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Diffstat (limited to 'wsrep-lib/test/nbo_test.cpp')
| -rw-r--r-- | wsrep-lib/test/nbo_test.cpp | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/wsrep-lib/test/nbo_test.cpp b/wsrep-lib/test/nbo_test.cpp new file mode 100644 index 00000000..238a4da5 --- /dev/null +++ b/wsrep-lib/test/nbo_test.cpp @@ -0,0 +1,171 @@ +/* + * Copyright (C) 2019 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 "wsrep/client_state.hpp" + +#include "client_state_fixture.hpp" + +#include <boost/test/unit_test.hpp> + +BOOST_FIXTURE_TEST_CASE(test_local_nbo, + replicating_client_fixture_sync_rm) +{ + // NBO is executed in two consecutive TOI operations + BOOST_REQUIRE(cc.mode() == wsrep::client_state::m_local); + // First phase certifies the write set and enters TOI + wsrep::key key(wsrep::key::exclusive); + key.append_key_part("k1", 2); + key.append_key_part("k2", 2); + wsrep::key_array keys{key}; + std::string data("data"); + BOOST_REQUIRE(cc.begin_nbo_phase_one( + keys, + wsrep::const_buffer(data.data(), + data.size())) == 0); + BOOST_REQUIRE(cc.mode() == wsrep::client_state::m_nbo); + BOOST_REQUIRE(cc.in_toi()); + BOOST_REQUIRE(cc.toi_mode() == wsrep::client_state::m_local); + // After required resoureces have been grabbed, NBO leave should + // end TOI but leave the client state in m_nbo. + const wsrep::mutable_buffer err; + BOOST_REQUIRE(cc.end_nbo_phase_one(err) == 0); + BOOST_REQUIRE(cc.mode() == wsrep::client_state::m_nbo); + BOOST_REQUIRE(cc.in_toi() == false); + BOOST_REQUIRE(cc.toi_mode() == wsrep::client_state::m_undefined); + // Second phase replicates the NBO end event and grabs TOI + // again for finalizing the NBO. + BOOST_REQUIRE(cc.begin_nbo_phase_two(keys) == 0); + BOOST_REQUIRE(cc.mode() == wsrep::client_state::m_nbo); + BOOST_REQUIRE(cc.in_toi()); + BOOST_REQUIRE(cc.toi_mode() == wsrep::client_state::m_local); + // End of NBO phase will leave TOI and put the client state back to + // m_local + BOOST_REQUIRE(cc.end_nbo_phase_two(err) == 0); + BOOST_REQUIRE(cc.mode() == wsrep::client_state::m_local); + BOOST_REQUIRE(cc.in_toi() == false); + BOOST_REQUIRE(cc.toi_mode() == wsrep::client_state::m_undefined); + + // There must have been two toi write sets, one with + // start transaction flag, another with commit flag. + BOOST_REQUIRE(sc.provider().toi_write_sets() == 2); + BOOST_REQUIRE(sc.provider().toi_start_transaction() == 1); + BOOST_REQUIRE(sc.provider().toi_commit() == 1); +} + +BOOST_FIXTURE_TEST_CASE(test_local_nbo_cert_failure, + replicating_client_fixture_sync_rm) +{ + // NBO is executed in two consecutive TOI operations + BOOST_REQUIRE(cc.mode() == wsrep::client_state::m_local); + // First phase certifies the write set and enters TOI + wsrep::key key(wsrep::key::exclusive); + key.append_key_part("k1", 2); + key.append_key_part("k2", 2); + wsrep::key_array keys{key}; + std::string data("data"); + sc.provider().certify_result_ = wsrep::provider::error_certification_failed; + BOOST_REQUIRE(cc.begin_nbo_phase_one( + keys, + wsrep::const_buffer(data.data(), + data.size())) == 1); + BOOST_REQUIRE(cc.current_error() == wsrep::e_deadlock_error); + BOOST_REQUIRE(cc.current_error_status() == + wsrep::provider::error_certification_failed); + BOOST_REQUIRE(cc.mode() == wsrep::client_state::m_local); + BOOST_REQUIRE(cc.in_toi() == false); + BOOST_REQUIRE(cc.toi_mode() == wsrep::client_state::m_undefined); +} + +// This test case operates through server_state object in order to +// verify that the high priority service is called with appropriate +// arguments. +BOOST_FIXTURE_TEST_CASE(test_applying_nbo, + applying_client_fixture) +{ + + wsrep::mock_high_priority_service hps(sc, &cc, false); + wsrep::ws_handle ws_handle(wsrep::transaction_id::undefined(), (void*)(1)); + const int nbo_begin_flags(wsrep::provider::flag::start_transaction | + wsrep::provider::flag::isolation); + wsrep::ws_meta ws_meta(wsrep::gtid(wsrep::id("cluster1"), + wsrep::seqno(1)), + wsrep::stid(wsrep::id("s1"), + wsrep::transaction_id::undefined(), + wsrep::client_id(1)), + wsrep::seqno(0), + nbo_begin_flags); + std::string nbo_begin("nbo_begin"); + BOOST_REQUIRE(sc.on_apply(hps, ws_handle, ws_meta, + wsrep::const_buffer(nbo_begin.data(), + nbo_begin.size())) == 0); + wsrep::mock_client* nbo_cs(hps.nbo_cs()); + BOOST_REQUIRE(nbo_cs); + BOOST_REQUIRE(nbo_cs->toi_mode() == wsrep::client_state::m_undefined); + BOOST_REQUIRE(nbo_cs->mode() == wsrep::client_state::m_nbo); + + // After this point the control is on local process and applier + // has released toi critical section. + wsrep::key key(wsrep::key::exclusive); + key.append_key_part("k1", 2); + key.append_key_part("k2", 2); + wsrep::key_array keys{key}; + // Starting phase two should put nbo_cs in toi mode. + BOOST_REQUIRE(nbo_cs->begin_nbo_phase_two(keys) == 0); + BOOST_REQUIRE(nbo_cs->mode() == wsrep::client_state::m_nbo); + BOOST_REQUIRE(nbo_cs->in_toi()); + BOOST_REQUIRE(nbo_cs->toi_mode() == wsrep::client_state::m_local); + // Ending phase two should make nbo_cs leave TOI mode and + // return to m_local mode. + const wsrep::mutable_buffer err; + BOOST_REQUIRE(nbo_cs->end_nbo_phase_two(err) == 0); + BOOST_REQUIRE(nbo_cs->mode() == wsrep::client_state::m_local); + BOOST_REQUIRE(nbo_cs->in_toi() == false); + BOOST_REQUIRE(nbo_cs->toi_mode() == wsrep::client_state::m_undefined); + + // There must have been one toi write set with commit flag. + BOOST_REQUIRE(sc.provider().toi_write_sets() == 1); + BOOST_REQUIRE(sc.provider().toi_start_transaction() == 0); + BOOST_REQUIRE(sc.provider().toi_commit() == 1); +} + +// This test case operates through server_state object in order to +// verify that the high priority service is called with appropriate +// arguments. The test checks that error is returned in the case if +// launching asynchronous process for NBO fails. +BOOST_FIXTURE_TEST_CASE(test_applying_nbo_fail, + applying_client_fixture) +{ + + wsrep::mock_high_priority_service hps(sc, &cc, false); + wsrep::ws_handle ws_handle(wsrep::transaction_id::undefined(), (void*)(1)); + const int nbo_begin_flags(wsrep::provider::flag::start_transaction | + wsrep::provider::flag::isolation); + wsrep::ws_meta ws_meta(wsrep::gtid(wsrep::id("cluster1"), + wsrep::seqno(1)), + wsrep::stid(wsrep::id("s1"), + wsrep::transaction_id::undefined(), + wsrep::client_id(1)), + wsrep::seqno(0), + nbo_begin_flags); + std::string nbo_begin("nbo_begin"); + hps.fail_next_toi_ = true; + BOOST_REQUIRE(sc.on_apply(hps, ws_handle, ws_meta, + wsrep::const_buffer(nbo_begin.data(), + nbo_begin.size())) == 1); +} |