def test_110_no_write_with_exception_on_install(database):
def fail_while_writing():
with database.write_transaction():
_mock_install('cmake')
raise Exception()
with database.read_transaction():
assert database.query('cmake', installed=any) == []
with pytest.raises(Exception):
fail_while_writing()
# reload DB and make sure cmake was not written.
with database.read_transaction():
assert database.query('cmake', installed=any) == []
def test_100_no_write_with_exception_on_remove(database):
def fail_while_writing():
with database.write_transaction():
_mock_remove('mpileaks ^zmpi')
raise Exception()
with database.read_transaction():
assert len(database.query('mpileaks ^zmpi', installed=any)) == 1
with pytest.raises(Exception):
fail_while_writing()
# reload DB and make sure zmpi is still there.
with database.read_transaction():
assert len(database.query('mpileaks ^zmpi', installed=any)) == 1
