Function BOOST_FIXTURE_TEST_CASE

src/test/chainstate_write_tests.cpp:20–51

BOOST_AUTO_TEST_SUITE(chainstate_write_tests)

BOOST_FIXTURE_TEST_CASE(chainstate_write_interval, TestingSetup)
{
    struct TestSubscriber final : CValidationInterface {
        bool m_did_flush{false};
        void ChainStateFlushed(const ChainstateRole&, const CBlockLocator&) override
        {
            m_did_flush = true;
        }
    };

    const auto sub{std::make_shared<TestSubscriber>()};
    m_node.validation_signals->RegisterSharedValidationInterface(sub);
    auto& chainstate{Assert(m_node.chainman)->ActiveChainstate()};
    BlockValidationState state_dummy{};
    FakeNodeClock clock{};

    // The first periodic flush sets m_next_write and does not flush
    chainstate.FlushStateToDisk(state_dummy, FlushStateMode::PERIODIC);
    m_node.validation_signals->SyncWithValidationInterfaceQueue();
    BOOST_CHECK(!sub->m_did_flush);

    // The periodic flush interval is between 50 and 70 minutes (inclusive)
    clock += DATABASE_WRITE_INTERVAL_MIN - 1min;
    chainstate.FlushStateToDisk(state_dummy, FlushStateMode::PERIODIC);
    m_node.validation_signals->SyncWithValidationInterfaceQueue();
    BOOST_CHECK(!sub->m_did_flush);

    clock += DATABASE_WRITE_INTERVAL_MAX;
    chainstate.FlushStateToDisk(state_dummy, FlushStateMode::PERIODIC);
    m_node.validation_signals->SyncWithValidationInterfaceQueue();
    BOOST_CHECK(sub->m_did_flush);
}

// Test that we do PERIODIC flushes inside ActivateBestChain.
// This is necessary for reindex-chainstate to be able to periodically flush