Method test_xid_roundtrip

tests/test_tpc.py:210–224

(self, conn_cls, conn, dsn, tpc, fid, gtrid, bqual)

        [(0, "", ""), (42, "gtrid", "bqual"), (2147483647, "x" * 64, "y" * 64)],
    )
    def test_xid_roundtrip(self, conn_cls, conn, dsn, tpc, fid, gtrid, bqual):
        xid = conn.xid(fid, gtrid, bqual)
        conn.tpc_begin(xid)
        conn.tpc_prepare()
        conn.close()

        with conn_cls.connect(dsn) as conn:
            xids = [x for x in conn.tpc_recover() if x.database == conn.info.dbname]
            assert len(xids) == 1
            xid = xids[0]
            conn.tpc_rollback(xid)

        assert xid.format_id == fid
        assert xid.gtrid == gtrid
        assert xid.bqual == bqual

    # 199 is PostgreSQL's limit in transaction id length