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152 lines
6.6 KiB
152 lines
6.6 KiB
3 years ago
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#!/usr/bin/env bash
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#
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# Copyright (c) 2019-2020 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#
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# Test for deterministic coverage across unit test runs.
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export LC_ALL=C
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# Use GCOV_EXECUTABLE="gcov" if compiling with gcc.
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# Use GCOV_EXECUTABLE="llvm-cov gcov" if compiling with clang.
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GCOV_EXECUTABLE="gcov"
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# Disable tests known to cause non-deterministic behaviour and document the source or point of non-determinism.
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NON_DETERMINISTIC_TESTS=(
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"blockfilter_index_tests/blockfilter_index_initial_sync" # src/checkqueue.h: In CCheckQueue::Loop(): while (queue.empty()) { ... }
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"coinselector_tests/knapsack_solver_test" # coinselector_tests.cpp: if (equal_sets(setCoinsRet, setCoinsRet2))
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"fs_tests/fsbridge_fstream" # deterministic test failure?
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"miner_tests/CreateNewBlock_validity" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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"scheduler_tests/manythreads" # scheduler.cpp: CScheduler::serviceQueue()
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"scheduler_tests/singlethreadedscheduler_ordered" # scheduler.cpp: CScheduler::serviceQueue()
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"txvalidationcache_tests/checkinputs_test" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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"txvalidationcache_tests/tx_mempool_block_doublespend" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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"txindex_tests/txindex_initial_sync" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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"txvalidation_tests/tx_mempool_reject_coinbase" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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"validation_block_tests/processnewblock_signals_ordering" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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"wallet_tests/coin_mark_dirty_immature_credit" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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"wallet_tests/dummy_input_size_test" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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"wallet_tests/importmulti_rescan" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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"wallet_tests/importwallet_rescan" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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"wallet_tests/ListCoins" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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"wallet_tests/scan_for_wallet_transactions" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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"wallet_tests/wallet_disableprivkeys" # validation.cpp: if (GetMainSignals().CallbacksPending() > 10)
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)
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TEST_BITCOIN_BINARY="src/test/test_bitcoin"
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print_usage() {
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echo "Usage: $0 [custom test filter (default: all but known non-deterministic tests)] [number of test runs (default: 2)]"
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}
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N_TEST_RUNS=2
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BOOST_TEST_RUN_FILTERS=""
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if [[ $# != 0 ]]; then
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if [[ $1 == "--help" ]]; then
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print_usage
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exit
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fi
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PARSED_ARGUMENTS=0
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if [[ $1 =~ [a-z] ]]; then
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BOOST_TEST_RUN_FILTERS=$1
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PARSED_ARGUMENTS=$((PARSED_ARGUMENTS + 1))
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shift
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fi
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if [[ $1 =~ ^[0-9]+$ ]]; then
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N_TEST_RUNS=$1
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PARSED_ARGUMENTS=$((PARSED_ARGUMENTS + 1))
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shift
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fi
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if [[ ${PARSED_ARGUMENTS} == 0 || $# -gt 2 || ${N_TEST_RUNS} -lt 2 ]]; then
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print_usage
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exit
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fi
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fi
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if [[ ${BOOST_TEST_RUN_FILTERS} == "" ]]; then
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BOOST_TEST_RUN_FILTERS="$(IFS=":"; echo "!${NON_DETERMINISTIC_TESTS[*]}" | sed 's/:/:!/g')"
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else
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echo "Using Boost test filter: ${BOOST_TEST_RUN_FILTERS}"
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echo
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fi
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if ! command -v gcov > /dev/null; then
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echo "Error: gcov not installed. Exiting."
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exit 1
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fi
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if ! command -v gcovr > /dev/null; then
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echo "Error: gcovr not installed. Exiting."
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exit 1
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fi
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if [[ ! -e ${TEST_BITCOIN_BINARY} ]]; then
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echo "Error: Executable ${TEST_BITCOIN_BINARY} not found. Run \"./configure --enable-lcov\" and compile."
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exit 1
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fi
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get_file_suffix_count() {
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find src/ -type f -name "*.$1" | wc -l
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}
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if [[ $(get_file_suffix_count gcno) == 0 ]]; then
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echo "Error: Could not find any *.gcno files. The *.gcno files are generated by the compiler. Run \"./configure --enable-lcov\" and re-compile."
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exit 1
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fi
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get_covr_filename() {
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echo "gcovr.run-$1.txt"
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}
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TEST_RUN_ID=0
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while [[ ${TEST_RUN_ID} -lt ${N_TEST_RUNS} ]]; do
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TEST_RUN_ID=$((TEST_RUN_ID + 1))
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echo "[$(date +"%Y-%m-%d %H:%M:%S")] Measuring coverage, run #${TEST_RUN_ID} of ${N_TEST_RUNS}"
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find src/ -type f -name "*.gcda" -exec rm {} \;
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if [[ $(get_file_suffix_count gcda) != 0 ]]; then
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echo "Error: Stale *.gcda files found. Exiting."
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exit 1
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fi
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TEST_OUTPUT_TEMPFILE=$(mktemp)
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if ! BOOST_TEST_RUN_FILTERS="${BOOST_TEST_RUN_FILTERS}" ${TEST_BITCOIN_BINARY} > "${TEST_OUTPUT_TEMPFILE}" 2>&1; then
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cat "${TEST_OUTPUT_TEMPFILE}"
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rm "${TEST_OUTPUT_TEMPFILE}"
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exit 1
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fi
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rm "${TEST_OUTPUT_TEMPFILE}"
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if [[ $(get_file_suffix_count gcda) == 0 ]]; then
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echo "Error: Running the test suite did not create any *.gcda files. The gcda files are generated when the instrumented test programs are executed. Run \"./configure --enable-lcov\" and re-compile."
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exit 1
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fi
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GCOVR_TEMPFILE=$(mktemp)
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if ! gcovr --gcov-executable "${GCOV_EXECUTABLE}" -r src/ > "${GCOVR_TEMPFILE}"; then
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echo "Error: gcovr failed. Output written to ${GCOVR_TEMPFILE}. Exiting."
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exit 1
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fi
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GCOVR_FILENAME=$(get_covr_filename ${TEST_RUN_ID})
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mv "${GCOVR_TEMPFILE}" "${GCOVR_FILENAME}"
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if grep -E "^TOTAL *0 *0 " "${GCOVR_FILENAME}"; then
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echo "Error: Spurious gcovr output. Make sure the correct GCOV_EXECUTABLE variable is set in $0 (\"gcov\" for gcc, \"llvm-cov gcov\" for clang)."
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exit 1
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fi
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if [[ ${TEST_RUN_ID} != 1 ]]; then
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COVERAGE_DIFF=$(diff -u "$(get_covr_filename 1)" "${GCOVR_FILENAME}")
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if [[ ${COVERAGE_DIFF} != "" ]]; then
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echo
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echo "The line coverage is non-deterministic between runs. Exiting."
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echo
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echo "The test suite must be deterministic in the sense that the set of lines executed at least"
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echo "once must be identical between runs. This is a necessary condition for meaningful"
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echo "coverage measuring."
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echo
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echo "${COVERAGE_DIFF}"
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exit 1
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fi
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rm "${GCOVR_FILENAME}"
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fi
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done
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echo
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echo "Coverage test passed: Deterministic coverage across ${N_TEST_RUNS} runs."
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exit
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