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wsrep-lib/test/server_context_test.cpp

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/*
* Copyright (C) 2018 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 "mock_server_state.hpp"
#include <boost/test/unit_test.hpp>
namespace
{
struct applying_server_fixture
{
applying_server_fixture()
: server_service(ss)
, ss("s1", "s1",
wsrep::server_state::rm_sync, server_service)
, cc(ss,
wsrep::client_id(1),
wsrep::client_state::m_high_priority)
, hps(ss, &cc, false)
, ws_handle(wsrep::transaction_id(1), (void*)1)
, ws_meta(wsrep::gtid(wsrep::id("1"), wsrep::seqno(1)),
wsrep::stid(wsrep::id("1"), wsrep::transaction_id(1),
wsrep::client_id(1)),
wsrep::seqno(0),
wsrep::provider::flag::start_transaction |
wsrep::provider::flag::commit)
{
cc.open(cc.id());
BOOST_REQUIRE(cc.before_command() == 0);
}
wsrep::mock_server_service server_service;
wsrep::mock_server_state ss;
wsrep::mock_client cc;
wsrep::mock_high_priority_service hps;
wsrep::ws_handle ws_handle;
wsrep::ws_meta ws_meta;
};
struct sst_first_server_fixture : applying_server_fixture
{
sst_first_server_fixture()
: applying_server_fixture()
{
server_service.sst_before_init_ = true;
}
};
struct init_first_server_fixture : applying_server_fixture
{
init_first_server_fixture()
: applying_server_fixture()
{
server_service.sst_before_init_ = false;
}
};
}
// Test on_apply() method for 1pc
BOOST_FIXTURE_TEST_CASE(server_state_applying_1pc,
applying_server_fixture)
{
char buf[1] = { 1 };
BOOST_REQUIRE(ss.on_apply(hps, ws_handle, ws_meta,
wsrep::const_buffer(buf, 1)) == 0);
const wsrep::transaction& txc(cc.transaction());
// ::abort();
BOOST_REQUIRE_MESSAGE(
txc.state() == wsrep::transaction::s_committed,
"Transaction state " << txc.state() << " not committed");
}
// Test on_apply() method for 2pc
BOOST_FIXTURE_TEST_CASE(server_state_applying_2pc,
applying_server_fixture)
{
char buf[1] = { 1 };
BOOST_REQUIRE(ss.on_apply(hps, ws_handle, ws_meta,
wsrep::const_buffer(buf, 1)) == 0);
const wsrep::transaction& txc(cc.transaction());
BOOST_REQUIRE(txc.state() == wsrep::transaction::s_committed);
}
// Test on_apply() method for 1pc transaction which
// fails applying and rolls back
BOOST_FIXTURE_TEST_CASE(server_state_applying_1pc_rollback,
applying_server_fixture)
{
hps.fail_next_applying_ = true;
char buf[1] = { 1 };
BOOST_REQUIRE(ss.on_apply(hps, ws_handle, ws_meta,
wsrep::const_buffer(buf, 1)) == 1);
const wsrep::transaction& txc(cc.transaction());
BOOST_REQUIRE(txc.state() == wsrep::transaction::s_aborted);
}
// Test on_apply() method for 2pc transaction which
// fails applying and rolls back
BOOST_FIXTURE_TEST_CASE(server_state_applying_2pc_rollback,
applying_server_fixture)
{
hps.fail_next_applying_ = true;
char buf[1] = { 1 };
BOOST_REQUIRE(ss.on_apply(hps, ws_handle, ws_meta,
wsrep::const_buffer(buf, 1)) == 1);
const wsrep::transaction& txc(cc.transaction());
BOOST_REQUIRE(txc.state() == wsrep::transaction::s_aborted);
}
BOOST_FIXTURE_TEST_CASE(server_state_streaming, applying_server_fixture)
{
ws_meta = wsrep::ws_meta(wsrep::gtid(wsrep::id("1"), wsrep::seqno(1)),
wsrep::stid(wsrep::id("1"),
wsrep::transaction_id(1),
wsrep::client_id(1)),
wsrep::seqno(0),
wsrep::provider::flag::start_transaction);
BOOST_REQUIRE(ss.on_apply(hps, ws_handle, ws_meta,
wsrep::const_buffer("1", 1)) == 0);
BOOST_REQUIRE(ss.find_streaming_applier(
ws_meta.server_id(), ws_meta.transaction_id()));
ws_meta = wsrep::ws_meta(wsrep::gtid(wsrep::id("1"), wsrep::seqno(2)),
wsrep::stid(wsrep::id("1"),
wsrep::transaction_id(1),
wsrep::client_id(1)),
wsrep::seqno(1),
0);
BOOST_REQUIRE(ss.on_apply(hps, ws_handle, ws_meta,
wsrep::const_buffer("1", 1)) == 0);
ws_meta = wsrep::ws_meta(wsrep::gtid(wsrep::id("1"), wsrep::seqno(2)),
wsrep::stid(wsrep::id("1"),
wsrep::transaction_id(1),
wsrep::client_id(1)),
wsrep::seqno(1),
wsrep::provider::flag::commit);
BOOST_REQUIRE(ss.on_apply(hps, ws_handle, ws_meta,
wsrep::const_buffer("1", 1)) == 0);
BOOST_REQUIRE(ss.find_streaming_applier(
ws_meta.server_id(), ws_meta.transaction_id()) == 0);
}
BOOST_AUTO_TEST_CASE(server_state_state_strings)
{
BOOST_REQUIRE(wsrep::to_string(
wsrep::server_state::s_disconnected) == "disconnected");
BOOST_REQUIRE(wsrep::to_string(
wsrep::server_state::s_initializing) == "initializing");
BOOST_REQUIRE(wsrep::to_string(
wsrep::server_state::s_initialized) == "initialized");
BOOST_REQUIRE(wsrep::to_string(
wsrep::server_state::s_connected) == "connected");
BOOST_REQUIRE(wsrep::to_string(
wsrep::server_state::s_joiner) == "joiner");
BOOST_REQUIRE(wsrep::to_string(
wsrep::server_state::s_joined) == "joined");
BOOST_REQUIRE(wsrep::to_string(
wsrep::server_state::s_donor) == "donor");
BOOST_REQUIRE(wsrep::to_string(
wsrep::server_state::s_synced) == "synced");
BOOST_REQUIRE(wsrep::to_string(
wsrep::server_state::s_disconnecting) == "disconnecting");
BOOST_REQUIRE(wsrep::to_string(
static_cast<enum wsrep::server_state::state>(0xff)) == "unknown");
}
BOOST_FIXTURE_TEST_CASE(server_state_sst_first_boostrap,
sst_first_server_fixture)
{
wsrep::id cluster_id("1");
wsrep::gtid state_id(cluster_id, wsrep::seqno(0));
std::vector<wsrep::view::member> members;
members.push_back(wsrep::view::member(wsrep::id("s1"), "name", ""));
wsrep::view bootstrap_view(state_id,
wsrep::seqno(1),
wsrep::view::primary,
0,
0,
1,
members);
BOOST_REQUIRE(ss.connect("cluster", "local", "0", false) == 0);
ss.on_connect(wsrep::gtid(cluster_id, wsrep::seqno(0)));
BOOST_REQUIRE(ss.state() == wsrep::server_state::s_connected);
server_service.sync_point_enabled_ = "on_view_wait_initialized";
server_service.sync_point_action_ = server_service.spa_initialize;
ss.on_view(bootstrap_view, &hps);
server_service.sync_point_enabled_ = "";
BOOST_REQUIRE(ss.state() == wsrep::server_state::s_joined);
ss.on_sync();
BOOST_REQUIRE(ss.state() == wsrep::server_state::s_synced);
}
BOOST_FIXTURE_TEST_CASE(server_state_init_first_boostrap,
init_first_server_fixture)
{
wsrep::id cluster_id("1");
wsrep::gtid state_id(cluster_id, wsrep::seqno(0));
std::vector<wsrep::view::member> members;
members.push_back(wsrep::view::member(wsrep::id("s1"), "name", ""));
wsrep::view bootstrap_view(state_id,
wsrep::seqno(1),
wsrep::view::primary,
0,
0,
1,
members);
ss.initialized();
BOOST_REQUIRE(ss.state() == wsrep::server_state::s_initialized);
BOOST_REQUIRE(ss.connect("cluster", "local", "0", false) == 0);
ss.on_connect(wsrep::gtid(cluster_id, wsrep::seqno(0)));
BOOST_REQUIRE(ss.state() == wsrep::server_state::s_connected);
ss.on_view(bootstrap_view, &hps);
BOOST_REQUIRE(ss.state() == wsrep::server_state::s_joined);
ss.on_sync();
BOOST_REQUIRE(ss.state() == wsrep::server_state::s_synced);
}
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