You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
485 lines
20 KiB
485 lines
20 KiB
#!/usr/bin/env python3 |
|
# Copyright (c) 2014-2016 The Bitcoin Core developers |
|
# Distributed under the MIT software license, see the accompanying |
|
# file COPYING or http://www.opensource.org/licenses/mit-license.php. |
|
"""Base class for RPC testing.""" |
|
|
|
from collections import deque |
|
from enum import Enum |
|
import logging |
|
import optparse |
|
import os |
|
import pdb |
|
import shutil |
|
import sys |
|
import tempfile |
|
import time |
|
import traceback |
|
|
|
from .authproxy import JSONRPCException |
|
from . import coverage |
|
from .test_node import TestNode |
|
from .util import ( |
|
MAX_NODES, |
|
PortSeed, |
|
assert_equal, |
|
check_json_precision, |
|
connect_nodes_bi, |
|
disconnect_nodes, |
|
initialize_datadir, |
|
log_filename, |
|
p2p_port, |
|
set_node_times, |
|
sync_blocks, |
|
sync_mempools, |
|
) |
|
|
|
class TestStatus(Enum): |
|
PASSED = 1 |
|
FAILED = 2 |
|
SKIPPED = 3 |
|
|
|
TEST_EXIT_PASSED = 0 |
|
TEST_EXIT_FAILED = 1 |
|
TEST_EXIT_SKIPPED = 77 |
|
|
|
class BitcoinTestFramework(): |
|
"""Base class for a bitcoin test script. |
|
|
|
Individual bitcoin test scripts should subclass this class and override the set_test_params() and run_test() methods. |
|
|
|
Individual tests can also override the following methods to customize the test setup: |
|
|
|
- add_options() |
|
- setup_chain() |
|
- setup_network() |
|
- setup_nodes() |
|
|
|
The __init__() and main() methods should not be overridden. |
|
|
|
This class also contains various public and private helper methods.""" |
|
|
|
def __init__(self): |
|
"""Sets test framework defaults. Do not override this method. Instead, override the set_test_params() method""" |
|
self.setup_clean_chain = False |
|
self.nodes = [] |
|
self.mocktime = 0 |
|
self.set_test_params() |
|
|
|
assert hasattr(self, "num_nodes"), "Test must set self.num_nodes in set_test_params()" |
|
|
|
def main(self): |
|
"""Main function. This should not be overridden by the subclass test scripts.""" |
|
|
|
parser = optparse.OptionParser(usage="%prog [options]") |
|
parser.add_option("--nocleanup", dest="nocleanup", default=False, action="store_true", |
|
help="Leave bitcoinds and test.* datadir on exit or error") |
|
parser.add_option("--noshutdown", dest="noshutdown", default=False, action="store_true", |
|
help="Don't stop bitcoinds after the test execution") |
|
parser.add_option("--srcdir", dest="srcdir", default=os.path.normpath(os.path.dirname(os.path.realpath(__file__)) + "/../../../src"), |
|
help="Source directory containing bitcoind/bitcoin-cli (default: %default)") |
|
parser.add_option("--cachedir", dest="cachedir", default=os.path.normpath(os.path.dirname(os.path.realpath(__file__)) + "/../../cache"), |
|
help="Directory for caching pregenerated datadirs") |
|
parser.add_option("--tmpdir", dest="tmpdir", help="Root directory for datadirs") |
|
parser.add_option("-l", "--loglevel", dest="loglevel", default="INFO", |
|
help="log events at this level and higher to the console. Can be set to DEBUG, INFO, WARNING, ERROR or CRITICAL. Passing --loglevel DEBUG will output all logs to console. Note that logs at all levels are always written to the test_framework.log file in the temporary test directory.") |
|
parser.add_option("--tracerpc", dest="trace_rpc", default=False, action="store_true", |
|
help="Print out all RPC calls as they are made") |
|
parser.add_option("--portseed", dest="port_seed", default=os.getpid(), type='int', |
|
help="The seed to use for assigning port numbers (default: current process id)") |
|
parser.add_option("--coveragedir", dest="coveragedir", |
|
help="Write tested RPC commands into this directory") |
|
parser.add_option("--configfile", dest="configfile", |
|
help="Location of the test framework config file") |
|
parser.add_option("--pdbonfailure", dest="pdbonfailure", default=False, action="store_true", |
|
help="Attach a python debugger if test fails") |
|
self.add_options(parser) |
|
(self.options, self.args) = parser.parse_args() |
|
|
|
PortSeed.n = self.options.port_seed |
|
|
|
os.environ['PATH'] = self.options.srcdir + ":" + self.options.srcdir + "/qt:" + os.environ['PATH'] |
|
|
|
check_json_precision() |
|
|
|
self.options.cachedir = os.path.abspath(self.options.cachedir) |
|
|
|
# Set up temp directory and start logging |
|
if self.options.tmpdir: |
|
self.options.tmpdir = os.path.abspath(self.options.tmpdir) |
|
os.makedirs(self.options.tmpdir, exist_ok=False) |
|
else: |
|
self.options.tmpdir = tempfile.mkdtemp(prefix="test") |
|
self._start_logging() |
|
|
|
success = TestStatus.FAILED |
|
|
|
try: |
|
self.setup_chain() |
|
self.setup_network() |
|
self.run_test() |
|
success = TestStatus.PASSED |
|
except JSONRPCException as e: |
|
self.log.exception("JSONRPC error") |
|
except SkipTest as e: |
|
self.log.warning("Test Skipped: %s" % e.message) |
|
success = TestStatus.SKIPPED |
|
except AssertionError as e: |
|
self.log.exception("Assertion failed") |
|
except KeyError as e: |
|
self.log.exception("Key error") |
|
except Exception as e: |
|
self.log.exception("Unexpected exception caught during testing") |
|
except KeyboardInterrupt as e: |
|
self.log.warning("Exiting after keyboard interrupt") |
|
|
|
if success == TestStatus.FAILED and self.options.pdbonfailure: |
|
print("Testcase failed. Attaching python debugger. Enter ? for help") |
|
pdb.set_trace() |
|
|
|
if not self.options.noshutdown: |
|
self.log.info("Stopping nodes") |
|
if self.nodes: |
|
self.stop_nodes() |
|
else: |
|
self.log.info("Note: bitcoinds were not stopped and may still be running") |
|
|
|
if not self.options.nocleanup and not self.options.noshutdown and success != TestStatus.FAILED: |
|
self.log.info("Cleaning up") |
|
shutil.rmtree(self.options.tmpdir) |
|
else: |
|
self.log.warning("Not cleaning up dir %s" % self.options.tmpdir) |
|
if os.getenv("PYTHON_DEBUG", ""): |
|
# Dump the end of the debug logs, to aid in debugging rare |
|
# travis failures. |
|
import glob |
|
filenames = [self.options.tmpdir + "/test_framework.log"] |
|
filenames += glob.glob(self.options.tmpdir + "/node*/regtest/debug.log") |
|
MAX_LINES_TO_PRINT = 1000 |
|
for fn in filenames: |
|
try: |
|
with open(fn, 'r') as f: |
|
print("From", fn, ":") |
|
print("".join(deque(f, MAX_LINES_TO_PRINT))) |
|
except OSError: |
|
print("Opening file %s failed." % fn) |
|
traceback.print_exc() |
|
|
|
if success == TestStatus.PASSED: |
|
self.log.info("Tests successful") |
|
sys.exit(TEST_EXIT_PASSED) |
|
elif success == TestStatus.SKIPPED: |
|
self.log.info("Test skipped") |
|
sys.exit(TEST_EXIT_SKIPPED) |
|
else: |
|
self.log.error("Test failed. Test logging available at %s/test_framework.log", self.options.tmpdir) |
|
logging.shutdown() |
|
sys.exit(TEST_EXIT_FAILED) |
|
|
|
# Methods to override in subclass test scripts. |
|
def set_test_params(self): |
|
"""Tests must this method to change default values for number of nodes, topology, etc""" |
|
raise NotImplementedError |
|
|
|
def add_options(self, parser): |
|
"""Override this method to add command-line options to the test""" |
|
pass |
|
|
|
def setup_chain(self): |
|
"""Override this method to customize blockchain setup""" |
|
self.log.info("Initializing test directory " + self.options.tmpdir) |
|
if self.setup_clean_chain: |
|
self._initialize_chain_clean() |
|
else: |
|
self._initialize_chain() |
|
|
|
def setup_network(self): |
|
"""Override this method to customize test network topology""" |
|
self.setup_nodes() |
|
|
|
# Connect the nodes as a "chain". This allows us |
|
# to split the network between nodes 1 and 2 to get |
|
# two halves that can work on competing chains. |
|
for i in range(self.num_nodes - 1): |
|
connect_nodes_bi(self.nodes, i, i + 1) |
|
self.sync_all() |
|
|
|
def setup_nodes(self): |
|
"""Override this method to customize test node setup""" |
|
extra_args = None |
|
if hasattr(self, "extra_args"): |
|
extra_args = self.extra_args |
|
self.add_nodes(self.num_nodes, extra_args) |
|
self.start_nodes() |
|
|
|
def run_test(self): |
|
"""Tests must override this method to define test logic""" |
|
raise NotImplementedError |
|
|
|
# Public helper methods. These can be accessed by the subclass test scripts. |
|
|
|
def add_nodes(self, num_nodes, extra_args=None, rpchost=None, timewait=None, binary=None): |
|
"""Instantiate TestNode objects""" |
|
|
|
if extra_args is None: |
|
extra_args = [[]] * num_nodes |
|
if binary is None: |
|
binary = [None] * num_nodes |
|
assert_equal(len(extra_args), num_nodes) |
|
assert_equal(len(binary), num_nodes) |
|
for i in range(num_nodes): |
|
self.nodes.append(TestNode(i, self.options.tmpdir, extra_args[i], rpchost, timewait=timewait, binary=binary[i], stderr=None, mocktime=self.mocktime, coverage_dir=self.options.coveragedir)) |
|
|
|
def start_node(self, i, extra_args=None, stderr=None): |
|
"""Start a bitcoind""" |
|
|
|
node = self.nodes[i] |
|
|
|
node.start(extra_args, stderr) |
|
node.wait_for_rpc_connection() |
|
|
|
if self.options.coveragedir is not None: |
|
coverage.write_all_rpc_commands(self.options.coveragedir, node.rpc) |
|
|
|
def start_nodes(self, extra_args=None): |
|
"""Start multiple bitcoinds""" |
|
|
|
if extra_args is None: |
|
extra_args = [None] * self.num_nodes |
|
assert_equal(len(extra_args), self.num_nodes) |
|
try: |
|
for i, node in enumerate(self.nodes): |
|
node.start(extra_args[i]) |
|
for node in self.nodes: |
|
node.wait_for_rpc_connection() |
|
except: |
|
# If one node failed to start, stop the others |
|
self.stop_nodes() |
|
raise |
|
|
|
if self.options.coveragedir is not None: |
|
for node in self.nodes: |
|
coverage.write_all_rpc_commands(self.options.coveragedir, node.rpc) |
|
|
|
def stop_node(self, i): |
|
"""Stop a bitcoind test node""" |
|
self.nodes[i].stop_node() |
|
self.nodes[i].wait_until_stopped() |
|
|
|
def stop_nodes(self): |
|
"""Stop multiple bitcoind test nodes""" |
|
for node in self.nodes: |
|
# Issue RPC to stop nodes |
|
node.stop_node() |
|
|
|
for node in self.nodes: |
|
# Wait for nodes to stop |
|
node.wait_until_stopped() |
|
|
|
def restart_node(self, i, extra_args=None): |
|
"""Stop and start a test node""" |
|
self.stop_node(i) |
|
self.start_node(i, extra_args) |
|
|
|
def assert_start_raises_init_error(self, i, extra_args=None, expected_msg=None): |
|
with tempfile.SpooledTemporaryFile(max_size=2**16) as log_stderr: |
|
try: |
|
self.start_node(i, extra_args, stderr=log_stderr) |
|
self.stop_node(i) |
|
except Exception as e: |
|
assert 'bitcoind exited' in str(e) # node must have shutdown |
|
self.nodes[i].running = False |
|
self.nodes[i].process = None |
|
if expected_msg is not None: |
|
log_stderr.seek(0) |
|
stderr = log_stderr.read().decode('utf-8') |
|
if expected_msg not in stderr: |
|
raise AssertionError("Expected error \"" + expected_msg + "\" not found in:\n" + stderr) |
|
else: |
|
if expected_msg is None: |
|
assert_msg = "bitcoind should have exited with an error" |
|
else: |
|
assert_msg = "bitcoind should have exited with expected error " + expected_msg |
|
raise AssertionError(assert_msg) |
|
|
|
def wait_for_node_exit(self, i, timeout): |
|
self.nodes[i].process.wait(timeout) |
|
|
|
def split_network(self): |
|
""" |
|
Split the network of four nodes into nodes 0/1 and 2/3. |
|
""" |
|
disconnect_nodes(self.nodes[1], 2) |
|
disconnect_nodes(self.nodes[2], 1) |
|
self.sync_all([self.nodes[:2], self.nodes[2:]]) |
|
|
|
def join_network(self): |
|
""" |
|
Join the (previously split) network halves together. |
|
""" |
|
connect_nodes_bi(self.nodes, 1, 2) |
|
self.sync_all() |
|
|
|
def sync_all(self, node_groups=None): |
|
if not node_groups: |
|
node_groups = [self.nodes] |
|
|
|
for group in node_groups: |
|
sync_blocks(group) |
|
sync_mempools(group) |
|
|
|
def enable_mocktime(self): |
|
"""Enable mocktime for the script. |
|
|
|
mocktime may be needed for scripts that use the cached version of the |
|
blockchain. If the cached version of the blockchain is used without |
|
mocktime then the mempools will not sync due to IBD. |
|
|
|
For backwared compatibility of the python scripts with previous |
|
versions of the cache, this helper function sets mocktime to Jan 1, |
|
2014 + (201 * 10 * 60)""" |
|
self.mocktime = 1388534400 + (201 * 10 * 60) |
|
|
|
def disable_mocktime(self): |
|
self.mocktime = 0 |
|
|
|
# Private helper methods. These should not be accessed by the subclass test scripts. |
|
|
|
def _start_logging(self): |
|
# Add logger and logging handlers |
|
self.log = logging.getLogger('TestFramework') |
|
self.log.setLevel(logging.DEBUG) |
|
# Create file handler to log all messages |
|
fh = logging.FileHandler(self.options.tmpdir + '/test_framework.log') |
|
fh.setLevel(logging.DEBUG) |
|
# Create console handler to log messages to stderr. By default this logs only error messages, but can be configured with --loglevel. |
|
ch = logging.StreamHandler(sys.stdout) |
|
# User can provide log level as a number or string (eg DEBUG). loglevel was caught as a string, so try to convert it to an int |
|
ll = int(self.options.loglevel) if self.options.loglevel.isdigit() else self.options.loglevel.upper() |
|
ch.setLevel(ll) |
|
# Format logs the same as bitcoind's debug.log with microprecision (so log files can be concatenated and sorted) |
|
formatter = logging.Formatter(fmt='%(asctime)s.%(msecs)03d000 %(name)s (%(levelname)s): %(message)s', datefmt='%Y-%m-%d %H:%M:%S') |
|
formatter.converter = time.gmtime |
|
fh.setFormatter(formatter) |
|
ch.setFormatter(formatter) |
|
# add the handlers to the logger |
|
self.log.addHandler(fh) |
|
self.log.addHandler(ch) |
|
|
|
if self.options.trace_rpc: |
|
rpc_logger = logging.getLogger("BitcoinRPC") |
|
rpc_logger.setLevel(logging.DEBUG) |
|
rpc_handler = logging.StreamHandler(sys.stdout) |
|
rpc_handler.setLevel(logging.DEBUG) |
|
rpc_logger.addHandler(rpc_handler) |
|
|
|
def _initialize_chain(self): |
|
"""Initialize a pre-mined blockchain for use by the test. |
|
|
|
Create a cache of a 200-block-long chain (with wallet) for MAX_NODES |
|
Afterward, create num_nodes copies from the cache.""" |
|
|
|
assert self.num_nodes <= MAX_NODES |
|
create_cache = False |
|
for i in range(MAX_NODES): |
|
if not os.path.isdir(os.path.join(self.options.cachedir, 'node' + str(i))): |
|
create_cache = True |
|
break |
|
|
|
if create_cache: |
|
self.log.debug("Creating data directories from cached datadir") |
|
|
|
# find and delete old cache directories if any exist |
|
for i in range(MAX_NODES): |
|
if os.path.isdir(os.path.join(self.options.cachedir, "node" + str(i))): |
|
shutil.rmtree(os.path.join(self.options.cachedir, "node" + str(i))) |
|
|
|
# Create cache directories, run bitcoinds: |
|
for i in range(MAX_NODES): |
|
datadir = initialize_datadir(self.options.cachedir, i) |
|
args = [os.getenv("BITCOIND", "bitcoind"), "-server", "-keypool=1", "-datadir=" + datadir, "-discover=0"] |
|
if i > 0: |
|
args.append("-connect=127.0.0.1:" + str(p2p_port(0))) |
|
self.nodes.append(TestNode(i, self.options.cachedir, extra_args=[], rpchost=None, timewait=None, binary=None, stderr=None, mocktime=self.mocktime, coverage_dir=None)) |
|
self.nodes[i].args = args |
|
self.start_node(i) |
|
|
|
# Wait for RPC connections to be ready |
|
for node in self.nodes: |
|
node.wait_for_rpc_connection() |
|
|
|
# Create a 200-block-long chain; each of the 4 first nodes |
|
# gets 25 mature blocks and 25 immature. |
|
# Note: To preserve compatibility with older versions of |
|
# initialize_chain, only 4 nodes will generate coins. |
|
# |
|
# blocks are created with timestamps 10 minutes apart |
|
# starting from 2010 minutes in the past |
|
self.enable_mocktime() |
|
block_time = self.mocktime - (201 * 10 * 60) |
|
for i in range(2): |
|
for peer in range(4): |
|
for j in range(25): |
|
set_node_times(self.nodes, block_time) |
|
self.nodes[peer].generate(1) |
|
block_time += 10 * 60 |
|
# Must sync before next peer starts generating blocks |
|
sync_blocks(self.nodes) |
|
|
|
# Shut them down, and clean up cache directories: |
|
self.stop_nodes() |
|
self.nodes = [] |
|
self.disable_mocktime() |
|
for i in range(MAX_NODES): |
|
os.remove(log_filename(self.options.cachedir, i, "debug.log")) |
|
os.remove(log_filename(self.options.cachedir, i, "db.log")) |
|
os.remove(log_filename(self.options.cachedir, i, "peers.dat")) |
|
os.remove(log_filename(self.options.cachedir, i, "fee_estimates.dat")) |
|
|
|
for i in range(self.num_nodes): |
|
from_dir = os.path.join(self.options.cachedir, "node" + str(i)) |
|
to_dir = os.path.join(self.options.tmpdir, "node" + str(i)) |
|
shutil.copytree(from_dir, to_dir) |
|
initialize_datadir(self.options.tmpdir, i) # Overwrite port/rpcport in bitcoin.conf |
|
|
|
def _initialize_chain_clean(self): |
|
"""Initialize empty blockchain for use by the test. |
|
|
|
Create an empty blockchain and num_nodes wallets. |
|
Useful if a test case wants complete control over initialization.""" |
|
for i in range(self.num_nodes): |
|
initialize_datadir(self.options.tmpdir, i) |
|
|
|
class ComparisonTestFramework(BitcoinTestFramework): |
|
"""Test framework for doing p2p comparison testing |
|
|
|
Sets up some bitcoind binaries: |
|
- 1 binary: test binary |
|
- 2 binaries: 1 test binary, 1 ref binary |
|
- n>2 binaries: 1 test binary, n-1 ref binaries""" |
|
|
|
def set_test_params(self): |
|
self.num_nodes = 2 |
|
self.setup_clean_chain = True |
|
|
|
def add_options(self, parser): |
|
parser.add_option("--testbinary", dest="testbinary", |
|
default=os.getenv("BITCOIND", "bitcoind"), |
|
help="bitcoind binary to test") |
|
parser.add_option("--refbinary", dest="refbinary", |
|
default=os.getenv("BITCOIND", "bitcoind"), |
|
help="bitcoind binary to use for reference nodes (if any)") |
|
|
|
def setup_network(self): |
|
extra_args = [['-whitelist=127.0.0.1']] * self.num_nodes |
|
if hasattr(self, "extra_args"): |
|
extra_args = self.extra_args |
|
self.add_nodes(self.num_nodes, extra_args, |
|
binary=[self.options.testbinary] + |
|
[self.options.refbinary] * (self.num_nodes - 1)) |
|
self.start_nodes() |
|
|
|
class SkipTest(Exception): |
|
"""This exception is raised to skip a test""" |
|
def __init__(self, message): |
|
self.message = message
|
|
|