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Change unit tests to mimic application behavior on replaying

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Allocate separate client state in mock_client_service::replay()
for replaying step.

Added two new test cases for streaming replication replay after
BF abort.
This commit is contained in:
Teemu Ollakka
2023-05-26 12:47:47 +03:00
parent e238c0d240
commit 9070f2a891
3 changed files with 80 additions and 4 deletions
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34
test/mock_client_state.cpp
View File

@ -35,14 +35,42 @@ int wsrep::mock_client_service::bf_rollback()
return ret;
}
struct replayer_context
{
wsrep::mock_client_state state;
wsrep::mock_client_service service;
replayer_context(wsrep::server_state& server_state,
const wsrep::transaction& transaction,
const wsrep::client_id& id)
: state{server_state, service, id, wsrep::client_state::m_high_priority}
, service{&state}
{
state.open(id);
state.before_command();
state.clone_transaction_for_replay(transaction);
}
~replayer_context() {
state.after_applying();
state.after_command_before_result();
state.after_command_after_result();
state.close();
}
};
enum wsrep::provider::status
wsrep::mock_client_service::replay()
{
wsrep::mock_high_priority_service hps(client_state_->server_state(),
client_state_, true);
/* Mimic application and allocate separate client state for replaying. */
wsrep::client_id replayer_id{ 1001 };
replayer_context replayer(client_state_->server_state(),
client_state_->transaction(), replayer_id);
wsrep::mock_high_priority_service hps{ client_state_->server_state(),
&replayer.state, true };
enum wsrep::provider::status ret(
client_state_->provider().replay(
client_state_->transaction().ws_handle(),
replayer.state.transaction().ws_handle(),
&hps));
++replays_;
return ret;

1
test/mock_provider.hpp
View File

@ -201,7 +201,6 @@ namespace wsrep
wsrep::mock_client_state& cc(
static_cast<wsrep::mock_client_state&>(
high_priority_service.client_state()));
wsrep::high_priority_context high_priority_context(cc);
const wsrep::transaction& tc(cc.transaction());
wsrep::ws_meta ws_meta;
if (replay_result_ == wsrep::provider::success)

49
test/transaction_test.cpp
View File

@ -1539,6 +1539,55 @@ BOOST_FIXTURE_TEST_CASE(
BOOST_REQUIRE(sc.provider().commit_fragments() == 1);
}
//
// Test a streaming transaction which gets BF aborted inside provider before
// certification result is known. Replaying will be successful
//
BOOST_FIXTURE_TEST_CASE(
transaction_row_streaming_bf_before_cert_result_replay_success,
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);
sc.provider().certify_result_ = wsrep::provider::error_bf_abort;
sc.provider().replay_result_ = wsrep::provider::success;
BOOST_REQUIRE(cc.before_commit());
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.will_replay_called() == true);
BOOST_REQUIRE(cc.after_statement() == 0);
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_committed);
BOOST_REQUIRE(cc.current_error() == wsrep::e_success);
}
//
// Test a streaming transaction which gets BF aborted inside provider before
// certification result is known. Replaying will fail because of
// certification failure.
//
BOOST_FIXTURE_TEST_CASE(
transaction_row_streaming_bf_before_cert_result_replay_cert_fail,
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);
sc.provider().certify_result_ = wsrep::provider::error_bf_abort;
sc.provider().replay_result_ = wsrep::provider::error_certification_failed;
BOOST_REQUIRE(cc.before_commit());
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_must_replay);
BOOST_REQUIRE(cc.will_replay_called() == true);
BOOST_REQUIRE(cc.after_statement() );
BOOST_REQUIRE(tc.state() == wsrep::transaction::s_aborted);
BOOST_REQUIRE(cc.current_error() == wsrep::e_deadlock_error);
BOOST_REQUIRE(tc.active() == false);
}
BOOST_FIXTURE_TEST_CASE(transaction_byte_streaming_1pc_commit,
streaming_client_fixture_byte)
{