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test: add unit test for ScanAndUnlinkAlreadyPrunedFiles

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This commit is contained in:
Andrew Toth 2022-12-20 12:25:54 -05:00
parent 77557dda4a
commit e252909e56
1 changed files with 43 additions and 0 deletions
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43
src/test/blockmanager_tests.cpp
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@ -12,6 +12,8 @@
using node::BlockManager;
using node::BLOCK_SERIALIZATION_HEADER_SIZE;
using node::MAX_BLOCKFILE_SIZE;
using node::OpenBlockFile;
// use BasicTestingSetup here for the data directory configuration, setup, and cleanup
BOOST_FIXTURE_TEST_SUITE(blockmanager_tests, BasicTestingSetup)
@ -39,4 +41,45 @@ BOOST_AUTO_TEST_CASE(blockmanager_find_block_pos)
BOOST_CHECK_EQUAL(actual.nPos, BLOCK_SERIALIZATION_HEADER_SIZE + ::GetSerializeSize(params->GenesisBlock(), CLIENT_VERSION) + BLOCK_SERIALIZATION_HEADER_SIZE);
}
BOOST_FIXTURE_TEST_CASE(blockmanager_scan_unlink_already_pruned_files, TestChain100Setup)
{
// Cap last block file size, and mine new block in a new block file.
const auto& chainman = Assert(m_node.chainman);
auto& blockman = chainman->m_blockman;
const CBlockIndex* old_tip{WITH_LOCK(chainman->GetMutex(), return chainman->ActiveChain().Tip())};
WITH_LOCK(chainman->GetMutex(), blockman.GetBlockFileInfo(old_tip->GetBlockPos().nFile)->nSize = MAX_BLOCKFILE_SIZE);
CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
// Prune the older block file, but don't unlink it
int file_number;
{
LOCK(chainman->GetMutex());
file_number = old_tip->GetBlockPos().nFile;
blockman.PruneOneBlockFile(file_number);
}
const FlatFilePos pos(file_number, 0);
// Check that the file is not unlinked after ScanAndUnlinkAlreadyPrunedFiles
// if m_have_pruned is not yet set
WITH_LOCK(chainman->GetMutex(), blockman.ScanAndUnlinkAlreadyPrunedFiles());
BOOST_CHECK(!AutoFile(OpenBlockFile(pos, true)).IsNull());
// Check that the file is unlinked after ScanAndUnlinkAlreadyPrunedFiles
// once m_have_pruned is set
blockman.m_have_pruned = true;
WITH_LOCK(chainman->GetMutex(), blockman.ScanAndUnlinkAlreadyPrunedFiles());
BOOST_CHECK(AutoFile(OpenBlockFile(pos, true)).IsNull());
// Check that calling with already pruned files doesn't cause an error
WITH_LOCK(chainman->GetMutex(), blockman.ScanAndUnlinkAlreadyPrunedFiles());
// Check that the new tip file has not been removed
const CBlockIndex* new_tip{WITH_LOCK(chainman->GetMutex(), return chainman->ActiveChain().Tip())};
BOOST_CHECK_NE(old_tip, new_tip);
const int new_file_number{WITH_LOCK(chainman->GetMutex(), return new_tip->GetBlockPos().nFile)};
const FlatFilePos new_pos(new_file_number, 0);
BOOST_CHECK(!AutoFile(OpenBlockFile(new_pos, true)).IsNull());
}
BOOST_AUTO_TEST_SUITE_END()