def test_run(self, migrate_tasks):
out = WhateverIO()
m = migrate(app=self.app, stdout=out, stderr=WhateverIO())
with pytest.raises(TypeError):
m.run()
migrate_tasks.assert_not_called()
m.run('memory://foo', 'memory://bar')
migrate_tasks.assert_called()
state = Mock()
state.count = 10
state.strtotal = 30
m.on_migrate_task(state, {'task': 'tasks.add', 'id': 'ID'}, None)
assert '10/30' in out.getvalue()
