Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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);
+}