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Suhas Daftuar 6baa317b5f Fix minchainwork test for 0.15 backport il y a 3 ans
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test_framework qa: Remove never used return value of sync_with_ping il y a 3 ans
.gitignore Rename rpc-tests directory to functional il y a 4 ans
README.md [tests] don't override __init__() in individual tests il y a 3 ans
abandonconflict.py [tests] don't override __init__() in individual tests il y a 3 ans
assumevalid.py [tests] Check connectivity before sending in assumevalid.py il y a 3 ans
bip9-softforks.py [tests] don't override __init__() in individual tests il y a 3 ans
bip65-cltv-p2p.py [tests] don't override __init__() in individual tests il y a 3 ans
bip68-112-113-p2p.py [tests] don't override __init__() in individual tests il y a 3 ans
bip68-sequence.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
bipdersig-p2p.py [tests] don't override __init__() in individual tests il y a 3 ans
bitcoin_cli.py [tests] fixups from set_test_params() il y a 3 ans
blockchain.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
bumpfee.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
combine_logs.py [qa] combine_logs: Use ordered list for logfiles il y a 4 ans
combined_log_template.html Introduce combine_logs.py to combine log files from multiple bitcoinds. il y a 4 ans
create_cache.py [tests] don't override __init__() in individual tests il y a 3 ans
dbcrash.py [tests] fixup dbcrash interaction with add_nodes() il y a 3 ans
decodescript.py [tests] don't override __init__() in individual tests il y a 3 ans
disablewallet.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
disconnect_ban.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
example_test.py [tests] fixups from set_test_params() il y a 3 ans
forknotify.py [tests] don't override __init__() in individual tests il y a 3 ans
fundrawtransaction.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
getblocktemplate_longpoll.py [tests] Functional tests must explicitly set num_nodes il y a 3 ans
getchaintips.py [tests] Functional tests must explicitly set num_nodes il y a 3 ans
httpbasics.py [tests] don't override __init__() in individual tests il y a 3 ans
import-rescan.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
importmulti.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
importprunedfunds.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
invalidateblock.py [tests] don't override __init__() in individual tests il y a 3 ans
invalidblockrequest.py [tests] don't override __init__() in individual tests il y a 3 ans
invalidtxrequest.py [tests] don't override __init__() in individual tests il y a 3 ans
keypool-topup.py [tests] don't override __init__() in individual tests il y a 3 ans
keypool.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
listsinceblock.py Make listsinceblock refuse unknown block hash il y a 3 ans
listtransactions.py [tests] Functional tests must explicitly set num_nodes il y a 3 ans
maxuploadtarget.py [tests] don't override __init__() in individual tests il y a 3 ans
mempool_limit.py [tests] don't override __init__() in individual tests il y a 3 ans
mempool_packages.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
mempool_persist.py [tests] don't override __init__() in individual tests il y a 3 ans
mempool_reorg.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
mempool_resurrect_test.py [tests] don't override __init__() in individual tests il y a 3 ans
mempool_spendcoinbase.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
merkle_blocks.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
minchainwork.py Fix minchainwork test for 0.15 backport il y a 3 ans
mining.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
multi_rpc.py [tests] don't override __init__() in individual tests il y a 3 ans
multiwallet.py Avoid opening copied wallet databases simultaneously il y a 3 ans
net.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
nulldummy.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
p2p-acceptblock.py [qa] test that invalid blocks on an invalid chain get a disconnect il y a 3 ans
p2p-compactblocks.py [tests] don't override __init__() in individual tests il y a 3 ans
p2p-feefilter.py [tests] don't override __init__() in individual tests il y a 3 ans
p2p-fullblocktest.py [tests] don't override __init__() in individual tests il y a 3 ans
p2p-leaktests.py [tests] Make p2p-leaktests.py more robust il y a 3 ans
p2p-mempool.py [tests] don't override __init__() in individual tests il y a 3 ans
p2p-segwit.py qa: Fix bug introduced in p2p-segwit.py il y a 3 ans
p2p-timeouts.py [tests] don't override __init__() in individual tests il y a 3 ans
p2p-versionbits-warning.py [tests] don't override __init__() in individual tests il y a 3 ans
preciousblock.py [tests] don't override __init__() in individual tests il y a 3 ans
prioritise_transaction.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
proxy_test.py [tests] Functional tests must explicitly set num_nodes il y a 3 ans
pruning.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
rawtransactions.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
receivedby.py [tests] Functional tests must explicitly set num_nodes il y a 3 ans
reindex.py [tests] don't override __init__() in individual tests il y a 3 ans
replace-by-fee.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
resendwallettransactions.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
rest.py [tests] don't override __init__() in individual tests il y a 3 ans
rpcbind_test.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
rpcnamedargs.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
segwit.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
sendheaders.py qa: Fix race condition in sendheaders.py il y a 3 ans
signmessages.py Improve signmessages functional test il y a 3 ans
signrawtransactions.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
smartfees.py [tests] don't override __init__() in individual tests il y a 3 ans
test_runner.py Make p2p-acceptablock not an extended test il y a 3 ans
txn_clone.py [tests] Functional tests must explicitly set num_nodes il y a 3 ans
txn_doublespend.py [tests] Functional tests must explicitly set num_nodes il y a 3 ans
uptime.py [tests] don't override __init__() in individual tests il y a 3 ans
wallet-accounts.py [tests] don't override __init__() in individual tests il y a 3 ans
wallet-dump.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
wallet-encryption.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
wallet-hd.py [tests] don't override __init__() in individual tests il y a 3 ans
wallet.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
walletbackup.py Ensure backupwallet fails when attempting to backup to source file il y a 3 ans
zapwallettxes.py scripted-diff: rename assert_raises_jsonrpc to assert_raises_rpc error il y a 3 ans
zmq_test.py Tests for zmqpubrawtx and zmqpubrawblock il y a 3 ans

README.md

Functional tests

Writing Functional Tests

Example test

The example_test.py is a heavily commented example of a test case that uses both the RPC and P2P interfaces. If you are writing your first test, copy that file and modify to fit your needs.

Coverage

Running test_runner.py with the --coverage argument tracks which RPCs are called by the tests and prints a report of uncovered RPCs in the summary. This can be used (along with the --extended argument) to find out which RPCs we don’t have test cases for.

Style guidelines

  • Where possible, try to adhere to PEP-8 guidelines
  • Use a python linter like flake8 before submitting PRs to catch common style nits (eg trailing whitespace, unused imports, etc)
  • Avoid wildcard imports where possible
  • Use a module-level docstring to describe what the test is testing, and how it is testing it.
  • When subclassing the BitcoinTestFramwork, place overrides for the set_test_params(), add_options() and setup_xxxx() methods at the top of the subclass, then locally-defined helper methods, then the run_test() method.

General test-writing advice

  • Set self.num_nodes to the minimum number of nodes necessary for the test. Having additional unrequired nodes adds to the execution time of the test as well as memory/CPU/disk requirements (which is important when running tests in parallel or on Travis).
  • Avoid stop-starting the nodes multiple times during the test if possible. A stop-start takes several seconds, so doing it several times blows up the runtime of the test.
  • Set the self.setup_clean_chain variable in set_test_params() to control whether or not to use the cached data directories. The cached data directories contain a 200-block pre-mined blockchain and wallets for four nodes. Each node has 25 mature blocks (25x50=1250 BTC) in its wallet.
  • When calling RPCs with lots of arguments, consider using named keyword arguments instead of positional arguments to make the intent of the call clear to readers.

RPC and P2P definitions

Test writers may find it helpful to refer to the definitions for the RPC and P2P messages. These can be found in the following source files:

  • /src/rpc/* for RPCs
  • /src/wallet/rpc* for wallet RPCs
  • ProcessMessage() in /src/net_processing.cpp for parsing P2P messages

Using the P2P interface

  • mininode.py contains all the definitions for objects that pass over the network (CBlock, CTransaction, etc, along with the network-level wrappers for them, msg_block, msg_tx, etc).

  • P2P tests have two threads. One thread handles all network communication with the bitcoind(s) being tested (using python’s asyncore package); the other implements the test logic.

  • NodeConn is the class used to connect to a bitcoind. If you implement a callback class that derives from NodeConnCB and pass that to the NodeConn object, your code will receive the appropriate callbacks when events of interest arrive.

  • Call NetworkThread.start() after all NodeConn objects are created to start the networking thread. (Continue with the test logic in your existing thread.)

  • Can be used to write tests where specific P2P protocol behavior is tested. Examples tests are p2p-accept-block.py, p2p-compactblocks.py.

Comptool

  • Comptool is a Testing framework for writing tests that compare the block/tx acceptance behavior of a bitcoind against 1 or more other bitcoind instances. It should not be used to write static tests with known outcomes, since that type of test is easier to write and maintain using the standard BitcoinTestFramework.

  • Set the num_nodes variable (defined in ComparisonTestFramework) to start up 1 or more nodes. If using 1 node, then --testbinary can be used as a command line option to change the bitcoind binary used by the test. If using 2 or more nodes, then --refbinary can be optionally used to change the bitcoind that will be used on nodes 2 and up.

  • Implement a (generator) function called get_tests() which yields TestInstances. Each TestInstance consists of:

    • A list of [object, outcome, hash] entries
    • object is a CBlock, CTransaction, or CBlockHeader. CBlock’s and CTransaction’s are tested for acceptance. CBlockHeaders can be used so that the test runner can deliver complete headers-chains when requested from the bitcoind, to allow writing tests where blocks can be delivered out of order but still processed by headers-first bitcoind’s.
    • outcome is True, False, or None. If True or False, the tip is compared with the expected tip -- either the block passed in, or the hash specified as the optional 3rd entry. If None is specified, then the test will compare all the bitcoind’s being tested to see if they all agree on what the best tip is.
    • hash is the block hash of the tip to compare against. Optional to specify; if left out then the hash of the block passed in will be used as the expected tip. This allows for specifying an expected tip while testing the handling of either invalid blocks or blocks delivered out of order, which complete a longer chain.
    • sync_every_block: True/False. If False, then all blocks are inv’ed together, and the test runner waits until the node receives the last one, and tests only the last block for tip acceptance using the outcome and specified tip. If True, then each block is tested in sequence and synced (this is slower when processing many blocks).
    • sync_every_transaction: True/False. Analogous to sync_every_block, except if the outcome on the last tx is “None”, then the contents of the entire mempool are compared across all bitcoind connections. If True or False, then only the last tx’s acceptance is tested against the given outcome.
  • For examples of tests written in this framework, see invalidblockrequest.py and p2p-fullblocktest.py.

test-framework modules

test_framework/authproxy.py

Taken from the python-bitcoinrpc repository.

test_framework/test_framework.py

Base class for functional tests.

test_framework/util.py

Generally useful functions.

test_framework/mininode.py

Basic code to support P2P connectivity to a bitcoind.

test_framework/comptool.py

Framework for comparison-tool style, P2P tests.

test_framework/script.py

Utilities for manipulating transaction scripts (originally from python-bitcoinlib)

test_framework/blockstore.py

Implements disk-backed block and tx storage.

test_framework/key.py

Wrapper around OpenSSL EC_Key (originally from python-bitcoinlib)

test_framework/bignum.py

Helpers for script.py

test_framework/blocktools.py

Helper functions for creating blocks and transactions.