown value
schema_version = session_a.query(SchemaVersion).one()
schema_version.version = 'unknown'
session_a.add(schema_version)
session_a.commit()
del session_a
# ensure the session was persisted to disk
session_b = _get_session(db_path)
assert _check_schema_version(session_b) is False
del session_b
with pytest.raises(BadDatabaseError):
get_tracking_database(db_path)
def test_check_schema_version_false_when_no_tables(session):
assert _check_is_empty(session)
assert _check_schema_version(session) is False
def test_setup_schema(session):
assert _check_schema_version(session) is False
_setup_schema(session)
assert _check_schema_version(session) is True
def test_get_tracking_db_from_empty():
session = get_tracking_database(Path(':memory:'))
assert _check_schema_version(session) is True