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41fee48c9eeeb8ae748281c9db602b057d387108
wsrep-lib/test/transaction_test_2pc.cpp
Teemu Ollakka 41fee48c9e Squashed commit of the following: 
commit 3b419aa6e2
Author: Teemu Ollakka <teemu.ollakka@galeracluster.com>
Date:   Sun Feb 19 10:29:34 2023 +0200

    Skip fetching config options if provider not loaded via wsrep-API

commit 044220cc06
Author: Teemu Ollakka <teemu.ollakka@galeracluster.com>
Date:   Wed Jul 13 10:31:03 2022 +0300

    Operation context pointer for client state

commit eeb05a9238
Author: Teemu Ollakka <teemu.ollakka@galeracluster.com>
Date:   Mon Jul 4 09:03:23 2022 +0300

    Add unit test log in gitignore

commit 92a04070fc
Author: Teemu Ollakka <teemu.ollakka@galeracluster.com>
Date:   Sun May 8 12:45:36 2022 +0300

    Added convenience method prev() to seqno

commit f83ca1917e
Author: Teemu Ollakka <teemu.ollakka@galeracluster.com>
Date:   Sun May 1 16:37:24 2022 +0300

    Pass victim context for provider on BF abort

    This change is needed for custom provider implementations to
    have a way to access the victim in the application context.

    Helper interface operation_context to pass caller context for
    service/provider callbacks in more type safe way.

commit 244eabe8cf
Author: Teemu Ollakka <teemu.ollakka@galeracluster.com>
Date:   Wed May 25 07:39:43 2022 +0300

    Handle disconnecting state in on_sync()

    When disconnecting from the group, the sync event from the
    provider must not change the state back to synced.

commit ba8e23df0d
Author: Teemu Ollakka <teemu.ollakka@galeracluster.com>
Date:   Tue Mar 22 17:43:52 2022 +0200

    Add provider position field to ws_meta and view

    Provider position is needed in coordinated recovery
    between application and provider. Pass the position
    info from provider to application to allow making
    it durable.

commit 53e60f64c9
Author: Teemu Ollakka <teemu.ollakka@galeracluster.com>
Date:   Sat Mar 19 14:45:57 2022 +0200

    Reset TOI meta after releasing total order in provider

    This is to keep the TOI meta available in case the provider
    implementation needs it.

commit bccb9997f2
Author: Teemu Ollakka <teemu.ollakka@galeracluster.com>
Date:   Mon Jan 3 11:19:58 2022 +0200

    Fixed id ostream operator to print human readable ids

commit 6d0b37daaf
Author: Teemu Ollakka <teemu.ollakka@galeracluster.com>
Date:   Wed Dec 15 16:37:45 2021 +0200

    Silence unused variable warning

commit 4b8616f3d1
Author: Denis Protivensky <denis.protivensky@galeracluster.com>
Date:   Wed Dec 15 16:43:31 2021 +0300

    Fix provider loading in test for release builds

commit 6df17812d9
Author: Denis Protivensky <denis.protivensky@galeracluster.com>
Date:   Tue Dec 14 20:28:56 2021 +0300

    Introduce set_provider_factory() method for server_state

    This allows injecting an application allocated provider into
    server_state.

    After this virtual provider getter is unnecessary. Made the getter
    normal method and fixed unit tests accordingly.
2024-03-09 12:16:42 +02:00

284 lines
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/*
* Copyright (C) 2018-2021 Codership Oy <info@codership.com>
*
* This file is part of wsrep-lib.
*
* Wsrep-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* Wsrep-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with wsrep-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#include "client_state_fixture.hpp"
//
// Test a succesful 2PC transaction lifecycle
//
BOOST_FIXTURE_TEST_CASE(transaction_2pc, replicating_client_fixture_2pc)
{
cc.start_transaction(wsrep::transaction_id(1));
BOOST_REQUIRE(tc.active());
BOOST_REQUIRE(tc.id() == wsrep::transaction_id(1));
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_executing);
BOOST_REQUIRE(cc.before_prepare() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_preparing);
BOOST_REQUIRE(tc.ordered());
BOOST_REQUIRE(tc.certified());
BOOST_REQUIRE(tc.ws_meta().gtid().is_undefined() == false);
BOOST_REQUIRE(cc.after_prepare() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_committing);
BOOST_REQUIRE(cc.before_commit() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_committing);
BOOST_REQUIRE(cc.ordered_commit() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_ordered_commit);
BOOST_REQUIRE(cc.after_commit() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_committed);
BOOST_REQUIRE(cc.after_statement() == 0);
BOOST_REQUIRE(tc.active() == false);
BOOST_REQUIRE(tc.ordered() == false);
BOOST_REQUIRE(tc.certified() == false);
BOOST_REQUIRE(cc.current_error() == wsrep::e_success);
}
//
// Test a 2PC transaction which gets BF aborted before before_prepare
//
BOOST_FIXTURE_TEST_CASE(transaction_2pc_bf_before_before_prepare,
replicating_client_fixture_2pc)
{
cc.start_transaction(wsrep::transaction_id(1));
BOOST_REQUIRE(tc.active());
BOOST_REQUIRE(tc.id() == wsrep::transaction_id(1));
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_executing);
wsrep_test::bf_abort_unordered(cc);
BOOST_REQUIRE(cc.before_prepare());
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_abort);
BOOST_REQUIRE(tc.certified() == false);
BOOST_REQUIRE(tc.ordered() == false);
BOOST_REQUIRE(cc.before_rollback() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_aborting);
BOOST_REQUIRE(cc.after_rollback() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_aborted);
BOOST_REQUIRE(cc.after_statement());
BOOST_REQUIRE(tc.active() == false);
BOOST_REQUIRE(tc.ordered() == false);
BOOST_REQUIRE(tc.certified() == false);
BOOST_REQUIRE(cc.current_error());
}
//
// Test a 2PC transaction which gets BF aborted before before_prepare
//
BOOST_FIXTURE_TEST_CASE(transaction_2pc_bf_before_after_prepare,
replicating_client_fixture_2pc)
{
cc.start_transaction(wsrep::transaction_id(1));
BOOST_REQUIRE(tc.active());
BOOST_REQUIRE(tc.id() == wsrep::transaction_id(1));
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_executing);
BOOST_REQUIRE(cc.before_prepare() == 0);
BOOST_REQUIRE(tc.certified() == true);
BOOST_REQUIRE(tc.ordered() == true);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_preparing);
wsrep_test::bf_abort_ordered(cc);
BOOST_REQUIRE(cc.after_prepare());
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.will_replay_called() == true);
BOOST_REQUIRE(cc.before_rollback() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.after_rollback() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.after_statement() == 0);
BOOST_REQUIRE(tc.active() == false);
BOOST_REQUIRE(tc.ordered() == false);
BOOST_REQUIRE(tc.certified() == false);
BOOST_REQUIRE(cc.current_error() == wsrep::e_success);
}
//
// Test a 2PC transaction which gets BF aborted after_prepare() and
// the rollback takes place before entering before_commit().
//
BOOST_FIXTURE_TEST_CASE(transaction_2pc_bf_after_after_prepare,
replicating_client_fixture_2pc)
{
cc.start_transaction(wsrep::transaction_id(1));
BOOST_REQUIRE(tc.active());
BOOST_REQUIRE(tc.id() == wsrep::transaction_id(1));
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_executing);
BOOST_REQUIRE(cc.before_prepare() == 0);
BOOST_REQUIRE(cc.after_prepare() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_committing);
wsrep_test::bf_abort_ordered(cc);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_abort);
BOOST_REQUIRE(cc.before_rollback() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.will_replay_called() == true);
BOOST_REQUIRE(cc.after_rollback() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.after_statement() == 0);
BOOST_REQUIRE(tc.active() == false);
BOOST_REQUIRE(tc.ordered() == false);
BOOST_REQUIRE(tc.certified() == false);
BOOST_REQUIRE(cc.current_error() == wsrep::e_success);
}
//
// Test a 2PC transaction which gets BF aborted between after_prepare()
// and before_commit()
//
BOOST_FIXTURE_TEST_CASE(transaction_2pc_bf_before_before_commit,
replicating_client_fixture_2pc)
{
cc.start_transaction(wsrep::transaction_id(1));
BOOST_REQUIRE(tc.active());
BOOST_REQUIRE(tc.id() == wsrep::transaction_id(1));
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_executing);
BOOST_REQUIRE(cc.before_prepare() == 0);
BOOST_REQUIRE(cc.after_prepare() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_committing);
wsrep_test::bf_abort_ordered(cc);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_abort);
BOOST_REQUIRE(cc.before_commit());
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.will_replay_called() == true);
BOOST_REQUIRE(tc.certified() == true);
BOOST_REQUIRE(tc.ordered() == true);
BOOST_REQUIRE(cc.before_rollback() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.after_rollback() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.after_statement() == 0);
BOOST_REQUIRE(tc.active() == false);
BOOST_REQUIRE(tc.ordered() == false);
BOOST_REQUIRE(tc.certified() == false);
BOOST_REQUIRE(cc.current_error() == wsrep::e_success);
}
//
// Test a 2PC transaction which gets BF aborted when trying to grab
// commit order.
//
BOOST_FIXTURE_TEST_CASE(transaction_2pc_bf_during_commit_order_enter,
replicating_client_fixture_2pc)
{
cc.start_transaction(wsrep::transaction_id(1));
BOOST_REQUIRE(tc.active());
BOOST_REQUIRE(tc.id() == wsrep::transaction_id(1));
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_executing);
BOOST_REQUIRE(cc.before_prepare() == 0);
BOOST_REQUIRE(cc.after_prepare() == 0);
sc.mock_provider().commit_order_enter_result_
= wsrep::provider::error_bf_abort;
BOOST_REQUIRE(cc.before_commit());
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.will_replay_called() == true);
BOOST_REQUIRE(tc.certified() == true);
BOOST_REQUIRE(tc.ordered() == true);
sc.mock_provider().commit_order_enter_result_ = wsrep::provider::success;
BOOST_REQUIRE(cc.before_rollback() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.after_rollback() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.after_statement() == 0);
BOOST_REQUIRE(tc.active() == false);
BOOST_REQUIRE(tc.ordered() == false);
BOOST_REQUIRE(tc.certified() == false);
BOOST_REQUIRE(cc.current_error() == wsrep::e_success);
}
///////////////////////////////////////////////////////////////////////////////
// STREAMING REPLICATION //
///////////////////////////////////////////////////////////////////////////////
BOOST_FIXTURE_TEST_CASE(transaction_streaming_2pc_commit,
streaming_client_fixture_row)
{
BOOST_REQUIRE(cc.start_transaction(wsrep::transaction_id(1)) == 0);
BOOST_REQUIRE(cc.after_row() == 0);
BOOST_REQUIRE(tc.streaming_context().fragments_certified() == 1);
BOOST_REQUIRE(cc.before_prepare() == 0);
BOOST_REQUIRE(cc.after_prepare() == 0);
BOOST_REQUIRE(cc.before_commit() == 0);
BOOST_REQUIRE(cc.ordered_commit() == 0);
BOOST_REQUIRE(cc.after_commit() == 0);
BOOST_REQUIRE(cc.after_statement() == 0);
BOOST_REQUIRE(sc.mock_provider().fragments() == 2);
BOOST_REQUIRE(sc.mock_provider().start_fragments() == 1);
BOOST_REQUIRE(sc.mock_provider().commit_fragments() == 1);
}
BOOST_FIXTURE_TEST_CASE(transaction_streaming_2pc_commit_two_statements,
streaming_client_fixture_row)
{
BOOST_REQUIRE(cc.start_transaction(wsrep::transaction_id(1)) == 0);
BOOST_REQUIRE(cc.after_row() == 0);
BOOST_REQUIRE(tc.streaming_context().fragments_certified() == 1);
BOOST_REQUIRE(cc.after_statement() == 0);
BOOST_REQUIRE(cc.before_statement() == 0);
BOOST_REQUIRE(cc.after_row() == 0);
BOOST_REQUIRE(tc.streaming_context().fragments_certified() == 2);
BOOST_REQUIRE(cc.before_prepare() == 0);
BOOST_REQUIRE(cc.after_prepare() == 0);
BOOST_REQUIRE(cc.before_commit() == 0);
BOOST_REQUIRE(cc.ordered_commit() == 0);
BOOST_REQUIRE(cc.after_commit() == 0);
BOOST_REQUIRE(cc.after_statement() == 0);
BOOST_REQUIRE(sc.mock_provider().fragments() == 3);
BOOST_REQUIRE(sc.mock_provider().start_fragments() == 1);
BOOST_REQUIRE(sc.mock_provider().commit_fragments() == 1);
}
//
// Fragments are removed in before_prepare in running transaction context.
// However, the BF abort may arrive during this removal and the
// client_service::remove_fragments() may roll back the transaction
// internally. This will cause the transaction to leave before_prepare()
// in aborted state.
//
BOOST_FIXTURE_TEST_CASE(
transaction_streaming_2pc_bf_abort_during_fragment_removal,
streaming_client_fixture_row)
{
BOOST_REQUIRE(cc.start_transaction(wsrep::transaction_id(1)) == 0);
BOOST_REQUIRE(cc.after_row() == 0);
BOOST_REQUIRE(tc.streaming_context().fragments_certified() == 1);
cc.bf_abort_during_fragment_removal_ = true;
BOOST_REQUIRE(cc.before_prepare());
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_aborted);
BOOST_REQUIRE(cc.after_statement());
BOOST_REQUIRE(tc.active() == false);
wsrep_test::terminate_streaming_applier(sc, sc.id(),
wsrep::transaction_id(1));
}
///////////////////////////////////////////////////////////////////////////////
// APPLYING //
///////////////////////////////////////////////////////////////////////////////
BOOST_FIXTURE_TEST_CASE(transaction_2pc_applying, applying_client_fixture_2pc)
{
BOOST_REQUIRE(cc.before_prepare() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_preparing);
BOOST_REQUIRE(cc.after_prepare() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_committing);
BOOST_REQUIRE(cc.before_commit() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_committing);
BOOST_REQUIRE(cc.ordered_commit() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_ordered_commit);
BOOST_REQUIRE(cc.after_commit() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_committed);
cc.after_applying();
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_committed);
BOOST_REQUIRE(tc.active() == false);
BOOST_REQUIRE(cc.current_error() == wsrep::e_success);
}
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