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bitcoin-core/src/test
Wladimir J. van der Laan a9d1b40d53
Merge #21415: refactor: remove Optional & nullopt
ebc4ab721b refactor: post Optional<> removal cleanups (fanquake)
57e980d13c scripted-diff: remove Optional & nullopt (fanquake)

Pull request description:

  Same rationale & motivation as #21404, which turned out to be quite low in the number of potential conflicts. Lets see what the bot has to say here.

ACKs for top commit:
  practicalswift:
    cr ACK ebc4ab721b: patch looks correct
  jnewbery:
    utACK ebc4ab721b
  laanwj:
    Code review ACK ebc4ab721b

Tree-SHA512: 550fbeef09b9d35ddefaa805d1755c18c8fd499c4b0f77ebfece8c20296a7abd1cf6c699e2261f92fe3552deeb7555ec2a2287ffe3ab9e98bb9f8612a4d43be3
2021-03-17 12:17:33 +01:00
..
data Apply minimal validation flags to tx_invalid tests 2021-02-02 08:58:55 -08:00
fuzz Merge #21415: refactor: remove Optional & nullopt 2021-03-17 12:17:33 +01:00
util Merge #21404: refactor: Remove MakeUnique<T>() 2021-03-12 08:34:15 +01:00
addrman_tests.cpp Don't make "in" parameters look like "out"/"in-out" parameters: pass by ref to const instead of ref to non-const 2020-12-06 00:22:40 +00:00
allocator_tests.cpp scripted-diff: remove MakeUnique<T>() 2021-03-11 13:45:14 +08:00
amount_tests.cpp scripted-diff: Bump copyright headers 2020-12-31 09:45:41 +01:00
arith_uint256_tests.cpp
base32_tests.cpp refactor: replace sizeof(a)/sizeof(a[0]) by std::size (C++17) 2021-01-31 17:35:16 +01:00
base58_tests.cpp scripted-diff: Bump copyright headers 2020-12-31 09:45:41 +01:00
base64_tests.cpp refactor: replace sizeof(a)/sizeof(a[0]) by std::size (C++17) 2021-01-31 17:35:16 +01:00
bech32_tests.cpp
bip32_tests.cpp
blockchain_tests.cpp
blockencodings_tests.cpp scripted-diff: Bump copyright headers 2020-12-31 09:45:41 +01:00
blockfilter_index_tests.cpp scripted-diff: Invoke CreateNewBlock with chainstate 2021-03-08 15:54:31 -05:00
blockfilter_tests.cpp scripted-diff: Bump copyright headers 2020-12-31 09:45:41 +01:00
bloom_tests.cpp Treat CDataStream bytes as uint8_t 2020-11-23 21:19:50 +01:00
bswap_tests.cpp
checkqueue_tests.cpp scripted-diff: remove MakeUnique<T>() 2021-03-11 13:45:14 +08:00
coins_tests.cpp scripted-diff: Bump copyright headers 2020-12-31 09:45:41 +01:00
compilerbug_tests.cpp
compress_tests.cpp
crypto_tests.cpp test: Add MuHash3072 unit tests 2020-12-21 19:57:28 +01:00
cuckoocache_tests.cpp refactor: replace Boost shared_mutex with std shared_mutex in cuckoocache tests 2021-02-02 12:35:40 +08:00
dbwrapper_tests.cpp scripted-diff: remove MakeUnique<T>() 2021-03-11 13:45:14 +08:00
denialofservice_tests.cpp scripted-diff: remove MakeUnique<T>() 2021-03-11 13:45:14 +08:00
descriptor_tests.cpp refactor: post Optional<> removal cleanups 2021-03-17 14:56:20 +08:00
flatfile_tests.cpp scripted-diff: Bump copyright headers 2020-12-31 09:45:41 +01:00
fs_tests.cpp Introduce GetUniquePath(base) helper method to replace boost::filesystem::unique_path() which is not available in std::filesystem. 2021-02-04 11:38:09 +01:00
getarg_tests.cpp
hash_tests.cpp refactor: replace sizeof(a)/sizeof(a[0]) by std::size (C++17) 2021-01-31 17:35:16 +01:00
interfaces_tests.cpp test: Remove no longer needed MakeChain calls 2020-12-07 20:46:03 -05:00
key_io_tests.cpp test: signet network selection tests 2020-09-18 10:19:42 +09:00
key_tests.cpp Fix length of R check in test/key_tests.cpp:key_signature_tests 2020-11-25 18:07:37 +05:00
logging_tests.cpp
main.cpp
Makefile
mempool_tests.cpp
merkle_tests.cpp scripted-diff: Bump copyright headers 2020-12-31 09:45:41 +01:00
merkleblock_tests.cpp
miner_tests.cpp scripted-diff: Invoke CreateNewBlock with chainstate 2021-03-08 15:54:31 -05:00
multisig_tests.cpp
net_tests.cpp refactor: post Optional<> removal cleanups 2021-03-17 14:56:20 +08:00
netbase_tests.cpp net: allow CSubNet of non-IP networks 2021-01-10 15:51:15 +01:00
pmt_tests.cpp
policy_fee_tests.cpp
policyestimator_tests.cpp
pow_tests.cpp scripted-diff: Bump copyright headers 2020-12-31 09:45:41 +01:00
prevector_tests.cpp
raii_event_tests.cpp scripted-diff: Bump copyright headers 2020-12-31 09:45:41 +01:00
random_tests.cpp
README.md
ref_tests.cpp
reverselock_tests.cpp sync: Improve CheckLastCritical() 2020-12-10 20:46:29 +02:00
rpc_tests.cpp Merge #21035: Remove pointer cast in CRPCTable::dumpArgMap 2021-03-15 10:13:58 +01:00
sanity_tests.cpp compat: remove memcpy -> memmove backwards compatibility alias 2021-03-10 14:31:10 +08:00
scheduler_tests.cpp refactor: remove boost::thread_group usage 2021-01-29 15:39:44 +08:00
script_p2sh_tests.cpp Only relay Taproot spends if next block has it active 2020-10-30 15:52:19 -07:00
script_standard_tests.cpp Merge #20211: Use -Wswitch for TxoutType where possible 2021-02-11 11:48:12 +01:00
script_tests.cpp test: Replace ARRAYLEN with C++11 ranged for loop 2020-10-26 14:27:33 +01:00
scriptnum10.h
scriptnum_tests.cpp refactor: replace sizeof(a)/sizeof(a[0]) by std::size (C++17) 2021-01-31 17:35:16 +01:00
serialize_tests.cpp Treat CDataStream bytes as uint8_t 2020-11-23 21:19:50 +01:00
settings_tests.cpp refactor: Make HexStr take a span 2020-08-06 19:41:43 +02:00
sighash_tests.cpp refactor: replace sizeof(a)/sizeof(a[0]) by std::size (C++17) 2021-01-31 17:35:16 +01:00
sigopcount_tests.cpp Replace usage of GetScriptForWitness with GetScriptForDestination 2020-08-14 08:44:42 +12:00
skiplist_tests.cpp
sock_tests.cpp test: add a test to ensure RecvUntilTerminator() limit works 2021-03-16 11:00:57 +01:00
streams_tests.cpp Merge #20464: refactor: Treat CDataStream bytes as uint8_t 2021-02-01 15:17:28 +01:00
sync_tests.cpp refactor: remove straggling boost::mutex usage 2021-01-26 15:57:28 +08:00
system_tests.cpp configure: add --enable-external-signer 2021-02-21 16:27:10 +01:00
timedata_tests.cpp
torcontrol_tests.cpp
transaction_tests.cpp test: Replace accidentally placed bit-OR with logical-OR 2021-02-24 12:57:03 +02:00
txindex_tests.cpp
txrequest_tests.cpp Report and verify expirations 2020-10-12 12:14:53 -07:00
txvalidation_tests.cpp scripted-diff: Invoke ::AcceptToMemoryPool with chainstate 2021-02-18 14:49:06 -05:00
txvalidationcache_tests.cpp Merge #21202: [validation] Two small clang lock annotation improvements 2021-02-22 09:47:15 +01:00
uint256_tests.cpp uint256: Update constructors to c++11, make ONE static 2020-09-28 12:14:19 +10:00
util_tests.cpp Merge #21415: refactor: remove Optional & nullopt 2021-03-17 12:17:33 +01:00
util_threadnames_tests.cpp
validation_block_tests.cpp scripted-diff: Invoke CreateNewBlock with chainstate 2021-03-08 15:54:31 -05:00
validation_chainstate_tests.cpp sync: Use decltype(auto) return type for WITH_LOCK 2020-12-04 12:23:05 -05:00
validation_chainstatemanager_tests.cpp test: Add tests with maleated snapshot data 2021-02-12 07:53:40 -06:00
validation_flush_tests.cpp Pass mempool reference to chainstate constructor 2020-08-28 10:42:04 +02:00
validation_tests.cpp chainparams: add allowed assumeutxo values 2021-02-12 07:53:22 -06:00
validationinterface_tests.cpp
versionbits_tests.cpp tests: check never active versionbits 2021-03-03 14:14:40 +01:00

Unit tests

The sources in this directory are unit test cases. Boost includes a unit testing framework, and since Bitcoin Core already uses Boost, it makes sense to simply use this framework rather than require developers to configure some other framework (we want as few impediments to creating unit tests as possible).

The build system is set up to compile an executable called test_bitcoin that runs all of the unit tests. The main source file for the test library is found in util/setup_common.cpp.

Compiling/running unit tests

Unit tests will be automatically compiled if dependencies were met in ./configure and tests weren't explicitly disabled.

After configuring, they can be run with make check.

To run the unit tests manually, launch src/test/test_bitcoin. To recompile after a test file was modified, run make and then run the test again. If you modify a non-test file, use make -C src/test to recompile only what's needed to run the unit tests.

To add more unit tests, add BOOST_AUTO_TEST_CASE functions to the existing .cpp files in the test/ directory or add new .cpp files that implement new BOOST_AUTO_TEST_SUITE sections.

To run the GUI unit tests manually, launch src/qt/test/test_bitcoin-qt

To add more GUI unit tests, add them to the src/qt/test/ directory and the src/qt/test/test_main.cpp file.

Running individual tests

test_bitcoin has some built-in command-line arguments; for example, to run just the getarg_tests verbosely:

test_bitcoin --log_level=all --run_test=getarg_tests -- DEBUG_LOG_OUT

log_level controls the verbosity of the test framework, which logs when a test case is entered, for example. The DEBUG_LOG_OUT after the two dashes redirects the debug log, which would normally go to a file in the test datadir (BasicTestingSetup::m_path_root), to the standard terminal output.

... or to run just the doubledash test:

test_bitcoin --run_test=getarg_tests/doubledash

Run test_bitcoin --help for the full list.

Adding test cases

To add a new unit test file to our test suite you need to add the file to src/Makefile.test.include. The pattern is to create one test file for each class or source file for which you want to create unit tests. The file naming convention is <source_filename>_tests.cpp and such files should wrap their tests in a test suite called <source_filename>_tests. For an example of this pattern, see uint256_tests.cpp.

Logging and debugging in unit tests

make check will write to a log file foo_tests.cpp.log and display this file on failure. For running individual tests verbosely, refer to the section above.

To write to logs from unit tests you need to use specific message methods provided by Boost. The simplest is BOOST_TEST_MESSAGE.

For debugging you can launch the test_bitcoin executable with gdbor lldb and start debugging, just like you would with any other program:

gdb src/test/test_bitcoin