import os
from ...engine import url as sa_url
from ...testing.provision import create_db
from ...testing.provision import drop_db
from ...testing.provision import follower_url_from_main
from ...testing.provision import log
from ...testing.provision import post_configure_engine
from ...testing.provision import run_reap_dbs
from ...testing.provision import temp_table_keyword_args
@follower_url_from_main.for_db("sqlite")
def _sqlite_follower_url_from_main(url, ident):
url = sa_url.make_url(url)
if not url.database or url.database == ":memory:":
return url
else:
return sa_url.make_url("sqlite:///%s.db" % ident)
@post_configure_engine.for_db("sqlite")
def _sqlite_post_configure_engine(url, engine, follower_ident):
from sqlalchemy import event
@event.listens_for(engine, "connect")
def connect(dbapi_connection, connection_record):
# use file DBs in all cases, memory acts kind of strangely
# as an attached
if not follower_ident:
# note this test_schema.db gets created for all test runs.
# there's not any dedicated cleanup step for it. it in some
# ways corresponds to the "test.test_schema" schema that's
# expected to be already present, so for now it just stays
# in a given checkout directory.
dbapi_connection.execute(
'ATTACH DATABASE "test_schema.db" AS test_schema'
)
else:
dbapi_connection.execute(
'ATTACH DATABASE "%s_test_schema.db" AS test_schema'
% follower_ident
)
@create_db.for_db("sqlite")
def _sqlite_create_db(cfg, eng, ident):
pass
@drop_db.for_db("sqlite")
def _sqlite_drop_db(cfg, eng, ident):
for path in ["%s.db" % ident, "%s_test_schema.db" % ident]:
if os.path.exists(path):
log.info("deleting SQLite database file: %s" % path)
os.remove(path)
@temp_table_keyword_args.for_db("sqlite")
def _sqlite_temp_table_keyword_args(cfg, eng):
return {"prefixes": ["TEMPORARY"]}
@run_reap_dbs.for_db("sqlite")
def _reap_sqlite_dbs(url, idents):
log.info("db reaper connecting to %r", url)
log.info("identifiers in file: %s", ", ".join(idents))
for ident in idents:
# we don't have a config so we can't call _sqlite_drop_db due to the
# decorator
for path in ["%s.db" % ident, "%s_test_schema.db" % ident]:
if os.path.exists(path):
log.info("deleting SQLite database file: %s" % path)
os.remove(path)
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